/*
  Générateur de séance de musculation
  Copyright (C) 2026 Stéphane Fosse
  SPDX-License-Identifier: BSD-3-Clause
*/

:root {
  --bg: #080808;
  --bg-surface: #111111;
  --bg-surface-2: #181818;
  --bg-hover: #1f1f1f;
  --text: #ffffff;
  --text-muted: #e9e9e9;
  --text-dim: #e9e9e9;
  --text-secondary: #888888;
  --accent: #ef4444;
  --accent-hover: #f87171;
  --accent-dim: rgba(239,68,68,0.12);
  --accent-dim2: rgba(239,68,68,0.06);
  --border-accent: rgba(239,68,68,0.3);
  --radius: 8px;
  --radius-sm: 5px;
  --transition: 0.18s ease;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  padding-bottom: 60px;
}

/* Grain léger */
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;
  opacity: 0.5;
}

#app {
  position: relative;
  z-index: 1;
  max-width: 480px;
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
  padding-bottom: max(60px, env(safe-area-inset-bottom));
}

/* ── HEADER ── */
header {
  padding: 40px 0 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.header-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(52px, 14vw, 72px);
  line-height: 0.9;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
}
h1 .h1-main { color: var(--text); }
h1 .h1-accent { color: var(--accent); }

.header-sub {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 0.01em;
}

/* ── SECTIONS ── */
.section { margin-bottom: 20px; }

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── TOGGLE / ZONES ── */
.toggle-btn {
  min-height: 44px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  text-transform: uppercase;
}
.toggle-btn:hover { background: var(--bg-hover); color: var(--text-dim); }
.toggle-btn.active { background: var(--accent); color: #000; font-weight: 600; }

.zone-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
}
.zone-wide { grid-column: 1 / -1; }

/* ── SLIDER ── */
.slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.slider-row label { font-size: 13px; color: var(--text-dim); white-space: nowrap; min-width: 60px; }
.slider-row input[type=range] {
  flex: 1; min-width: 0;
  -webkit-appearance: none; appearance: none;
  height: 4px; background: var(--border); border-radius: 2px; outline: none; cursor: pointer;
}
.slider-row input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  background: var(--accent); border-radius: 50%; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}
.slider-row input[type=range]::-moz-range-thumb {
  width: 18px; height: 18px; border: none; background: var(--accent); border-radius: 50%; cursor: pointer;
}
.slider-row input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.2); box-shadow: 0 0 0 6px var(--accent-dim); }
.slider-val {
  font-family: 'DM Mono', monospace;
  font-size: 14px; font-weight: 500;
  color: var(--accent);
  min-width: 56px; flex-shrink: 0; white-space: nowrap; text-align: right;
}

/* ── OPTIONS ── */
.options-toggle {
  width: 100%; min-height: 44px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px;
  transition: border-color var(--transition), color var(--transition);
}
.options-toggle:hover { border-color: var(--accent); color: var(--text); }
.options-toggle .arrow { font-size: 12px; transition: transform var(--transition); color: var(--text-secondary); }
.options-toggle.open .arrow { transform: rotate(90deg); }

.options-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 16px;
  display: none;
  flex-direction: column;
  gap: 16px;
  margin-top: -1px;
}
.options-panel.open { display: flex; }

.opt-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.opt-label { font-size: 13px; color: var(--text-dim); }

.switch { position: relative; width: 44px; height: 24px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch-track {
  position: absolute; inset: 0;
  background: var(--border); border-radius: 12px; cursor: pointer;
  transition: background var(--transition);
}
.switch-track::after {
  content: ''; position: absolute;
  width: 18px; height: 18px;
  background: var(--text-secondary); border-radius: 50%;
  top: 3px; left: 3px;
  transition: transform var(--transition), background var(--transition);
}
.switch input:checked + .switch-track { background: var(--accent-dim); border: 1px solid var(--accent); }
.switch input:checked + .switch-track::after { transform: translateX(20px); background: var(--accent); }

/* ── ÉQUIPEMENT ── */
.equipment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }

.equip-item {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  user-select: none;
}
.equip-item:hover { background: var(--bg-hover); }
.equip-item input[type=checkbox] { display: none; }

.equip-check {
  width: 14px; height: 14px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: transparent;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), border-color var(--transition);
  font-size: 9px; color: #000;
}
.equip-item input:checked ~ .equip-check { background: var(--accent); border-color: var(--accent); }
.equip-item input:checked ~ .equip-check::after { content: '✓'; }

.equip-text { font-size: 13px; color: var(--text-dim); line-height: 1.2; transition: color var(--transition); }
.equip-item input:checked ~ .equip-text { color: var(--text); }

.equip-actions { display: flex; gap: 12px; margin-bottom: 8px; }
.link-btn {
  background: none; border: none;
  color: var(--accent);
  font-size: 12px; font-family: 'DM Mono', monospace;
  cursor: pointer; padding: 0;
  text-decoration: underline; text-underline-offset: 2px;
  opacity: 0.8; transition: opacity var(--transition);
}
.link-btn:hover { opacity: 1; }

/* ── ACTIONS ── */
#actions { display: flex; gap: 10px; margin: 24px 0; }

.btn-generate {
  flex: 1; min-height: 52px;
  background: var(--accent); color: #000;
  border: none; border-radius: var(--radius);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px; letter-spacing: 0.08em;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.btn-generate::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.btn-generate:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(245,158,11,0.25); }
.btn-generate:active { transform: translateY(0); }

.btn-regen {
  min-height: 52px; min-width: 52px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 20px; cursor: pointer;
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
  display: none; align-items: center; justify-content: center;
}
.btn-regen:hover { border-color: var(--accent); color: var(--accent); transform: rotate(90deg); }
.btn-regen.visible { display: flex; }

/* ── RÉSULTAT ── */
#result { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.result-empty {
  text-align: center; padding: 40px 20px;
  color: var(--text-muted); font-size: 13px;
  border: 1px dashed var(--border); border-radius: var(--radius);
}
.result-empty .empty-icon { font-size: 32px; display: block; opacity: 0.4; }

.metcon-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.metcon-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--bg-surface-2), var(--bg-surface));
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
}
.metcon-title-block { flex: 1; }

.format-badge {
  display: inline-flex; align-items: center;
  padding: 4px 10px;
  background: var(--accent); color: #000;
  border-radius: 4px;
  font-family: 'DM Mono', monospace;
  font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 8px;
}
.metcon-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 36px; line-height: 1; letter-spacing: 0.02em;
}
.metcon-sub { font-size: 12px; color: var(--text-secondary); margin-top: 4px; font-family: 'DM Mono', monospace; }

.time-display { display: flex; flex-direction: column; align-items: flex-end; flex-shrink: 0; }
.time-number { font-family: 'Bebas Neue', sans-serif; font-size: 44px; line-height: 1; color: var(--accent); }
.time-unit { font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.15em; color: var(--text-secondary); text-transform: uppercase; }

.block-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent);
  padding: 12px 20px 6px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface-2);
}

/* Lignes d'exercices */
.movement-list { padding: 4px 0; }
.movement-item {
  display: flex; align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  transition: background var(--transition);
}
.movement-item:last-child { border-bottom: none; }
.movement-item:hover { background: var(--bg-surface-2); }

.mvt-num { font-family: 'DM Mono', monospace; font-size: 10px; color: var(--text-secondary); min-width: 14px; opacity: 0.5; }
.mvt-qty {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 24px; color: var(--accent);
  min-width: 62px; line-height: 1; white-space: nowrap;
}
.mvt-info { flex: 1; min-width: 0; }
.mvt-name { font-size: 15px; font-weight: 500; line-height: 1.2; }
.mvt-rx { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--text-muted); margin-top: 3px; }
.mvt-rx b { color: var(--accent); font-weight: 500; }

.mvt-tags { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex-shrink: 0; }
.mvt-cat {
  font-family: 'DM Mono', monospace;
  font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 7px; border-radius: 3px; white-space: nowrap;
}
.role-L { background: rgba(239,68,68,0.12); color: #f87171; }
.role-S { background: rgba(245,158,11,0.12); color: #fbbf24; }
.role-I { background: rgba(59,130,246,0.12); color: #60a5fa; }
.role-F { background: rgba(34,197,94,0.12); color: #4ade80; }
.role-T { background: rgba(6,182,212,0.12); color: #22d3ee; }

.eq-B { background: rgba(96,165,250,0.10); color: #60a5fa; }
.eq-H { background: rgba(74,222,128,0.10); color: #4ade80; }
.eq-K { background: rgba(52,211,153,0.10); color: #34d399; }
.eq-E { background: rgba(251,146,60,0.10); color: #fb923c; }
.eq-C { background: rgba(192,132,252,0.10); color: #c084fc; }
.eq-W { background: rgba(255,255,255,0.06); color: #d4d4d8; }

/* Échauffement */
.emom-list { padding: 4px 0; }
.emom-minute {
  display: flex; align-items: center;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  gap: 14px;
}
.emom-minute:last-child { border-bottom: none; }
.emom-min-label { font-family: 'DM Mono', monospace; font-size: 10px; color: var(--text-secondary); min-width: 40px; letter-spacing: 0.05em; }
.emom-content { flex: 1; }
.emom-line { font-size: 13px; color: var(--text-muted); }

.card-note {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-size: 12px; line-height: 1.5;
  color: var(--text-secondary); font-weight: 300;
}

/* ── ERREUR ── */
.error-card {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: var(--radius);
  padding: 16px 20px;
  color: #f87171; font-size: 13px; line-height: 1.5;
}

/* ── FAQ ── */
.faq-section { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.faq-title {
  font-family: 'DM Mono', monospace;
  font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px; font-weight: 400;
}
.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px; overflow: hidden;
}
.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 14px 16px;
  font-size: 13px; font-weight: 500;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  transition: background var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: 'DM Mono', monospace; font-size: 16px; color: var(--accent);
  flex-shrink: 0; transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { background: var(--bg-hover); }
.faq-item p { padding: 0 16px 16px; font-size: 13px; line-height: 1.6; color: var(--text-muted); font-weight: 300; }
.faq-item p a { color: var(--accent); }
.faq-item p a:hover { color: var(--accent-hover); }

/* ── FOOTER ── */
.page-footer {
  margin-top: 40px; padding: 16px 0 8px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  font-family: 'DM Mono', monospace;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-secondary);
}
.footer-sep { opacity: 0.4; }
.page-footer a { color: inherit; text-decoration: none; border-bottom: 1px dotted var(--text-secondary); }
.page-footer a:hover { color: var(--text); border-color: var(--text); }

/* ── BOUTON IMPRESSION ── */
.btn-print {
  display: none;
  align-items: center; justify-content: center; gap: 8px;
  width: 100%; min-height: 48px; margin-top: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-family: 'DM Mono', monospace;
  font-size: 12px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}
.btn-print.visible { display: flex; }
.btn-print:hover { border-color: var(--accent); color: var(--text); }

/* ── FEUILLE A4 (impression) ── */
#print-sheet { display: none; }

@media print {
  #app { display: none; }
  body::before { display: none; }

  #print-sheet {
    display: block;
    position: fixed; inset: 0;
    width: 210mm; height: 297mm;
    margin: 0; padding: 12mm;
    background: #fff; color: #000;
  }
  @page { size: A4; margin: 0; }

  .ps-wrap { display: flex; flex-direction: column; height: 100%; font-family: 'DM Sans', sans-serif; }

  .ps-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    border-bottom: 4px solid #000;
    padding-bottom: 8mm; margin-bottom: 6mm;
  }
  .ps-badge {
    display: inline-block;
    font-family: 'DM Mono', monospace; font-size: 14pt; font-weight: 600;
    letter-spacing: 0.1em; text-transform: uppercase;
    border: 3px solid #000; padding: 3mm 7mm;
  }
  .ps-headline { font-family: 'Bebas Neue', sans-serif; font-size: 44pt; line-height: 0.95; margin-top: 5mm; text-transform: uppercase; }
  .ps-sub { font-family: 'DM Mono', monospace; font-size: 12pt; margin-top: 3mm; color: #444; }
  .ps-time { text-align: right; flex-shrink: 0; margin-left: 8mm; }
  .ps-time-number { font-family: 'Bebas Neue', sans-serif; font-size: 60pt; line-height: 1; }
  .ps-time-unit { font-family: 'DM Mono', monospace; font-size: 12pt; letter-spacing: 0.1em; text-transform: uppercase; color: #444; }

  .ps-warm { font-size: 10.5pt; line-height: 1.4; color: #333; border: 1.5pt solid #bbb; padding: 3mm 4mm; margin-bottom: 4mm; }

  .ps-list { flex: 1; display: flex; flex-direction: column; justify-content: space-evenly; }
  .ps-item { display: flex; align-items: center; gap: 6mm; border-bottom: 1.5pt solid #ccc; padding: 2.5mm 0; }
  .ps-item:last-child { border-bottom: none; }
  .ps-qty { font-family: 'Bebas Neue', sans-serif; font-size: 32pt; line-height: 1; min-width: 36mm; flex-shrink: 0; }
  .ps-info { flex: 1; min-width: 0; }
  .ps-name { font-size: 18pt; font-weight: 600; line-height: 1.15; }
  .ps-rx { font-family: 'DM Mono', monospace; font-size: 11pt; color: #555; margin-top: 1mm; }
  .ps-cat {
    font-family: 'DM Mono', monospace; font-size: 10pt; letter-spacing: 0.06em; text-transform: uppercase;
    border: 2px solid #000; border-radius: 3mm; padding: 1mm 3mm; flex-shrink: 0;
  }

  .ps-footer {
    display: flex; align-items: center; justify-content: space-between;
    border-top: 1.5pt solid #000; padding-top: 5mm; margin-top: 5mm;
    font-family: 'DM Mono', monospace; font-size: 10pt; color: #555;
    letter-spacing: 0.08em; text-transform: uppercase;
  }
}

/* ── RESPONSIVE ── */
@media (min-width: 360px) {
  .equipment-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (min-width: 480px) {
  #app {
    padding-left: max(24px, env(safe-area-inset-left));
    padding-right: max(24px, env(safe-area-inset-right));
  }
}
@media (min-width: 768px) {
  header { padding: 48px 0 32px; }
  h1 { font-size: 80px; }
}