/* ══════════════════════════════════════════════════════════
   COMPONENTS — Buttons, Cards, Forms, Tables, Badges, etc.
   ══════════════════════════════════════════════════════════ */

/* ── Buttons ───────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:0.5rem 1.15rem;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);border-radius:var(--radius-md);border:1px solid transparent;transition:all var(--transition-base);white-space:nowrap;line-height:1.5;outline:none}
.btn:focus-visible{box-shadow:0 0 0 3px rgba(59,130,246,0.3)}
.btn i{width:16px;height:16px;flex-shrink:0}
.btn-primary{position:relative;overflow:hidden;background:var(--gradient-blue);color:#fff;border-color:transparent;box-shadow:var(--shadow-sm)}
.btn-primary::after{content:'';position:absolute;top:50%;left:50%;width:120%;padding-top:120%;background:radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);transform:translate(-50%, -50%) scale(0);transition:transform 0.4s var(--ease-out), opacity 0.4s;border-radius:50%;opacity:0;pointer-events:none}
.btn-primary:hover{filter:brightness(1.12);box-shadow:var(--shadow-md),var(--shadow-glow-blue);transform:translateY(-1px)}
.btn-primary:hover::after{transform:translate(-50%, -50%) scale(1);opacity:1}

.btn-gold{position:relative;overflow:hidden;background:var(--gradient-gold);color:#fff;border-color:transparent;box-shadow:var(--shadow-sm), var(--shadow-glow-gold)}
.btn-gold::after{content:'';position:absolute;top:50%;left:50%;width:120%;padding-top:120%;background:radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);transform:translate(-50%, -50%) scale(0);transition:transform 0.4s var(--ease-out), opacity 0.4s;border-radius:50%;opacity:0;pointer-events:none}
.btn-gold:hover{filter:brightness(1.15);box-shadow:var(--shadow-md),var(--shadow-glow-gold);transform:translateY(-1px)}
.btn-gold:hover::after{transform:translate(-50%, -50%) scale(1);opacity:1}

.btn-secondary{background:var(--bg-surface);color:var(--text-primary);border-color:var(--border-light)}
.btn-secondary:hover{background:var(--bg-surface-hover);border-color:var(--accent-gold);color:var(--accent-gold)}
.btn-danger{background:var(--accent-red);color:#fff}
.btn-danger:hover{background:var(--accent-red-hover);box-shadow:var(--shadow-glow-red)}
.btn-warning{background:var(--accent-amber);color:#1e293b}
.btn-warning:hover{filter:brightness(1.1);box-shadow:var(--shadow-glow-amber)}
.btn-success{background:#059669;color:#fff}
.btn-success:hover{background:#047857;box-shadow:var(--shadow-glow-green)}
.btn-ghost{background:transparent;color:var(--text-secondary);border:none;padding:0.4rem 0.75rem}
.btn-ghost:hover{color:var(--text-primary);background:var(--bg-surface)}
.btn-sm{padding:0.3rem 0.75rem;font-size:var(--font-size-xs)}
.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--radius-md)}
.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}
.btn-group{display:flex;gap:var(--space-2)}

/* ── Glow Buttons (Alumnos) ── */
.btn-glow {
  position: relative;
  z-index: 1;
}
.btn-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: inherit;
  border-radius: inherit;
  filter: blur(10px);
  opacity: 0.5;
  z-index: -1;
  transition: all var(--transition-base);
}
.btn-glow:hover::before {
  opacity: 0.8;
  filter: blur(16px);
  inset: -3px;
}

/* ── Interactive animations (active state) ── */
.btn:active{transform:translateY(2px) scale(0.95) !important; filter:brightness(0.90); box-shadow:none !important; transition:all 50ms cubic-bezier(0.4, 0, 0.2, 1);}

/* ── Icon Micro-interactions ── */
.btn .material-symbols-outlined, .btn i { transition: transform 0.25s var(--ease-out); }
.btn:hover .material-symbols-outlined, .btn:hover i { transform: scale(1.12); }
.btn-primary:hover .material-symbols-outlined { transform: translateX(3px) scale(1.15); }
.btn-success:hover .material-symbols-outlined { transform: rotate(-8deg) scale(1.15); }
/* ── Cards ─────────────────────────────────────────────── */
.card{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-lg);padding:var(--space-6);transition:all 0.4s cubic-bezier(0.16, 1, 0.3, 1);position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);pointer-events:none}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4);gap:var(--space-3)}
.card-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--text-primary)}

/* Stat Cards */
.stat-card{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:var(--space-6);position:relative;overflow:hidden;transition:all 0.5s cubic-bezier(0.16, 1, 0.3, 1);box-shadow:var(--shadow-sm)}
.stat-card:hover{transform:translateY(-4px) scale(1.015);box-shadow:var(--shadow-xl)}
.stat-card .stat-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-4)}
.stat-card .stat-icon.blue{background:rgba(59,130,246,0.12);color:var(--accent-blue)}
.stat-card .stat-icon.purple{background:rgba(139,92,246,0.12);color:var(--accent-purple)}
.stat-card .stat-icon.green{background:rgba(16,185,129,0.12);color:var(--accent-green)}
.stat-card .stat-icon.amber{background:rgba(245,158,11,0.12);color:var(--accent-amber)}
.stat-card .stat-icon.cyan{background:rgba(6,182,212,0.12);color:var(--accent-cyan)}
.stat-card .stat-icon.red{background:rgba(239,68,68,0.12);color:var(--accent-red)}
.stat-card .stat-value{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);line-height:1;margin-bottom:var(--space-1);letter-spacing:var(--letter-spacing-tight)}
.stat-card .stat-label{font-size:var(--font-size-sm);color:var(--text-secondary)}
.stat-card .stat-glow{position:absolute;top:-50%;right:-50%;width:100%;height:100%;border-radius:50%;opacity:.06;pointer-events:none}
/* Stat card colored left accent */
.stat-card .stat-icon.blue ~ .stat-glow.blue, .stat-card:has(.stat-icon.blue){border-left:4px solid var(--accent-blue)}
.stat-card:has(.stat-icon.purple){border-left:4px solid var(--accent-purple)}
.stat-card:has(.stat-icon.green){border-left:4px solid var(--accent-green)}
.stat-card:has(.stat-icon.amber){border-left:4px solid var(--accent-amber)}
.stat-card:has(.stat-icon.cyan){border-left:4px solid var(--accent-cyan)}
.stat-card:has(.stat-icon.red){border-left:4px solid var(--accent-red)}
.stat-card .stat-glow.blue{background:var(--accent-blue)}
.stat-card .stat-glow.purple{background:var(--accent-purple)}
.stat-card .stat-glow.green{background:var(--accent-green)}
.stat-card .stat-glow.amber{background:var(--accent-amber)}

/* ── Forms ─────────────────────────────────────────────── */
.form-group{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-5)}
.form-label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--text-secondary)}
.form-input,.form-select{width:100%;padding:0.6rem 0.85rem;background-color:var(--bg-primary) !important;border:1px solid var(--border-light) !important;border-radius:var(--radius-md);color:var(--text-primary) !important;font-size:var(--font-size-base);font-weight:var(--font-weight-medium);transition:all var(--transition-fast);outline:none}
.form-input:focus,.form-select:focus{border-color:var(--accent-blue) !important;box-shadow:0 0 0 3px rgba(59,130,246,0.15)}
.form-input::placeholder{color:var(--text-secondary);opacity:0.9}
.form-input:disabled, .form-input[readonly], .form-select:disabled, .form-select[readonly] { background-color: var(--bg-surface-active) !important; cursor: not-allowed; opacity: 0.8; }
.form-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b95a8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 0.75rem center;padding-right:2.5rem}
.form-select option{background-color:var(--bg-surface) !important;color:var(--text-primary) !important}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}
@media (max-width: 768px) {
  .form-row { grid-template-columns: 1fr; gap: var(--space-3); }
}
.form-error{font-size:var(--font-size-xs);color:var(--accent-red);margin-top:2px}
.form-actions{display:flex;justify-content:flex-end;gap:var(--space-3);margin-top:var(--space-6);padding-top:var(--space-5);border-top:1px solid var(--border-default)}

/* ── Custom Checkboxes ─────────────────────────────────── */
input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-medium);
  border-radius: 4px;
  background-color: var(--bg-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  vertical-align: middle;
  position: relative;
  outline: none;
}

:root:not(.dark) input[type="checkbox"] {
  border-color: #0f3b73; /* Rich navy border in light mode */
  background-color: #ffffff; /* White background inside checkbox */
}

:root.dark input[type="checkbox"] {
  border-color: var(--accent-gold); /* Gold border in dark mode */
  background-color: var(--bg-primary); /* Dark background inside checkbox */
}

input[type="checkbox"]:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(194, 148, 42, 0.15);
}

:root:not(.dark) input[type="checkbox"]:hover {
  border-color: #1e4c8c;
  box-shadow: 0 0 0 3px rgba(15, 59, 115, 0.15);
}

input[type="checkbox"]:checked {
  background-color: var(--accent-blue) !important; /* Navy in light, Gold in dark */
  border-color: var(--accent-blue) !important;
}

input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 5px;
  width: 5px;
  height: 10px;
  border: solid #ffffff !important;
  border-width: 0 2.5px 2.5px 0 !important;
  transform: rotate(45deg);
  display: block;
}

:root.dark input[type="checkbox"]:checked::after {
  border-color: #020c1b !important;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

/* ── Data Table ────────────────────────────────────────── */
.table-container{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);overflow:hidden}
.table-toolbar{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--border-default);gap:var(--space-3);flex-wrap:wrap}
.table-search{position:relative;flex:1;max-width:320px}
.table-search input{width:100%;padding:0.45rem 0.75rem 0.45rem 2.25rem;background-color:var(--bg-primary) !important;border:1px solid var(--border-default) !important;border-radius:var(--radius-md);color:var(--text-primary) !important;font-size:var(--font-size-sm);outline:none;transition:border-color var(--transition-fast)}
.table-search input:focus{border-color:var(--accent-blue)}
.table-search .search-icon{position:absolute;left:0.65rem;top:50%;transform:translateY(-50%);color:var(--text-muted);width:16px;height:16px}
.table-filters{display:flex;gap:var(--space-2);align-items:center;flex-wrap:wrap}
.table-filters .form-select{padding:0.4rem 2.2rem 0.4rem 0.65rem;font-size:var(--font-size-xs);background-color:var(--bg-primary) !important;min-width:140px}

.data-table{width:100%;border-collapse:collapse}
.data-table th{padding:0.65rem 1rem;text-align:left;font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);color:var(--text-muted);text-transform:uppercase;letter-spacing:0.05em;background:var(--bg-primary);border-bottom:1px solid var(--border-default);position:sticky;top:0;z-index:10}
.data-table td{padding:0.7rem 1rem;font-size:var(--font-size-sm);color:var(--text-secondary);border-bottom:1px solid var(--border-default);vertical-align:middle}
.data-table tbody tr{transition:background var(--transition-fast)}
.data-table tbody tr:hover{background:var(--bg-surface-hover);box-shadow:inset 3px 0 0 var(--accent-blue)}
.data-table tbody tr:last-child td{border-bottom:none}
.data-table td:first-child{color:var(--text-primary);font-weight:var(--font-weight-medium)}
.table-actions{display:flex;gap:var(--space-1);justify-content:flex-end}
.table-empty{text-align:center;padding:var(--space-12) var(--space-4);color:var(--text-muted)}
.table-empty i{width:48px;height:48px;margin:0 auto var(--space-4);opacity:.4;color:var(--text-muted)}
.table-pagination{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-5);border-top:1px solid var(--border-default);font-size:var(--font-size-xs);color:var(--text-muted)}
.table-pagination .page-btns{display:flex;gap:var(--space-1)}
.table-pagination .page-btns button{padding:0.25rem 0.6rem;border:1px solid var(--border-default);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-size:var(--font-size-xs);cursor:pointer;transition:all var(--transition-fast)}
.table-pagination .page-btns button:hover{background:var(--bg-surface-hover);border-color:var(--border-light)}
.table-pagination .page-btns button.active{background:var(--accent-blue);border-color:var(--accent-blue);color:#fff}

/* ── Responsive Tables → Cards (mobile) ──────────────── */
@media (max-width: 640px) {
  .table-container { border-radius: 0; border-left: none; border-right: none; }
  .table-toolbar { flex-direction: column; align-items: stretch; }
  .table-search { max-width: 100%; }
  .data-table thead { display: none; }
  .data-table tbody tr {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-default);
    background: var(--bg-surface);
  }
  .data-table tbody tr:hover { background: var(--bg-surface-hover); }
  .data-table td {
    border-bottom: none;
    padding: 0;
    font-size: var(--font-size-xs);
    display: flex;
    flex-direction: column;
    min-width: calc(50% - 0.5rem);
  }
  .data-table td::before {
    content: attr(data-label);
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 2px;
  }
  .data-table td:first-child { min-width: 100%; font-size: var(--font-size-sm); }
  .table-actions { justify-content: flex-start; margin-top: var(--space-2); min-width: 100%; }
}

/* ── Animations ──────────────────────────────────────── */
@keyframes fadeSlideIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulseBadge{0%,100%{transform:scale(1)}50%{transform:scale(1.18)}}

/* ── Notification cards ───────────────────────────────── */
.notif-card{transition:box-shadow var(--transition-base),border-color var(--transition-fast)}
.notif-card:hover{box-shadow:var(--shadow-md)}

/* ── Sidebar notification badge pulse ────────────────── */
#sidebar-notif-badge{animation:pulseBadge 2s ease-in-out infinite}

/* ── Badges ────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:0.2rem 0.6rem;font-size:var(--font-size-2xs);font-weight:var(--font-weight-semibold);border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:0.04em}
.badge-success{background:rgba(16,185,129,0.12);color:var(--accent-green)}
.badge-info{background:rgba(59,130,246,0.12);color:var(--accent-blue)}
.badge-warning{background:rgba(245,158,11,0.12);color:var(--accent-amber)}
.badge-danger{background:rgba(239,68,68,0.12);color:var(--accent-red)}
.badge-purple{background:rgba(139,92,246,0.12);color:var(--accent-purple)}
.badge-muted{background:rgba(255,255,255,0.06);color:var(--text-muted)}
.badge-dot::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}

/* ── Modal ─────────────────────────────────────────────── */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,0.65);backdrop-filter:blur(4px);z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.modal-backdrop.active{opacity:1;visibility:visible}
.modal{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-xl);width:90%;max-width:560px;max-height:85vh;overflow:hidden;display:flex;flex-direction:column;transform:scale(0.94) translateY(10px);transition:transform var(--transition-base);box-shadow:var(--shadow-xl)}
.modal-backdrop.active .modal{transform:scale(1) translateY(0)}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-5) var(--space-6);border-bottom:1px solid var(--border-default)}
.modal-header h3{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold)}
.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:none;background:transparent;color:var(--text-muted);border-radius:var(--radius-md);transition:all var(--transition-fast);cursor:pointer}
.modal-close:hover{background:var(--bg-surface-hover);color:var(--text-primary)}
.modal-body{padding:var(--space-6);overflow-y:auto;flex:1}
.modal-footer{display:flex;justify-content:flex-end;gap:var(--space-3);padding:var(--space-4) var(--space-6);border-top:1px solid var(--border-default)}

/* ── Toast ─────────────────────────────────────────────── */
.toast-container{position:fixed;top:var(--space-6);right:var(--space-6);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--space-3);pointer-events:none}
.toast{display:flex;align-items:center;gap:var(--space-3);padding:0.75rem 1rem;background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);min-width:300px;max-width:420px;pointer-events:auto;animation:slideInRight .35s var(--ease-out);backdrop-filter:blur(12px)}
.toast.removing{animation:slideOutRight .3s var(--ease-out) forwards}
@keyframes slideOutRight{to{opacity:0;transform:translateX(100%)}}
.toast-icon{width:20px;height:20px;flex-shrink:0}
.toast-message{flex:1;font-size:var(--font-size-sm);color:var(--text-primary)}
.toast-close{width:20px;height:20px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;flex-shrink:0;padding:0;transition:color var(--transition-fast)}
.toast-close:hover{color:var(--text-primary)}
.toast.success{border-left:3px solid var(--accent-green)}.toast.success .toast-icon{color:var(--accent-green)}
.toast.error{border-left:3px solid var(--accent-red)}.toast.error .toast-icon{color:var(--accent-red)}
.toast.info{border-left:3px solid var(--accent-blue)}.toast.info .toast-icon{color:var(--accent-blue)}
.toast.warning{border-left:3px solid var(--accent-amber)}.toast.warning .toast-icon{color:var(--accent-amber)}

/* ── Tabs ──────────────────────────────────────────────── */
.tabs{display:flex;gap:var(--space-1);border-bottom:1px solid var(--border-default);margin-bottom:var(--space-6)}
.tab-btn{padding:0.6rem 1rem;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--text-muted);border:none;background:transparent;cursor:pointer;border-bottom:2px solid transparent;transition:all var(--transition-fast);margin-bottom:-1px}
.tab-btn:hover{color:var(--text-secondary)}
.tab-btn.active{color:var(--accent-blue);border-bottom-color:var(--accent-blue)}

/* ── Confirm Dialog ────────────────────────────────────── */
.confirm-body{text-align:center;padding:var(--space-4) 0}
.confirm-body .confirm-icon{width:56px;height:56px;margin:0 auto var(--space-4);border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(239,68,68,0.1);color:var(--accent-red)}
.confirm-body p{color:var(--text-secondary);font-size:var(--font-size-base);line-height:var(--line-height-relaxed)}

/* ── Progress Bar ──────────────────────────────────────── */
.progress-bar{width:100%;height:8px;background:var(--bg-primary);border-radius:var(--radius-full);overflow:hidden}
.progress-fill{height:100%;border-radius:var(--radius-full);background:var(--gradient-blue);transition:width 1s var(--ease-out)}

/* ==========================================================================
   Chatbot
   ========================================================================== */

#chatbot-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  font-family: 'Inter', sans-serif;
}

.chat-fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  cursor: pointer;
  transition: transform 0.2s, background-color 0.2s;
}

.chat-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(212, 175, 55, 0.6) !important;
}

.chat-window {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 320px;
  height: 400px;
  background: var(--bg-surface);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border-default);
  transition: opacity 0.2s, transform 0.2s;
  transform-origin: bottom right;
}

.chat-window.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

.chat-header {
  background: var(--primary);
  color: #fff;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-md);
}

.chat-close-btn {
  background: none;
  border: none;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.chat-body {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.chat-bot {
  background: var(--bg-surface);
  color: var(--text-primary);
  align-self: flex-start;
  border: 1px solid var(--border-default);
  border-bottom-left-radius: 4px;
}

.chat-user {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  align-self: flex-end;
  border: 1px solid var(--border-default);
  border-bottom-right-radius: 4px;
}

.chat-footer {
  padding: 12px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-default);
  display: flex;
  gap: 8px;
}

.chat-footer input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-default);
  background: var(--bg-primary);
  color: var(--text-primary);
  border-radius: 6px;
  font-size: var(--font-size-sm);
  outline: none;
}

.chat-footer input:focus {
  border-color: var(--primary);
}

/* ══════════════════════════════════════════════════════════
   DARK MODE OVERRIDES — Navy + Gold Celsus Theme
   Hardcoded blue references → gold in dark mode
   ══════════════════════════════════════════════════════════ */

/* Buttons: gold gradient text needs dark text */
:root.dark .btn-primary { color: #020c1b; }
:root.dark .btn-primary:hover { filter: brightness(1.15); }
:root.dark .btn:focus-visible { box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3); }

/* Forms: gold focus ring */
:root.dark .form-input:focus,
:root.dark .form-select:focus { box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15); }

/* Stat cards: gold icon backgrounds */
:root.dark .stat-card .stat-icon.blue { background: rgba(255, 215, 0, 0.10); }
:root.dark .stat-card:has(.stat-icon.blue) { border-left-color: #ffd700; }

/* Data table: gold hover accent */
:root.dark .data-table tbody tr:hover { box-shadow: inset 3px 0 0 #ffd700; }

/* Tabs: gold active state */
:root.dark .tab-btn.active { color: #ffd700; border-bottom-color: #ffd700; }

/* Badges: gold for info */
:root.dark .badge-info { background: rgba(255, 215, 0, 0.10); }

/* Pagination active */
:root.dark .table-pagination .page-btns button.active { background: #ffd700; border-color: #ffd700; color: #020c1b; }

/* Nav badge */
:root.dark .nav-badge { background: #ffd700; color: #020c1b; }

/* Selection */
:root.dark ::selection { background: rgba(255, 215, 0, 0.3); }

/* Progress bar */
:root.dark .progress-fill { background: linear-gradient(135deg, #b8860b, #ffd700); }

/* ══════════════════════════════════════════════════════════
   LIGHT MODE OVERRIDES — Navy + Gold Celsus Theme
   Matching the login light mode premium aesthetic
   ══════════════════════════════════════════════════════════ */

/* Buttons: luminous gold gradient — identical to login */
:root:not(.dark) .btn-primary {
  background: linear-gradient(135deg, #ffd700, #b8860b);
  color: #020c1b;
  border: none;
  box-shadow: 0 4px 15px rgba(184, 134, 11, 0.3);
}
:root:not(.dark) .btn-primary:hover {
  background: linear-gradient(135deg, #ffeb82, #ffd700);
  box-shadow: 0 6px 20px rgba(184, 134, 11, 0.5);
  transform: translateY(-2px);
  filter: brightness(1.05);
}
:root:not(.dark) .btn-primary:hover .material-symbols-outlined { color: #020c1b; }
:root:not(.dark) .btn:focus-visible { box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.35); }

/* Gold button: even brighter variant */
:root:not(.dark) .btn-gold {
  background: linear-gradient(135deg, #ffd700, #b8860b);
  color: #020c1b;
  box-shadow: 0 4px 18px rgba(184, 134, 11, 0.4);
}
:root:not(.dark) .btn-gold:hover {
  background: linear-gradient(135deg, #ffeb82, #ffd700);
  box-shadow: 0 8px 25px rgba(184, 134, 11, 0.55);
  filter: brightness(1.08);
}

/* Success button: gold-tinted glow */
:root:not(.dark) .btn-success {
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}
:root:not(.dark) .btn-success:hover {
  box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4);
}

/* Warning button: gold luminous */
:root:not(.dark) .btn-warning {
  background: linear-gradient(135deg, #d4a83a, #ffd700);
  color: #020c1b;
  box-shadow: 0 4px 12px rgba(184, 134, 11, 0.25);
}
:root:not(.dark) .btn-warning:hover {
  box-shadow: 0 6px 20px rgba(184, 134, 11, 0.45);
}

/* Forms: gold focus ring */
:root:not(.dark) .form-input:focus,
:root:not(.dark) .form-select:focus {
  border-color: #c2942a;
  box-shadow: 0 0 0 3px rgba(194, 148, 42, 0.15);
}

/* Table search: gold focus */
:root:not(.dark) .table-search input:focus { border-color: #c2942a; }

/* Stat cards: gold accents on blue icon cards */
:root:not(.dark) .stat-card .stat-icon.blue { background: rgba(15, 59, 115, 0.08); color: #0f3b73; }
:root:not(.dark) .stat-card:has(.stat-icon.blue) { border-left-color: #c2942a; }
:root:not(.dark) .stat-card:has(.stat-icon.amber) { border-left-color: #c2942a; }

/* Data table: gold hover accent */
:root:not(.dark) .data-table tbody tr:hover { box-shadow: inset 3px 0 0 #c2942a; }

/* Tabs: gold active state */
:root:not(.dark) .tab-btn.active { color: #c2942a; border-bottom-color: #c2942a; }
:root:not(.dark) .tab-btn:hover { color: #0f3b73; }

/* Badges: gold for info badge */
:root:not(.dark) .badge-info { background: rgba(194, 148, 42, 0.10); color: #996b12; }

/* Pagination active: gold */
:root:not(.dark) .table-pagination .page-btns button.active {
  background: linear-gradient(135deg, #c2942a, #d4a83a);
  border-color: #c2942a;
  color: #fff;
}
:root:not(.dark) .table-pagination .page-btns button:hover {
  border-color: rgba(194, 148, 42, 0.4);
  color: #c2942a;
}

/* Nav badge */
:root:not(.dark) .nav-badge { background: linear-gradient(135deg, #c2942a, #d4a83a); color: #fff; }

/* Selection */
:root:not(.dark) ::selection { background: rgba(194, 148, 42, 0.2); color: #111c2c; }

/* Progress bar: navy-to-gold */
:root:not(.dark) .progress-fill { background: linear-gradient(135deg, #0f3b73, #c2942a); }

/* Card hover: subtle gold border on hover */
:root:not(.dark) .card:hover { border-color: rgba(194, 148, 42, 0.2); }

/* Modal: gold top accent */
:root:not(.dark) .modal { border-top: 3px solid #c2942a; }

/* Toast info: gold accent */
:root:not(.dark) .toast.info { border-left-color: #c2942a; }
:root:not(.dark) .toast.info .toast-icon { color: #c2942a; }

/* Scrollbar: navy tint */
:root:not(.dark) ::-webkit-scrollbar-thumb { background: rgba(15, 59, 115, 0.15); }
:root:not(.dark) ::-webkit-scrollbar-thumb:hover { background: rgba(15, 59, 115, 0.30); }