/* ── Design system ── */
:root {
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --sidebar-w: 280px;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.18s ease;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #eef1f6;
  --bg-mesh: radial-gradient(ellipse 80% 60% at 10% 0%, rgba(99, 102, 241, 0.08), transparent),
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(16, 185, 129, 0.07), transparent),
    #eef1f6;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --sidebar-bg: #111827;
  --sidebar-text: #f9fafb;
  --sidebar-muted: #9ca3af;
  --sidebar-hover: rgba(255, 255, 255, 0.06);
  --sidebar-active: rgba(16, 185, 129, 0.15);
  --sidebar-border: rgba(255, 255, 255, 0.08);
  --text: #111827;
  --text-secondary: #4b5563;
  --muted: #6b7280;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --accent: #059669;
  --accent-hover: #047857;
  --accent-soft: rgba(5, 150, 105, 0.12);
  --accent-glow: rgba(5, 150, 105, 0.25);
  --danger: #dc2626;
  --warn: #d97706;
  --code-bg: #f3f4f6;
  --empty-cell: #f9fafb;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.1);
  --badge-program: #dbeafe; --badge-program-text: #1d4ed8;
  --badge-day: #ede9fe; --badge-day-text: #6d28d9;
  --badge-exercise: #d1fae5; --badge-exercise-text: #047857;
  --badge-assignment: #ffedd5; --badge-assignment-text: #c2410c;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #090b10;
  --bg-mesh: radial-gradient(ellipse 70% 50% at 15% 0%, rgba(99, 102, 241, 0.12), transparent),
    radial-gradient(ellipse 50% 40% at 85% 5%, rgba(16, 185, 129, 0.08), transparent),
    #090b10;
  --surface: #13161d;
  --surface-2: #1a1f28;
  --sidebar-bg: #07080c;
  --sidebar-text: #f3f4f6;
  --sidebar-muted: #6b7280;
  --sidebar-hover: rgba(255, 255, 255, 0.05);
  --sidebar-active: rgba(52, 211, 153, 0.12);
  --sidebar-border: rgba(255, 255, 255, 0.06);
  --text: #f3f4f6;
  --text-secondary: #9ca3af;
  --muted: #6b7280;
  --border: #252b36;
  --border-strong: #374151;
  --accent: #34d399;
  --accent-hover: #6ee7b7;
  --accent-soft: rgba(52, 211, 153, 0.12);
  --accent-glow: rgba(52, 211, 153, 0.2);
  --danger: #f87171;
  --warn: #fbbf24;
  --code-bg: #0a0c10;
  --empty-cell: #0f1218;
  --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 8px 24px rgba(0,0,0,0.25);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.45);
  --badge-program: rgba(59,130,246,0.2); --badge-program-text: #93c5fd;
  --badge-day: rgba(139,92,246,0.2); --badge-day-text: #c4b5fd;
  --badge-exercise: rgba(52,211,153,0.15); --badge-exercise-text: #6ee7b7;
  --badge-assignment: rgba(251,146,60,0.15); --badge-assignment-text: #fdba74;
}

* { box-sizing: border-box; margin: 0; }

body {
  font-family: var(--font);
  background: var(--bg-mesh);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

/* ── Shell layout ── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--sidebar-border);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 40;
}

.main-column {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ── Sidebar ── */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.35rem 1.25rem 1rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #34d399, #059669);
  color: #022c22;
  font-weight: 800;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 12px rgba(52, 211, 153, 0.35);
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--sidebar-muted);
}

.sidebar-summary {
  margin: 0 1rem 1rem;
  padding: 0.85rem 1rem;
  background: var(--sidebar-hover);
  border: 1px solid var(--sidebar-border);
  border-radius: var(--radius-sm);
}

.summary-title {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.summary-meta {
  font-size: 0.75rem;
  color: var(--sidebar-muted);
  margin-top: 0.2rem;
}

.step-nav {
  flex: 1;
  padding: 0 0.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.step-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--sidebar-muted);
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: background var(--transition), color var(--transition);
}

.step-link:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text);
}

.step-link.active {
  background: var(--sidebar-active);
  color: var(--sidebar-text);
}

.step-link.done .step-num {
  background: rgba(52, 211, 153, 0.25);
  color: #6ee7b7;
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-link.active .step-num {
  background: var(--accent);
  color: #022c22;
}

.step-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.step-text strong {
  font-size: 0.85rem;
  font-weight: 600;
}

.step-text small {
  font-size: 0.72rem;
  opacity: 0.75;
}

.step-check {
  color: #34d399;
  font-size: 0.85rem;
  font-weight: 700;
}

.nav-divider {
  height: 1px;
  background: var(--sidebar-border);
  margin: 0.5rem 0;
}

.docs-link .step-num {
  font-size: 0.9rem;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--sidebar-border);
}

.theme-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--sidebar-border);
  background: transparent;
  color: var(--sidebar-muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
}

.theme-toggle:hover { background: var(--sidebar-hover); color: var(--sidebar-text); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun, .theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* ── Topbar ── */
.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 2rem 0.5rem;
  flex-wrap: wrap;
}

.topbar h1,
.topbar h2 {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.topbar-left p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.topbar-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ── Main content ── */
main {
  padding: 0.75rem 2rem 3rem;
  flex: 1;
}

.panel { display: none; animation: rise 0.3s ease; }
.panel.active { display: block; }

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.panel-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 1rem;
  align-items: start;
}

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  overflow: visible;
}

.card-head { margin-bottom: 1.25rem; }
.card-head h2 { font-size: 1.1rem; font-weight: 650; letter-spacing: -0.02em; margin-bottom: 0.25rem; }
.card-head p { color: var(--muted); font-size: 0.875rem; }
.card-head code { font-family: var(--mono); font-size: 0.8rem; background: var(--code-bg); padding: 0.1rem 0.35rem; border-radius: 4px; }
.row-head { display: flex; justify-content: space-between; align-items: flex-start; }

.card-feature { grid-column: 1; }
.card-side h2 { font-size: 1rem; margin-bottom: 0.5rem; }

/* ── Forms ── */
.form-stack { display: flex; flex-direction: column; gap: 1rem; }

.form-stack label,
.form-inline label,
.field-row label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-stack label span,
.form-inline label span,
.field-row label span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.optional {
  font-style: normal;
  font-weight: 400;
  text-transform: lowercase;
  color: var(--muted);
}

.field-lg input { font-size: 1.1rem; font-weight: 500; padding: 0.75rem 0.85rem; }

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.85rem;
}

.form-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
}

.form-inline label { min-width: 100px; flex: 1; }
.form-inline .btn { flex-shrink: 0; margin-bottom: 1px; }

label small {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
}

input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  pointer-events: auto;
  cursor: pointer;
  min-height: 2.5rem;
}

select {
  appearance: auto;
  -webkit-appearance: menulist;
  position: relative;
  z-index: 2;
}

select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.schedule-hint { margin-top: 1rem; margin-bottom: 0; }

.day-slot input.day-name[readonly] {
  opacity: 0.65;
  cursor: default;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ── Buttons ── */
.btn {
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}

[data-theme="dark"] .btn-primary { color: #022c22; }

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text);
}

.btn-outline:hover { background: var(--surface-2); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
}

.btn-block { width: 100%; margin-bottom: 0.5rem; }
.btn-lg { padding: 0.85rem 1.5rem; font-size: 1rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.file-label { cursor: pointer; }
.danger-text { color: var(--danger) !important; }

.hint { color: var(--muted); font-size: 0.875rem; margin-bottom: 1rem; }

.tip-box {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.tip-box strong { display: block; margin-bottom: 0.25rem; color: var(--accent); }
.tip-box p { color: var(--text-secondary); margin: 0; }

.pill {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  vertical-align: middle;
}

.step-footer {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  display: flex;
  justify-content: flex-end;
}

.step-footer.split { justify-content: space-between; }
.step-footer .csv-back-hint { margin: 0; align-self: center; }
.step-footer kbd {
  font-family: var(--mono);
  font-size: 0.8em;
  padding: 0.1em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

/* ── Schedule week ── */
.schedule-week {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.65rem;
}

@media (max-width: 900px) {
  .schedule-week { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
}

.day-slot {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  background: var(--surface-2);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.day-slot.training {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.day-slot.rest {
  opacity: 0.55;
  border-style: dashed;
}

.day-slot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
}

.day-slot-header strong {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.day-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  margin-top: 0.5rem;
}

.day-slot input[type="text"] {
  width: 100%;
  font-weight: 600;
  text-align: center;
}

/* ── Exercise list ── */
.exercise-cards {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.exercise-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.exercise-item:hover { border-color: var(--accent); }

.exercise-item strong { font-size: 0.95rem; display: block; }
.exercise-item span { font-size: 0.78rem; color: var(--muted); }

.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--muted);
}

.empty-state-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  opacity: 0.5;
}

/* ── Day columns (assignments) ── */
.day-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.day-column {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.day-column-head {
  padding: 0.85rem 1rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font-weight: 650;
  font-size: 0.9rem;
}

.day-column-head small {
  display: block;
  font-weight: 400;
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: 0.15rem;
}

.assign-item {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.assign-item:last-child { border-bottom: none; }

.assign-item strong { font-size: 0.88rem; display: block; }
.assign-item span { font-size: 0.75rem; color: var(--muted); }

.assign-empty {
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.icon-btn:hover { background: rgba(220,38,38,0.1); }

/* ── Review ── */
.review-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  background: linear-gradient(135deg, var(--accent-soft), transparent);
  border-color: var(--accent);
}

.review-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.review-hero h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.review-stats {
  color: var(--muted);
  margin-top: 0.35rem;
  font-size: 0.9rem;
}

.week-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 0.5rem;
}

.week-pill {
  text-align: center;
  padding: 0.65rem 0.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 0.78rem;
}

.week-pill strong { display: block; font-size: 0.9rem; margin-bottom: 0.1rem; }
.week-pill.deload { border-color: var(--warn); background: rgba(251,191,36,0.1); color: var(--warn); }

/* ── CSV docs ── */
.record-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.65rem;
}

.record-card {
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.record-card strong { font-family: var(--mono); font-size: 0.85rem; }
.record-card span { font-size: 0.8rem; color: var(--muted); }
.record-card.program { background: var(--badge-program); border-color: transparent; }
.record-card.program strong { color: var(--badge-program-text); }
.record-card.day { background: var(--badge-day); border-color: transparent; }
.record-card.day strong { color: var(--badge-day-text); }
.record-card.exercise { background: var(--badge-exercise); border-color: transparent; }
.record-card.exercise strong { color: var(--badge-exercise-text); }
.record-card.assignment { background: var(--badge-assignment); border-color: transparent; }
.record-card.assignment strong { color: var(--badge-assignment-text); }

.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.5;
  white-space: pre-wrap;
  color: var(--text-secondary);
  margin: 0.75rem 0;
}

.example-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  max-height: 420px;
  overflow-y: auto;
}

table.example-csv {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  min-width: 800px;
}

table.example-csv th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  padding: 0.5rem 0.6rem;
  text-align: left;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  z-index: 1;
}

table.example-csv td {
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.72rem;
  white-space: nowrap;
}

table.example-csv td.empty { background: var(--empty-cell); color: var(--border-strong); }
table.example-csv td.filled { color: var(--text); font-weight: 500; }

.record-badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  font-family: var(--font);
  font-size: 0.68rem;
  font-weight: 700;
}

.record-badge.program { background: var(--badge-program); color: var(--badge-program-text); }
.record-badge.day { background: var(--badge-day); color: var(--badge-day-text); }
.record-badge.exercise { background: var(--badge-exercise); color: var(--badge-exercise-text); }
.record-badge.assignment { background: var(--badge-assignment); color: var(--badge-assignment-text); }

.card h3 { font-size: 0.95rem; margin: 1rem 0 0.5rem; color: var(--text-secondary); }

.import-errors { color: var(--danger); }
.import-warnings { color: var(--warn); }
.import-ok { color: var(--accent); }

.library-toolbar { display: flex; gap: 0.65rem; margin-bottom: 1rem; flex-wrap: wrap; }
.library-toolbar input, .library-toolbar select { flex: 1; min-width: 160px; }
.mobile-library { max-height: 340px; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.lib-row { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 0.65rem 0.85rem; border-bottom: 1px solid var(--border); }
.lib-row:last-child { border-bottom: none; }
.lib-row.added { background: var(--surface-2); }
.lib-row-info { flex: 1; min-width: 0; }
.lib-row-actions { display: flex; gap: 0.35rem; flex-shrink: 0; flex-wrap: wrap; justify-content: flex-end; }
.lib-row strong { display: block; font-size: 0.9rem; }
.lib-row span { display: block; font-size: 0.75rem; color: var(--muted); }
.lib-days { font-size: 0.72rem !important; color: var(--accent) !important; margin-top: 0.15rem; }
.workouts-hint { margin-bottom: 0.75rem; }
.day-column { cursor: pointer; transition: border-color var(--transition), box-shadow var(--transition); }
.day-column.selected { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent); }
.day-column.selected .day-column-head { background: color-mix(in srgb, var(--accent) 8%, var(--surface-2)); }
.btn-sm { padding: 0.35rem 0.65rem; font-size: 0.78rem; }
.prog-line { display: block; font-size: 0.75rem; color: var(--accent) !important; margin-top: 0.15rem; }
.prog-custom, .prog-e1rm { display: none; }
.prog-custom.is-open, .prog-e1rm.is-open { display: flex; flex-direction: column; gap: 0.1rem; }

.review-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.review-table th, .review-table td { padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); text-align: left; }
.review-table th { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.review-table-wrap { overflow-x: auto; }
.review-day-block { margin-bottom: 1rem; }
.review-day-block h3 { font-size: 0.95rem; margin-bottom: 0.35rem; }
.review-assign-list { margin: 0; padding-left: 1.25rem; color: var(--text-secondary); font-size: 0.875rem; }
.review-warnings { margin-top: 0.5rem; font-size: 0.85rem; color: var(--danger); }
.review-warnings span { display: block; }
.assign-form { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.prog-panel {
  width: 100%;
  flex-basis: 100%;
  margin-top: 0.75rem;
  padding: 0.85rem;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.65rem;
  align-items: end;
  border: 1px solid var(--border);
}
.exercise-item { flex-wrap: wrap; align-items: flex-start; }
.ex-toolbar { display: flex; gap: 0.35rem; align-items: center; flex-shrink: 0; }
.ex-edit-panel {
  width: 100%;
  flex-basis: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.65rem;
  padding: 0.75rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
}

.assign-mode-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.assign-mode-tab {
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-secondary);
  cursor: pointer;
}
.assign-mode-tab.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.assign-mode-panel { margin-bottom: 0.75rem; }
.assign-week-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}
.assign-week-row label { min-width: 160px; }
.day-columns-head { margin-bottom: 0.75rem; }
.week-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
.link-btn {
  background: none;
  border: none;
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
  padding: 0;
  margin-left: 0.5rem;
  text-decoration: underline;
}
.assign-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.35rem;
}
.assign-fields label {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.assign-fields input {
  width: 4rem;
  padding: 0.25rem 0.35rem;
  min-height: auto;
  font-size: 0.82rem;
}
.assign-item-main { flex: 1; min-width: 0; }
.day-column-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.25rem; }
.day-column-head small { flex: 1; }
.ex-main { flex: 1; }
.ex-actions { display: flex; gap: 0.35rem; align-items: center; }
.empty-banner { background: var(--warn-soft); border: 1px solid var(--warn); border-radius: var(--radius-sm); padding: 1rem; margin-bottom: 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.custom-exercise-details summary { cursor: pointer; font-weight: 600; padding: 0.25rem 0; }
.custom-exercise-details[open] summary { margin-bottom: 1rem; }
.import-guide {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  line-height: 1.5;
}
.import-guide li strong { color: var(--text); }
.example-tables-stack { display: flex; flex-direction: column; gap: 1.25rem; }
.example-section-head { margin-bottom: 0.5rem; }
.example-caption { margin: 0.35rem 0 0; font-size: 0.85rem; color: var(--muted); line-height: 1.45; }
table.example-csv.compact { min-width: 0; width: 100%; }
.assign-hint { margin-top: 0.5rem; margin-bottom: 0; }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  font-size: 0.9rem;
  font-weight: 500;
  animation: rise 0.3s ease;
}

.toast.error { border-color: var(--danger); }

/* ── Responsive ── */
@media (max-width: 960px) {
  .sidebar {
    position: relative;
    width: 100%;
    height: auto;
  }
  .main-column { margin-left: 0; }
  .app-shell { flex-direction: column; }
  .step-nav {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }
  .step-link { min-width: 180px; }
  .sidebar-footer { display: none; }
  .panel-grid { grid-template-columns: 1fr; }
  main, .topbar { padding-left: 1rem; padding-right: 1rem; }
  .site-intro { padding-left: 1rem; padding-right: 1rem; }
}

/* ── SEO intro, FAQ, contact ── */
.site-intro {
  padding: 1.25rem 1.75rem 0;
  max-width: 920px;
}
.site-intro h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 0.35rem;
}
.site-intro p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 56ch;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  padding: 0.85rem 1rem;
}
.faq-item summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  padding-right: 1.5rem;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--muted);
  font-weight: 400;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  margin-top: 0.65rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.faq-item code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.contact-form textarea {
  font: inherit;
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  resize: vertical;
  min-height: 8rem;
}
.contact-hint { margin-top: 0.25rem; }
.contact-blurb {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.feature-list li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
  margin-right: 0.5rem;
}
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}