/* ==========================================================================
   AULA WEB — SISTEMA DE DISEÑO INTEGRAL Y COMPACTO
   Vanilla CSS con variables, diseño denso, responsive y temas Claro/Oscuro
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES DE DISEÑO (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Escala tipográfica mejorada y ergonómica */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --text-2xs: 11px;
  --text-xs: 12px;
  --text-sm: 13.5px;
  --text-base: 14.5px;
  --text-md: 16px;
  --text-lg: 18px;
  --text-xl: 22px;
  --text-2xl: 26px;

  /* Escala consistente de espaciados (4, 8, 12, 16, 20, 24 px) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  /* Radios de borde compactos */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-pill: 9999px;

  /* Alturas de controles de interfaz cómodas */
  --control-height-xs: 28px;
  --control-height-sm: 34px;
  --control-height: 38px;
  --control-height-lg: 42px;
  --sidebar-width: 240px;
  --topbar-height: 52px;

  /* Color de acento base (personalizable dinámicamente) */
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-light: rgba(79, 70, 229, 0.08);
  --accent-ring: rgba(79, 70, 229, 0.25);

  /* Tema Claro (Predeterminado) */
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --surface-hover: #f1f5f9;
  --surface-active: #e2e8f0;
  --surface-selected: #eef2ff;
  --surface-backdrop: rgba(15, 23, 42, 0.45);

  --border: #e2e8f0;
  --border-light: #edf2f7;
  --border-strong: #cbd5e1;
  --border-focus: var(--accent);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;
  --text-disabled: #94a3b8;
  --text-inverse: #ffffff;

  /* Estados semánticos */
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --success-text: #065f46;
  --success-solid: #10b981;

  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --danger-text: #991b1b;
  --danger-solid: #ef4444;

  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --warning-text: #92400e;
  --warning-solid: #f59e0b;

  --info-bg: #eff6ff;
  --info-border: #bfdbfe;
  --info-text: #1e40af;
  --info-solid: #3b82f6;

  --neutral-bg: #f1f5f9;
  --neutral-border: #e2e8f0;
  --neutral-text: #475569;

  /* Sidebar styling */
  --sidebar-bg: #0f172a;
  --sidebar-border: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-text-active: #ffffff;
  --sidebar-item-hover: rgba(255, 255, 255, 0.06);
  --sidebar-item-active: rgba(255, 255, 255, 0.12);

  /* Sombras sutiles */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.07), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

/* --------------------------------------------------------------------------
   2. TEMA OSCURO (data-theme="dark" & system prefers-color-scheme)
   -------------------------------------------------------------------------- */
html[data-theme="dark"] {
  --bg: #0b0f19;
  --surface: #131a29;
  --surface-alt: #1a2336;
  --surface-hover: #222d44;
  --surface-active: #2a3754;
  --surface-selected: #1e2942;
  --surface-backdrop: rgba(0, 0, 0, 0.75);

  --border: #242f44;
  --border-light: #1b2435;
  --border-strong: #33415e;

  --text-main: #f1f5f9;
  --text-muted: #cbd5e1;
  --text-subtle: #8b9bb4;
  --text-disabled: #52607a;
  --text-inverse: #0b0f19;

  --success-bg: rgba(16, 185, 129, 0.14);
  --success-border: rgba(16, 185, 129, 0.35);
  --success-text: #6ee7b7;

  --danger-bg: rgba(239, 68, 68, 0.14);
  --danger-border: rgba(239, 68, 68, 0.35);
  --danger-text: #fca5a5;

  --warning-bg: rgba(245, 158, 11, 0.14);
  --warning-border: rgba(245, 158, 11, 0.35);
  --warning-text: #fcd34d;

  --info-bg: rgba(59, 130, 246, 0.14);
  --info-border: rgba(59, 130, 246, 0.35);
  --info-text: #93c5fd;

  --neutral-bg: #1a2336;
  --neutral-border: #242f44;
  --neutral-text: #cbd5e1;

  --sidebar-bg: #0b0f19;
  --sidebar-border: #1e293b;

  --shadow-xs: none;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  html[data-theme="system"] {
    --bg: #0b0f19;
    --surface: #131a29;
    --surface-alt: #1a2336;
    --surface-hover: #222d44;
    --surface-active: #2a3754;
    --surface-selected: #1e2942;
    --surface-backdrop: rgba(0, 0, 0, 0.75);

    --border: #242f44;
    --border-light: #1b2435;
    --border-strong: #33415e;

    --text-main: #f1f5f9;
    --text-muted: #cbd5e1;
    --text-subtle: #8b9bb4;
    --text-disabled: #52607a;
    --text-inverse: #0b0f19;

    --success-bg: rgba(16, 185, 129, 0.14);
    --success-border: rgba(16, 185, 129, 0.35);
    --success-text: #6ee7b7;

    --danger-bg: rgba(239, 68, 68, 0.14);
    --danger-border: rgba(239, 68, 68, 0.35);
    --danger-text: #fca5a5;

    --warning-bg: rgba(245, 158, 11, 0.14);
    --warning-border: rgba(245, 158, 11, 0.35);
    --warning-text: #fcd34d;

    --info-bg: rgba(59, 130, 246, 0.14);
    --info-border: rgba(59, 130, 246, 0.35);
    --info-text: #93c5fd;

    --neutral-bg: #1a2336;
    --neutral-border: #242f44;
    --neutral-text: #cbd5e1;

    --sidebar-bg: #0b0f19;
    --sidebar-border: #1e293b;

    --shadow-xs: none;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  }
}

/* --------------------------------------------------------------------------
   3. RESET Y TIPOGRAFÍA BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.45;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.12s ease;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
}

code {
  font-size: var(--text-xs);
  padding: 2px 5px;
  background-color: var(--neutral-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-main);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   4. ICONOS Y UTILIDADES TIPOGRÁFICAS
   -------------------------------------------------------------------------- */
.icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  stroke-width: 2;
}

.font-mono { font-family: var(--font-mono); }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 600; }
.font-normal { font-weight: 400; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-primary { color: var(--accent); }
.text-success { color: var(--success-text); }
.text-danger { color: var(--danger-text); }
.text-warning { color: var(--warning-text); }
.text-info { color: var(--info-text); }
.text-subtle { color: var(--text-subtle); }
.text-muted { color: var(--text-muted); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.d-block { display: block; }

/* --------------------------------------------------------------------------
   5. BOTONES
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: var(--control-height);
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
  user-select: none;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
  box-shadow: var(--shadow-xs);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-secondary {
  background-color: var(--surface);
  color: var(--text-main);
  border-color: var(--border);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--surface-hover);
  border-color: var(--border-strong);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--surface-hover);
  color: var(--text-main);
}

.btn-danger-outline {
  background-color: transparent;
  color: var(--danger-text);
  border-color: var(--danger-border);
}

.btn-danger-outline:hover:not(:disabled) {
  background-color: var(--danger-bg);
}

.btn-danger {
  background-color: var(--danger-solid);
  color: var(--text-inverse);
  border-color: var(--danger-solid);
}

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626;
}

.btn-xs {
  height: var(--control-height-xs);
  padding: 0 var(--space-2);
  font-size: var(--text-xs);
  gap: var(--space-1);
}

.btn-sm {
  height: var(--control-height-sm);
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
}

.btn-block {
  width: 100%;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background-color: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease;
}

.icon-btn:hover {
  background-color: var(--surface-hover);
  color: var(--text-main);
}

.icon-btn-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background-color: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.12s ease;
}

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

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

/* --------------------------------------------------------------------------
   6. BADGES Y PILLS
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: 1.35;
  white-space: nowrap;
  border: 1px solid transparent;
}

.badge-xs {
  font-size: var(--text-2xs);
  padding: 1px 5px;
}

.badge-success {
  background-color: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-text);
}

.badge-danger {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text);
}

.badge-warning {
  background-color: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning-text);
}

.badge-info {
  background-color: var(--info-bg);
  border-color: var(--info-border);
  color: var(--info-text);
}

.badge-primary {
  background-color: var(--accent-light);
  border-color: var(--accent-ring);
  color: var(--accent);
}

.badge-neutral {
  background-color: var(--neutral-bg);
  border-color: var(--neutral-border);
  color: var(--neutral-text);
}

.id-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-subtle);
  font-weight: 600;
}

.subject-color-badge {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-xs);
  flex-shrink: 0;
}

.subject-color-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.subject-pill-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  background-color: var(--surface-alt);
  border-left: 3px solid var(--accent);
  font-size: var(--text-xs);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   7. CONTROLES DE FORMULARIO NATIVOS
   -------------------------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
}

.form-label .required {
  color: var(--danger-solid);
}

.form-control {
  height: var(--control-height);
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
  width: 100%;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
  outline: none;
}

.form-control.input-sm {
  height: var(--control-height-sm);
  font-size: var(--text-xs);
  padding: 0 var(--space-2);
}

textarea.form-control {
  height: auto;
  padding: var(--space-2) var(--space-3);
  resize: vertical;
  min-height: 72px;
}

select.form-control {
  cursor: pointer;
  padding-right: var(--space-6);
}

.form-checkbox {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
  border-radius: var(--radius-xs);
}

.checkbox-label {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--text-sm);
}

.field-hint {
  font-size: var(--text-xs);
  color: var(--text-subtle);
}

.color-picker-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-control-color {
  width: 38px;
  height: var(--control-height);
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}

.color-code-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-subtle);
}

/* --------------------------------------------------------------------------
   8. ESTRUCTURA GLOBAL (App Shell)
   -------------------------------------------------------------------------- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  z-index: 50;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-header {
  height: var(--topbar-height);
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--sidebar-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: #ffffff;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background-color: var(--accent);
  color: #ffffff;
  border-radius: var(--radius-sm);
}

.brand-text strong {
  display: block;
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
  color: #ffffff;
  line-height: 1.2;
}

.brand-text small {
  display: block;
  font-size: var(--text-2xs);
  color: #94a3b8;
  line-height: 1;
}

.sidebar-close-btn {
  display: none;
  color: #94a3b8;
}

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3) var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-section-title {
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #64748b;
  padding: var(--space-3) var(--space-3) var(--space-1);
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 6px var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--sidebar-text);
  transition: background-color 0.12s ease, color 0.12s ease;
  position: relative;
  width: 100%;
  box-sizing: border-box;
  text-decoration: none;
}

.nav-item:hover {
  background-color: var(--sidebar-item-hover);
  color: var(--sidebar-text-active);
}

.nav-item.active {
  background-color: var(--accent);
  color: #ffffff;
}

.nav-item-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
}

.nav-item-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-badge {
  font-size: var(--text-2xs);
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  background-color: var(--danger-solid);
  color: #ffffff;
}

.sidebar-footer {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  min-width: 0;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
}

.user-chip:hover {
  background-color: var(--sidebar-item-hover);
}

.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background-color: var(--accent);
  color: #ffffff;
  font-weight: 700;
  font-size: var(--text-xs);
  flex-shrink: 0;
}

.user-avatar-sm {
  width: 26px;
  height: 26px;
  font-size: 11px;
}

.user-avatar-xs {
  width: 20px;
  height: 20px;
  font-size: 10px;
}

.user-meta {
  flex: 1;
  min-width: 0;
}

.user-name {
  display: block;
  font-size: var(--text-xs);
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  display: block;
  font-size: var(--text-2xs);
  color: #94a3b8;
}

.logout-btn {
  color: #94a3b8;
}

.logout-btn:hover {
  color: var(--danger-solid);
}

/* Main Wrapper */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
  background-color: var(--bg);
}

/* Topbar */
.topbar {
  height: var(--topbar-height);
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mobile-menu-btn {
  display: none;
}

.topbar-nav-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.topbar-crumb {
  color: var(--text-subtle);
}

.topbar-sep {
  color: var(--border-strong);
}

.topbar-current {
  color: var(--text-main);
  font-weight: 600;
}

.time-display {
  font-size: var(--text-xs);
  color: var(--text-subtle);
  font-weight: 500;
}

.theme-switcher {
  display: inline-flex;
  align-items: center;
  padding: 2px;
  background-color: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  gap: 2px;
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-subtle);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.1s ease;
}

.theme-toggle-btn:hover {
  color: var(--text-main);
}

.theme-toggle-btn.active {
  background-color: var(--surface);
  color: var(--accent);
  box-shadow: var(--shadow-xs);
}

.topbar-bell {
  position: relative;
}

.topbar-bell-count {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 15px;
  height: 15px;
  padding: 0 4px;
  background-color: var(--danger-solid);
  color: #ffffff;
  border-radius: var(--radius-pill);
  font-size: 9px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--surface);
}

/* Viewport Principal */
.main-viewport {
  flex: 1;
  padding: var(--space-5) var(--space-6) var(--space-8);
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   9. BREADCRUMBS Y ENCABEZADOS DE PÁGINA
   -------------------------------------------------------------------------- */
.breadcrumbs {
  margin-bottom: var(--space-2);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-xs);
  color: var(--text-subtle);
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.breadcrumb-item a:hover {
  color: var(--accent);
}

.breadcrumb-item.active {
  color: var(--text-main);
  font-weight: 600;
}

.breadcrumb-sep {
  margin-left: var(--space-2);
  color: var(--border-strong);
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.page-kicker {
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 2px;
}

.page-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.page-title-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-light);
  color: var(--accent);
}

.page-title {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.2;
}

.page-counter-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-subtle);
  background-color: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 2px 8px;
}

.page-description {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   10. PANELES Y TARJETAS
   -------------------------------------------------------------------------- */
.panel {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

.panel-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background-color: var(--surface);
}

.panel-header-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.panel-icon {
  color: var(--accent);
  display: inline-flex;
}

.panel-heading {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.2;
}

.panel-subheading {
  margin: 2px 0 0;
  font-size: var(--text-xs);
  color: var(--text-subtle);
}

.panel-body {
  padding: var(--space-4);
}

/* --------------------------------------------------------------------------
   11. TABLAS ESTANDARIZADAS Y TOOLBARS
   -------------------------------------------------------------------------- */
.data-panel {
  display: flex;
  flex-direction: column;
}

.table-toolbar {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background-color: var(--surface);
}

.toolbar-filter-form {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 260px;
  max-width: 100%;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  color: var(--text-subtle);
  pointer-events: none;
  z-index: 2;
}

.search-icon .icon {
  width: 14px;
  height: 14px;
  display: block;
}

.search-input {
  width: 100%;
  height: var(--control-height-sm);
  padding-left: 32px !important;
  padding-right: var(--space-2);
  line-height: var(--control-height-sm);
  box-sizing: border-box;
}

.filter-controls-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.input-compact, .select-compact {
  height: var(--control-height-sm);
  padding: 0 var(--space-2);
  font-size: var(--text-xs);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--surface);
  color: var(--text-main);
}

.toolbar-stats {
  font-size: var(--text-xs);
  color: var(--text-subtle);
  white-space: nowrap;
}

.count-pill {
  display: inline-block;
  padding: 2px 8px;
  background-color: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
}

/* Bulk Toolbar */
.bulk-toolbar {
  display: none;
  padding: var(--space-2) var(--space-4);
  background-color: var(--surface-selected);
  border-bottom: 1px solid var(--accent-ring);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
}

.bulk-toolbar.has-selection {
  display: flex;
}

.bulk-selection-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.selected-counter {
  font-weight: 700;
  color: var(--accent);
}

.bulk-select-buttons {
  display: flex;
  gap: var(--space-1);
}

.bulk-actions-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.bulk-action-select {
  min-width: 170px;
}

/* Table Responsive */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  position: relative;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.table-responsive::-webkit-scrollbar {
  height: 6px;
}

.table-responsive::-webkit-scrollbar-track {
  background: var(--surface-alt);
}

.table-responsive::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-pill);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  text-align: left;
}

.data-table thead {
  background-color: var(--surface-alt);
  border-bottom: 1px solid var(--border);
}

.data-table th {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  user-select: none;
}

.sortable-th {
  cursor: pointer;
}

.sort-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: inherit;
}

.sort-link:hover {
  color: var(--accent);
}

.sorted-th {
  color: var(--accent);
}

.sort-icon-wrap {
  display: inline-flex;
  color: var(--text-subtle);
}

.sorted-th .sort-icon-wrap {
  color: var(--accent);
}

.data-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}

.data-row:hover {
  background-color: var(--surface-hover);
}

.data-row.row-selected {
  background-color: var(--surface-selected);
}

.col-checkbox {
  width: 36px;
  text-align: center;
  padding-left: var(--space-3) !important;
  padding-right: var(--space-1) !important;
}

.col-id {
  width: 55px;
}

.col-actions {
  width: 140px;
  white-space: nowrap;
}

.row-actions-group {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  justify-content: flex-end;
}

.inline-form {
  display: inline;
  margin: 0;
  padding: 0;
}

.entity-cell {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

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

.entity-title {
  color: var(--text-main);
  line-height: 1.25;
}

.entity-desc {
  font-size: var(--text-xs);
  color: var(--text-subtle);
  line-height: 1.2;
}

.task-completed-text {
  text-decoration: line-through;
  color: var(--text-subtle);
}

.date-stacked strong {
  display: block;
  font-size: var(--text-xs);
  color: var(--text-main);
}

.date-stacked small {
  display: block;
  font-size: var(--text-2xs);
  color: var(--text-subtle);
}

.time-range-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background-color: var(--surface-alt);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
}

.grade-score {
  font-size: var(--text-sm);
}

.grade-passed {
  color: var(--success-text);
}

.grade-failed {
  color: var(--danger-text);
}

.empty-cell {
  padding: var(--space-8) var(--space-4) !important;
  text-align: center;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) var(--space-4);
  text-align: center;
}

.empty-state-icon {
  color: var(--text-subtle);
  margin-bottom: var(--space-2);
}

.empty-state-title {
  margin: 0 0 var(--space-1);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-main);
}

.empty-state-message {
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 440px;
}

.empty-state-actions {
  display: flex;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   12. PAGINACIÓN REUTILIZABLE
   -------------------------------------------------------------------------- */
.panel-pagination-wrapper {
  padding: var(--space-2) var(--space-4);
  border-top: 1px solid var(--border);
  background-color: var(--surface-alt);
}

.pagination-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-muted);
  flex-wrap: wrap;
}

.pagination-info {
  white-space: nowrap;
}

.pagination-nav {
  display: flex;
  align-items: center;
  gap: 3px;
}

.pagination-btn, .pagination-page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background-color: var(--surface);
  color: var(--text-main);
  font-size: var(--text-xs);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.1s ease;
}

.pagination-btn:hover:not(.disabled), .pagination-page:hover:not(.active) {
  background-color: var(--surface-hover);
  border-color: var(--border);
}

.pagination-page.active {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  font-weight: 700;
}

.pagination-btn.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination-ellipsis {
  padding: 0 var(--space-1);
  color: var(--text-subtle);
}

.pagination-limit-form {
  margin: 0;
}

.limit-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
}

.limit-select {
  height: 28px;
  padding: 0 6px;
  font-size: var(--text-xs);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--surface);
  color: var(--text-main);
}

/* --------------------------------------------------------------------------
   13. FORMULARIOS DEDICADOS (Crear / Editar)
   -------------------------------------------------------------------------- */
.form-header-bar {
  margin-bottom: var(--space-4);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--text-subtle);
  margin-bottom: var(--space-2);
}

.back-link:hover {
  color: var(--accent);
}

.form-title-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.id-pill {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background-color: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 2px 8px;
  color: var(--text-subtle);
}

.form-layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: var(--space-5);
  align-items: start;
}

.form-main-card {
  padding: var(--space-5);
}

.form-section {
  margin-bottom: var(--space-5);
}

.form-section:last-of-type {
  margin-bottom: 0;
}

.form-section-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-main);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-light);
  margin: 0 0 var(--space-3);
}

.form-section-subtitle {
  font-size: var(--text-xs);
  color: var(--text-subtle);
  margin: -4px 0 var(--space-3);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.form-grid .span-2 {
  grid-column: span 2;
}

.form-group-checkbox {
  justify-content: center;
}

.form-actions-footer {
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-sidebar-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-hint-card {
  padding: var(--space-4);
  background-color: var(--surface);
}

.hint-icon-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.hint-icon {
  color: var(--accent);
}

.hint-heading {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-main);
}

.hint-body-text {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.5;
}

.hint-body-text:last-child {
  margin-bottom: 0;
}

.danger-zone-card {
  padding: var(--space-4);
  border-color: var(--danger-border);
  background-color: var(--danger-bg);
}

.danger-zone-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.danger-icon {
  color: var(--danger-solid);
}

.danger-zone-title {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--danger-text);
}

.danger-zone-desc {
  font-size: var(--text-xs);
  color: var(--danger-text);
  margin: 0 0 var(--space-3);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   14. DASHBOARD ESPECÍFICO
   -------------------------------------------------------------------------- */
.dashboard-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.dashboard-kicker {
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 2px;
}

.dashboard-title {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.dashboard-subtitle {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.dashboard-quick-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

.metric-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.metric-mini-card {
  padding: var(--space-3) var(--space-4);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  transition: transform 0.12s ease, border-color 0.12s ease;
}

.metric-mini-card:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
}

.metric-mini-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-subtle);
}

.metric-mini-value {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin: var(--space-1) 0;
  line-height: 1;
}

.metric-mini-footer {
  font-size: var(--text-2xs);
  color: var(--text-subtle);
}

.metric-card-urgent {
  border-color: var(--danger-border);
  background-color: var(--danger-bg);
}

.dashboard-columns-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 1fr);
  gap: var(--space-4);
}

.dashboard-main-col, .dashboard-side-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.compact-event-list {
  display: flex;
  flex-direction: column;
}

.compact-event-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--border-light);
  gap: var(--space-3);
}

.compact-event-item:last-child {
  border-bottom: none;
}

.compact-event-item:hover {
  background-color: var(--surface-hover);
}

.compact-event-main {
  flex: 1;
  min-width: 0;
}

.compact-event-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.compact-event-title {
  color: var(--text-main);
  font-size: var(--text-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.compact-event-subject {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-2xs);
  color: var(--text-subtle);
  margin-top: 2px;
}

.compact-event-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.compact-event-date {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-subtle);
  white-space: nowrap;
}

.classes-today-list {
  display: flex;
  flex-direction: column;
}

.class-today-item {
  display: flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--border-light);
  gap: var(--space-3);
}

.class-today-item:last-child {
  border-bottom: none;
}

.class-color-bar {
  width: 4px;
  height: 28px;
  border-radius: var(--radius-xs);
  flex-shrink: 0;
}

.class-today-info {
  flex: 1;
  min-width: 0;
}

.class-name {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.time-pill {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background-color: var(--surface-alt);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  white-space: nowrap;
}

.grades-summary-list {
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.grade-summary-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.grade-summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.progress-bar-track {
  width: 100%;
  height: 6px;
  background-color: var(--surface-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--accent);
  border-radius: inherit;
  transition: width 0.3s ease;
}

/* --------------------------------------------------------------------------
   15. HORARIO SEMANAL Y CALENDARIO
   -------------------------------------------------------------------------- */
.week-schedule-card {
  margin-bottom: var(--space-4);
}

.week-grid-container {
  overflow-x: auto;
  padding: var(--space-3);
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(130px, 1fr));
  gap: var(--space-2);
}

.week-grid-column {
  background-color: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  min-height: 120px;
}

.week-grid-day-header {
  font-size: var(--text-xs);
  font-weight: 700;
  text-align: center;
  color: var(--text-muted);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-1);
}

.week-grid-events {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.week-schedule-chip {
  padding: 4px 6px;
  background-color: var(--surface);
  border-left: 3px solid var(--chip-color, var(--accent));
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
}

.week-chip-title {
  font-size: var(--text-xs);
  line-height: 1.2;
  color: var(--text-main);
}

.week-chip-time {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--text-subtle);
  margin-top: 1px;
}

.week-chip-loc {
  font-size: 10px;
  color: var(--text-subtle);
}

.week-day-empty {
  font-size: 10px;
  color: var(--text-disabled);
  text-align: center;
  margin: auto;
  padding: var(--space-2) 0;
}

/* Calendario */
.calendar-panel-wrapper {
  display: flex;
  flex-direction: column;
}

.calendar-toolbar {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.calendar-month-heading {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.calendar-title-icon {
  color: var(--accent);
}

.calendar-month-title {
  margin: 0;
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-main);
}

.calendar-nav-buttons {
  display: flex;
  gap: var(--space-1);
}

.calendar-scrollable-container {
  overflow-x: auto;
}

.calendar-matrix {
  display: grid;
  grid-template-columns: repeat(7, minmax(130px, 1fr));
  border-bottom: 1px solid var(--border);
}

.calendar-weekday-header {
  background-color: var(--surface-alt);
  padding: var(--space-2);
  text-align: center;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border-light);
}

.calendar-weekday-header:last-child {
  border-right: none;
}

.calendar-cell-box {
  min-height: 100px;
  padding: var(--space-1) var(--space-2);
  border-bottom: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  background-color: var(--surface);
  display: flex;
  flex-direction: column;
}

.calendar-cell-box:nth-child(7n) {
  border-right: none;
}

.calendar-cell-box.day-outside {
  background-color: var(--surface-alt);
  opacity: 0.5;
}

.calendar-cell-box.day-today {
  background-color: var(--accent-light);
}

.calendar-cell-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-1);
}

.day-number {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-main);
}

.calendar-events-container {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.calendar-event-badge {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 1px 4px;
  background-color: var(--surface-alt);
  border-left: 2px solid var(--event-accent, var(--accent));
  border-radius: var(--radius-xs);
  font-size: var(--text-2xs);
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar-event-badge:hover {
  background-color: var(--surface-hover);
}

.event-time-tag {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-subtle);
  flex-shrink: 0;
}

.event-text-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.more-events-indicator {
  font-size: 9px;
  color: var(--text-subtle);
  padding: 1px 4px;
}

.calendar-legend-bar {
  padding: var(--space-3) var(--space-4);
  background-color: var(--surface-alt);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.legend-color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.panel-footer-note {
  padding: var(--space-3) var(--space-4);
  background-color: var(--surface-alt);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.note-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}

/* --------------------------------------------------------------------------
   16. NOTIFICACIONES Y AJUSTES DE AVISOS
   -------------------------------------------------------------------------- */
.notification-feed {
  display: flex;
  flex-direction: column;
}

.notification-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-light);
  background-color: var(--surface);
}

.notification-item:last-child {
  border-bottom: none;
}

.notification-item.is-unread {
  background-color: var(--surface-selected);
}

.notification-item-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-light);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notification-item-content {
  flex: 1;
  min-width: 0;
}

.notification-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: 2px;
}

.notification-item-title {
  color: var(--text-main);
  font-size: var(--text-sm);
}

.notification-item-body {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
}

.notification-item-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.notification-item-actions {
  flex-shrink: 0;
}

/* Settings chips de recordatorios */
.offset-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.offset-chip-label {
  cursor: pointer;
}

.offset-chip-checkbox {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.offset-chip-text {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  background-color: var(--surface);
  color: var(--text-muted);
  transition: all 0.12s ease;
  user-select: none;
}

.offset-chip-checkbox:checked + .offset-chip-text {
  background-color: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.custom-offset-inputs-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  padding: var(--space-2);
  background-color: var(--surface-alt);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.toggle-card-box {
  padding: var(--space-3);
  background-color: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.push-status-card {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background-color: var(--surface-alt);
  border: 1px dashed var(--border-strong);
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
  margin: var(--space-2) 0;
}

.key-status-row {
  margin-bottom: var(--space-2);
}

.cron-status-chip {
  padding: var(--space-2);
  background-color: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: var(--space-2);
}

/* --------------------------------------------------------------------------
   17. ALERTAS Y MENSAJES FLASH
   -------------------------------------------------------------------------- */
.alert {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  border: 1px solid transparent;
}

.alert-success {
  background-color: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-text);
}

.alert-danger {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text);
}

.alert-icon {
  display: inline-flex;
  flex-shrink: 0;
}

.alert-message {
  flex: 1;
}

.alert-dismiss {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 2px;
  display: inline-flex;
  opacity: 0.7;
}

.alert-dismiss:hover {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   18. MODAL / DIALOG ACCESIBLE
   -------------------------------------------------------------------------- */
.app-dialog {
  border: none;
  background: transparent;
  padding: 0;
  max-width: 440px;
  width: 90%;
  margin: auto;
}

.app-dialog::backdrop {
  background-color: var(--surface-backdrop);
  backdrop-filter: blur(2px);
}

.modal-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-main);
}

.modal-body {
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
}

.modal-body p {
  margin: 0;
}

.modal-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border);
  background-color: var(--surface-alt);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   19. AUTENTICACIÓN (Login / Registro)
   -------------------------------------------------------------------------- */
.auth-viewport {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.auth-wrapper {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  min-height: 100vh;
}

.auth-hero-side {
  background: radial-gradient(circle at 80% 20%, rgba(79, 70, 229, 0.25), transparent 50%),
              linear-gradient(145deg, #0f172a, #1e1b4b);
  color: #ffffff;
  padding: var(--space-8) clamp(30px, 6vw, 80px);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.auth-hero-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  max-width: 520px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.auth-brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background-color: var(--accent);
  color: #ffffff;
  border-radius: var(--radius-sm);
}

.auth-hero-body {
  margin: auto 0;
  padding: var(--space-6) 0;
}

.auth-kicker {
  font-size: var(--text-2xs);
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #a5b4fc;
  margin-bottom: var(--space-2);
}

.auth-hero-title {
  margin: 0 0 var(--space-3);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.auth-hero-accent {
  color: #a5b4fc;
}

.auth-hero-subtitle {
  margin: 0 0 var(--space-5);
  font-size: var(--text-md);
  color: #94a3b8;
  line-height: 1.5;
}

.auth-features-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.auth-feature-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 12px;
  background-color: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  color: #e2e8f0;
  width: fit-content;
}

.auth-hero-footer {
  font-size: var(--text-2xs);
  color: #64748b;
}

.auth-form-side {
  background-color: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) var(--space-5);
}

.auth-card-container {
  width: 100%;
  max-width: 380px;
}

.auth-card-header {
  margin-bottom: var(--space-4);
}

.auth-card-title {
  margin: 0 0 var(--space-1);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.auth-card-subtitle {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.input-icon-wrap {
  position: relative;
}

.input-prefix-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-subtle);
  pointer-events: none;
}

.form-control.with-icon {
  padding-left: 32px;
}

.btn-auth-submit {
  margin-top: var(--space-2);
}

.auth-switch-text {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-4);
}

.auth-switch-text a {
  color: var(--accent);
}

.auth-security-notice {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 10px;
  color: var(--text-subtle);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   20. PÁGINA DE MENSAJE / ERROR
   -------------------------------------------------------------------------- */
.error-page-wrapper {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.error-card {
  max-width: 440px;
  text-align: center;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.error-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background-color: var(--danger-bg);
  color: var(--danger-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.error-code {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.error-heading {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-main);
}

.error-desc {
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   21. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .metric-cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .dashboard-columns-grid {
    grid-template-columns: 1fr;
  }
  .form-layout-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-close-btn {
    display: inline-flex;
  }
  .main-wrapper {
    margin-left: 0;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
  .mobile-backdrop.open {
    display: block;
    position: fixed;
    inset: 0;
    background-color: var(--surface-backdrop);
    z-index: 45;
  }
  .auth-wrapper {
    grid-template-columns: 1fr;
  }
  .auth-hero-side {
    display: none;
  }
}

@media (max-width: 640px) {
  /* Prevent iOS zoom on inputs */
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="search"],
  input[type="number"],
  input[type="date"],
  input[type="time"],
  select,
  textarea {
    font-size: 16px !important;
  }

  .main-viewport {
    padding: var(--space-3) var(--space-3) var(--space-6);
  }

  .topbar {
    padding: 0 var(--space-3);
    height: 48px;
  }

  .time-display {
    display: none;
  }

  .theme-switcher {
    padding: 1px;
    gap: 1px;
  }

  .theme-toggle-btn {
    width: 22px;
    height: 22px;
  }

  .topbar-left {
    min-width: 0;
    flex: 1;
  }

  .topbar-nav-title {
    min-width: 0;
    overflow: hidden;
  }

  .topbar-current {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: var(--text-xs);
  }

  .topbar-crumb, .topbar-sep {
    display: none;
  }

  .dashboard-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .dashboard-quick-actions {
    width: 100%;
  }

  .dashboard-quick-actions .btn {
    flex: 1;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .page-header-actions {
    width: 100%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .page-header-actions .btn {
    flex: 1;
    min-width: 120px;
    height: 38px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid .span-2 {
    grid-column: span 1;
  }

  .custom-offset-inputs-row {
    grid-template-columns: 1fr;
  }

  .form-actions-footer {
    flex-direction: column-reverse;
    gap: var(--space-2);
    align-items: stretch;
  }

  .form-actions-footer .btn {
    width: 100%;
    height: 42px;
    justify-content: center;
  }

  .table-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
    padding: var(--space-3);
  }

  .toolbar-filter-form {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: var(--space-2);
  }

  .search-input-wrap {
    width: 100%;
    max-width: none;
  }

  .search-input {
    height: 40px;
  }

  .filter-controls-wrap {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }

  .filter-controls-wrap select {
    width: 100%;
    height: 38px;
    grid-column: span 1;
  }

  .filter-controls-wrap .filter-btn {
    height: 38px;
    grid-column: span 1;
    justify-content: center;
  }

  .filter-controls-wrap .clear-filters-btn {
    height: 38px;
    grid-column: span 2;
    justify-content: center;
  }

  .toolbar-stats {
    text-align: right;
  }

  .bulk-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
    padding: var(--space-3);
  }

  .bulk-selection-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .bulk-select-buttons {
    display: flex;
    width: 100%;
    gap: var(--space-1);
  }

  .bulk-select-buttons .btn {
    flex: 1;
    height: 32px;
    padding: 0 4px;
    font-size: 11px;
    justify-content: center;
  }

  .bulk-actions-group {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }

  .bulk-action-select {
    width: 100%;
    height: 38px;
  }

  .bulk-actions-group .btn {
    width: 100%;
    height: 38px;
    justify-content: center;
  }

  .icon-btn-row {
    width: 34px;
    height: 34px;
  }

  .row-actions-group {
    gap: 4px;
  }

  .metric-cards-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }

  .metric-mini-card {
    padding: var(--space-3);
  }

  .auth-form-side {
    padding: var(--space-5) var(--space-4);
  }

  .auth-card-container {
    max-width: 100%;
  }

  .btn-auth-submit {
    height: 44px;
  }
}