:root {
  --bg-page: #f4f6fb;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-hover: #f1f5f9;
  --border-color: #e2e8f0;
  --border-strong: #cbd5e1;
  --text-main: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #eff6ff;
  --emerald: #059669;
  --emerald-soft: #ecfdf5;
  --amber: #d97706;
  --amber-soft: #fffbeb;
  --rose: #e11d48;
  --rose-soft: #fff1f2;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06);
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 8px;
}

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

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

/* --- TOPBAR CLAIRE --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}

.brand-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.15rem;
}

.brand-title h1 {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-title p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.clocks-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.clock-pill {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 6px 13px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.clock-pill.active-tz {
  background: var(--primary-soft);
  border-color: #bfdbfe;
  color: var(--primary);
  font-weight: 600;
}

.clock-time {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-main);
}

.phase-badge {
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--emerald-soft);
  border: 1px solid #a7f3d0;
  color: var(--emerald);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* --- STRUCTURE PRINCIPALE AVEC SIDEBAR CHRONOLOGIQUE --- */
.app-shell {
  max-width: 1520px;
  margin: 0 auto;
  padding: 22px 24px 60px;
  display: grid;
  grid-template-columns: 265px 1fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
}

.sidebar {
  background: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 82px;
}

.sidebar-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 10px 10px 6px;
}

.tabs-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tab-btn {
  width: 100%;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 10px 12px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
}

.tab-btn-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tab-step {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
}

.tab-btn:hover {
  background: var(--bg-hover);
  color: var(--text-main);
}

.tab-btn.active {
  background: var(--primary-soft);
  border-color: #bfdbfe;
  color: var(--primary);
}

.tab-btn.active .tab-step {
  color: var(--primary);
  font-weight: 700;
}

.sidebar-divider {
  height: 1px;
  background: var(--border-color);
  margin: 14px 0;
}

.sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* --- BOUTONS --- */
.btn {
  border: 1px solid var(--border-color);
  background: #ffffff;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
  color: var(--text-main);
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #ffffff;
}

.btn-emerald {
  background: var(--emerald);
  border-color: var(--emerald);
  color: #ffffff;
}

.btn-emerald:hover {
  background: #047857;
  color: #ffffff;
}

.btn-amber {
  background: var(--amber);
  border-color: var(--amber);
  color: #ffffff;
}

.btn-amber:hover {
  background: #b45309;
  color: #ffffff;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.76rem;
  border-radius: 6px;
}

/* --- PANNEAUX & CARTES CLAIRES --- */
.main-content {
  min-width: 0;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.18s ease;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.page-title-bar h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.page-title-bar p {
  font-size: 0.86rem;
  color: var(--text-muted);
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.card-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 1150px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* --- KPI BOXES --- */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.kpi-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kpi-label {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-value {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
}

.kpi-sub {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* --- BLOCS HORAIRES --- */
.block-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: all 0.2s;
}

.block-card.current-block {
  background: var(--primary-soft);
  border-color: #93c5fd;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.08);
}

.block-time {
  font-size: 0.73rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.block-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 4px 0 6px;
}

/* --- LISTE DE TÂCHES --- */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.task-item {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.task-item:hover {
  background: #ffffff;
  border-color: var(--border-strong);
}

.task-item.done {
  opacity: 0.55;
  background: #f8fafc;
}

.task-item.done .task-text {
  text-decoration: line-through;
}

.task-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.task-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--emerald);
  cursor: pointer;
}

/* --- BADGES --- */
.badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.73rem;
  font-weight: 600;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.badge-project {
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid #bfdbfe;
}

.badge-online {
  background: var(--emerald-soft);
  color: var(--emerald);
  border: 1px solid #a7f3d0;
}

.badge-offline {
  background: var(--rose-soft);
  color: var(--rose);
  border: 1px solid #fecdd3;
}

.badge-warning {
  background: var(--amber-soft);
  color: var(--amber);
  border: 1px solid #fde68a;
}

/* --- FORMULAIRES AVEC LABELS CLAIRS --- */
.form-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 18px;
}

.form-box-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  align-items: end;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field-label {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  align-items: center;
}

.input, .select, .textarea {
  background: #ffffff;
  border: 1px solid var(--border-strong);
  color: var(--text-main);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-row .input, .form-row .select {
  width: auto;
}

.input:focus, .select:focus, .textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.textarea {
  min-height: 95px;
  resize: vertical;
}

/* --- CARTES SITES --- */
.site-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}

.site-card:hover {
  border-color: #93c5fd;
  box-shadow: var(--shadow-md);
}

.site-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: var(--bg-subtle);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

.site-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* --- TABLEAUX LISIBLES --- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: #ffffff;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

th, td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: #f8fafc;
}

code {
  background: #f1f5f9;
  color: #0f172a;
  padding: 2px 6px;
  border-radius: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
}

/* --- ZONE DE SORTIE IA & BIBLIOTHÈQUE --- */
.ai-output-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 16px;
  white-space: pre-wrap;
  font-size: 0.86rem;
  line-height: 1.65;
  max-height: 360px;
  overflow-y: auto;
  color: var(--text-main);
}

.lib-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lib-content {
  font-size: 0.81rem;
  color: var(--text-secondary);
  white-space: pre-wrap;
  max-height: 140px;
  overflow-y: auto;
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 10px;
  border-radius: 8px;
}

/* --- ÉCRAN DE CONNEXION SÉCURISÉ --- */
.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-overlay.hidden {
  display: none;
}

.login-card {
  width: 100%;
  max-width: 410px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 32px 28px 24px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

.login-brand {
  text-align: center;
  margin-bottom: 24px;
}

.login-brand h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.login-brand p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.password-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input-wrap .input {
  padding-right: 42px;
}

.btn-toggle-pwd {
  position: absolute;
  right: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 6px;
  border-radius: 6px;
  color: var(--text-muted);
}

.btn-toggle-pwd:hover {
  background: var(--bg-hover);
  color: var(--text-main);
}

.login-error {
  background: var(--rose-soft);
  border: 1px solid #fecdd3;
  color: var(--rose);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 8px;
  margin-top: 4px;
}

.login-footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.briefing-agent-card {
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
  border-color: #bfdbfe;
}

/* --- TOAST --- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0f172a;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.25);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: all 0.22s ease;
}

.toast.warn {
  background: #e11d48;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}