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

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #0f3460;
  --bg-input: #1a1a2e;
  --text-primary: #e4e4e4;
  --text-secondary: #a0a0b0;
  --accent: #0ea5e9;
  --accent-hover: #38bdf8;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
  --border: #2a2a4a;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  width: 100%;
}
.btn:active { transform: scale(0.98); }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; width: auto; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--border); color: var(--text-primary); }
.btn-secondary:hover { background: #3a3a5a; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-icon { background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; padding: 4px 8px; }

/* === Forms === */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 0.875rem; color: var(--text-secondary); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* === Auth page === */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}
.auth-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 32px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow);
}
.logo { font-size: 1.8rem; text-align: center; margin-bottom: 4px; }
.tagline { text-align: center; color: var(--text-secondary); margin-bottom: 24px; font-size: 0.9rem; }
.auth-card h2 { margin-bottom: 16px; font-size: 1.2rem; }
.switch-link { text-align: center; margin-top: 16px; font-size: 0.875rem; color: var(--text-secondary); }
.error-msg { background: rgba(239,68,68,0.15); color: var(--danger); padding: 10px 14px; border-radius: var(--radius); margin-bottom: 12px; font-size: 0.875rem; }
.pwd-criteria { display: flex; flex-wrap: wrap; gap: 6px 12px; margin-top: 6px; font-size: 0.8rem; }
.pwd-criteria span { color: var(--danger); transition: color 0.2s; }
.pwd-criteria span.ok { color: var(--success); }

/* === App layout === */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
  border-bottom: 1px solid var(--border);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-title { font-size: 1.1rem; font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.user-display { font-size: 0.85rem; color: var(--text-secondary); }

.sidebar {
  position: fixed;
  top: 56px;
  left: 0;
  bottom: 0;
  width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 12px 0;
  z-index: 90;
  transition: transform 0.3s;
}
.sidebar.hidden { transform: translateX(-100%); }
.nav-link {
  display: block;
  padding: 12px 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: background 0.2s, color 0.2s;
}
.nav-link:hover, .nav-link.active {
  background: rgba(14,165,233,0.1);
  color: var(--accent);
}

.main-content {
  margin-top: 56px;
  margin-left: 220px;
  padding: 24px;
  min-height: calc(100vh - 56px);
}

.section { max-width: 900px; }
.section h2 { margin-bottom: 16px; font-size: 1.4rem; }

/* === KPI Grid === */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-bottom: 24px; }
.kpi-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
}
.kpi-value { font-size: 2rem; font-weight: 700; color: var(--accent); }
.kpi-label { font-size: 0.85rem; color: var(--text-secondary); margin-top: 4px; }

.placeholder-msg { color: var(--text-secondary); font-style: italic; }

/* === Section header === */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.section-header h2, .section-header h3 { margin-bottom: 0; }

/* === Cards === */
.card-clickable {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.1s;
  border: 1px solid var(--border);
}
.card-clickable:hover { border-color: var(--accent); transform: translateY(-1px); }
.card-header { margin-bottom: 6px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: var(--text-secondary); }
.card-footer { margin-top: 8px; font-size: 0.8rem; color: var(--text-secondary); display: flex; gap: 8px; align-items: center; }

.site-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
  border: 1px solid var(--border);
}

/* === Badges === */
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.7rem; font-weight: 700; vertical-align: middle; margin-left: 6px; }
.badge-pro { background: rgba(14,165,233,0.2); color: var(--accent); }
.badge-part { background: rgba(34,197,94,0.2); color: var(--success); }

/* === Detail view === */
.detail-header { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.detail-header h3 { flex: 1; margin: 0; }
.detail-actions { display: flex; gap: 8px; }
.detail-info { background: var(--bg-card); border-radius: var(--radius); padding: 16px; margin-bottom: 20px; }
.info-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); }
.info-row:last-child { border-bottom: none; }
.info-label { color: var(--text-secondary); font-size: 0.85rem; }

/* === Modal === */
.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6); z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.modal-card h3 { margin-bottom: 16px; }
.form-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 16px; }

/* === Equipments === */
.badge-equip { background: var(--accent); color: #fff; }
.card-alerts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.alert-badge { font-size: 0.75rem; padding: 2px 8px; border-radius: 12px; font-weight: 600; }
.alert-badge.alert-warning { background: var(--warning); color: #000; }
.alert-badge.alert-critical { background: var(--danger); color: #fff; }
.detail-alerts { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.alert-msg { padding: 8px 12px; border-radius: var(--radius); font-size: 0.9rem; }
.alert-msg.alert-warning { background: rgba(245,158,11,0.15); border: 1px solid var(--warning); color: var(--warning); }
.alert-msg.alert-critical { background: rgba(239,68,68,0.15); border: 1px solid var(--danger); color: var(--danger); }
.tco2-preview { font-size: 0.85rem; color: var(--text-secondary); padding: 4px 0; min-height: 1.5em; }
.tco2-preview.tco2-warning { color: var(--warning); font-weight: 600; }
.info-section { margin-top: 16px; }
.info-section h4 { margin-bottom: 8px; color: var(--accent); }

/* === Interventions === */
.badge-status { font-size: 0.75rem; }
.badge-brouillon { background: var(--border); color: var(--text-secondary); }
.badge-en_cours { background: var(--accent); color: #fff; }
.badge-terminee { background: var(--warning); color: #000; }
.badge-signee { background: var(--success); color: #fff; }

.modal-card-wide { max-width: 640px; }

.form-section-title {
  font-size: 0.9rem;
  color: var(--accent);
  margin: 16px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 12px;
  margin: 12px 0;
}
.calc-item { display: flex; flex-direction: column; align-items: center; }
.calc-label { font-size: 0.75rem; color: var(--text-secondary); }
.calc-value { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.calc-ok { color: var(--success); }
.calc-warning { color: var(--warning); }
.calc-critical { color: var(--danger); }

.checks-group { display: flex; flex-wrap: wrap; gap: 12px; margin: 12px 0; }
.check-label { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; cursor: pointer; }
.check-label input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }

.radio-group { display: flex; gap: 16px; margin: 4px 0 8px; }
.radio-group label { display: flex; align-items: center; gap: 4px; cursor: pointer; font-size: 0.9rem; }
.radio-group input[type="radio"] { accent-color: var(--accent); }

.signature-section { margin-top: 20px; }
.signature-section h4 { color: var(--accent); margin-bottom: 12px; }
.sig-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sig-block { display: flex; flex-direction: column; gap: 6px; }
.sig-block label { font-size: 0.85rem; color: var(--text-secondary); }
.sig-canvas {
  width: 100%;
  height: 150px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: crosshair;
  touch-action: none;
}
.sig-img { max-width: 100%; height: 120px; background: var(--bg-input); border-radius: var(--radius); }

.photo-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.photo-thumb { width: 100px; height: 100px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--border); }

.upload-section h4 { color: var(--accent); margin-bottom: 8px; }

/* === AI Section === */
.ai-section { margin-top: 16px; }
.ai-section h4 { color: var(--accent); margin-bottom: 12px; }
.ai-diagnostic { background: var(--bg-secondary); border-radius: var(--radius); padding: 12px; margin-bottom: 12px; }
.ai-rapport { margin-top: 12px; }
.ai-rapport-content { background: var(--bg-secondary); border-radius: var(--radius); padding: 16px; font-size: 0.9rem; line-height: 1.6; max-height: 400px; overflow-y: auto; }
.ai-rapport-content h3, .ai-rapport-content h4, .ai-rapport-content h5 { color: var(--accent); margin: 12px 0 8px; }
.ai-status { padding: 8px 12px; border-radius: var(--radius); margin-top: 8px; font-size: 0.85rem; background: var(--bg-secondary); color: var(--text-secondary); }
.ai-error { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

/* === OCR Status === */
.ocr-status { display: inline-block; margin-left: 8px; font-size: 0.85rem; color: var(--text-secondary); }
.ocr-success { color: var(--success); }
.ocr-error { color: var(--danger); }

/* === Offline Indicator === */
.offline-indicator { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; white-space: nowrap; }
.indicator-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.indicator-online { background: rgba(34,197,94,0.15); color: var(--success); }
.indicator-online .indicator-dot { background: var(--success); }
.indicator-offline { background: rgba(239,68,68,0.15); color: var(--danger); }
.indicator-offline .indicator-dot { background: var(--danger); animation: pulse-dot 1.5s infinite; }
.indicator-syncing { background: rgba(245,158,11,0.15); color: var(--warning); }
.indicator-syncing .indicator-dot { background: var(--warning); animation: pulse-dot 0.8s infinite; }
.indicator-error { background: rgba(239,68,68,0.15); color: var(--danger); }
.indicator-error .indicator-dot { background: var(--danger); }
.indicator-pending { background: rgba(245,158,11,0.15); color: var(--warning); }
.indicator-pending .indicator-dot { background: var(--warning); }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* === Bouteilles === */
.bouteille-gauge { position: relative; background: var(--bg-secondary); border-radius: var(--radius); height: 24px; margin: 8px 0; overflow: hidden; }
.bouteille-gauge.gauge-lg { height: 32px; margin: 12px 0; }
.gauge-bar { height: 100%; background: linear-gradient(90deg, var(--accent), var(--success)); border-radius: var(--radius); transition: width 0.3s; }
.gauge-label { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 0.75rem; font-weight: bold; color: var(--text-primary); text-shadow: 0 1px 2px rgba(0,0,0,0.5); }
.qr-badge { font-family: monospace; font-size: 0.8rem; }

.mouvement-form .form-row { display: flex; gap: 8px; align-items: flex-end; }
.mouvement-form .form-row select,
.mouvement-form .form-row input { flex: 1; }

.mouvements-list { display: flex; flex-direction: column; gap: 8px; }
.mouvement-item { display: flex; align-items: center; gap: 12px; padding: 8px 12px; background: var(--bg-secondary); border-radius: var(--radius); }

.data-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.data-table th { background: var(--bg-card); padding: 8px 12px; text-align: left; font-size: 0.85rem; color: var(--text-secondary); }
.data-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.text-ok { color: var(--success); }
.text-warning { color: var(--warning); }

/* === Mobile === */
/* === Dashboard Recent & Onboarding === */
.recent-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; background: var(--bg-card); border-radius: var(--radius); margin-bottom: 8px; gap: 12px; }
.recent-info { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 0.9rem; }
.recent-type { font-weight: 700; color: var(--accent); min-width: 60px; }
.recent-meta { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; white-space: nowrap; }
.text-secondary { color: var(--text-secondary); }
.onboarding-card { background: var(--bg-card); border: 2px solid var(--accent); border-radius: var(--radius); padding: 20px; margin-bottom: 24px; }
.onboarding-card h3 { margin-bottom: 4px; }
.onboarding-steps { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; }
.onboarding-step { display: flex; align-items: center; gap: 12px; padding: 8px 12px; background: var(--bg-secondary); border-radius: var(--radius); }
.step-icon { width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; background: var(--border); border-radius: 50%; font-weight: 700; font-size: 0.85rem; flex-shrink: 0; }
.step-icon.step-done { background: var(--success); color: #fff; }
.onboarding-step span:nth-child(2) { flex: 1; }
.success-msg { background: rgba(34,197,94,0.15); color: var(--success); padding: 10px 14px; border-radius: var(--radius); margin-bottom: 12px; font-size: 0.875rem; }

/* === Settings & Pricing === */
.settings-card { background: var(--bg-card); border-radius: var(--radius); padding: 16px; margin: 12px 0; }
.settings-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.settings-row:last-child { border-bottom: none; }
.settings-label { color: var(--text-secondary); font-size: 14px; }
.plan-badge { padding: 4px 12px; border-radius: 20px; font-size: 13px; font-weight: 600; }
.plan-free { background: var(--border); color: var(--text-secondary); }
.plan-premium { background: linear-gradient(135deg, #f59e0b, #ef4444); color: #fff; }
.plan-badge-sm { padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; vertical-align: middle; }
.usage-bar-container { height: 8px; background: var(--border); border-radius: 4px; margin-bottom: 4px; overflow: hidden; }
.usage-bar { height: 100%; background: var(--accent); border-radius: 4px; transition: width 0.3s; }
.pricing-section { text-align: center; }
.pricing-card { background: var(--bg-card); border: 2px solid var(--accent); border-radius: var(--radius); padding: 24px; max-width: 400px; margin: 16px auto; }
.pricing-price { font-size: 36px; font-weight: 700; color: var(--accent); }
.pricing-period { font-size: 16px; color: var(--text-secondary); font-weight: 400; }
.pricing-features { list-style: none; text-align: left; margin: 16px 0; }
.pricing-features li { padding: 6px 0; }
.pricing-features li::before { content: '\2713'; color: var(--success); margin-right: 8px; font-weight: 700; }
.plan-features ul { list-style: none; margin: 8px 0; }
.plan-features li { padding: 4px 0; }
.plan-features li::before { content: '\2713'; color: var(--success); margin-right: 8px; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .mouvement-form .form-row { flex-direction: column; }
  .mouvement-item { flex-wrap: wrap; }
  .settings-row { flex-direction: column; align-items: flex-start; gap: 4px; }
}