/* ========================================
   MÓDULO HORARIOS - ESTILOS ZEN
   ======================================== */

/* Aviso tras crear estructura de horario (bloques) */
.horarios-next-hint {
  margin: 0 0 var(--space-md, 1rem);
  padding: var(--space-md, 1rem) var(--space-lg, 1.25rem);
  border-radius: var(--border-radius-sm, 12px);
  border: 1px solid rgba(16, 185, 129, 0.35);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(8, 145, 178, 0.08) 100%);
  max-width: 720px;
}
.horarios-next-hint[hidden] {
  display: none !important;
}
.horarios-next-hint__inner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md, 1rem);
}
.horarios-next-hint__icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--border-radius-xs, 8px);
  background: rgba(16, 185, 129, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success, #10b981);
  font-size: 1.1rem;
}
.horarios-next-hint__title {
  display: block;
  font-size: 1rem;
  margin: 0 0 0.35rem;
  color: var(--text-primary, #1e293b);
}
.horarios-next-hint__desc {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text-secondary, #64748b);
}
.horarios-next-hint__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}
.horarios-next-hint__btn {
  text-decoration: none;
}
.horarios-next-hint__btn--secondary {
  background: var(--bg-secondary, #f8fafc);
  color: var(--text-primary, #1e293b);
  border: 1px solid var(--border-color, #e2e8f0);
}

:root {
  /* Colores Zen - Tema Light */
  --primary: #0891b2;
  --primary-light: #06b6d4;
  --secondary: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  /* Backgrounds Zen */
  --bg-primary: #fdfdfd;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --bg-input: #f9fafb;
  --bg-modal: rgba(15, 23, 42, 0.4);
  
  /* Text Zen */
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-white: #ffffff;
  
  /* Borders Zen */
  --border-color: #e2e8f0;
  --border-focus: #c7d2fe;
  --border-radius: 16px;
  --border-radius-sm: 12px;
  --border-radius-xs: 8px;
  
  /* Shadows Zen */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
  --shadow-focus: 0 0 0 4px rgba(79, 70, 229, 0.08);
  
  /* Spacing Zen */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Tamaño ajustable de celdas */
  --cell-height: 56px;              /* alto mínimo de cada celda */
  --grid-scale-x: 1;                /* escala horizontal del grid */
  --grid-scale-y: 1;                /* escala vertical del grid */
  /* Fuente configurable para tablero de horarios */
  --schedule-font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  /* Tamaño de fuente global configurable */
  --schedule-font-size: 12px;
  
  /* Densidad de vista */
  --density-padding: var(--space-md);
  --density-gap: var(--space-sm);
  --density-font-size: var(--schedule-font-size, 12px);

  /* Anchos mínimos para columnas del tablero */
  --schedule-label-col-min: 130px;
  --schedule-day-col-min: 110px;
}

/* Dark Theme - Colores Zen Nocturnos */
[data-theme="dark"] {
  --primary: #0891b2;
  --primary-light: #a78bfa;
  
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #334155;
  --bg-input: #475569;
  --bg-modal: rgba(0, 0, 0, 0.7);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --border-color: #475569;
  --border-focus: #0891b2;
  
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-focus: 0 0 0 4px rgba(139, 92, 246, 0.15);
}

[data-theme="claude"] {
  --primary: #d97757;
  --primary-light: #e4947a;
  --bg-primary: #f5f2ed;
  --bg-secondary: #e8e4db;
  --bg-card: #e8e4db;
  --bg-input: #dfd8cb;
  --bg-modal: rgba(44, 44, 44, 0.5);
  --text-primary: #2c2c2c;
  --text-secondary: #5a5a5a;
  --text-muted: #8a8a8a;
  --border-color: #d1c7b7;
  --border-focus: #d97757;
  --shadow-sm: 0 1px 3px 0 rgba(44, 44, 44, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(44, 44, 44, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(44, 44, 44, 0.1);
}

/* Variantes del sistema */
[data-theme-variant="deep-dark"] {
  --primary: #818cf8;
  --primary-light: #a5b4fc;
  --bg-primary: #020617;
  --bg-secondary: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #0f172a;
  --bg-modal: rgba(0, 0, 0, 0.75);
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #1e293b;
  --border-focus: #818cf8;
}

[data-theme-variant="claude-dark"] {
  --primary: #d97757;
  --primary-light: #e08a6f;
  --bg-primary: #171717;
  --bg-secondary: #212121;
  --bg-card: #2a2a2a;
  --bg-input: #171717;
  --bg-modal: rgba(0, 0, 0, 0.75);
  --text-primary: #e3e3e3;
  --text-secondary: #b4b4b4;
  --text-muted: #737373;
  --border-color: #333333;
  --border-focus: #d97757;
}

[data-theme-variant="aurora"] {
  --primary: #22c55e;
  --primary-light: #4ade80;
  --bg-primary: #071a17;
  --bg-secondary: #0d2420;
  --bg-card: #12312c;
  --bg-input: #0d2420;
  --bg-modal: rgba(0, 0, 0, 0.75);
  --text-primary: #e6fffb;
  --text-secondary: #a7f3d0;
  --text-muted: #7dd3fc;
  --border-color: #14443d;
  --border-focus: #22c55e;
}

[data-theme-variant="cobalt"] {
  --primary: #2563eb;
  --primary-light: #60a5fa;
  --bg-primary: #f1f7ff;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #e8f0ff;
  --bg-modal: rgba(15, 23, 42, 0.4);
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border-color: #dbeafe;
  --border-focus: #2563eb;
}

[data-theme-variant="rose"] {
  --primary: #ec4899;
  --primary-light: #f472b6;
  --bg-primary: #fff1f5;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #ffe4e6;
  --bg-modal: rgba(15, 23, 42, 0.4);
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --border-color: #fecdd3;
  --border-focus: #ec4899;
}

/* ========================================
   LAYOUT PRINCIPAL ZEN
   ======================================== */
body { 
  margin:0; 
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; 
  background: var(--bg-primary); 
  color: var(--text-primary);
  line-height: 1.6;
  transition: all 0.3s ease;
}
#preloader{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);z-index:9999;transition:.4s;}#preloader.hidden{opacity:0;pointer-events:none}
.spinner{width:40px;height:40px;border:4px solid rgba(0,0,0,.1);border-top:4px solid var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}

.app-container{opacity:0;transition:opacity .5s ease;padding:var(--space-xl);max-width:1400px;margin:0 auto;min-height:100vh}
.app-container.loaded{opacity:1}

/* Con dashboard-layout: no anular el layout (como Asistencia); footer al fondo */
.app-container:has(.dashboard-layout){padding:0;margin:0;max-width:none}
.app-container:has(.dashboard-layout) .dashboard-main .main-content{
  flex:1 1 auto;
  min-height:0;
  min-width:0; /* Evita que el flex hijo desborde el contenedor */
  padding:1.5rem clamp(1rem, 3vw, 2.5rem);
  max-width:1800px;
  margin-left:auto;
  margin-right:auto;
  width:100%;
  box-sizing:border-box;
  background:var(--bg-secondary, var(--bg-card));
  border:1px solid var(--border-color);
  border-radius:1rem;
  box-shadow:0 1px 3px rgba(0,0,0,.08);
  overflow-x:hidden; /* Contiene el desborde horizontal del grid de horarios */
}

/* Los hijos directos deben respetar el ancho del main */
.app-container:has(.dashboard-layout) .dashboard-main .main-content > .page-header,
.app-container:has(.dashboard-layout) .dashboard-main .main-content > .schedules-board{
  max-width:100%;
  min-width:0;
}

.page-header{
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-lg)
}

/* Barra única: título/acciones + filtros en una tarjeta (menos altura que dos bloques) */
.page-header.horarios-topbar{
  flex-direction:column;
  align-items:stretch;
  flex:0 0 auto;
  gap:var(--space-sm);
  padding:var(--space-md) var(--space-lg);
  margin-bottom:var(--space-md);
}
.horarios-topbar__main{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:var(--space-sm) var(--space-md);
  flex:0 0 auto;
  align-content:flex-start;
}
.page-header.horarios-topbar .header-left{
  flex-direction:row;
  flex-wrap:wrap;
  align-items:baseline;
  gap:var(--space-sm) var(--space-md);
}
.page-header.horarios-topbar .header-subtitle{
  font-size:12px;
  font-weight:500;
  color:var(--text-secondary);
  max-width:min(100%,42rem);
}
.page-header.horarios-topbar h1{font-size:22px}
.page-header.horarios-topbar h1 i{font-size:20px}
.header-left{display:flex;flex-direction:column;gap:var(--space-xs)}
.page-header h1{margin:0;font-size:28px;font-weight:700;letter-spacing:-0.025em;display:flex;align-items:center;gap:var(--space-sm);color:var(--text-primary)}
.page-header h1 i{color:var(--primary);font-size:24px}
.header-subtitle{font-size:14px;color:var(--text-secondary);font-weight:500}
.header-actions{display:flex;gap:var(--space-sm);align-items:center;flex-wrap:wrap}
.header-actions .btn-has-text{display:inline-flex}
.header-actions .btn-icon-only{min-width:44px;min-height:44px;padding:var(--space-sm);justify-content:center}
.view-controls{display:flex;gap:var(--space-xs);align-items:center;padding:4px;background:var(--bg-input);border-radius:var(--border-radius-sm);border:1px solid var(--border-color)}
.action-separator{width:1px;height:32px;background:var(--border-color);margin:0 var(--space-sm)}
/* ========================================
   BOTONES ZEN
   ======================================== */
.btn{
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}
.btn:hover::before {
  left: 100%;
}
.btn:hover{
  background: var(--primary);
  color: var(--text-white);
  border-color: var(--primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary{background:linear-gradient(135deg, var(--primary), var(--primary-light));color:var(--text-white);border:none;box-shadow:var(--shadow-sm)}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-secondary{background:var(--bg-input);color:var(--text-secondary)}
.btn-secondary:hover{background:var(--border-color);color:var(--text-primary)}

/* Botones de icono */
.btn-icon{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border:none;border-radius:var(--border-radius-xs);background:transparent;
  color:var(--text-secondary);cursor:pointer;transition:all 0.2s ease;position:relative;
}
.btn-icon:hover{background:var(--primary);color:var(--text-white);transform:scale(1.05)}
.btn-icon.active{background:var(--primary);color:var(--text-white);box-shadow:var(--shadow-sm)}
.btn-icon i{font-size:16px}

/* Menú de densidad */
.density-selector{position:relative}
.density-menu{
  position:absolute;top:calc(100% + 8px);right:0;background:var(--bg-card);border:1px solid var(--border-color);
  border-radius:var(--border-radius-sm);box-shadow:var(--shadow-lg);padding:var(--space-sm);
  display:none;flex-direction:column;gap:var(--space-xs);min-width:180px;max-width:min(220px,calc(100vw - 2rem));z-index:1000;
  animation:menuSlideIn 0.2s ease;
}
.density-menu.show{display:flex}
.density-menu button{
  display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);
  border:none;background:transparent;color:var(--text-primary);border-radius:var(--border-radius-xs);
  cursor:pointer;transition:all 0.2s ease;font-size:14px;text-align:left;
}
.density-menu button:hover{background:var(--primary);color:var(--text-white)}
.density-menu button i{width:16px;color:var(--primary)}
.density-menu button:hover i{color:var(--text-white)}
@keyframes menuSlideIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* Overrides tema oscuro para botones generales */
[data-theme="dark"] .btn{background:var(--bg-card);color:var(--text-secondary);border-color:var(--border-color);box-shadow:var(--shadow-xs)}
[data-theme="dark"] .btn-secondary{background:var(--bg-input);color:var(--text-secondary);border-color:var(--border-color)}
[data-theme="dark"] .btn:hover,[data-theme="dark"] .btn-secondary:hover{background:var(--primary);color:var(--text-white);border-color:var(--primary);box-shadow:var(--shadow-focus)}
[data-theme="dark"] .btn:active{transform:translateY(1px)}
[data-theme="dark"] .btn:focus{outline:none;box-shadow:var(--shadow-focus)}

/* ========================================
   FILTROS ZEN
   ======================================== */
.filters-panel{
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:var(--space-lg);
  align-items:end;
}
.filter-group{display:flex;flex-direction:column;gap:var(--space-sm)}
.filter-group label{font-size:12px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--text-secondary)}
.filter-group select, .filter-group input{
  padding:var(--space-md);border:1px solid var(--border-color);border-radius:var(--border-radius-xs);
  background:var(--bg-input);font-size:14px;color:var(--text-primary);transition:all 0.2s ease
}
.filter-group select:focus, .filter-group input:focus{
  outline:none;border-color:var(--primary);box-shadow:var(--shadow-focus)
}
.filter-group.actions{display:flex;flex-direction:row;gap:var(--space-sm);min-width:0;align-items:center}
.filters-panel.filters-panel--embedded{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  align-content:flex-start;
  gap:var(--space-sm) var(--space-md);
  background:transparent;
  border:none;
  box-shadow:none;
  border-radius:0;
  padding:0;
  margin:0;
  padding-top:var(--space-sm);
  margin-top:0;
  border-top:1px solid var(--border-color);
  flex:0 0 auto;
  width:100%;
  min-width:0;
}
.filters-panel.filters-panel--embedded .filter-group{
  flex:1 1 11rem;
  min-width:0;
  max-width:100%;
}
.filters-panel.filters-panel--embedded .filter-group.actions{
  flex:0 0 auto;
}
.filters-panel.filters-panel--embedded .filter-group label{
  font-size:11px;
  margin-bottom:0;
}
.filters-panel.filters-panel--embedded .filter-group select,
.filters-panel.filters-panel--embedded .filter-group input{
  padding:var(--space-sm) var(--space-md);
  min-height:0;
}
/* ========================================
   GRID DE HORARIOS ZEN
   ======================================== */
.schedules-board{
  background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--border-radius);
  box-shadow:var(--shadow-sm);padding:var(--space-xl);min-height:400px;position:relative;
  transition: all 0.3s ease;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}
.schedules-board:hover{
  box-shadow:var(--shadow-md);
}
.empty-state{text-align:center;padding:var(--space-2xl) var(--space-lg);color:var(--text-muted)}
.empty-state h3{margin:0 0 var(--space-sm);font-size:20px;font-weight:600;color:var(--text-secondary)}
.empty-state p{margin:0;font-size:15px}

/* ========================================
   EFECTO SUTIL PARA LECCIÓN ACTUAL
   ======================================== */
.current-lesson { position: relative; }

/* Contenedor brillo + realce */
/* Usa los colores propios de la tarjeta si existen */
.current-lesson .schedule-slot {
  position: relative;
  overflow: hidden;
  /* Fallbacks */
  --_main: var(--slot-main-color, var(--primary));
  --_accent: var(--slot-accent-color, var(--primary-light));
  --_mixA: color-mix(in srgb, var(--_main) 78%, var(--_accent));
  --_mixB: color-mix(in srgb, var(--_accent) 55%, #ffffff 5%);
  border: 2px solid var(--_mixA);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--_mixA) 55%, transparent), 0 4px 14px -2px color-mix(in srgb, var(--_mixA) 55%, transparent);
  filter: saturate(1.12) brightness(1.03);
  background-image: linear-gradient(135deg, color-mix(in srgb, var(--_mixA) 22%, transparent), color-mix(in srgb, var(--_accent) 15%, transparent)), linear-gradient(135deg, var(--_main), var(--_accent));
  background-blend-mode: overlay, normal;
  transition: filter .4s ease, box-shadow .4s ease, background-color .4s ease, border-color .4s ease;
}

.current-lesson .schedule-slot:hover { filter: saturate(1.2) brightness(1.05); }

/* Halo pulsante exterior */
.current-lesson::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 12px;
  --_main: var(--slot-main-color, var(--primary));
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--_main) 40%, transparent), rgba(0,0,0,0) 70%);
  animation: currentHalo 3.2s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

/* Barrido ligero interno */
.current-lesson .schedule-slot::before {
  content: '';
  position: absolute;
  top:0;left:-120%;
  width:120%;height:100%;
  background: linear-gradient(100deg, transparent 0%, rgba(255,255,255,0.35) 45%, rgba(255,255,255,0.15) 55%, transparent 70%);
  animation: slotShine 4.2s cubic-bezier(.6,.2,.4,1) infinite;
  mix-blend-mode: screen;
  pointer-events:none;
  z-index:1;
}

[data-theme="dark"] .current-lesson .schedule-slot {
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--_mixA) 60%, transparent), 0 4px 18px -2px color-mix(in srgb, var(--_mixA) 60%, transparent);
  filter: saturate(1.22) brightness(1.08);
  background-image: linear-gradient(135deg, color-mix(in srgb, var(--_mixA) 30%, transparent), color-mix(in srgb, var(--_accent) 18%, transparent)), linear-gradient(135deg, var(--_main), var(--_accent));
}

[data-theme="dark"] .current-lesson .schedule-slot::before { background: linear-gradient(100deg, transparent 0%, rgba(255,255,255,0.22) 45%, rgba(255,255,255,0.08) 55%, transparent 70%); }

/* Indicador de tiempo (un poco más visible) */
.current-lesson .time-indicator {
  position:absolute;top:4px;right:4px;
  --_main: var(--slot-main-color, var(--success));
  --_accent: var(--slot-accent-color, #12a970);
  background:linear-gradient(135deg, var(--_accent), var(--_main));
  color:#fff;font-size:9px;font-weight:600;padding:3px 6px;border-radius:6px;
  letter-spacing:.3px;box-shadow:0 2px 4px rgba(0,0,0,.15);
  z-index:2;opacity:.95;
  animation: indicatorPop .6s ease;
}

@keyframes indicatorPop { 0%{transform:scale(.6);opacity:0;} 60%{transform:scale(1.07);opacity:1;} 100%{transform:scale(1);} }

@keyframes slotShine { 0%{left:-120%;} 55%{left:100%;} 100%{left:100%;} }
@keyframes currentHalo { 0%,100%{opacity:.55;transform:scale(1);} 50%{opacity:0;transform:scale(1.15);} }

/* Transiciones suaves para cambios de estado */
.schedule-cell {
  transition: all 0.3s ease;
}

.schedule-slot {
  transition: all 0.3s ease;
}

/* Modo personalizado: tipo y hora dentro de cada celda por día */
.schedule-cell--custom {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
}
.schedule-cell-block-info {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.2;
  flex-shrink: 0;
}
.schedule-cell--custom .schedule-slot,
.schedule-cell--custom .add-slot-btn {
  flex: 1;
  min-height: 2em;
}

.schedule-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:4px;
  transform:scale(var(--grid-scale-x),var(--grid-scale-y));
  transform-origin:top left;
  width: max-content;
  min-width: 100%;
}

/* Headers sticky para mejor uso en scroll horizontal */
.schedule-header--corner{
  position: sticky;
  top: 0;
  left: 0;
  z-index: 40;
}
.schedule-header--day{
  position: sticky;
  top: 0;
  z-index: 30;
}
.schedule-header--time{
  position: sticky;
  left: 0;
  z-index: 20;
  box-shadow: 10px 0 18px -16px rgba(0,0,0,0.45);
}
.schedule-header--editable-duration{
  cursor: pointer;
}
.schedule-header--editable-duration:hover{
  background: color-mix(in srgb, var(--primary, #2563eb) 12%, transparent);
}

/* Modal editar duración de bloque */
.duration-modal .modal-body {
  gap: var(--space-lg);
}
.duration-modal-block-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-secondary, #f1f5f9);
  border-radius: var(--border-radius-xs, 8px);
  border: 1px solid var(--border-color, #e2e8f0);
}
[data-theme="dark"] .duration-modal-block-info {
  background: color-mix(in srgb, var(--primary) 8%, var(--bg-primary));
  border-color: color-mix(in srgb, var(--primary) 25%, transparent);
}
.duration-modal-block-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.duration-modal-block-time {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}
.duration-modal .config-section {
  margin: 0;
}
.duration-input-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-xs);
}
.duration-modal .duration-input-wrap input[type="range"] {
  flex: 1;
  min-width: 0;
  height: 8px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-secondary, #e2e8f0);
  border-radius: 4px;
  outline: none;
}
.duration-modal .duration-input-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary, #2563eb);
  cursor: pointer;
  box-shadow: var(--shadow-soft, 0 2px 6px rgba(0,0,0,0.15));
  border: 2px solid var(--bg-primary, #fff);
}
.duration-modal .duration-input-wrap input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary, #2563eb);
  cursor: pointer;
  box-shadow: var(--shadow-soft, 0 2px 6px rgba(0,0,0,0.15));
  border: 2px solid var(--bg-primary, #fff);
}
.duration-value-output {
  flex-shrink: 0;
  min-width: 4ch;
  font-weight: 600;
  font-size: 1rem;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}
.duration-modal-hint {
  margin: 0;
  padding: 0 var(--space-xs);
  color: var(--text-muted, #64748b);
  font-size: 0.85rem;
  line-height: 1.4;
}
[data-theme="dark"] .schedule-header--time{
  box-shadow: 10px 0 18px -16px rgba(0,0,0,0.75);
}

/* Modos de densidad */
[data-density="compact"]{
  --density-padding: 6px;
  --density-gap: 4px;
  --density-font-size: calc(var(--schedule-font-size, 12px) - 1px);
  --cell-height: 48px;
}
[data-density="compact"] .schedule-header{padding:3px;font-size:calc(var(--schedule-font-size, 12px) - 3px)}
[data-density="compact"] .schedule-cell{padding:3px;min-height:40px}
[data-density="compact"] .slot-grade-main{font-size:calc(var(--schedule-font-size, 12px) - 2px);padding:2px 4px}
[data-density="compact"] .slot-subject{font-size:calc(var(--schedule-font-size, 12px) - 4px)}
[data-density="compact"] .slot-room{font-size:calc(var(--schedule-font-size, 12px) - 5px)}
[data-density="compact"] .schedule-slot{padding:3px 4px;gap:1px}
[data-density="compact"] .slot-has-entry{padding:2px 4px;min-height:3.25rem}

[data-density="normal"]{
  --density-padding: var(--space-sm);
  --density-gap: var(--space-sm);
  --density-font-size: var(--schedule-font-size, 12px);
  --cell-height: 64px;
}

[data-density="spacious"]{
  --density-padding: var(--space-lg);
  --density-gap: var(--space-md);
  --density-font-size: calc(var(--schedule-font-size, 12px) + 1px);
  --cell-height: 80px;
}
[data-density="spacious"] .schedule-header{padding:var(--space-md);font-size:calc(var(--schedule-font-size, 12px) + 1px)}
[data-density="spacious"] .schedule-cell{padding:var(--space-md);min-height:80px}
[data-density="spacious"] .slot-has-entry{min-height:5.25rem}
[data-density="spacious"] .slot-grade-main{font-size:calc(var(--schedule-font-size, 12px) + 3px);padding:var(--space-xs) var(--space-sm)}
[data-density="spacious"] .slot-subject{font-size:var(--schedule-font-size, 12px)}
[data-density="spacious"] .slot-room{font-size:calc(var(--schedule-font-size, 12px) - 2px)}

/* Vista diaria - ocultar días excepto el actual */
[data-view-mode="day"] .schedule-grid{
  grid-template-columns: minmax(var(--schedule-label-col-min, 130px), 200px) minmax(220px, 1fr) !important;
}
[data-view-mode="day"] .schedule-header--day:not(.current-day-header),
[data-view-mode="day"] .schedule-cell:not(.current-day-cell){
  display:none;
}
.schedule-header{
  font-size:calc(var(--schedule-font-size, 12px) * 0.92);text-transform:uppercase;font-weight:600;color:var(--text-secondary);
  letter-spacing:.4px;padding:4px;text-align:center;
  background:var(--bg-input);border-radius:var(--border-radius-xs);
  border:1px solid var(--border-color);
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  transition: all 0.2s ease;
}
.schedule-header:hover{
  background: var(--bg-secondary);
  transform: translateY(-1px);
}
.schedule-header.current-day-header{
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--text-white);
  border-color: var(--primary);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}
.schedule-header span{
  font-size:11px;
  font-weight:600;
  margin-top:2px;
  opacity:1;
  color:var(--text-primary);
  letter-spacing:0.2px;
}
.schedule-header.current-day-header span{
  color:rgba(255,255,255,0.95);
}
.schedule-cell{
  background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--border-radius-xs);
  padding:4px;min-height:var(--cell-height);display:flex;flex-direction:column;gap:2px;
  font-size:var(--density-font-size);position:relative;overflow:hidden;transition:all 0.3s ease;
  justify-content:center;
}
.schedule-cell:hover{
  box-shadow:var(--shadow-md);
  border-color:var(--primary);
  transform: translateY(-2px);
}
.schedule-cell.current-day-cell{
  border: 2px solid var(--primary);
  background: color-mix(in srgb, var(--primary) 5%, var(--bg-input));
}

/* Centrar contenido de celdas de lección */
.schedule-cell[data-type="lesson"]{justify-content:center}

/* Celdas de recreo: un poco más bajas y centradas */
.schedule-cell[data-type="break"]{min-height:calc(var(--cell-height) * .65)}
.schedule-cell[data-type="break"] .schedule-slot{
  display:flex;align-items:center;justify-content:center; text-align:center; height:100%;
}

/* Alineación centrada para almuerzo también (consistencia visual) */
.schedule-cell[data-type="lunch"] .schedule-slot{
  display:flex;align-items:center;justify-content:center; text-align:center; height:100%;
}

.schedule-slot{
  background:linear-gradient(135deg, var(--primary), var(--primary-light));
  color:var(--text-white);padding:6px 8px;border-radius:var(--border-radius-xs);
  font-size:var(--density-font-size);display:flex;flex-direction:column;gap:3px;
  box-shadow:var(--shadow-sm);cursor:pointer;transition:all 0.3s ease;
  position: relative;
  overflow: hidden;
  align-items:center;
  justify-content:center;
  min-height:calc(var(--cell-height) - 12px);
}
.schedule-slot::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.schedule-slot:hover::before {
  left: 100%;
}
.schedule-slot:hover{
  filter:brightness(1.1);
  transform:translateY(-2px) scale(1.02);
  box-shadow:var(--shadow-lg);
}

.slot-has-entry{
  position:relative;
  padding:6px 8px;
  text-align:center;
  /* Misma altura aunque falte materia o aula: espacio para 3 líneas (grado, materia, aula) */
  min-height: 4.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}
.slot-grade-main{
  font-size:calc(var(--schedule-font-size, 12px) * 1.05);font-weight:700;letter-spacing:.3px;margin-bottom:2px;
  text-transform:uppercase;background:rgba(255,255,255,.22);padding:4px 10px;
  border-radius:var(--border-radius-xs);display:inline-block;
  line-height:1.4;
}
.slot-subject{
  font-size:calc(var(--schedule-font-size, 12px) * 0.85);opacity:.92;line-height:1.2;margin-bottom:1px;
  font-weight:500;letter-spacing:.2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  max-width:100%;
}
.slot-room{font-size:calc(var(--schedule-font-size, 12px) * 0.7);opacity:.75;font-style:italic;line-height:1.2}

.add-slot-btn{
  width:100%;display:flex;align-items:center;justify-content:center;gap:var(--space-xs);
  padding:var(--space-sm);border:1px dashed var(--border-color);
  background:rgba(255,255,255,.85);color:var(--text-secondary);border-radius:var(--border-radius-xs);
  font-size:12px;font-weight:600;cursor:pointer;transition:all 0.2s ease;letter-spacing:.3px
}
[data-theme="dark"] .add-slot-btn{background:rgba(51,65,85,.6);color:var(--text-secondary);border-color:var(--border-color)}
.add-slot-btn:hover{background:var(--primary);color:var(--text-white);border-color:var(--primary);box-shadow:var(--shadow-focus)}
[data-theme="dark"] .add-slot-btn:hover{background:var(--primary);color:var(--text-white)}
.add-slot-btn:focus{outline:none;box-shadow:var(--shadow-focus)}
[data-theme="dark"] .add-slot-btn:focus{box-shadow:var(--shadow-focus)}
.add-slot-btn:active{transform:translateY(1px)}

.page-footer{text-align:center;margin-top:var(--space-2xl);font-size:12px;color:var(--text-muted)}
/* Empaque impresión horarios (institucional + meta); oculto en pantalla — igual lógica que PDF estudiantes */
.horarios-print-stack{display:none;margin:0;font-family:'Inter','DejaVu Sans',sans-serif;color:#000;text-align:center}
.horarios-print-institutional__table{width:100%;max-width:100%;table-layout:fixed;border-collapse:collapse;margin-bottom:10px;word-wrap:break-word}
.horarios-print-institutional__logo-cell{width:22%;vertical-align:middle;text-align:center;padding:4px}
.horarios-print-institutional__logo-cell img{display:inline-block;max-width:100%;height:auto}
.horarios-print-institutional__band{width:56%;vertical-align:middle;text-align:center;padding:8px;border-radius:4px}
.horarios-print-institutional__inst{font-size:10px;font-weight:bold;line-height:1.2}
.horarios-print-institutional__gov{font-size:8px;margin-top:2px;opacity:.95}
.horarios-print-institutional__doc-title{font-size:13px;font-weight:bold;margin-top:6px;text-transform:uppercase;letter-spacing:.3px}
.horarios-print-institutional__teacher{font-size:9px;margin-top:4px}
.horarios-print-institutional__meta{font-size:8px;margin-top:3px;opacity:.95}
.horarios-print-institutional__subtitle{font-size:8px;margin-top:4px}
.horarios-print-footer-meta{display:block;text-align:right;margin-top:6px;font-size:8px;color:#444}
.horarios-print-stack hr.horarios-print-header__rule,
.horarios-print-stack hr{display:none}
/* ========================================
   MODALES ZEN
   ======================================== */
.modal-overlay{position:fixed;inset:0;background:var(--bg-modal);display:flex;align-items:center;justify-content:center;padding:var(--space-lg);overflow:auto;z-index:10000;backdrop-filter:blur(8px)}
#scheduleConfirmModal,#scheduleErrorModal{z-index:10100;}
.modal{background:var(--bg-card);width:100%;max-width:600px;border-radius:var(--border-radius);padding:0;box-shadow:var(--shadow-lg);animation:modalSlideIn 0.3s ease;border:1px solid var(--border-color)}
@keyframes modalSlideIn{from{opacity:0;transform:scale(.95) translateY(-20px)}to{opacity:1;transform:scale(1) translateY(0)}}
/* position relative anula .modal-header sticky de dashboard.css en este módulo */
.modal-header{
  position:relative;
  top:auto;
  z-index:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:var(--space-xl) var(--space-xl) 0;
  margin-bottom:var(--space-lg);
  background:var(--bg-card);
}
.modal-header h2{margin:0;font-size:22px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:var(--space-sm)}
.close-btn{width:36px;height:36px;border:none;border-radius:50%;background:var(--bg-input);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;transition:all 0.2s ease}
.close-btn:hover{background:var(--danger);color:var(--text-white);transform:scale(1.1)}
.modal-body{padding:0 var(--space-xl);max-height:70vh;overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-lg);position:relative}
#scheduleErrorModal .schedule-error-modal-message{color:var(--text-primary);line-height:1.5;margin:0}
.modal-body{scrollbar-width:thin}
.modal-body::-webkit-scrollbar{width:8px}
.modal-body::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:8px}
.modal-body::-webkit-scrollbar-thumb{background:var(--bg-input);border-radius:8px}
.modal-body::-webkit-scrollbar-thumb:hover{background:var(--primary)}
.config-section{background:var(--bg-input);padding:var(--space-lg);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);box-shadow:var(--shadow-xs);display:flex;flex-direction:column;gap:var(--space-md)}
.section-title{margin:0 0 var(--space-sm);font-size:15px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--text-secondary)}
.form-group.disabled{opacity:.45;pointer-events:none;filter:grayscale(.3)}
.help-time{display:block;margin-top:4px;font-size:11px;color:var(--text-secondary);font-weight:500;letter-spacing:.5px}

/* Fuente configurable aplicada sobre tablero y elementos clave */
.schedules-board,
.schedules-board .schedule-header,
.schedules-board .schedule-slot,
.schedules-board .slot-grade-main,
.schedules-board .add-slot-btn { font-family: var(--schedule-font-family, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif); }

/* Reglas masivas UI */
.mass-rules-list{display:flex;flex-direction:column;gap:8px}
.mass-rule-item{display:flex;align-items:center;gap:10px;background:var(--bg-input);border:1px solid var(--border-color);padding:8px 10px;border-radius:10px}
.mass-rule-item .rule-color{display:inline-block;width:16px;height:16px;border-radius:4px;border:1px solid rgba(0,0,0,.1)}

/* Modal navigation chips */
.color-modal-nav{
  position:sticky;top:0;z-index:20;display:flex;flex-wrap:wrap;gap:6px;
  padding:8px 4px 14px;margin:-4px 0 8px;
  background:linear-gradient(180deg, var(--bg-card) 60%, transparent);
  backdrop-filter:blur(8px);
  border-bottom: 1px solid var(--border-color);
}
.nav-chip{
  background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-secondary);
  padding:8px 14px;font-size:12px;font-weight:600;letter-spacing:.5px;
  border-radius:20px;cursor:pointer;transition:.25s all;
  position: relative;
  overflow: hidden;
}
.nav-chip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.nav-chip:hover{
  background:var(--primary);color:#fff;border-color:var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.nav-chip.active{
  background:linear-gradient(145deg,var(--primary),var(--primary-light));
  color:#fff;border-color:var(--primary-light);
  box-shadow:0 3px 8px -1px rgba(0,0,0,.4);
  transform: translateY(-1px);
}
html{scroll-behavior:smooth}

/* Days Selector - Visual improvements */
.days-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 10px;
}

.days-selector label {
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(160deg,var(--bg-input),var(--bg-secondary));
  border:2px solid var(--border-color);
  border-radius:14px;
  padding:10px 6px;
  cursor:pointer;
  transition:all .3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight:600;
  font-size:13px;
  position:relative;
  min-height:52px;
  letter-spacing:.5px;
  box-shadow: var(--shadow-xs);
}

.days-selector label::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.days-selector label:hover {
  border-color: var(--primary);
  background:linear-gradient(160deg,var(--bg-secondary),var(--bg-input));
  transform:translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.days-selector label:has(input:checked) {
  background:linear-gradient(145deg,var(--primary),var(--primary-light));
  border-color: var(--primary-light);
  color:#fff;
  box-shadow:0 6px 16px -2px rgba(0,0,0,.4),0 0 0 3px rgba(255,255,255,.08) inset;
  transform: translateY(-2px);
}

.days-selector label:has(input:checked)::before {
  opacity: 1;
}

.days-selector input[type="checkbox"] {
  appearance: none;
  margin: 0;
  position: absolute;
  inset:0;
}

/* Additional day selector refinements */
.days-selector .day-text{pointer-events:none;display:block;text-align:center;white-space:nowrap}
.form-row .form-group select, .form-row .form-group input[type=color]{height:48px}
.form-row .form-group input[type=color]{padding:4px}

.days-selector label[style*="margin-left"] {
  grid-column: 1 / -1;
  background: var(--bg-secondary);
  border-style: dashed;
  justify-content: center;
  font-weight: 600;
  margin-top: 8px;
}

.days-selector label[style*="margin-left"]:has(input:checked) {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--bg-primary);
}

/* Range Row - Better styling */
.range-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 8px 12px;
}

.range-row input[type="number"] {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  color: var(--text-primary);
  min-width: 60px;
}

.range-row input[type="number"]:focus {
  outline: none;
  background: var(--bg-card);
  border-radius: 4px;
}

.range-row span {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 13px;
}

/* Mass Colors Section Enhancements */
.mass-colors-info {
  margin-bottom: 16px;
}

.section-description {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0;
  background: var(--bg-input);
  padding: 12px;
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--primary);
}

.preset-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.preset-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
}

.preset-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease;
}

.preset-btn:hover::before {
  width: 200%;
  height: 200%;
}

.preset-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.preset-btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.color-picker-container {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 8px;
}

.color-picker-container input[type="color"] {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
}

.color-preview-text {
  background: var(--primary);
  color: white;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  flex: 1;
  text-align: center;
}

.validation-message {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 12px;
  margin-top: 4px;
}

[data-theme="dark"] .validation-message {
  background: #450a0a;
  border-color: #991b1b;
  color: #fca5a5;
}

.empty-rules-message {
  text-align: center;
  padding: 24px;
  color: var(--text-secondary);
  background: var(--bg-input);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-sm);
}

.empty-icon {
  font-size: 24px;
  display: block;
  margin-bottom: 8px;
}

.empty-rules-message p {
  margin: 4px 0;
  font-weight: 500;
}

.empty-rules-message small {
  font-size: 11px;
  opacity: 0.8;
}

.section-note {
  display: flex;
  gap: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 12px;
  margin-top: 16px;
}

.note-icon {
  font-size: 16px;
  margin-top: 2px;
}

.note-content {
  flex: 1;
}

.note-content strong {
  color: var(--text-primary);
  font-size: 13px;
}

.note-content p {
  margin: 4px 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Enhanced mass rule items */
.mass-rule-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 14px;
  box-shadow: var(--shadow-xs);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.mass-rule-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mass-rule-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateX(4px);
}

.mass-rule-item:hover::before {
  opacity: 1;
}

.mass-rule-item .rule-color {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  border: 2px solid white;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: transform 0.2s ease;
}

.mass-rule-item:hover .rule-color {
  transform: scale(1.1);
}

/* Button improvements */
.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--border-radius-xs);
}

.btn-secondary {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

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

/* Responsive improvements */
@media (max-width: 768px) {
  .days-selector {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .preset-buttons {
    justify-content: center;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .mass-rule-item {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  
  .mass-rule-item > div:first-child {
    margin-bottom: 4px;
  }
}
.lesson-type-group{display:flex;gap:var(--space-lg);flex-wrap:wrap;font-size:14px}
.lesson-type-group .radio-option{display:flex;align-items:center;gap:8px;cursor:pointer;font-weight:500;color:var(--text-secondary);padding:var(--space-sm);border:1px solid var(--border-color);border-radius:var(--border-radius-xs);background:var(--bg-input);transition:all 0.2s ease}
.lesson-type-group .radio-option:hover{border-color:var(--primary);background:var(--bg-secondary)}
.lesson-type-group .radio-option input[type=radio]{accent-color:var(--primary);cursor:pointer;margin:0}
.lesson-type-group .radio-option span{font-size:13px;user-select:none}
.form-row.hidden{display:none !important}
.modal-section{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);padding:var(--space-lg);margin-bottom:var(--space-lg);box-shadow:var(--shadow-xs)}
.modal-section:last-child{margin-bottom:0}
.modal-section .section-title{margin:0 0 var(--space-md);font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-secondary)}
.form-group{display:flex;flex-direction:column;gap:var(--space-sm);flex:1}
.form-group.full-width{flex:1 1 100%}
.form-group label{font-size:13px;font-weight:500;color:var(--text-primary);margin-bottom:var(--space-xs)}
.modal-footer{display:flex;justify-content:flex-end;gap:var(--space-md);padding:var(--space-lg) var(--space-xl) var(--space-xl);border-top:1px solid var(--border-color);margin-top:var(--space-lg)}
.disabled-select{opacity:.6;pointer-events:none;filter:saturate(.3)}
.field-hint{font-size:11px;color:var(--text-secondary);line-height:1.2}
.grade-colors-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:var(--space-md)}
.grade-color-item{display:flex;flex-direction:column;gap:6px;background:var(--bg-input);padding:var(--space-sm);border:1px solid var(--border-color);border-radius:var(--border-radius-xs);box-shadow:var(--shadow-xs)}
.grade-color-preview{height:32px;border-radius:var(--border-radius-xs);border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#222;text-shadow:0 1px 1px rgba(255,255,255,.6)}
[data-theme="dark"] .grade-color-preview{color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.5)}
.grade-color-item input[type=color]{width:100%;height:36px;padding:2px;border:1px solid var(--border-color);background:var(--bg-card);cursor:pointer;border-radius:var(--border-radius-xs);box-shadow:var(--shadow-xs)}
.grade-color-item input[type=color]::-webkit-color-swatch{border:none;border-radius:6px}
.grade-color-item input[type=color]::-webkit-color-swatch-wrapper{padding:0;border-radius:6px}
.grade-color-item input[type=color]::-moz-color-swatch{border:none;border-radius:6px}
.grade-color-item input[type=color]:focus{outline:none;border-color:var(--primary);box-shadow:var(--shadow-focus)}
/* Mejoras para color pickers generales */
input[type=color]{width:100%;height:40px;padding:2px;border:1px solid var(--border-color);background:var(--bg-card);cursor:pointer;border-radius:var(--border-radius-xs);box-shadow:var(--shadow-xs)}
input[type=color]::-webkit-color-swatch{border:none;border-radius:6px}
input[type=color]::-webkit-color-swatch-wrapper{padding:0;border-radius:6px}
input[type=color]::-moz-color-swatch{border:none;border-radius:6px}
input[type=color]:focus{outline:none;border-color:var(--primary);box-shadow:var(--shadow-focus)}

/* ========================================
   FORMULARIOS ZEN
   ======================================== */
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-lg);margin-bottom:var(--space-lg)}
.form-group{margin-bottom:var(--space-lg)}
.form-row label{display:block;margin-bottom:var(--space-sm);font-size:14px;font-weight:500;color:var(--text-primary)}
.form-row select,.form-row input,.form-row textarea{
  width:100%;padding:var(--space-md);border:1px solid var(--border-color);border-radius:var(--border-radius-xs);
  background:var(--bg-input);color:var(--text-primary);font-size:14px;font-family:inherit;
  transition:all 0.2s ease;box-sizing:border-box;resize:vertical
}
.form-row select:focus,.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:var(--shadow-focus)
}
[data-theme="dark"] .form-row select,[data-theme="dark"] .form-row input,[data-theme="dark"] .form-row textarea{background:var(--bg-primary);color:var(--text-primary);border-color:var(--border-color)}
[data-theme="dark"] .form-row select:focus,[data-theme="dark"] .form-row input:focus,[data-theme="dark"] .form-row textarea:focus{outline:none;box-shadow:var(--shadow-focus);border-color:var(--primary)}
.time-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:var(--space-lg)}

/* ========================================
   TOASTS ZEN
   ======================================== */
.toast-container{position:fixed;top:var(--space-lg);right:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-sm);z-index:12000}
.toast{background:var(--bg-card);border:1px solid var(--border-color);padding:var(--space-md);border-radius:var(--border-radius-sm);box-shadow:var(--shadow-md);display:flex;align-items:flex-start;gap:var(--space-sm);min-width:280px;opacity:0;transform:translateY(-6px);animation:toast-in .4s forwards}
@keyframes toast-in{to{opacity:1;transform:translateY(0)}}
.toast.success{border-color:var(--success)}.toast.error{border-color:var(--danger)}.toast.warning{border-color:var(--warning)}
.toast-title{font-weight:600;font-size:14px;margin-bottom:var(--space-xs);color:var(--text-primary)}
.toast-message{font-size:13px;line-height:1.3;color:var(--text-secondary)}
.toast-close{background:none;border:none;font-size:18px;cursor:pointer;color:var(--text-secondary);margin-left:auto;padding:0;line-height:1}

/* ========================================
   RESPONSIVE ZEN
   ======================================== */
@media (max-width:900px){.schedule-grid{grid-template-columns:repeat(3,1fr)}}
/* ========================================
   MODAL MEJORADO - ESTRUCTURAS ESPECÍFICAS
   ======================================== */
/* Grid de información del bloque */
.info-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(min(100%, 150px), 1fr));
  gap:var(--space-md);
}
.info-item{
  display:flex;
  flex-direction:column;
  gap:var(--space-sm);
  min-width:0;
}
.info-item label{
  font-size:12px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.5px;
  color:var(--text-secondary);
}
.info-item select, .info-item input{
  width:100%;
  max-width:100%;
  min-width:0;
  box-sizing:border-box;
  padding:var(--space-sm);
  border:1px solid var(--border-color);
  border-radius:var(--border-radius-xs);
  background:var(--bg-card);
  color:var(--text-primary);
  font-size:13px;
  transition:all 0.2s ease;
}
.info-item select:focus, .info-item input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:var(--shadow-focus);
}

/* Modal de asignación: evitar estilos de .info-item del dashboard (tarjeta horizontal) y desbordes del select */
#scheduleModal .info-grid .info-item{
  background:transparent;
  border:none;
  padding:0;
  align-items:stretch;
  flex-direction:column;
  min-width:0;
}
#scheduleModal .info-grid .info-item select,
#scheduleModal .info-grid .info-item input{
  width:100%;
  max-width:100%;
  min-width:0;
  box-sizing:border-box;
}

/* Modal asignación: cabecera (título + subtítulo + ✕) y cuerpo con scroll */
#scheduleModal .modal.schedule-modal{
  display:flex;
  flex-direction:column;
  max-height:min(92vh, 900px);
  overflow:hidden;
}
#scheduleModal .schedule-modal-form{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  min-height:0;
  margin:0;
}
#scheduleModal .modal-header{
  flex-shrink:0;
  align-items:flex-start;
  gap:var(--space-md);
  margin-bottom:0;
  padding:var(--space-lg) var(--space-xl);
  padding-bottom:var(--space-md);
  border-bottom:1px solid var(--border-color);
}
#scheduleModal .schedule-modal-heading{
  flex:1;
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:4px;
}
#scheduleModal .modal-subtitle{
  margin:0;
  font-size:12px;
  font-weight:400;
  line-height:1.35;
  color:var(--text-secondary);
}
#scheduleModal .modal-header .close-btn{
  flex-shrink:0;
  margin-top:2px;
}
#scheduleModal .modal-body{
  flex:1 1 auto;
  min-height:0;
  overflow-y:auto;
  overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
  max-height:none;
  padding-top:var(--space-lg);
  padding-bottom:var(--space-lg);
}
#scheduleModal .modal-footer{
  flex-shrink:0;
  margin-top:0;
  padding-top:var(--space-md);
}

/* ========== Modales Horarios: encabezado y diálogos unificados ========== */
.horarios-modal-heading{
  flex:1;
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.horarios-modal-heading h2{
  margin:0;
}

/* Aviso / confirmación (compactos, acciones en pie) */
.horarios-dialog-modal.modal{
  display:flex;
  flex-direction:column;
  max-height:min(90vh, 640px);
  overflow:hidden;
}
#scheduleErrorModal .modal-header,
#scheduleConfirmModal .modal-header{
  flex-shrink:0;
  align-items:flex-start;
  gap:var(--space-md);
  margin-bottom:0;
  padding:var(--space-lg) var(--space-xl);
  padding-bottom:var(--space-md);
  border-bottom:1px solid var(--border-color);
}
#scheduleErrorModal .modal-header .close-btn,
#scheduleConfirmModal .modal-header .close-btn{
  flex-shrink:0;
  margin-top:2px;
}
#scheduleErrorModal .modal-body,
#scheduleConfirmModal .modal-body{
  flex:1 1 auto;
  min-height:0;
  overflow-y:auto;
  overflow-x:hidden;
  max-height:none;
  padding-top:var(--space-lg);
  padding-bottom:var(--space-lg);
}
#scheduleErrorModal .modal-footer.horarios-dialog-footer,
#scheduleConfirmModal .modal-footer.horarios-dialog-footer{
  flex-shrink:0;
  margin-top:0;
  margin-bottom:0;
  border-top:1px solid var(--border-color);
  padding:var(--space-md) var(--space-xl) var(--space-lg);
  justify-content:flex-end;
  flex-wrap:wrap;
  gap:var(--space-sm);
}

/* Formularios largos: duración, configuración, colores */
#durationModal .modal.horarios-form-modal,
#configModal .modal.horarios-form-modal,
#colorModal .modal.horarios-form-modal{
  display:flex;
  flex-direction:column;
  max-height:min(92vh, 920px);
  overflow:hidden;
}
#durationModal .horarios-modal-form,
#configModal .horarios-modal-form,
#colorModal .horarios-modal-form{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  min-height:0;
  margin:0;
}
#durationModal .modal-header,
#configModal .modal-header,
#colorModal .modal-header{
  flex-shrink:0;
  align-items:flex-start;
  gap:var(--space-md);
  margin-bottom:0;
  padding:var(--space-lg) var(--space-xl);
  padding-bottom:var(--space-md);
  border-bottom:1px solid var(--border-color);
}
#durationModal .modal-body,
#configModal .modal-body,
#colorModal .modal-body{
  flex:1 1 auto;
  min-height:0;
  overflow-y:auto;
  overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
  max-height:none;
  padding-top:var(--space-lg);
  padding-bottom:var(--space-lg);
}
#durationModal .modal-footer,
#configModal .modal-footer,
#colorModal .modal-footer{
  flex-shrink:0;
  margin-top:0;
  border-top:1px solid var(--border-color);
  padding-top:var(--space-md);
  padding-bottom:var(--space-lg);
}
#durationModal .modal-header .close-btn,
#configModal .modal-header .close-btn,
#colorModal .modal-header .close-btn{
  flex-shrink:0;
  margin-top:2px;
}

/* Radio Cards para clasificación */
.classification-container{
  width:100%;
}
.radio-cards{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(160px, 1fr));
  gap:var(--space-md);
}
.radio-card{
  position:relative;
  cursor:pointer;
  border:2px solid var(--border-color);
  border-radius:var(--border-radius-sm);
  padding:var(--space-lg);
  background:var(--bg-card);
  transition:all 0.3s ease;
  display:block;
  text-align:center;
  box-shadow:var(--shadow-xs);
}
.radio-card:hover{
  border-color:var(--primary);
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}
.radio-card input[type=radio]{
  position:absolute;
  opacity:0;
  pointer-events:none;
}
.radio-card input[type=radio]:checked + .radio-card-content{
  color:var(--text-white);
}
.radio-card input[type=radio]:checked + .radio-card-content .radio-card-icon{
  transform:scale(1.2);
}
.radio-card:has(input:checked){
  border-color:var(--primary);
  background:linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow:var(--shadow-lg);
}
.radio-card-content{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:var(--space-sm);
  transition:all 0.2s ease;
}
.radio-card-icon{
  font-size:24px;
  transition:transform 0.2s ease;
}
.radio-card-title{
  font-weight:600;
  font-size:14px;
  letter-spacing:0.3px;
}
.radio-card-desc{
  font-size:11px;
  opacity:0.8;
  line-height:1.2;
}

/* Header: mejorar orden y apilado en tablets */
@media (max-width: 768px) {
  .page-header .header-actions {
    width: 100%;
    justify-content: flex-start;
  }
  .page-header .header-actions .view-controls {
    flex-shrink: 0;
  }
  .filters-panel:not(.filters-panel--embedded) {
    grid-template-columns: repeat(2, 1fr);
  }
  .filters-panel:not(.filters-panel--embedded) .filter-group.actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }
  .filters-panel.filters-panel--embedded .filter-group.actions{
    flex:1 1 100%;
    justify-content:flex-end;
  }
}

@media (max-width:600px){
  .app-container{padding:var(--space-lg)}
  .page-header{padding:var(--space-lg);flex-direction:column;align-items:stretch;gap:var(--space-md)}
  .page-header .btn-icon{min-width:44px;min-height:44px;width:44px;height:44px}
  .density-menu button{min-height:44px;padding:var(--space-sm) var(--space-md)}
  .filters-panel:not(.filters-panel--embedded){grid-template-columns:1fr;padding:var(--space-lg)}
  .filters-panel:not(.filters-panel--embedded) .filter-group.actions{grid-column:1 / -1;justify-content:stretch}
  .filters-panel.filters-panel--embedded .filter-group{flex:1 1 100%}
  .filters-panel.filters-panel--embedded .filter-group.actions{justify-content:stretch}
  .filters-panel.filters-panel--embedded .filter-group.actions .btn{width:100%}
  .schedules-board{padding:12px;border-radius:14px}
  :root{
    --schedule-label-col-min: 110px;
    --schedule-day-col-min: 95px;
  }
  .schedule-grid{transform:none}
  .schedule-header{padding:6px;font-size:11px}
  .schedule-cell{min-height:52px}

  /* En móvil: la columna de lecciones/horas NO debe quedar fija */
  .schedule-header--time{
    position: static;
    left: auto;
    z-index: auto;
    box-shadow: none;
  }
  /* Mantener la fila de días pegada arriba, pero sin fijar horizontalmente el "corner" */
  .schedule-header--corner{
    left: auto;
  }
  .modal{max-width:95vw;margin:var(--space-md)}
  .modal-header,.modal-body,.modal-footer{padding-left:var(--space-lg);padding-right:var(--space-lg)}
  /* Responsive para estructuras del modal */
  .radio-cards{
    grid-template-columns:1fr;
  }
  .info-grid{
    grid-template-columns:repeat(auto-fit, minmax(120px, 1fr));
  }
}

@media (max-width: 520px) {
  .page-header.horarios-topbar .header-left{
    flex-direction:column;
    align-items:flex-start;
    gap:2px;
  }
}

/* Móviles muy estrechos: ocultar texto de botones, solo iconos */
@media (max-width: 480px) {
  .page-header .header-actions .btn-has-text .btn-text {
    display: none;
  }
  .page-header .header-actions .btn-has-text {
    min-width: 44px;
    min-height: 44px;
    padding: var(--space-sm);
  }
  .filters-panel:not(.filters-panel--embedded) {
    padding: var(--space-md);
  }
  .schedules-board {
    padding: var(--space-md);
  }
}

/* ========================================
   IMPRESI�N (vista compacta en una hoja)
   ======================================== */
@media print {
  @page { margin: 6mm; }
  
  /* Ocultar elementos no relevantes para impresión */
  #dashboard-sidebar-placeholder,
  #dashboard-navbar-placeholder,
  .dashboard-sidebar,
  header.dashboard-navbar,
  .dashboard-brand-bar {
    display: none !important;
  }

  .dashboard-layout {
    display: block !important;
  }

  .dashboard-main,
  .main-content {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  #horariosPrintStack.horarios-print-stack,
  #horariosPrintStack {
    display: block !important;
    margin: 0 0 10px 0 !important;
    page-break-after: avoid;
    break-after: avoid;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  #horariosPrintStack hr.horarios-print-header__rule,
  #horariosPrintStack hr {
    display: block !important;
    border: none;
    border-top: 2px solid #1a3a5c;
    margin: 10px 0 12px;
    opacity: 1;
  }

  #horariosPrintStack .horarios-print-footer-meta .print-meta-line--generated:not([hidden]) {
    font-size: 8px;
    margin-top: 4px;
    color: #444;
  }

  .page-header, .filters-panel{display:none !important;}
  body{color:#000}
  body { background: #fff; }
  .app-container { padding: 0; max-width: none; }
  .page-header, .filters-panel, .page-footer, #toastContainer, #preloader,
  .modal-overlay, .header-actions { display: none !important; }
  
  /* Ocultar controles flotantes / barras auxiliares en impresión */
  #aiChatButton,
  #feedbackFloatingBtn,
  #supportTopBtn,
  .feedback-floating-btn,
  .support-top-btn,
  .ai-chat-window {
    display: none !important;
    visibility: hidden !important;
  }
  
  .schedules-board {
    box-shadow: none;
    border: none;
    padding: 0;
    overflow: visible !important;
    width: 100% !important;
    max-width: none !important;
    page-break-inside: avoid;
  }

  /* Evitar artefactos de sticky/fixed en motor de impresión */
  .schedule-header--corner,
  .schedule-header--day,
  .schedule-header--time {
    position: static !important;
    left: auto !important;
    top: auto !important;
    z-index: auto !important;
    box-shadow: none !important;
  }
  
  /* Forzar que todo quepa en una página */
  .schedule-grid {
    gap: 3px !important;
    margin-top: 2px;
    transform: none !important;
    width: 100% !important;
    min-width: unset !important;
    page-break-inside: avoid;
  }
  
  /* Usar var(--print-font-size) si se definió, sino fallback compacto */
  .schedule-header {
    font-size: var(--print-font-size, 9px) !important;
    padding: 3px 4px;
  }
  .schedule-header span {
    font-size: var(--print-font-size, 8px) !important;
  }
  .schedule-cell {
    min-height: var(--print-cell-height, 38px);
    padding: 2px;
  }
  .schedule-slot {
    padding: 4px 5px;
    box-shadow: none;
    border-radius: 4px;
    gap: 1px;
    min-height: var(--print-cell-height, 32px);
    justify-content: center;
  }
  .slot-grade-main {
    font-size: var(--print-font-size, 10px) !important;
    margin-bottom: 1px;
    padding: 2px 6px;
  }
  .slot-subject {
    font-size: calc(var(--print-font-size, 10px) * 0.85) !important;
    margin-bottom: 0;
  }
  .slot-room {
    font-size: calc(var(--print-font-size, 10px) * 0.7) !important;
  }
  .slot-has-entry {
    padding: 3px 5px;
  }
  .add-slot-btn { display:none !important; }
  
  /* Evitar cortes de celdas entre páginas */
  .schedule-cell, .schedule-slot { break-inside: avoid; page-break-inside: avoid; }
  /* Mantener colores en impresión */
  .schedule-slot { -webkit-print-color-adjust: exact; print-color-adjust: exact; }

  /* Quitar resaltado dinámico de la lección actual en impresión */
  .current-lesson::before,
  .current-lesson .schedule-slot::before,
  .current-lesson .time-indicator { display:none !important; }
  .current-lesson .schedule-slot {
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    filter: none !important;
    background-image: linear-gradient(135deg, var(--slot-main-color, var(--primary)), var(--slot-accent-color, var(--primary-light))) !important;
  }
  
  /* Quitar animaciones */
  .schedule-cell, .schedule-header { animation: none !important; opacity: 1 !important; }
  
  /* Encabezado institucional impreso (compacto en página) */
  #horariosPrintStack .horarios-print-institutional__doc-title { font-size: 12px; margin-top: 4px; }
  #horariosPrintStack .horarios-print-institutional__teacher,
  #horariosPrintStack .horarios-print-institutional__meta { font-size: 8px; }
}

/* ========================================
   ANIMACIONES Y MEJORAS VISUALES
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.85;
    transform: scale(1.02);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* Aplicar animaciones sutiles */
.schedule-cell {
  animation: fadeInUp 0.4s ease forwards;
  opacity: 0;
}

.schedule-cell:nth-child(1) { animation-delay: 0.05s; }
.schedule-cell:nth-child(2) { animation-delay: 0.1s; }
.schedule-cell:nth-child(3) { animation-delay: 0.15s; }
.schedule-cell:nth-child(4) { animation-delay: 0.2s; }
.schedule-cell:nth-child(5) { animation-delay: 0.25s; }

.schedule-header {
  animation: slideInRight 0.4s ease forwards;
  opacity: 0;
}

/* Loading state shimmer */
.loading-shimmer {
  background: linear-gradient(90deg, var(--bg-input) 0%, var(--bg-secondary) 50%, var(--bg-input) 100%);
  background-size: 2000px 100%;
  animation: shimmer 2s infinite linear;
}

/* Toggle modo Automático / Personalizado */
.schedule-mode-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
}
.schedule-mode-toggle .mode-toggle-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-right: 4px;
}
.schedule-mode-toggle .btn-mode {
  padding: 6px 10px;
  font-size: 12px;
  border-radius: var(--border-radius-xs);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.schedule-mode-toggle .btn-mode:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}
.schedule-mode-toggle .btn-mode.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-white);
}

.schedule-mode-indicator {
  font-size: 11px;
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  white-space: nowrap;
  margin-left: 4px;
}
.schedule-mode-indicator[data-mode="custom"] {
  color: var(--primary);
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
}
.schedule-mode-indicator[data-mode="auto"] {
  color: var(--text-secondary);
}

/* Modal editor horario personalizado: columna (header / cuerpo scroll / footer) */
.custom-editor-modal.modal{
  display:flex;
  flex-direction:column;
  max-height:min(92vh, 880px);
  overflow:hidden;
}
.custom-editor-modal .modal-header{
  flex-shrink:0;
  align-items:flex-start;
  gap:var(--space-md);
  margin-bottom:0;
  padding:var(--space-lg) var(--space-xl);
  padding-bottom:var(--space-md);
  border-bottom:1px solid var(--border-color);
}
.custom-editor-modal .modal-header .close-btn{
  flex-shrink:0;
  margin-top:2px;
}
.custom-editor-modal .custom-editor-body{
  flex:1 1 auto;
  min-height:0;
  overflow-y:auto;
  overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
  padding:var(--space-lg) var(--space-xl);
}
.custom-editor-modal .modal-footer{
  flex-shrink:0;
  margin-top:0;
  padding-top:var(--space-md);
  padding-bottom:var(--space-lg);
  background:var(--bg-card);
}
.custom-editor-templates {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}
.custom-editor-templates label {
  font-size: 12px;
  color: var(--text-secondary);
}
.custom-editor-templates select {
  min-width: 220px;
  padding: 6px 10px;
  border-radius: var(--border-radius-xs);
  border: 1px solid var(--border-color);
  background: var(--bg-input);
}
.custom-editor-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-md);
}
.custom-editor-tabs .custom-tab {
  padding: 8px 12px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-input);
  border-radius: var(--border-radius-xs);
  cursor: pointer;
  color: var(--text-secondary);
}
.custom-editor-tabs .custom-tab:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}
.custom-editor-tabs .custom-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-white);
}
.custom-editor-day-panel {
  margin-bottom: var(--space-md);
}
.custom-editor-day-title {
  font-weight: 600;
  margin-bottom: 8px;
}
.custom-editor-push-chain {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  cursor: pointer;
  user-select: none;
}
.custom-editor-push-chain input {
  margin: 0;
  cursor: pointer;
}
.custom-blocks-list {
  min-height: 120px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xs);
  padding: 8px;
  margin: 8px 0;
  background: var(--bg-secondary);
}
.custom-block-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  margin-bottom: 6px;
  background: var(--bg-card);
  border-radius: var(--border-radius-xs);
  border: 1px solid var(--border-color);
  font-size: 13px;
}
.custom-block-row:last-child { margin-bottom: 0; }
.custom-block-drag {
  cursor: grab;
  color: var(--text-muted);
  font-size: 14px;
  user-select: none;
}
.custom-block-row:active .custom-block-drag { cursor: grabbing; }
.custom-block-row--dragging {
  opacity: 0.6;
  background: var(--bg-secondary);
}
.custom-block-row--drop-target {
  box-shadow: inset 0 0 0 2px var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, var(--bg-card));
}
.custom-block-icon {
  width: 24px;
  text-align: center;
  color: var(--primary);
}
.custom-block-label { flex: 1; font-weight: 500; }
.custom-block-time {
  font-size: 11px;
  color: var(--text-secondary);
}
.custom-block-time-editable {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 11px;
  color: var(--text-secondary);
}
.custom-block-time-editable input[type="time"] {
  padding: 2px 6px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-input);
  color: var(--text-primary);
  max-width: 80px;
}
.custom-block-dur {
  font-size: 11px;
  color: var(--text-muted);
  min-width: 44px;
}
.custom-block-clear-assignments {
  padding: 2px 8px;
  min-width: auto;
  font-size: 11px;
  white-space: nowrap;
}
.custom-block-remove {
  padding: 2px 8px;
  min-width: auto;
  font-size: 16px;
  line-height: 1;
}
.custom-add-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}
.custom-add-block .add-block-label {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Modo compacto adicional para tablets */
@media (max-width:768px) and (min-width:601px){
  .header-left h1{font-size:24px}
  .header-subtitle{font-size:13px}
  .view-controls{gap:4px}
  .btn-icon{width:36px;height:36px;min-width:36px;min-height:36px}
  .btn{padding:var(--space-xs) var(--space-md);font-size:13px}
}