/* ============================================================
   admin.css — Admin Panel for Onboarding AI Assistant
   Design: indigo primary, matching main app design system
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ─── Variables ─────────────────────────────────────────────── */
:root {
  --primary:        #4f46e5;
  --primary-dark:   #4338ca;
  --primary-light:  #e0e7ff;
  --primary-bg:     #eef2ff;
  --success:        #10b981;
  --success-bg:     #d1fae5;
  --warning:        #f59e0b;
  --warning-bg:     #fef3c7;
  --danger:         #ef4444;
  --danger-bg:      #fee2e2;

  --gray-50:  #f9fafb; --gray-100: #f3f4f6; --gray-200: #e5e7eb;
  --gray-300: #d1d5db; --gray-400: #9ca3af; --gray-500: #6b7280;
  --gray-600: #4b5563; --gray-700: #374151; --gray-800: #1f2937;
  --gray-900: #111827;

  --sidebar-bg:    #1a1740;
  --sidebar-hover: rgba(255,255,255,0.07);
  --surface:       #f5f7fb;
  --card:          #ffffff;
  --font:          'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius:        0.5rem;
  --radius-lg:     0.75rem;
  --shadow:        0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-lg:     0 10px 25px rgba(0,0,0,0.12);
}

/* ─── Dark Mode ─────────────────────────────────────────────── */
[data-theme="dark"] {
  --gray-50:  #1a1a2e; --gray-100: #16213e; --gray-200: #2a2a4a;
  --gray-300: #3a3a5c; --gray-400: #8888a8; --gray-500: #a0a0b8;
  --gray-600: #c0c0d0; --gray-700: #d4d4e0; --gray-800: #e8e8f0;
  --gray-900: #f0f0f5;

  --surface:       #0f0f1a;
  --card:          #1a1a2e;
  --sidebar-bg:    #0d0d1a;
  --shadow:        0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-lg:     0 10px 25px rgba(0,0,0,0.4);
  --primary-bg:    rgba(79, 70, 229, 0.15);
  --primary-light: rgba(79, 70, 229, 0.25);
  --success-bg:    rgba(16, 185, 129, 0.15);
  --warning-bg:    rgba(245, 158, 11, 0.15);
  --danger-bg:     rgba(239, 68, 68, 0.15);
}

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

body {
  font-family: var(--font);
  background: var(--surface);
  color: var(--gray-800);
  display: flex;
  min-height: 100vh;
  font-size: 0.9375rem;
  line-height: 1.5;
}

/* ─── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1.25rem;
  font-weight: 700;
  font-size: 1.0625rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-nav {
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  border: none;
  background: none;
  color: rgba(255,255,255,0.65);
  font-size: 0.9375rem;
  font-family: var(--font);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  width: 100%;
  text-align: left;
}
.nav-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-item.active { background: rgba(255,255,255,0.13); color: #fff; font-weight: 600; }

.sidebar-back {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.8125rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  transition: color 0.15s;
}
.sidebar-back:hover { color: #fff; }

/* ─── Main ──────────────────────────────────────────────────── */
.main {
  flex: 1;
  margin-left: 240px;
  padding: 2rem 2.5rem;
  min-height: 100vh;
}

.section { display: none; }
.section.active { display: block; }

.section-title {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0;
}
.section-header .section-title { margin-bottom: 0; }

/* ─── Stats Grid ────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
}

.stat-card[data-color="primary"] .stat-value { color: var(--primary); }
.stat-card[data-color="success"] .stat-value { color: var(--success); }
.stat-card[data-color="warning"] .stat-value { color: var(--warning); }
.stat-card[data-color="info"]    .stat-value { color: #3b82f6; }

/* ─── Table ─────────────────────────────────────────────────── */
.table-wrap {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-top: 1.25rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
}
.table th {
  background: var(--gray-50);
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--gray-200);
}
.table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.9375rem;
  color: var(--gray-700);
  vertical-align: middle;
}
.table tbody tr:hover { background: var(--gray-50); }
.table tbody tr:last-child td { border-bottom: none; }

.token-cell {
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.8125rem;
  background: var(--gray-100);
  padding: 0.2rem 0.5rem;
  border-radius: 0.25rem;
  cursor: pointer;
  display: inline-block;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.token-cell:hover { background: var(--primary-light); }

.progress-bar-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  overflow: hidden;
  min-width: 60px;
}
.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.3s;
}
.progress-text {
  font-size: 0.8125rem;
  color: var(--gray-500);
  white-space: nowrap;
}

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
}
.btn-ghost:hover { background: var(--gray-100); }

.btn-sm {
  padding: 0.3rem 0.625rem;
  font-size: 0.8125rem;
}

.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-edit { background: var(--primary-bg); color: var(--primary); }
.btn-edit:hover { background: var(--primary); color: #fff; }

.actions-cell {
  display: flex;
  gap: 0.375rem;
}

/* ─── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  animation: modalIn 0.2s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(-10px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gray-200);
}
.modal-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
}
.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--gray-400);
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover { color: var(--gray-700); }

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* ─── Form ──────────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-700);
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--gray-800);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ─── Toast ─────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.25s ease, toastOut 0.3s ease 2.7s forwards;
  max-width: 360px;
}
.toast.success { background: var(--success); color: #fff; }
.toast.error   { background: var(--danger); color: #fff; }
.toast.info    { background: var(--primary); color: #fff; }

@keyframes toastIn  { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateX(20px); } }

/* ─── Empty state ───────────────────────────────────────────── */
.empty-row td {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--gray-400);
  font-style: italic;
}

/* ─── Theme toggle ──────────────────────────────────────────── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0 auto 0.5rem;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  transition: all 0.2s;
}
.theme-toggle:hover { background: rgba(255,255,255,0.12); color: #fff; }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* ─── Dark mode form overrides ──────────────────────────────── */
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea,
[data-theme="dark"] .form-group select {
  background: var(--gray-50);
  border-color: var(--gray-300);
  color: var(--gray-800);
}

[data-theme="dark"] .token-cell {
  background: var(--gray-200);
  color: var(--gray-700);
}

[data-theme="dark"] .modal {
  background: var(--card);
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
  border-color: var(--gray-200);
}

/* ─── Login ─────────────────────────────────────────────────── */
.login-screen {
  position: fixed;
  inset: 0;
  background: var(--sidebar-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.login-screen.hidden { display: none; }

.login-box {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  width: 90%;
  max-width: 380px;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  color: var(--primary);
}
.login-logo h1 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--gray-900);
}

.login-btn {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
  font-size: 0.9375rem;
}

.login-error {
  color: var(--danger);
  font-size: 0.8125rem;
  min-height: 1.25rem;
  text-align: center;
}

[data-theme="dark"] .login-logo h1 { color: var(--gray-800); }

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-brand span,
  .nav-item span,
  .sidebar-back span { display: none; }
  .nav-item { justify-content: center; padding: 0.75rem; }
  .sidebar-brand { justify-content: center; padding: 1rem; }
  .main { margin-left: 60px; padding: 1.5rem 1rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}