/* ═══════════════════════════════════════════
   CONSULT READY — Design System
   Light theme · AMBOSS-quality spacing & type
   ═══════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
  /* Backgrounds */
  --bg-base:     #eef1f8;
  --bg-card:     #ffffff;
  --bg-elevated: #ffffff;
  --bg-sunken:   #f5f7fc;
  --bg-step:     #f0f3fb;

  /* Borders */
  --border-subtle:  rgba(15, 23, 42, 0.06);
  --border-default: rgba(15, 23, 42, 0.10);
  --border-strong:  rgba(15, 23, 42, 0.18);

  /* Text */
  --text-1: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;

  /* Teal accent */
  --accent:        #0d9488;
  --accent-dim:    rgba(13, 148, 136, 0.07);
  --accent-glow:   rgba(13, 148, 136, 0.12);
  --accent-border: rgba(13, 148, 136, 0.22);

  /* Alert */
  --alert:        #dc2626;
  --alert-dim:    rgba(220, 38, 38, 0.05);
  --alert-border: rgba(220, 38, 38, 0.20);
  --alert-text:   #991b1b;

  /* Shadows */
  --shadow-card:  0 1px 3px rgba(15, 23, 42, 0.06),
                  0 4px 12px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 0 0 2px rgba(13, 148, 136, 0.22),
                  0 6px 28px rgba(13, 148, 136, 0.16),
                  0 1px 4px  rgba(15, 23, 42, 0.06);
  --shadow-modal: 0 24px 64px rgba(15, 23, 42, 0.18),
                  0 4px 16px  rgba(15, 23, 42, 0.08);

  /* Spacing — 8px baseline, responsive via clamp */
  --space-1: clamp(0.375rem, 0.5vw,  0.5rem);
  --space-2: clamp(0.625rem, 0.75vw, 0.75rem);
  --space-3: clamp(0.875rem, 1vw,    1rem);
  --space-4: clamp(1.25rem,  1.5vw,  1.5rem);
  --space-5: clamp(1.75rem,  2vw,    2rem);
  --space-6: clamp(2rem,     2.5vw,  2.5rem);
  --space-7: clamp(2.25rem,  3vw,    3rem);
  --space-8: clamp(2.5rem,   4vw,    4rem);

  /* Section spacing */
  --section-sm: clamp(2.5rem, 5vw,  4.5rem);
  --section-md: clamp(3.5rem, 7vw,  6.5rem);

  /* Type scale — fluid */
  --font-scale: 1;
  --text-2xs: calc(clamp(0.625rem,  0.75vw,  0.6875rem) * var(--font-scale));
  --text-xs:  calc(clamp(0.6875rem, 0.875vw, 0.75rem)   * var(--font-scale));
  --text-sm:  calc(clamp(0.8125rem, 0.9375vw,0.875rem)  * var(--font-scale));
  --text-md:  calc(clamp(0.9375rem, 1vw,     1rem)      * var(--font-scale));
  --text-lg:  calc(clamp(1rem,      1.2vw,   1.125rem)  * var(--font-scale));
  --text-xl:  calc(clamp(1.125rem,  1.5vw,   1.375rem)  * var(--font-scale));
  --text-2xl: calc(clamp(1.5rem,    2vw,     1.875rem)  * var(--font-scale));
  --text-3xl: calc(clamp(1.75rem,   2.5vw,   2.25rem)   * var(--font-scale));
  --text-4xl: calc(clamp(2.25rem,   3.5vw,   3.25rem)   * var(--font-scale));

  /* Font stacks */
  --font-sans:    'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Cormorant Garamond', 'Palatino Linotype', 'Book Antiqua', Georgia, serif;

  /* Border radii */
  --radius-sm:   5px;
  --radius-md:   10px;
  --radius-lg:   18px;
  --radius-pill: 100vw;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 150ms;
  --duration-base: 200ms;
  --duration-slow: 300ms;
}

/* ─── Dark Theme ─── */
[data-theme="dark"] {
  --bg-base:     #0f1117;
  --bg-card:     #181d2a;
  --bg-elevated: #1e2435;
  --bg-sunken:   #13161f;
  --bg-step:     #1e2435;

  --border-subtle:  rgba(255, 255, 255, 0.05);
  --border-default: rgba(255, 255, 255, 0.09);
  --border-strong:  rgba(255, 255, 255, 0.16);

  --text-1: #f1f5f9;
  --text-2: #cbd5e1;
  --text-3: #64748b;

  --alert:        #f87171;
  --alert-dim:    rgba(248, 113, 113, 0.08);
  --alert-border: rgba(248, 113, 113, 0.25);
  --alert-text:   #fca5a5;

  --shadow-card:  0 1px 3px rgba(0, 0, 0, 0.3),
                  0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 0 0 2px rgba(13, 148, 136, 0.35),
                  0 6px 28px rgba(13, 148, 136, 0.22),
                  0 1px 4px  rgba(0, 0, 0, 0.3);
  --shadow-modal: 0 24px 64px rgba(0, 0, 0, 0.5),
                  0 4px 16px  rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .controls {
  background: rgba(15, 17, 23, 0.75);
}

[data-theme="dark"] body.is-scrolled .controls {
  background: rgba(15, 17, 23, 0.94);
  border-bottom-color: var(--border-default);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.2);
}



/* ─── Reset ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

button, a, .card, input, select, label, [role="button"] {
  touch-action: manipulation;
}

/* ─── Focus Rings ─── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
}

/* ─── Base ─── */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

::selection {
  background: rgba(13, 148, 136, 0.18);
  color: var(--text-1);
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: 1.6;
  background: var(--bg-base);
  color: var(--text-1);
}

/* antialiased smoothing helps on Retina; on 1x DPR it strips subpixel AA and makes text look soft */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* ─── Background Canvas ─── */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-glow {
  position: absolute;
  border-radius: 50%;
}

.bg-glow--purple {
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.10) 0%, transparent 70%);
  top: -18%;
  left: -12%;
  filter: blur(80px);
}

.bg-glow--blue {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.07) 0%, transparent 70%);
  top: 5%;
  right: -10%;
  filter: blur(100px);
}

.bg-glow--pink {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.05) 0%, transparent 70%);
  top: 45%;
  left: 20%;
  filter: blur(110px);
}

.bg-glow--teal {
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.06) 0%, transparent 70%);
  bottom: -10%;
  right: -5%;
  filter: blur(90px);
}

.bg-glow--violet {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
  bottom: 15%;
  left: -8%;
  filter: blur(120px);
}

.bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 300px 300px;
}

/* ─── Header ─── */
header {
  position: relative;
  z-index: 10;
  background: transparent;
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-4) 0;
}

.header-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 3rem);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.brand-title {
  font-family: var(--font-sans);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
}

.brand-med {
  color: var(--text-1);
}

.brand-axis {
  color: var(--accent);
  font-style: italic;
}

.brand-subtitle {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--text-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: right;
}

/* ─── Controls / Sticky Bar ─── */
.controls {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(238, 241, 248, 0.75);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  transition: background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

body.is-scrolled .controls {
  background: rgba(238, 241, 248, 0.92);
  border-bottom-color: var(--border-default);
  box-shadow: 0 1px 12px rgba(15, 23, 42, 0.06);
}

.controls-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: var(--space-3) clamp(1rem, 5vw, 3rem);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}


/* ─── Overlay shared utilities ─── */
@keyframes overlay-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes overlay-box-in {
  from { opacity: 0; transform: translateY(6px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)   scale(1);    }
}

.overlay-close {
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 0.875rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  transition: color var(--duration-fast) var(--ease-out);
}

.overlay-close:hover { color: var(--text-1); }

/* ─── Shortcuts Overlay ─── */
.shortcuts-overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 1rem;
  animation: overlay-fade-in 160ms var(--ease-out) both;
}

.shortcuts-overlay[hidden] { display: none; }

.shortcuts-box {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 340px;
  animation: overlay-box-in 160ms var(--ease-out) both;
}

.shortcuts-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.shortcuts-title {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-1);
}

.shortcuts-list {
  padding: var(--space-3) var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.shortcuts-group-label {
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: var(--space-3) 0 var(--space-2);
}

.shortcuts-group-label:first-child { margin-top: 0; }

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0.3rem 0;
}

.shortcut-row span:last-child {
  font-size: var(--text-sm);
  color: var(--text-2);
}

.shortcut-pair {
  display: flex;
  gap: 0.25rem;
}

/* ─── Changelog Button ─── */
.changelog-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2rem;
  padding: 0 0.625rem;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-3);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  white-space: nowrap;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out);
}

.changelog-btn:hover {
  border-color: var(--accent-border);
  color: var(--accent);
}

/* ─── Changelog Overlay ─── */
.changelog-overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 1rem;
  animation: overlay-fade-in 160ms var(--ease-out) both;
}

.changelog-overlay[hidden] { display: none; }

.changelog-box {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  animation: overlay-box-in 160ms var(--ease-out) both;
}

.changelog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.changelog-title {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-1);
}

.changelog-search-wrap {
  padding: var(--space-2) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.changelog-search-input {
  width: 100%;
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text-1);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out);
  box-sizing: border-box;
}

.changelog-search-input::placeholder {
  color: var(--text-3);
}

.changelog-search-input:focus {
  border-color: var(--accent);
}

.changelog-empty {
  font-size: var(--text-sm);
  color: var(--text-3);
  text-align: center;
  padding: var(--space-6) 0;
  margin: 0;
}

.changelog-list {
  overflow-y: auto;
  padding: var(--space-3) var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.changelog-entry {
  border-bottom: 1px solid var(--border-subtle);
}

.changelog-entry:last-child {
  border-bottom: none;
}

.changelog-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  min-height: 2.5rem;
}

.changelog-date {
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  flex-shrink: 0;
  min-width: 6.5rem;
}

.changelog-card-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-1);
  flex: 1;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
}

.changelog-card-title:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.changelog-expand {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}

.changelog-expand:hover {
  color: var(--text-1);
  background: var(--bg-hover, rgba(99, 102, 241, 0.06));
}

.changelog-expand svg {
  transition: transform 220ms var(--ease-out);
}

.changelog-entry.is-open .changelog-expand svg {
  transform: rotate(90deg);
}

.changelog-note-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 220ms var(--ease-out);
}

.changelog-entry.is-open .changelog-note-wrap {
  grid-template-rows: 1fr;
}

.changelog-note-inner {
  overflow: hidden;
}

.changelog-note {
  font-size: var(--text-xs);
  color: var(--text-3);
  margin: 0;
  line-height: 1.6;
  padding-bottom: var(--space-3);
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  padding: 0.2em 0.5em;
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-bottom-width: 2px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-2);
  white-space: nowrap;
}

.search-mode-toggle {
  position: relative;
  display: flex;
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 2px;
  gap: 2px;
  flex-shrink: 0;
}

.mode-indicator {
  position: absolute;
  top: 2px;
  left: 2px;
  height: calc(100% - 4px);
  background: var(--bg-card);
  border-radius: calc(var(--radius-md) - 3px);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.10);
  transition: transform var(--duration-base) var(--ease-out),
              width     var(--duration-base) var(--ease-out);
  pointer-events: none;
}

.mode-btn {
  position: relative;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-3);
  background: transparent;
  border: none;
  border-radius: calc(var(--radius-md) - 3px);
  padding: 0.3em 0.75em;
  cursor: pointer;
  transition: color var(--duration-base) var(--ease-out);
  white-space: nowrap;
  z-index: 1;
}

.mode-btn--active {
  color: var(--text-1);
}

.content-match-tabs {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-2);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-2);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--accent-border);
  color: var(--accent);
}

.font-size-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-2);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out);
  flex-shrink: 0;
}

.font-size-btn:hover {
  border-color: var(--accent-border);
  color: var(--accent);
}

.font-size-btn[data-scale="0"] { font-size: 0.65rem; }
.font-size-btn[data-scale="2"] { font-size: var(--text-md); }

.theme-icon {
  width: 14px;
  height: 14px;
}



/* Search */
.search-wrap {
  position: relative;
  flex: 1;
  max-width: 380px;
}

.search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--text-3);
  pointer-events: none;
  flex-shrink: 0;
}

#search-input {
  width: 100%;
  padding: 0.55rem 0.875rem 0.55rem 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  color: var(--text-1);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 400;
  outline: none;
  transition: border-color var(--duration-base) var(--ease-out),
              box-shadow   var(--duration-base) var(--ease-out);
}

#search-input::-webkit-search-cancel-button { display: none; }
#search-input::placeholder { color: var(--text-3); }

.search-clear {
  position: absolute;
  right: 0.625rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 0.3rem;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.7rem;
  line-height: 1;
  display: none;
  align-items: center;
  justify-content: center;
  transition: color var(--duration-fast) var(--ease-out);
}
.search-clear:hover { color: var(--text-1); }
.search-wrap.has-value .search-clear { display: flex; }
.search-wrap.has-value #search-input { padding-right: 2rem; }

#search-input:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ─── Main / Sections ─── */
main {
  position: relative;
  z-index: 10;
  max-width: 80rem;
  margin: 0 auto;
  padding: var(--space-6) clamp(1rem, 5vw, 3rem) var(--section-md);
}

.home-section {
  margin-bottom: var(--space-8);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-2xs);
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: var(--space-4);
  white-space: nowrap;
}

.section-heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-default);
}

.section-count {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-3);
  background: var(--bg-step);
  border: 1px solid var(--border-default);
  border-radius: 99px;
  padding: 1px 8px;
  margin-left: 6px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

#search-results {
  margin-bottom: var(--space-8);
}

.results-count {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: var(--space-4);
}

/* ─── System Strips ─── */
.system-strip {
  margin-bottom: var(--space-7);
}

.strip-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-subtle);
}

.strip-name {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.01em;
}

.strip-count {
  font-family: var(--font-sans);
  font-size: var(--text-2xs);
  font-weight: 700;
  color: var(--text-3);
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  padding: 0.15em 0.6em;
}

.strip-track {
  display: flex;
  gap: clamp(0.75rem, 1.5vw, 1rem);
  overflow-x: auto;
  padding-bottom: var(--space-3);
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

.strip-track::-webkit-scrollbar        { height: 3px; }
.strip-track::-webkit-scrollbar-track  { background: transparent; }
.strip-track::-webkit-scrollbar-thumb  { background: var(--border-strong); border-radius: 2px; }

.strip-track .card {
  flex: 0 0 clamp(220px, 22vw, 272px);
  min-width: 0;
}

/* ─── Sidebar Browse Layout ─── */
.browse-layout {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}

.system-sidebar {
  width: 190px;
  flex-shrink: 0;
  position: sticky;
  top: 5rem;
  max-height: calc(100vh - 5rem);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

.system-sidebar::-webkit-scrollbar       { width: 3px; }
.system-sidebar::-webkit-scrollbar-track { background: transparent; }
.system-sidebar::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }

.browse-main {
  flex: 1;
  min-width: 0;
}

.sidebar-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: none;
  border: none;
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  cursor: pointer;
  text-align: left;
  transition: background var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.sidebar-item:hover {
  background: var(--accent-dim);
  border-left-color: var(--accent-border);
}

.sidebar-item.is-active {
  background: rgba(13, 148, 136, 0.10);
  border-left-color: var(--accent);
}

.sidebar-name {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-2);
  transition: color     var(--duration-fast) var(--ease-out),
              font-weight var(--duration-fast) var(--ease-out);
}

.sidebar-item:hover .sidebar-name {
  color: var(--accent);
}

.sidebar-item.is-active .sidebar-name {
  color: var(--accent);
  font-weight: 700;
}

.sidebar-count {
  font-family: var(--font-sans);
  font-size: var(--text-2xs);
  font-weight: 600;
  color: var(--text-3);
  flex-shrink: 0;
}

.sidebar-item.is-active .sidebar-count {
  color: var(--accent);
}

.browse-heading {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.browse-system-name {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-1);
}

@media (max-width: 1024px) {
  .browse-layout {
    flex-direction: column;
    gap: var(--space-4);
    align-items: stretch;
  }

  .system-sidebar {
    width: 100%;
    position: static;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: visible;
    scrollbar-width: none;
    gap: var(--space-1);
    padding-bottom: 2px;
  }

  .system-sidebar::-webkit-scrollbar { display: none; }

  .sidebar-item {
    width: auto;
    flex-shrink: 0;
    border-left: none;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-default);
    padding: 0.25rem 0.75rem;
  }

  .sidebar-item.is-active {
    border-color: var(--accent);
    background: rgba(13, 148, 136, 0.08);
  }

  .sidebar-count { display: none; }
}

@media (max-width: 1024px) {
  .system-sidebar { display: none; }
  #systems-section .section-heading { display: none; }
}

/* ─── Floating System Button ─── */
.sys-float-btn {
  position: fixed;
  bottom: max(1.25rem, calc(env(safe-area-inset-bottom) + 0.75rem));
  left: 1rem;
  z-index: 400;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 16px rgba(13, 148, 136, 0.35), 0 1px 4px rgba(0, 0, 0, 0.08);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  transition: opacity 0.2s var(--ease-out), transform 0.2s var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  touch-action: manipulation;
  animation: sys-float-in 0.22s var(--ease-out) both;
}

.sys-float-btn:hover {
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.45), 0 1px 4px rgba(0, 0, 0, 0.10);
}

.sys-float-btn:active {
  transform: scale(0.97);
}

.sys-float-btn svg {
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.75);
}

@keyframes sys-float-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (min-width: 1025px) {
  .sys-float-btn { display: none !important; }
}

/* ─── System Picker Bottom Sheet ─── */
.sys-sheet-overlay {
  position: fixed;
  inset: 0;
  z-index: 450;
  background: rgba(15, 23, 42, 0.45);
  opacity: 0;
  transition: opacity 0.25s var(--ease-out);
}

.sys-sheet-overlay.active {
  opacity: 1;
}

.sys-sheet {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-radius: 20px 20px 0 0;
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
  max-height: 72vh;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.28s var(--ease-out), opacity 0.28s var(--ease-out);
  will-change: transform, opacity;
}

.sys-sheet-overlay.active .sys-sheet {
  transform: translateY(0);
}

.sys-sheet.dragging {
  transition: none;
}

.sys-sheet.dismissing {
  transition: transform 0.22s cubic-bezier(0.4, 0, 1, 1),
              opacity   0.22s cubic-bezier(0.4, 0, 1, 1);
}

.sys-sheet-handle {
  width: 36px;
  height: 4px;
  background: var(--border-strong);
  border-radius: 2px;
  margin: 0.75rem auto 0.5rem;
  flex-shrink: 0;
}

.sys-sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.sys-sheet-title {
  font-family: var(--font-sans);
  font-size: var(--text-2xs);
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.sys-sheet-close {
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.25rem 0.25rem 0.25rem 1rem;
  touch-action: manipulation;
}

.sys-sheet-list {
  overflow-y: auto;
  flex: 1;
  padding: 0.5rem 0;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.sys-sheet-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.8rem 1.25rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  touch-action: manipulation;
  transition: background var(--duration-fast) var(--ease-out);
}

.sys-sheet-item:active {
  background: var(--accent-dim);
}

.sys-sheet-item.is-active {
  background: rgba(13, 148, 136, 0.08);
}

.sys-sheet-name {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-2);
}

.sys-sheet-item.is-active .sys-sheet-name {
  color: var(--accent);
  font-weight: 700;
}

.sys-sheet-count {
  font-family: var(--font-sans);
  font-size: var(--text-2xs);
  font-weight: 600;
  color: var(--text-3);
}

.sys-sheet-item.is-active .sys-sheet-count {
  color: var(--accent);
}

/* ─── System Accordion (kept for reference) ─── */
.system-row {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  overflow: hidden;
  background: var(--bg-card);
}

.system-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--duration-fast) var(--ease-out);
}

.system-row-header:hover {
  background: var(--accent-dim);
}

.system-row-header:hover .system-name {
  color: var(--accent);
}

.system-name {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-1);
  transition: color var(--duration-fast) var(--ease-out);
}

.system-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.system-count {
  font-family: var(--font-sans);
  font-size: var(--text-2xs);
  font-weight: 700;
  color: var(--text-3);
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  padding: 0.15em 0.6em;
}

.system-chevron {
  font-size: 1.1rem;
  color: var(--text-3);
  transition: transform 250ms var(--ease-out);
  display: inline-block;
  line-height: 1;
}

.system-row.open .system-chevron {
  transform: rotate(90deg);
}

.system-cards {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms var(--ease-out);
}


.system-cards .card-grid {
  padding: var(--space-4);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: clamp(0.75rem, 1.5vw, 1rem);
}

/* ─── View transitions ─── */
@keyframes view-enter {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0);   }
}
.view-enter { animation: view-enter 160ms var(--ease-out) both; }

/* ─── Card entrance animation ─── */
@keyframes card-enter {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0);   }
}

.is-entering .card              { animation: card-enter 220ms var(--ease-out) both; }
.is-entering .card:nth-child(2) { animation-delay:  25ms; }
.is-entering .card:nth-child(3) { animation-delay:  50ms; }
.is-entering .card:nth-child(4) { animation-delay:  75ms; }
.is-entering .card:nth-child(5) { animation-delay: 100ms; }
.is-entering .card:nth-child(6) { animation-delay: 125ms; }
.is-entering .card:nth-child(7) { animation-delay: 150ms; }
.is-entering .card:nth-child(n+8) { animation-delay: 175ms; }

@media (prefers-reduced-motion: reduce) {
  .is-entering .card { animation: none; }
}

/* ─── Card ─── */
.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  cursor: pointer;
  user-select: none;
  outline: none;
  display: flex;
  flex-direction: column;
  transition: transform      var(--duration-slow) var(--ease-out),
              box-shadow     var(--duration-slow) var(--ease-out),
              border-color   var(--duration-base) var(--ease-out);
  box-shadow: var(--shadow-card);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(13, 148, 136, 0.50);
}

.card:active {
  transform: scale(0.985) translateY(0);
  transition-duration: 80ms;
  box-shadow: var(--shadow-card);
  border-color: rgba(13, 148, 136, 0.40);
}

.card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.card-top {
  position: absolute;
  top: var(--space-4);
  right: var(--space-5);
}

.card-pin {
  background: none;
  border: none;
  padding: 2px;
  color: var(--text-3);
  cursor: pointer;
  opacity: 0;
  line-height: 0;
  transition: opacity var(--duration-fast) var(--ease-out),
              color   var(--duration-fast) var(--ease-out);
}

.card-pin svg { width: 13px; height: 13px; }
.card:hover .card-pin { opacity: 1; }
.card-pin:hover { color: var(--accent); }
.card-pin.is-pinned { opacity: 1; color: var(--accent); }
.card-pin.is-pinned path { fill: currentColor; }

@media (max-width: 600px) {
  .card-pin { opacity: 0.6; }
}

.nice-badge {
  font-size: var(--text-2xs);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(13, 148, 136, 0.08);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  padding: 0.2em 0.6em;
  text-decoration: none;
}

.card-arrow {
  color: var(--border-strong);
  font-size: 1rem;
  line-height: 1;
  font-weight: 300;
  transition: color       var(--duration-base) var(--ease-out),
              transform   var(--duration-base) var(--ease-out);
}

.card:hover .card-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.card-subtitle {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.5;
  margin-bottom: var(--space-3);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-subtitle::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 1.4em;
  background: linear-gradient(to bottom, transparent, var(--bg-card));
  pointer-events: none;
}

.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-3);
}

.system-chip {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(13, 148, 136, 0.08);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  padding: 0.25em 0.65em;
}

/* No results */
.no-results {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: 4rem 1rem;
  text-align: center;
}

.no-results-title {
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--text-2);
  letter-spacing: 0.01em;
}

.no-results-body {
  font-size: var(--text-sm);
  color: var(--text-3);
  max-width: 30ch;
  line-height: 1.6;
}

/* ─── Modal Overlay ─── */
.modal-overlay {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.35);
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 3vw, 2rem);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease, visibility 0s 180ms;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  backdrop-filter: blur(10px) saturate(75%);
  -webkit-backdrop-filter: blur(10px) saturate(75%);
  transition: opacity 180ms ease;
}

/* ─── Modal Box ─── */
.modal-box {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modal-in var(--duration-slow) var(--ease-out) both;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes modal-out {
  from { opacity: 1; transform: translateY(0)  scale(1);    }
  to   { opacity: 0; transform: translateY(8px) scale(0.97); }
}

.modal-box.closing { pointer-events: none; }

@media (min-width: 601px) {
  .modal-box.closing { animation: modal-out 160ms ease-in both; }
}

/* ─── Modal Header ─── */
.modal-header {
  padding: var(--space-5) var(--space-6) var(--space-2);
  padding-right: calc(var(--space-6) + 4.5rem);
  border-bottom: 1px solid var(--border-subtle);
  background: transparent;
  flex-shrink: 0;
}

.modal-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  opacity: 0.75;
}

.modal-meta-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.modal-nice-badge {
  font-size: var(--text-2xs);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--accent);
  color: #ffffff;
  border-radius: var(--radius-sm);
  padding: 0.25em 0.65em;
  text-decoration: none;
  transition: opacity 0.15s;
}

.modal-nice-badge:hover { opacity: 0.82; }

.modal-updated {
  font-size: var(--text-xs);
  font-weight: 300;
  color: var(--text-3);
}

.modal-system-chip {
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-3);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 0.2em 0.6em;
}

.modal-drag-handle {
  display: none;
}

.modal-actions {
  position: absolute;
  top: var(--space-5);
  right: var(--space-6);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.modal-fav-btn {
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-3);
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out);
}

.modal-fav-btn:hover { border-color: var(--accent-border); color: var(--accent); }
.modal-fav-btn.is-fav { color: var(--accent); border-color: var(--accent-border); }

.modal-copy-btn {
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-3);
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out);
}
.modal-copy-btn:hover { border-color: var(--accent-border); color: var(--accent); }

.modal-find-btn {
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-3);
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out);
}

.modal-find-btn svg { width: 13px; height: 13px; }
.modal-find-btn:hover  { border-color: var(--accent-border); color: var(--accent); }
.modal-find-btn.active { border-color: var(--accent-border); color: var(--accent); background: var(--accent-dim); }

.modal-find-bar[hidden] { display: none; }

.modal-find-bar {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-sunken);
  flex-shrink: 0;
}

.find-bar-icon {
  width: 13px;
  height: 13px;
  color: var(--text-3);
  flex-shrink: 0;
}

.find-input {
  flex: 1;
  min-width: 0;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text-1);
  background: transparent;
  border: none;
  outline: none;
}

.find-input::placeholder { color: var(--text-3); }

.find-count {
  font-size: var(--text-xs);
  color: var(--text-3);
  white-space: nowrap;
  min-width: 4rem;
  text-align: right;
}

.find-nav-btn {
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  width: 1.6rem;
  height: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out);
}

.find-nav-btn svg { width: 10px; height: 10px; }
.find-nav-btn:hover { border-color: var(--accent-border); color: var(--accent); }

.find-close-btn {
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0 0.2rem;
  line-height: 1;
  transition: color var(--duration-fast) var(--ease-out);
}

.find-close-btn:hover { color: var(--text-1); }

.find-hl {
  background: rgba(13, 148, 136, 0.2);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}

.find-hl--active {
  background: rgba(13, 148, 136, 0.5);
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.print-section-label { display: none; }

.modal-close {
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-2);
  font-size: 0.875rem;
  line-height: 1;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out),
              background   var(--duration-fast) var(--ease-out);
}

.modal-close:hover {
  border-color: var(--border-strong);
  color: var(--text-1);
  background: var(--bg-sunken);
}

#modal-title {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--text-1);
  line-height: 1.3;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-2);
}

/* ─── Modal Tabs ─── */
.modal-tabs {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  gap: 0.35rem;
  padding: var(--space-2) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  background: transparent;
  flex-shrink: 0;
  -webkit-mask-image: linear-gradient(to right, transparent, black 1.25rem, black calc(100% - 1.25rem), transparent);
  mask-image: linear-gradient(to right, transparent, black 1.25rem, black calc(100% - 1.25rem), transparent);
}

.modal-tabs::-webkit-scrollbar { display: none; }

.modal-tab {
  padding: 0.35rem 0.875rem;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  color: var(--text-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out),
              background   var(--duration-fast) var(--ease-out);
}

.modal-tab:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-dim);
}

.modal-tab.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

/* ─── Modal Content ─── */
.modal-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5) var(--space-6);
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
  overscroll-behavior: contain;
  -webkit-touch-callout: none;
}

.modal-content::-webkit-scrollbar { width: 4px; }
.modal-content::-webkit-scrollbar-track { background: transparent; }
.modal-content::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 4px;
}

.tab-panel { display: none; }
.tab-panel.active {
  display: block;
  animation: tab-fade-in 130ms var(--ease-out) both;
}

.tab-panel.active.tab-dir-forward {
  animation: tab-enter-from-right 180ms ease-out both;
}

.tab-panel.active.tab-dir-back {
  animation: tab-enter-from-left 180ms ease-out both;
}

@keyframes tab-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0);   }
}

@keyframes tab-enter-from-right {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0);    }
}

@keyframes tab-enter-from-left {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0);     }
}

/* ─── Section Jump Navigation ─── */
.section-jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-subtle);
}

.jump-link {
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-pill);
  padding: 3px 11px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
  line-height: 1.8;
}

.jump-link:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ─── Tab Content Typography ─── */
.tab-panel h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-1);
  margin: var(--space-5) 0 var(--space-3);
}

.tab-panel h4::before {
  content: '';
  display: inline-block;
  width: var(--text-xs);
  height: var(--text-xs);
  background: var(--accent);
  border-radius: 1px;
  flex-shrink: 0;
}

.tab-panel h4:first-child { margin-top: 0; }

.tab-panel p {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-1);
  line-height: 1.65;
  margin: var(--space-2) 0;
}

.tab-panel ul,
.tab-panel ol {
  font-size: var(--text-sm);
  padding-left: 1.25rem;
  margin: var(--space-3) 0;
  color: var(--text-1);
}

.tab-panel li {
  line-height: 1.65;
  margin: 0.45rem 0;
  color: var(--text-1);
}

.tab-panel ul ul { margin: 0.2rem 0; }

.tab-panel strong {
  font-weight: 700;
  color: var(--text-1);
}

/* ─── Tables ─── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-3) 0 var(--space-4);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
}

.tab-panel table,
.info-popup-body table {
  width: 100%;
  min-width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  margin: 0;
  border: none;
  border-radius: 0;
  overflow: visible;
}

.tab-panel th,
.tab-panel td,
.info-popup-body th,
.info-popup-body td {
  min-width: 90px;
}

.tab-panel th,
.info-popup-body th {
  background: rgba(13, 148, 136, 0.06);
  color: var(--text-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.625rem 0.875rem;
  text-align: left;
  border-bottom: 1px solid rgba(13, 148, 136, 0.15);
}

/* thead is pinned via JS translateY scroll offset — needs relative + z-index to paint above tbody */
.info-popup-body thead {
  position: relative;
  z-index: 2;
}

.info-popup-body th {
  background: var(--bg-card);
  background: color-mix(in srgb, var(--accent) 6%, var(--bg-card));
}

.tab-panel td,
.info-popup-body td {
  padding: 0.65rem 0.875rem;
  color: var(--text-1);
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
  line-height: 1.5;
}

.tab-panel tr:last-child td,
.info-popup-body tr:last-child td { border-bottom: none; }

.tab-panel tr:nth-child(even) td,
.info-popup-body tr:nth-child(even) td {
  background: rgba(15, 23, 42, 0.025);
}

/* ─── Alert Box ─── */
.alert-box {
  background: var(--alert-dim);
  border-left: 3px solid var(--alert);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-4);
  margin: var(--space-3) 0 var(--space-4);
}

.alert-box p,
.alert-box ul,
.alert-box li { color: var(--alert-text); }

.alert-box strong { color: var(--alert); }

/* ─── Step Blocks ─── */
.step-block {
  background: var(--bg-step);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-3) 0;
}

.step-header {
  font-size: var(--text-sm) !important;
  font-weight: 900 !important;
  letter-spacing: 0.03em !important;
  color: var(--accent) !important;
  text-transform: none !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 0 var(--space-3) !important;
}

.alert-step {
  background: rgba(220, 38, 38, 0.04);
  border-color: var(--alert-border);
}

.alert-step .step-header { color: var(--alert) !important; }

/* ─── Callouts ─── */
.callout {
  color: var(--accent) !important;
  font-style: italic;
}

.alert-inline {
  color: var(--alert) !important;
  font-weight: 700;
}

/* ─── Wells Score Calculator ─── */
.wells-item {
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
}

.wells-item:hover td {
  background: var(--accent-dim) !important;
}

.wells-item.selected td {
  background: var(--accent-glow) !important;
  color: var(--text-1);
}

.wells-item.selected .wells-pts {
  color: var(--accent);
  font-weight: 700;
}

.wells-item td:first-child::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--border-strong);
  border-radius: 3px;
  margin-right: 0.5em;
  vertical-align: middle;
  transition: background 0.15s ease, border-color 0.15s ease;
  flex-shrink: 0;
}

.wells-item.selected td:first-child::before {
  background: var(--accent);
  border-color: var(--accent);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4l3 3 5-6' stroke='white' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 9px;
}

.wells-result {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  flex-wrap: wrap;
}

.wells-score-label {
  color: var(--text-2);
  font-weight: 600;
}

.wells-score-value {
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--accent);
  min-width: 2ch;
  text-align: center;
}

.wells-risk {
  color: var(--text-2);
  font-style: italic;
  margin-left: auto;
  font-size: var(--text-xs);
}

.wells-risk.risk-high {
  color: var(--alert-text);
  font-weight: 700;
  font-style: normal;
}

.wells-risk.risk-low {
  color: var(--accent);
  font-weight: 700;
  font-style: normal;
}

/* ─── Collapsible calculator disclosure ─── */
.calc-expand {
  margin: var(--space-5) 0 var(--space-3);
}

.calc-expand > summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  cursor: pointer;
  list-style: none;
  user-select: none;
  background: var(--accent-dim);
  border: 1px solid rgba(13, 148, 136, 0.25);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  transition: background 0.15s, border-color 0.15s;
}

.calc-expand > summary::-webkit-details-marker { display: none; }
.calc-expand > summary::marker { display: none; }

.calc-expand > summary:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  border-left-color: var(--accent);
}

.calc-expand > summary::after {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg) translateY(1px);
  margin-left: auto;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.calc-expand[open] > summary::after {
  transform: rotate(45deg) translateY(-2px);
}

.calc-expand-body {
  padding-top: var(--space-3);
}

.calc-expand .ckd-calc,
.calc-expand .crcl-calc {
  background: none;
  border: none;
  border-radius: 0;
  padding: 0;
  margin-bottom: 0;
}

.centor-age-header td {
  background: var(--bg-sunken);
  color: var(--text-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
  border-top: 1px solid var(--border-default);
  cursor: default;
}

.pathway-step {
  border-left: 3px solid var(--border-default);
  padding: var(--space-2) var(--space-3);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: background 0.2s ease, border-color 0.2s ease;
  color: var(--text-2);
}

.pathway-step strong {
  color: var(--text-2);
  transition: color 0.2s ease;
}

.pathway-step.pathway-active {
  background: var(--accent-dim);
  border-left-color: var(--accent);
  color: var(--text-1);
}

.pathway-step.pathway-active strong {
  color: var(--accent);
}

.pathway-step.pathway-alert {
  background: var(--alert-dim);
  border-left-color: var(--alert);
  color: var(--text-1);
}

.pathway-step.pathway-alert strong {
  color: var(--alert);
}

/* ─── CKD Staging Calculator ─── */
.ckd-calc {
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}

.ckd-calc h4 {
  margin-top: 0 !important;
  margin-bottom: var(--space-3) !important;
  border-bottom: none !important;
  padding-bottom: 0 !important;
}

.ckd-calc-inputs {
  display: flex;
  gap: var(--space-3);
}

.ckd-calc-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.ckd-calc-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

.ckd-calc-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-1);
  background: var(--bg-card);
  outline: none;
  transition: border-color 0.15s ease;
  -moz-appearance: textfield;
}

.ckd-calc-input:focus { border-color: var(--accent); }

.ckd-calc-input::-webkit-inner-spin-button,
.ckd-calc-input::-webkit-outer-spin-button { -webkit-appearance: none; }

.ckd-calc-select { -moz-appearance: auto; -webkit-appearance: auto; appearance: auto; cursor: pointer; }

.ckd-calc-result {
  display: none;
  margin-top: var(--space-3);
}

.ckd-calc-result.ckd-result-active { display: block; }

.ckd-result-top {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
}

.ckd-stage-badges {
  display: flex;
  align-items: baseline;
  gap: 0;
}

.ckd-stage-badge {
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.01em;
  line-height: 1;
}

.ckd-stage-sep { color: var(--text-3); }

.ckd-risk-pill {
  margin-left: auto;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.ckd-risk--low       { background: rgba(22, 163, 74, 0.10); color: #15803d; }
.ckd-risk--mod       { background: rgba(202, 138, 4, 0.12); color: #a16207; }
.ckd-risk--high      { background: rgba(234, 88, 12, 0.12); color: #c2410c; }
.ckd-risk--very-high { background: var(--alert-dim);        color: var(--alert-text); }

.ckd-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.ckd-meta-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
}

.ckd-meta-label {
  font-size: var(--text-2xs);
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 0.2rem;
}

.ckd-meta-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-1);
  display: block;
}

.ckd-meta-warn { color: var(--alert-text); }

.ckd-calc-flag {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-left: 3px solid var(--alert);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--alert-dim);
  color: var(--alert-text);
  margin-top: var(--space-2);
}

.ckd-calc-note {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-left: 3px solid var(--accent-border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--accent-dim);
  color: var(--text-2);
  margin-top: var(--space-2);
}

/* ─── FRAX Threshold Checker ─── */
.frax-calc {
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}

.frax-calc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.frax-calc-header h4 {
  margin: 0 !important;
  border-bottom: none !important;
  padding-bottom: 0 !important;
}

.frax-link-btn {
  flex-shrink: 0;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent);
  border: 1.5px solid var(--accent-border);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.85rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease;
}

.frax-link-btn:hover { background: var(--accent-dim); }

.frax-calc-note {
  font-size: var(--text-2xs);
  color: var(--text-3);
  font-style: italic;
  margin: 0 0 var(--space-3);
}

.frax-result {
  display: none;
  margin-top: var(--space-3);
}

.frax-result.frax-result-active { display: block; }

.frax-threshold-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.frax-threshold-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.frax-threshold-label {
  font-size: var(--text-2xs);
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.frax-threshold-value {
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--text-1);
  line-height: 1;
}

.frax-threshold-sub {
  font-size: var(--text-2xs);
  color: var(--text-3);
  font-style: italic;
}

.frax-threshold-item--iv .frax-threshold-value { color: #a16207; }
.frax-threshold-item--up .frax-threshold-value  { color: var(--alert-text); }

.frax-zone {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid;
  margin-bottom: var(--space-2);
}

.frax-zone-top {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: 0.3rem;
}

.frax-zone-score {
  font-size: var(--text-xl);
  font-weight: 900;
  line-height: 1;
}

.frax-zone-sep { opacity: 0.4; }

.frax-zone-category {
  font-size: var(--text-sm);
  font-weight: 700;
}

.frax-zone-rec {
  font-size: var(--text-xs);
  font-style: italic;
  opacity: 0.9;
}

.frax-zone--low  { background: rgba(22, 163, 74, 0.07); border-color: rgba(22, 163, 74, 0.25); color: #15803d; }
.frax-zone--mid  { background: rgba(202, 138, 4, 0.08); border-color: rgba(202, 138, 4, 0.25); color: #a16207; }
.frax-zone--high { background: var(--alert-dim); border-color: var(--alert-border); color: var(--alert-text); }

.frax-caveats {
  font-size: var(--text-2xs);
  color: var(--text-3);
  font-style: italic;
  margin: var(--space-2) 0 0;
  line-height: 1.5;
}

/* ─── CrCl (Cockcroft-Gault) Calculator ─── */
.crcl-calc {
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}

.crcl-calc h4 {
  margin-top: 0 !important;
  margin-bottom: var(--space-3) !important;
  border-bottom: none !important;
  padding-bottom: 0 !important;
}

.crcl-calc-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.crcl-calc-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.crcl-calc-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

.crcl-calc-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-1);
  background: var(--bg-card);
  outline: none;
  transition: border-color 0.15s ease;
  -moz-appearance: textfield;
}

.crcl-calc-input:focus { border-color: var(--accent); }

.crcl-calc-input::-webkit-inner-spin-button,
.crcl-calc-input::-webkit-outer-spin-button { -webkit-appearance: none; }

.crcl-sex-group {
  display: flex;
  gap: var(--space-2);
}

.crcl-sex-option { flex: 1; }

.crcl-sex-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.crcl-sex-label {
  display: block;
  text-align: center;
  padding: 0.5rem 0.5rem;
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-2);
  background: var(--bg-card);
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  cursor: pointer;
  user-select: none;
}

.crcl-sex-option input[type="radio"]:checked + .crcl-sex-label {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.crcl-result {
  display: none;
  margin-top: var(--space-3);
}

.crcl-result.crcl-result-active { display: block; }

.crcl-result-main {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-3);
}

.crcl-value {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-1);
  letter-spacing: -0.02em;
  line-height: 1;
}

.crcl-unit {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-3);
  margin-left: 0.25rem;
}

.crcl-band {
  margin-left: auto;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.crcl-band--normal  { background: rgba(22, 163, 74, 0.10); color: #15803d; }
.crcl-band--mild    { background: rgba(202, 138, 4, 0.12); color: #a16207; }
.crcl-band--moderate{ background: rgba(234, 88, 12, 0.12); color: #c2410c; }
.crcl-band--severe  { background: var(--alert-dim); color: var(--alert-text); }
.crcl-band--failure { background: #450a0a; color: #fca5a5; }

.crcl-doac-table { margin-top: 0; margin-bottom: var(--space-2); }

.crcl-drug--reduce { color: #a16207; font-weight: 700; }
.crcl-drug--avoid  { color: var(--alert-text); font-weight: 700; }

.crcl-caveat {
  font-size: var(--text-2xs);
  color: var(--text-3);
  font-style: italic;
  margin: var(--space-2) 0 0;
  line-height: 1.5;
}

/* ─── In-tab Anchor List ─── */
.anchor-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem 0;
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  padding: 0.5rem 0.75rem;
  background: var(--surface-raised);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  line-height: 1.6;
}
.anchor-list-label {
  margin-right: 0.5rem;
  font-weight: 500;
  white-space: nowrap;
}
.anchor-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
  white-space: nowrap;
}
.anchor-link:hover { border-bottom-color: var(--accent); }
.anchor-sep {
  color: var(--border);
  margin: 0 0.4rem;
  user-select: none;
}

/* ─── Cancer Referral Criteria Badges ─── */
.ca-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
  line-height: 1.5;
  margin-right: 0.35rem;
  vertical-align: middle;
}
.ca-badge-2ww      { background: rgba(220, 38, 38, 0.1);  color: #b91c1c; }
.ca-badge-consider { background: rgba(217, 119, 6, 0.1);   color: #92400e; }
.ca-badge-urgent   { background: rgba(37,  99, 235, 0.1);  color: #1d4ed8; }

/* ─── Placeholder Notice ─── */
.placeholder-notice {
  background: rgba(161, 116, 0, 0.06);
  border-left: 3px solid rgba(161, 116, 0, 0.35);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-style: italic;
  color: rgba(120, 85, 0, 0.75);
  margin-bottom: var(--space-4);
}

/* ─── Patient Information Links ─── */
.patient-links-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: 0.25rem;
}

.patient-links-list:empty {
  margin-top: 0;
}

.patient-link {
  font-size: var(--text-2xs);
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  padding: 0.18em 0.6em;
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.patient-link--leaflet {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  line-height: 1;
}
.patient-link--leaflet:hover {
  background: var(--accent-dark, var(--accent));
  filter: brightness(1.12);
  border-color: transparent;
}

.patient-link:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  text-decoration: none;
}

.resources-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding: var(--space-2) 0;
}

/* ─── Modal Footer ─── */
.modal-footer {
  padding: var(--space-3) var(--space-6);
  border-top: 1px solid var(--border-subtle);
  background: transparent;
  flex-shrink: 0;
}

.modal-footer p {
  font-size: var(--text-2xs);
  font-weight: 400;
  color: var(--text-3);
  text-align: center;
  letter-spacing: 0.02em;
}

/* ─── Auth Controls ─── */
.auth-controls {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: auto;
}

#auth-logged-out,
#auth-logged-in {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border: 1px solid var(--accent);
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.btn-primary:hover { opacity: 0.85; }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out);
}

.btn-ghost:hover {
  border-color: var(--border-strong);
  color: var(--text-1);
}

.btn-sm {
  font-size: var(--text-sm);
  padding: 0.4rem 0.875rem;
}

.btn-block {
  width: 100%;
  padding: 0.65rem 1rem;
  font-size: var(--text-sm);
}

.user-chip {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-2);
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.75rem;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── Auth Modal ─── */
.auth-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px) saturate(120%);
  -webkit-backdrop-filter: blur(4px) saturate(120%);
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2rem);
}

.auth-modal-overlay.active { display: flex; }

.auth-box {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 360px;
  padding: var(--space-6);
  animation: modal-in var(--duration-slow) var(--ease-out) both;
}

.auth-box-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-3);
}

.auth-modal-close {
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-2);
  font-size: 0.875rem;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out);
}

.auth-modal-close:hover { border-color: var(--border-strong); color: var(--text-1); }

.auth-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: var(--space-6);
  background: var(--bg-sunken);
  border-radius: var(--radius-pill);
  padding: 3px;
}

.auth-tab {
  flex: 1;
  padding: 0.4rem 0.75rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-3);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out),
              color     var(--duration-fast) var(--ease-out);
}

.auth-tab.active {
  background: var(--bg-card);
  color: var(--text-1);
  box-shadow: 0 1px 4px rgba(15,23,42,0.08);
}

.auth-error {
  font-size: var(--text-xs);
  color: var(--alert);
  margin-bottom: var(--space-3);
  min-height: 1.2em;
  font-weight: 700;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-2);
}

.auth-form label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: -0.25rem;
}

.auth-form input {
  width: 100%;
  padding: 0.55rem 0.875rem;
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-1);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--duration-base) var(--ease-out),
              box-shadow   var(--duration-base) var(--ease-out);
}

.auth-form input::placeholder { color: var(--text-3); }

.auth-form input:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.auth-form .btn-primary { margin-top: var(--space-2); }

/* ─── Paywall Prompt ─── */
.paywall-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1200;
  background: rgba(15, 23, 42, 0.50);
  backdrop-filter: blur(6px) saturate(120%);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2rem);
}

.paywall-overlay.active { display: flex; }

.paywall-box {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 340px;
  padding: var(--space-6) var(--space-6) var(--space-5);
  text-align: center;
  animation: modal-in var(--duration-slow) var(--ease-out) both;
}

.paywall-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-2);
  font-size: 0.875rem;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color        var(--duration-fast) var(--ease-out);
}

.paywall-close:hover { border-color: var(--border-strong); color: var(--text-1); }

.paywall-icon {
  color: var(--accent);
  width: 32px;
  height: 32px;
  margin: 0 auto var(--space-3);
  display: block;
}

.paywall-heading {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.paywall-sub {
  font-size: var(--text-sm);
  color: var(--text-3);
  margin-bottom: var(--space-5);
  line-height: 1.5;
}

.paywall-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}

.paywall-actions .btn-primary,
.paywall-actions .btn-ghost {
  font-size: var(--text-sm);
  padding: 0.55rem 1.25rem;
}

/* ─── Card Lock / Favourite ─── */
.card-locked {
  opacity: 0.6;
}

.card-locked:hover {
  opacity: 0.75;
}

.card-lock {
  display: flex;
  align-items: center;
  color: var(--text-3);
}

.fav-btn {
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
  line-height: 1;
}

.fav-btn:hover { color: var(--accent); transform: scale(1.15); }

.fav-btn.is-fav { color: var(--accent); }

.favourites-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-5) 1rem;
  color: var(--text-3);
  font-size: var(--text-sm);
  font-style: italic;
}

/* ─── Wide modal (HRT table & other landscape tabs) ─── */
.modal-box--wide {
  max-width: min(95vw, 1140px);
}

.modal-box--wide .modal-content {
  overflow-x: auto;
}

.modal-box--wide .tab-panel table {
  min-width: 860px;
}

/* ─── Responsive modal width on large screens ─── */
@media (min-width: 1400px) {
  .modal-box        { max-width: 1060px; }
  .modal-box--wide  { max-width: min(95vw, 1320px); }
}

@media (min-width: 1920px) {
  .modal-box        { max-width: 1280px; }
  .modal-box--wide  { max-width: min(95vw, 1540px); }
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

/* Tablet */
@media (max-width: 768px) {
  .search-wrap { max-width: 100%; }

  .modal-tabs { padding: var(--space-2) var(--space-4); }

  .modal-tab { font-size: var(--text-2xs); }
}

/* Phone */
@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }

  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal-drag-handle {
    display: block;
    width: 36px;
    height: 4px;
    background: var(--border-strong);
    border-radius: 2px;
    margin: 10px auto 4px;
    flex-shrink: 0;
  }

  .modal-box {
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
    padding-top: env(safe-area-inset-top);
    animation: modal-in-mobile var(--duration-slow) var(--ease-out) both;
    transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
    will-change: transform, opacity;
  }

  .modal-box.dragging {
    transition: none;
  }

  .modal-box.dismissing {
    transition: transform 0.22s cubic-bezier(0.4, 0, 1, 1),
                opacity   0.22s cubic-bezier(0.4, 0, 1, 1);
  }

  .modal-box.snapping-back {
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity   0.3s ease;
  }

  @keyframes modal-in-mobile {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0);   opacity: 1; }
  }

  .modal-header { padding: var(--space-4) var(--space-4) var(--space-2); padding-right: calc(var(--space-4) + 7.5rem); }
  .modal-actions { right: var(--space-4); }
  .modal-content { padding: var(--space-4); padding-bottom: max(var(--space-4), env(safe-area-inset-bottom)); }
  .modal-footer { padding: var(--space-2) var(--space-4); }

  #search-input { font-size: 16px; }
  .find-input   { font-size: 16px; }

  #modal-title { font-size: var(--text-lg); }

  .modal-meta { gap: var(--space-1); }
  .modal-system-chip { display: none; }

  /* Brand */
  .brand-title { font-size: 1.75rem; }
  .brand-subtitle { font-size: 0.58rem; letter-spacing: 0.08em; }

  /* Controls bar — search full-width first row, buttons second row */
  .search-wrap {
    flex: 1 1 100%;
    max-width: 100%;
    order: -1;
  }

  /* Find bar */
  .modal-find-bar { padding: var(--space-2) var(--space-3); }
  .find-bar-icon { display: none; }
  .find-count { min-width: 2.5rem; }
}

/* ─── Consult Tab ─── */
.modal-tab--consult {
  border-color: var(--accent-border);
  color: var(--accent);
}

.modal-tab--consult:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.modal-tab--consult.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

/* ── Tab image panel ── */
.tab-image-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-2) 0;
}

.tab-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.tab-image-caption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-align: center;
  max-width: 560px;
  line-height: 1.6;
}

/* ─── Footer ─── */
.site-footer {
  margin-top: var(--space-8);
  border-top: 1px solid var(--border-default);
  background: var(--bg-sunken);
  position: relative;
  z-index: 1;
  padding-bottom: env(safe-area-inset-bottom);
}

.site-footer-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: var(--space-8) clamp(1rem, 5vw, 3rem) var(--space-6);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-7);
}

.footer-brand {
  font-family: var(--font-sans);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
  margin-bottom: var(--space-3);
}

.footer-strapline {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text-3);
  line-height: 1.65;
  max-width: 28ch;
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.footer-body {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text-3);
  line-height: 1.65;
}

.footer-link {
  display: inline-block;
  margin-top: var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.footer-link:hover {
  opacity: 0.75;
}

.footer-base {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-4) clamp(1rem, 5vw, 3rem);
  max-width: 80rem;
  margin: 0 auto;
}

.footer-base p {
  font-family: var(--font-sans);
  font-size: var(--text-2xs);
  color: var(--text-3);
}

@media (max-width: 768px) {
  .site-footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer-strapline {
    max-width: none;
  }
}

/* ─── Print / Handout Mode ─── */
@media print {
  @page { margin: 1.5cm 1.8cm; }

  /* Hide page chrome; expose only the modal */
  body > :not(#modal-overlay) { display: none !important; }

  #modal-overlay {
    display: block !important;
    position: static !important;
    background: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    padding: 0 !important;
  }

  .modal-box {
    box-shadow: none !important;
    border: none !important;
    border-radius: 0 !important;
    max-height: none !important;
    max-width: none !important;
    width: 100% !important;
    overflow: visible !important;
    animation: none !important;
  }

  .modal-actions,
  .modal-tabs { display: none !important; }

  .modal-header {
    padding: 0 0 0.6rem !important;
    padding-right: 0 !important;
    border-bottom: 2px solid #000 !important;
    margin-bottom: 0.8rem;
  }

  #modal-title {
    font-size: 16pt !important;
    color: #000 !important;
    margin: 0.25rem 0 0 !important;
  }

  .modal-nice-badge {
    background: none !important;
    color: #000 !important;
    border: 1px solid #000 !important;
    font-size: 8pt !important;
  }

  .modal-updated,
  .modal-system-chip {
    color: #555 !important;
    font-size: 8pt !important;
    border-color: #999 !important;
  }

  .modal-content {
    overflow: visible !important;
    padding: 0 !important;
  }

  /* Show all tab panels */
  .tab-panel { display: block !important; }

  /* Section label injected by JS */
  .print-section-label {
    display: block;
    font-size: 10pt;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: #000;
    border-bottom: 1px solid #888;
    padding-bottom: 0.2rem;
    margin: 1.4rem 0 0.5rem;
  }

  /* Typography */
  .tab-panel h4 {
    font-size: 8.5pt !important;
    color: #444 !important;
    border-bottom-color: #ccc !important;
    margin-top: 0.7rem !important;
    margin-bottom: 0.25rem !important;
  }

  .tab-panel p,
  .tab-panel li {
    font-size: 9pt !important;
    color: #000 !important;
    line-height: 1.45 !important;
  }

  /* Tables */
  .tab-panel table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.3rem 0;
    font-size: 8.5pt !important;
  }

  .tab-panel th {
    background: #efefef !important;
    border: 1px solid #999 !important;
    padding: 0.2em 0.4em !important;
    color: #000 !important;
    font-weight: 700;
  }

  .tab-panel td {
    border: 1px solid #bbb !important;
    padding: 0.2em 0.4em !important;
    color: #000 !important;
  }

  /* Alert boxes */
  .alert-box {
    background: none !important;
    border: 1.5px solid #000 !important;
    border-radius: 0 !important;
    padding: 0.35em 0.55em !important;
    margin: 0.3rem 0 !important;
  }

  .alert-box p,
  .alert-box li,
  .alert-box strong { color: #000 !important; }

  /* Step blocks */
  .step-block {
    background: none !important;
    border: 1px solid #ccc !important;
    border-radius: 0 !important;
    padding: 0.35em 0.55em !important;
    margin: 0.25rem 0 !important;
    page-break-inside: avoid;
  }

  .step-header { color: #000 !important; }
  .alert-step { border-color: #000 !important; }
  .alert-step .step-header { color: #000 !important; }

  /* Callouts and inline alerts */
  .callout { color: #333 !important; font-style: italic; }
  .alert-inline { color: #000 !important; }

  /* Hide interactive calculator widgets */
  .ckd-calc,
  .frax-calc,
  .crcl-calc,
  .wells-result { display: none !important; }

  /* Wells rows: strip interactivity */
  .wells-item { cursor: default !important; }
  .wells-item.selected td { background: none !important; }

  /* Avoid orphaned headings / split blocks */
  .tab-panel h4,
  .step-block,
  .alert-box,
  tr { page-break-inside: avoid; }

  /* Disclaimer footer */
  .modal-footer {
    display: block !important;
    border-top: 1px solid #ccc;
    margin-top: 1rem;
    padding-top: 0.5rem;
  }

  .modal-footer p {
    font-size: 7pt !important;
    color: #666 !important;
  }
}

@media print {
  .modal-actions { display: none !important; }

  .patient-links-list {
    flex-wrap: wrap;
    gap: 0.3rem !important;
    margin-top: 0.3rem;
    margin-bottom: 0.3rem;
  }

  .patient-link {
    color: #000 !important;
    border-color: #888 !important;
    font-size: 8pt !important;
    padding: 0.1em 0.4em !important;
  }

  .patient-link::after {
    content: " — " attr(href);
    font-size: 7pt;
    color: #555;
    font-weight: 400;
  }
}

/* ─── Loading Overlay ─── */
#loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

#loading-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-brand {
  font-family: var(--font-sans);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
}

.loading-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: loading-spin 0.75s linear infinite;
}

@keyframes loading-spin {
  to { transform: rotate(360deg); }
}

/* ─── Onboarding Hint ─── */
.onboarding-hint {
  position: fixed;
  bottom: max(1.5rem, calc(env(safe-area-inset-bottom) + 0.75rem));
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  padding: 1rem 2.5rem 1rem 1.25rem;
  width: min(340px, calc(100vw - 2rem));
  animation: hint-in 0.35s var(--ease-out) both;
}

.onboarding-hint.hint-out {
  animation: hint-out 0.28s var(--ease-out) both;
}

@keyframes hint-in {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@keyframes hint-out {
  to { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

.hint-label {
  font-size: var(--text-2xs);
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.625rem;
}

.hint-items {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.hint-item {
  font-size: var(--text-sm);
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hint-key {
  background: var(--bg-sunken);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 0.15em 0.5em;
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--text-1);
  white-space: nowrap;
}

.hint-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.7rem;
  line-height: 1;
  padding: 0.25rem;
  transition: color var(--duration-fast) var(--ease-out);
}

/* ─── Toast ─── */
.toast {
  position: fixed;
  bottom: max(1.75rem, calc(env(safe-area-inset-bottom) + 1rem));
  left: 50%;
  transform: translateX(-50%) translateY(0.5rem);
  z-index: 3000;
  background: var(--text-1);
  color: var(--bg-base);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 180ms var(--ease-out),
              transform 180ms var(--ease-out);
}

.toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .toast { transition: opacity 180ms var(--ease-out); }
}

.hint-close:hover { color: var(--text-1); }

/* ─── Info popup ─── */
.info-popup-backdrop {
  position: fixed;
  inset: 0;
  z-index: 3500;
  background: rgba(0, 0, 0, 0.35);
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  transition: opacity 180ms var(--ease-out), visibility 0s 180ms linear;
}
.info-popup-backdrop.is-open {
  pointer-events: auto;
  visibility: visible;
  opacity: 1;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  transition: opacity 180ms var(--ease-out);
}
.info-popup-panel {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -48%) scale(0.97);
  z-index: 3600;
  width: min(92vw, 700px);
  max-height: 80vh;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.22);
  display: flex;
  flex-direction: column;
  overflow: clip;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out);
}
.info-popup-panel:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}
.info-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem 0.875rem;
  border-bottom: 1px solid var(--border-default);
  flex-shrink: 0;
}
.info-popup-title {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.info-popup-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-3);
  font-size: 0.75rem;
  padding: 0.25rem 0.4rem;
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  line-height: 1;
}
.info-popup-close:hover {
  color: var(--text-1);
  background: var(--bg-sunken);
}
.info-popup-body {
  flex: 1;
  min-height: 0;
  padding: 1.25rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.popup-trigger {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  transition: color var(--duration-fast) var(--ease-out),
              text-decoration-color var(--duration-fast) var(--ease-out);
}
.popup-trigger:hover {
  text-decoration-color: var(--accent);
}
.popup-trigger::before {
  content: '\25A6';
  font-size: 0.7em;
  opacity: 0.7;
}
@media (prefers-reduced-motion: reduce) {
  .info-popup-backdrop,
  .info-popup-panel { transition: none; }
}