:root {
  --bg: #0f0f10;
  --bg-2: #18181b;
  --surface: #1f1f23;
  --surface-2: #28282d;
  --border: #2a2a2f;
  --border-strong: #3a3a40;
  --ink: #f5f5f0;
  --ink-muted: #a0a0a0;
  --accent: #3ea8ff;
  --accent-2: #f7bd00;
  --danger: #ff5252;
  --success: #4ade80;
  --font-display: "Source Serif 4", "Inter", -apple-system, sans-serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.app { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }

.sidebar {
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
}
.brand-logo {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--accent);
}
.brand-tagline {
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 6px;
}
.nav { margin-top: 32px; display: flex; flex-direction: column; gap: 4px; }
.nav button {
  background: transparent;
  border: none;
  color: var(--ink-muted);
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  border-left: 2px solid transparent;
}
.nav button:hover { color: var(--ink); }
.nav button.active {
  color: var(--accent);
  background: var(--surface);
  border-left-color: var(--accent);
}
.foot { margin-top: auto; padding-top: 24px; border-top: 1px solid var(--border); }
.foot-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.foot-stack { font-size: 12px; color: var(--ink); margin-top: 4px; font-family: var(--font-mono); }

.main { padding: 32px 40px; max-width: 1400px; width: 100%; }
.view { display: none; }
.view.active { display: block; }

.view-head { margin-bottom: 32px; }
.kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}
h1 {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-weight: 700;
}
.day-summary { font-size: 13px; color: var(--ink-muted); margin-top: 8px; }
.day-summary .pivot { color: var(--accent); }
.day-summary .sep { margin: 0 8px; color: var(--border-strong); }

.btn {
  padding: 10px 18px;
  background: var(--accent);
  color: white;
  border: none;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.btn:hover { background: #5db5ff; }
.btn:disabled { background: #555; cursor: not-allowed; opacity: 0.6; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #ff7474; }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--ink);
}
.btn.ghost:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.projets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.projet-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}
.projet-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.projet-mat { font-family: var(--font-mono); font-size: 11px; color: var(--accent); font-weight: 700; }
.projet-nom { font-size: 17px; font-weight: 600; margin-top: 8px; }
.projet-meta { font-size: 12px; color: var(--ink-muted); margin-top: 8px; }
.projet-statut {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-top: 10px;
}
.projet-statut.questionnaire { background: rgba(247, 189, 0, 0.15); color: var(--accent-2); }
.projet-statut.matching { background: rgba(62, 168, 255, 0.15); color: var(--accent); }
.projet-statut.edition { background: rgba(74, 222, 128, 0.15); color: var(--success); }
.projet-statut.valide, .projet-statut.exporte { background: rgba(74, 222, 128, 0.25); color: var(--success); }

.step-progress {
  display: flex;
  gap: 4px;
  margin-top: 12px;
}
.step-progress span {
  flex: 1;
  height: 3px;
  background: var(--border);
}
.step-progress span.done { background: var(--success); }
.step-progress span.current { background: var(--accent); }

.step-body { max-width: 720px; }
.step-section { margin-bottom: 24px; }
.step-section h3 { font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.step-section label { display: block; font-size: 13px; color: var(--ink-muted); margin-bottom: 6px; }

.fld input, .fld textarea, .fld select {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--ink);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  width: 100%;
}
.fld { margin-bottom: 14px; }
.fld textarea { min-height: 80px; resize: vertical; font-family: var(--font-body); }

.step-actions { display: flex; gap: 10px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); }

.slider-row { margin-bottom: 18px; }
.slider-labels { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-muted); margin-bottom: 4px; }
.slider-row input[type="range"] { width: 100%; }

.sector-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; margin-top: 10px; }
.sector-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 12px 14px;
  cursor: pointer;
  font-size: 13px;
  transition: border-color 0.15s, background 0.15s;
}
.sector-card:hover { border-color: var(--accent); }
.sector-card.selected { background: rgba(62, 168, 255, 0.1); border-color: var(--accent); }

.chartes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; margin-top: 20px; }
.charte-prop {
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.15s, transform 0.15s;
}
.charte-prop:hover { border-color: var(--accent); transform: translateY(-2px); }
.charte-prop.selected { border-color: var(--success); box-shadow: 0 0 0 2px var(--success); }
.charte-prop img { width: 100%; height: 180px; object-fit: cover; object-position: top center; display: block; }
.charte-prop-info { padding: 14px; }
.charte-prop-nom { font-size: 14px; font-weight: 600; }
.charte-prop-score { font-family: var(--font-mono); font-size: 11px; color: var(--accent); margin-top: 4px; }

.pages-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; margin-top: 18px; }
.page-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 16px;
}
.page-card.generated { border-color: var(--success); }
.page-card .page-label { font-weight: 600; font-size: 14px; }
.page-card .page-status {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 6px;
}
.page-card.generated .page-status { color: var(--success); }
.page-card .page-actions { margin-top: 12px; display: flex; gap: 6px; }
.page-card .btn { font-size: 12px; padding: 6px 12px; }

.preview-iframe {
  width: 100%;
  height: 600px;
  border: 1px solid var(--border-strong);
  background: white;
  margin-top: 16px;
}

.gen-log {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  max-height: 200px;
  overflow-y: auto;
  margin-top: 12px;
}

.credit {
  margin-top: 80px;
  font-size: 11px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  display: flex;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.detail-section {
  background: var(--surface);
  border: 1px solid var(--border);
  margin-top: 20px;
  padding: 20px;
}
.detail-section h3 { font-size: 16px; font-weight: 600; margin-bottom: 14px; }

.empty {
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  padding: 32px;
  text-align: center;
  color: var(--ink-muted);
  font-size: 13px;
}

.warning {
  background: rgba(247, 189, 0, 0.1);
  border: 1px solid var(--accent-2);
  padding: 12px 16px;
  margin: 14px 0;
  font-size: 13px;
}