/* =========================================================
   Valentin THUILLIER — Admin Panel CSS
   Modern Glassmorphism & High-Contrast Dark/Light Admin UI
   ========================================================= */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.15);

  --accent-red: #ef4444;
  --accent-green: #10b981;
  --accent-purple: #7c3aed;
  --accent-orange: #f59e0b;

  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-hover: #f1f5f9;
  --surface-border: #e2e8f0;
  --surface-glass: rgba(255, 255, 255, 0.88);

  --text-main: #0f172a;
  --text-muted: #334155;
  --text-dim: #64748b;

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --sidebar-w: 260px;
  --topbar-h: 70px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="dark"] {
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.25);
  --accent-purple: #8b5cf6;

  --bg: #090d16;
  --surface: #111827;
  --surface-hover: #1f2937;
  --surface-border: #1f2937;
  --surface-glass: rgba(17, 24, 39, 0.85);

  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

button, input, textarea, select {
  font-family: inherit;
}

.hidden { display: none !important; }

/* ---------- LOGIN SCREEN ---------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: radial-gradient(circle at 50% 20%, rgba(59, 130, 246, 0.12), transparent 70%), var(--bg);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.flag-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1c3f94 0%, #c8313a 100%);
}

.login-header h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
}

.login-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  background: var(--bg);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  text-transform: none;
  font-size: 0.9rem;
  color: var(--text-main);
}

.checkbox-group input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s var(--ease);
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-secondary {
  background: var(--surface-hover);
  color: var(--text-main);
  border: 1px solid var(--surface-border);
}
.btn-secondary:hover {
  border-color: var(--text-muted);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
  background: var(--accent-red);
  color: #fff;
}

.btn-block { width: 100%; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.8rem; }

.error-msg {
  color: var(--accent-red);
  font-size: 0.85rem;
  margin-top: 1rem;
  text-align: center;
}

.login-footer {
  margin-top: 1.5rem;
  text-align: center;
}
.link-back {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
}
.link-back:hover { color: var(--text-main); }

/* ---------- APP LAYOUT ---------- */
.admin-app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--surface-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 100;
}

.sidebar-brand {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  border-bottom: 1px solid var(--surface-border);
}

.brand-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: #fff;
  font-weight: 700;
  display: grid;
  place-items: center;
  font-family: var(--font-heading);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 0.95rem;
  font-weight: 700;
}

.brand-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sidebar-nav {
  padding: 1.2rem 0.8rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.nav-item svg {
  width: 18px; height: 18px;
}

.nav-item:hover {
  background: var(--surface-hover);
  color: var(--text-main);
}

.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary);
  font-weight: 600;
}

.nav-item .badge {
  margin-left: auto;
  background: var(--accent-red);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 10px;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--surface-border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-sidebar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-sidebar svg { width: 16px; height: 16px; }
.btn-sidebar:hover { background: var(--surface-hover); color: var(--text-main); }
.btn-sidebar.danger:hover { color: var(--accent-red); }

.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: var(--topbar-h);
  padding: 0 2rem;
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--surface-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.page-title h1 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
}

.page-title p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.btn-icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--surface-border);
  background: var(--surface);
  color: var(--text-main);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: border-color 0.2s;
}

.btn-icon svg { width: 18px; height: 18px; }
.btn-icon:hover { border-color: var(--text-muted); }

.content-body {
  padding: 2rem;
  flex: 1;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.3s var(--ease);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- DASHBOARD STATS ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
}
.stat-icon svg { width: 24px; height: 24px; }

.stat-icon.blue { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.stat-icon.green { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.stat-icon.orange { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }

.stat-data { display: flex; flex-direction: column; }
.stat-value { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); }

.overview-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* ---------- CARDS & LISTS ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
}

.action-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1.5rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.items-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.items-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.admin-item-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.admin-item-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.admin-item-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.admin-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.tag-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--bg);
  border: 1px solid var(--surface-border);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.admin-item-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ---------- MESSAGES ---------- */
.messages-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.message-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  position: relative;
  transition: border-color 0.2s;
}

.message-card.unread {
  border-left: 4px solid var(--primary);
  background: rgba(59, 130, 246, 0.03);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.8rem;
}

.message-sender h4 { font-size: 1rem; font-weight: 700; }
.message-sender a { color: var(--primary); text-decoration: none; font-size: 0.85rem; }
.message-date { font-size: 0.78rem; color: var(--text-dim); font-family: var(--font-mono); }

.message-body {
  font-size: 0.92rem;
  color: var(--text-main);
  white-space: pre-wrap;
  background: var(--bg);
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

/* ---------- MODALS ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  z-index: 1000;
  padding: 1.5rem;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.8rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.modal-lg { max-width: 720px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.4rem;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
}

.btn-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}
.btn-close:hover { color: var(--text-main); }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.8rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--surface-border);
}

/* ---------- TOASTS ---------- */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.toast {
  background: var(--surface);
  color: var(--text-main);
  border: 1px solid var(--surface-border);
  border-left: 4px solid var(--primary);
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  font-size: 0.88rem;
  animation: slideIn 0.3s var(--ease);
}

.toast.success { border-left-color: var(--accent-green); }
.toast.error { border-left-color: var(--accent-red); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 900px) {
  .sidebar { width: 80px; }
  .sidebar-brand .brand-info,
  .nav-item span:not(.badge),
  .sidebar-footer span { display: none; }
  .sidebar-brand { justify-content: center; padding: 1rem 0; }
  .main-content { margin-left: 80px; }
  .overview-content-grid { grid-template-columns: 1fr; }
  .form-grid-2 { grid-template-columns: 1fr; }
}

/* ---------- ANALYTICS ---------- */
.analytics-bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 180px;
  padding-top: 1rem;
}

.analytics-bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: 0.4rem;
}

.analytics-bar {
  width: 100%;
  min-height: 4px;
  background: var(--blue, #3b82f6);
  border-radius: 4px 4px 0 0;
  transition: height 0.3s var(--ease, ease);
}

.analytics-bar-label {
  font-size: 0.65rem;
  color: var(--text-dim);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
}

.device-breakdown {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.device-bar-row {
  display: grid;
  grid-template-columns: 90px 1fr 42px;
  align-items: center;
  gap: 0.8rem;
}

.device-bar-label { font-size: 0.85rem; color: var(--text-muted); }

.device-bar-track {
  height: 8px;
  border-radius: 4px;
  background: var(--surface-border);
  overflow: hidden;
}

.device-bar-fill {
  height: 100%;
  background: var(--blue, #3b82f6);
  border-radius: 4px;
  transition: width 0.3s var(--ease, ease);
}

.device-bar-pct {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: right;
}

/* ---------- REPEATER ROWS (socials / languages) ---------- */
.repeater-row {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 0.6rem;
}

.repeater-row input,
.repeater-row select {
  flex: 1;
  min-width: 0;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  background: var(--input-bg, var(--surface));
  color: var(--text-main);
  font-size: 0.85rem;
}

.repeater-row .lang-value { flex: 0 0 90px; }
.repeater-row .social-icon { flex: 0 0 120px; }