@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;500;600;700;800&family=Space+Mono:wght@400;700&family=Outfit:wght@300;400;500;600&display=swap');

/* ─── CSS Variables ────────────────────────────────────────────────────────── */
:root {
  --bg:           #080c14;
  --bg-2:         #0e1520;
  --bg-3:         #141d2e;
  --bg-4:         #1a253a;
  --border:       #1e2d45;
  --border-light: #253549;
  --text:         #dde4f0;
  --text-muted:   #4a5e7a;
  --text-dim:     #2e3f58;

  --fab:          #3b82f6;
  --fab-dim:      rgba(59,130,246,0.12);
  --fab-glow:     rgba(59,130,246,0.35);
  --sol:          #f472b6;
  --sol-dim:      rgba(244,114,182,0.12);
  --sol-glow:     rgba(244,114,182,0.35);

  --accent:       #0ea5e9;
  --success:      #10b981;
  --warn:         #f59e0b;
  --rest-45:      #a78bfa;
  --rest-60:      #34d399;

  --radius:       10px;
  --radius-lg:    16px;
  --font-head:    'Exo 2', sans-serif;
  --font-body:    'Outfit', sans-serif;
  --font-mono:    'Space Mono', monospace;
}

/* ─── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Background grain ──────────────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ─── Topnav ─────────────────────────────────────────────────────────────────── */
#topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 58px;
  background: rgba(8,12,20,0.85);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo span {
  color: var(--accent);
}
.nav-tabs {
  display: flex;
  gap: 4px;
}
.nav-tab {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 14px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.nav-tab:hover { color: var(--text); background: var(--bg-3); }
.nav-tab.active { color: var(--accent); background: rgba(14,165,233,0.1); }

/* ─── Main container ─────────────────────────────────────────────────────────── */
#app {
  position: relative;
  z-index: 1;
  padding-top: 78px;
  padding-bottom: 40px;
  min-height: 100vh;
}
.view { display: none; animation: fadeIn 0.25s ease; }
.view.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ─── Section header ─────────────────────────────────────────────────────────── */
.view-header {
  margin-bottom: 28px;
}
.view-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  color: var(--text);
}
.view-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ─── Home — workout grid ─────────────────────────────────────────────────────── */
.workout-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
}
.workout-card {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 16px 16px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.18s, box-shadow 0.2s;
  overflow: hidden;
}
.workout-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,165,233,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.2s;
}
.workout-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.workout-card:hover::before { opacity: 1; }
.workout-card:active { transform: translateY(0); }

.card-num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1;
  color: var(--text);
  letter-spacing: -0.02em;
}
.card-label {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-top: 2px;
}
.card-rest {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 20px;
}
.card-rest.r45 { background: rgba(167,139,250,0.12); color: var(--rest-45); }
.card-rest.r60 { background: rgba(52,211,153,0.12); color: var(--rest-60); }

.card-badge {
  position: absolute;
  top: 10px; right: 10px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}
.card-count {
  position: absolute;
  top: 8px; right: 8px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--success);
  background: rgba(16,185,129,0.12);
  border-radius: 10px;
  padding: 1px 6px;
}

/* ─── Session view ────────────────────────────────────────────────────────────── */
.session-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.session-back {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 14px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.session-back:hover { color: var(--text); border-color: var(--border-light); }
.session-info {
  flex: 1;
}
.session-info h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
}
.session-info .rest-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  margin-top: 4px;
  padding: 3px 10px;
  border-radius: 20px;
}
.rest-pill.r45 { background: rgba(167,139,250,0.12); color: var(--rest-45); }
.rest-pill.r60 { background: rgba(52,211,153,0.12); color: var(--rest-60); }
.session-actions {
  display: flex;
  gap: 10px;
}
.btn {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 8px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn-save {
  background: linear-gradient(135deg, #0ea5e9, #3b82f6);
  color: #fff;
  box-shadow: 0 4px 14px rgba(59,130,246,0.3);
}
.btn-save:hover { box-shadow: 0 4px 20px rgba(59,130,246,0.5); }
.btn-reset {
  background: var(--bg-4);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-reset:hover { color: var(--text); border-color: var(--border-light); }

/* ─── Session compact list ────────────────────────────────────────────────────── */
.exercise-list { display: flex; flex-direction: column; }

.session-list-header {
  display: grid;
  grid-template-columns: 22px 1fr auto 72px 72px;
  padding: 0 8px 5px;
  border-bottom: 0.5px solid #2e4060;
  margin-bottom: 2px;
}
.slh-user {
  font-size: 9px;
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.07em;
}
.slh-fab { color: #378ADD; }
.slh-sol { color: #D4537E; }

.session-row {
  display: grid;
  grid-template-columns: 22px 1fr auto 72px 72px;
  align-items: center;
  padding: 5px 8px;
  border-bottom: 0.5px solid #1e2d42;
  border-radius: 6px;
  transition: background 0.12s;
  animation: fadeIn 0.25s ease both;
}
.session-row:hover { background: #1e2d42; }
.session-row.last-row { border-bottom: none; }

.sr-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  text-align: right;
  padding-right: 5px;
}

.sr-name {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  overflow: hidden;
}
.sr-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.sr-name .exercise-name {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.82rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.exercise-name.clickable { cursor: pointer; transition: color 0.15s; }
.exercise-name.clickable:hover { color: var(--accent); }

.sr-badge {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  color: var(--text-muted);
  background: #162030;
  padding: 2px 7px;
  border-radius: 10px;
  white-space: nowrap;
  margin: 0 6px;
}

.sr-weight {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

/* ─── Weight input (session) ─────────────────────────────────────────────────── */
.weight-input {
  background: #162030;
  border: 0.5px solid #2e4060;
  border-radius: 5px;
  color: #c8ddf0;
  font-family: var(--font-mono);
  text-align: center;
  transition: border-color 0.15s;
  -moz-appearance: textfield;
}
.weight-input::-webkit-inner-spin-button,
.weight-input::-webkit-outer-spin-button { display: none; }
.weight-input:focus { outline: none; }
.weight-input.fab-input:focus { border-color: #378ADD; }
.weight-input.sol-input:focus { border-color: #D4537E; }

.sl-input {
  width: 48px;
  font-size: 12px;
  padding: 3px 0;
}

.sl-last {
  font-size: 9px;
  color: #3d5e7a;
  white-space: nowrap;
}
.sl-last-label { color: #3d5e7a; }
.sl-last-val   { color: #4a7fa8; }
.sl-last-empty { font-style: italic; color: #2e4060; }

/* ─── Session footer (buttons) ────────────────────────────────────────────────── */
.session-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 0.5px solid #1e2d42;
}
.session-actions .btn-reset { flex: 1; padding: 6px 10px; font-size: 11px; }
.session-actions .btn-save  { flex: 2; padding: 6px 10px; font-size: 12px; }

/* ─── Save confirmation toast ─────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--success);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(16,185,129,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 200;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── Progress view ────────────────────────────────────────────────────────────── */
.progress-controls {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.select-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
}
.select-wrap select {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 9px 36px 9px 14px;
  appearance: none;
  cursor: pointer;
  transition: border-color 0.2s;
}
.select-wrap select:focus {
  outline: none;
  border-color: var(--accent);
}
.select-wrap::after {
  content: '▾';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 0.8rem;
}
.user-toggles {
  display: flex;
  gap: 8px;
}
.user-toggle {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid;
  cursor: pointer;
  transition: all 0.2s;
}
.user-toggle.fab {
  border-color: var(--fab);
  color: var(--fab);
  background: transparent;
}
.user-toggle.fab.active {
  background: var(--fab-dim);
  box-shadow: 0 0 12px var(--fab-glow);
}
.user-toggle.sol {
  border-color: var(--sol);
  color: var(--sol);
  background: transparent;
}
.user-toggle.sol.active {
  background: var(--sol-dim);
  box-shadow: 0 0 12px var(--sol-glow);
}

.chart-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}
.chart-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.chart-container {
  position: relative;
  height: 300px;
}

/* ─── Progress table ────────────────────────────────────────────────────────────── */
.progress-table-wrap {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.progress-table {
  width: 100%;
  border-collapse: collapse;
}
.progress-table th {
  background: var(--bg-3);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.progress-table th.col-fab { color: var(--fab); }
.progress-table th.col-sol { color: var(--sol); }
.progress-table th.col-other { color: var(--text-muted); }
.progress-table td {
  padding: 9px 16px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--bg-3);
}
.progress-table tr:last-child td { border-bottom: none; }
.progress-table tr:hover td { background: var(--bg-3); }
.td-date { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); }
.td-wnum { font-family: var(--font-mono); color: var(--accent); }
.td-weight { font-family: var(--font-mono); font-size: 0.85rem; }
.td-weight.fab { color: var(--fab); }
.td-weight.sol { color: var(--sol); }
.td-weight.none { color: var(--text-dim); }
.no-data-row td { text-align: center; padding: 30px; color: var(--text-muted); }

/* ─── Exercise Detail Card ───────────────────────────────────────────────────── */
.card-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 14, 0.82);
  backdrop-filter: blur(6px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: backdropIn 0.2s ease;
}
@keyframes backdropIn { from { opacity: 0; } to { opacity: 1; } }
.card-backdrop.hiding { animation: backdropOut 0.18s ease forwards; }
@keyframes backdropOut { to { opacity: 0; } }

.exercise-card {
  position: relative;
  background: #111c2e;
  border: 1px solid var(--border-light);
  border-radius: 18px;
  width: 100%;
  max-width: 920px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.04);
  animation: cardIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes cardIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.card-close {
  position: sticky;
  top: 0;
  float: right;
  margin: 14px 14px -14px 0;
  width: 32px; height: 32px;
  background: var(--bg-4);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  transition: background 0.2s, color 0.2s;
}
.card-close:hover { background: var(--border-light); color: var(--text); }

.card-sections {
  display: grid;
  grid-template-columns: 2fr 1px 2fr 1px 1fr;
  gap: 0;
  padding: 28px 0 28px;
  clear: both;
}
.card-divider {
  background: var(--border);
  margin: 0;
}
.card-section {
  padding: 0 24px;
}

/* ── Section 1: left ── */
/* Vertical layout: two portrait images side by side */
.card-images-vertical {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}
/* Horizontal / horizontal3 layout: images stacked in one column */
.card-images-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.card-img-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
/* Base image — no cropping, scale to column width */
.card-img {
  width: 100%;
  object-fit: contain;
  border-radius: 8px;
  background: var(--bg-4);
  border: 1px solid var(--border);
  display: block;
}
.card-img-v { aspect-ratio: 450 / 636; }
.card-img-h { aspect-ratio: 615 / 300; }
.card-img.img-missing { opacity: 0.3; }
.card-img-label {
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-align: center;
}

.card-field { margin-bottom: 16px; }
.card-field-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.card-field-value {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.5;
}

/* Difficulty dots */
.diff-dots {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 6px;
}
.diff-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  flex-shrink: 0;
}
.diff-dot.filled-beginner      { background: #639922; border-color: #639922; }
.diff-dot.filled-intermediate  { background: #378ADD; border-color: #378ADD; }
.diff-dot.filled-intermediate-advanced { background: #BA7517; border-color: #BA7517; }
.diff-dot.filled-advanced      { background: #E24B4A; border-color: #E24B4A; }
.diff-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ── Section 2: middle ── */
.card-ex-number {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 18px;
}
.card-ex-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 22px;
}

/* ── Section 3: right ── */
.card-section-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 18px;
}
.card-pulley-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.card-pulley-img {
  width: 100%;
  border-radius: 8px;
  background: var(--bg-4);
  border: 1px solid var(--border);
  display: block;
}
.card-pulley-img.img-missing { opacity: 0.3; }

/* clickable exercise names in session */
.exercise-name.clickable {
  cursor: pointer;
  transition: color 0.15s;
}
.exercise-name.clickable:hover { color: var(--accent); }
.exercise-name.clickable::after {
  content: ' ⓘ';
  font-size: 0.7em;
  opacity: 0.45;
  font-family: var(--font-body);
  font-weight: 400;
}

/* ── Responsive card ── */
@media (max-width: 700px) {
  .card-sections {
    grid-template-columns: 1fr;
    padding: 20px 0;
  }
  .card-divider { height: 1px; width: auto; margin: 16px 24px; }
  .card-section { padding: 0 18px; }
}

/* ─── Exercise Library page ──────────────────────────────────────────────────── */
.exlib-section { margin-bottom: 40px; }
.exlib-section-heading {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.exlib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.exlib-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.exlib-card:hover {
  border-color: var(--border-light);
  background: var(--bg-3);
  transform: translateY(-1px);
}
/* Thumbnail area — fixed 100px height */
.exlib-thumb {
  height: 100px;
  background: var(--bg-3);
  overflow: hidden;
  display: flex;
}
.exlib-thumb-v { flex-direction: row; gap: 1px; }
.exlib-thumb-h { flex-direction: column; gap: 1px; }
.exlib-thumb-v .exlib-img {
  width: 50%;
  height: 100px;
  object-fit: contain;
  display: block;
}
.exlib-thumb-h .exlib-img {
  width: 100%;
  height: 50px;
  object-fit: contain;
  display: block;
}
/* Card body */
.exlib-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px 2px;
}
.exlib-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}
.exlib-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.exlib-name {
  font-size: 0.78rem;
  color: var(--text);
  padding: 0 10px 9px;
  line-height: 1.35;
}

/* ─── Scrollbar ────────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ─── Superset bracket ────────────────────────────────────────────────────────── */
.superset-bracket {
  border: 1.5px solid #BA7517;
  border-radius: 8px;
  padding: 4px 4px 2px;
  margin: 4px 0;
  background: rgba(186, 117, 23, 0.06);
  animation: fadeIn 0.25s ease both;
}
.superset-bracket-label {
  font-size: 9px;
  color: #BA7517;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 1px 6px 4px;
  display: block;
}
.superset-bracket .session-row {
  border-bottom: 0.5px solid rgba(186, 117, 23, 0.2);
  border-radius: 4px;
}
.superset-bracket .session-row.last-row { border-bottom: none; }
.superset-bracket .session-row:hover { background: rgba(186, 117, 23, 0.06); }

/* ─── Guide page ──────────────────────────────────────────────────────────────── */
.guide-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid #1e2d42;
}
.guide-tab {
  padding: 8px 18px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  letter-spacing: 0.02em;
}
.guide-tab:hover { color: var(--text); }
.guide-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.guide-accordion { display: flex; flex-direction: column; gap: 6px; }
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #1e2d42;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
  user-select: none;
}
.accordion-header:hover { background: #253550; }
.accordion-header.open { border-radius: 8px 8px 0 0; }
.accordion-title {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}
.accordion-chevron {
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.accordion-header.open .accordion-chevron { transform: rotate(180deg); }
.accordion-body {
  background: #162030;
  border-radius: 0 0 8px 8px;
  padding: 16px 20px;
  display: none;
}
.accordion-body.open { display: block; }
.accordion-body p {
  color: #c8ddf0;
  font-size: 0.88rem;
  line-height: 1.75;
  margin-bottom: 10px;
}
.accordion-body p:last-child { margin-bottom: 0; }
.accordion-body ul { list-style: none; padding: 0; margin: 4px 0 10px; }
.accordion-body li {
  color: #c8ddf0;
  font-size: 0.88rem;
  line-height: 1.75;
  padding-left: 18px;
  position: relative;
  margin-bottom: 2px;
}
.accordion-body li::before { content: '•'; position: absolute; left: 4px; color: var(--accent); }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .workout-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
  .session-topbar { gap: 10px; }
  .session-actions { width: 100%; }
  .btn { flex: 1; text-align: center; }
  .progress-controls { flex-direction: column; align-items: stretch; }
  .select-wrap { min-width: unset; }
}