/* ==========================================================================
   KUMON CONTROL PANEL - MODERN "SOFT UI" PASTEL PROFESSIONAL THEME
   Balanced, High Legibility, Non-Fatiguing Daylight Palette
   Teacher Zones: Ice Blue (M1), Mint Green (M2), Lavender (M3)
   A11y Friendly, Error-Proof UX, Printable Report Engine
   ========================================================================== */

:root {
  /* Neutral Soft Canvas Foundation */
  --bg-app: #f8fafc;
  --bg-sidebar: #ffffff;
  --bg-canvas: #f1f5f9;
  --bg-sheet: #ffffff;

  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-focus: #94a3b8;

  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;

  /* Subject Badge Pastel Tokens */
  --subject-es-bg: #fee2e2;
  --subject-es-text: #991b1b;
  --subject-es-border: #fca5a5;

  --subject-in-bg: #e0f2fe;
  --subject-in-text: #075985;
  --subject-in-border: #7dd3fc;

  --subject-ma-bg: #fef3c7;
  --subject-ma-text: #92400e;
  --subject-ma-border: #fcd34d;

  /* Teacher 1: Ice Blue / Cerulean Soft UI */
  --t1-primary: #2563eb;
  --t1-bg-soft: #eff6ff;
  --t1-bg-card: #f8faff;
  --t1-border: #bfdbfe;
  --t1-border-strong: #60a5fa;
  --t1-text: #1e40af;
  --t1-chair-fill: #dbeafe;

  /* Teacher 2: Mint Green / Sage Soft UI */
  --t2-primary: #059669;
  --t2-bg-soft: #ecfdf5;
  --t2-bg-card: #f7fdfa;
  --t2-border: #a7f3d0;
  --t2-border-strong: #34d399;
  --t2-text: #065f46;
  --t2-chair-fill: #d1fae5;

  /* Teacher 3: Lavender / Violet Soft UI */
  --t3-primary: #7c3aed;
  --t3-bg-soft: #f5f3ff;
  --t3-bg-card: #faf8ff;
  --t3-border: #ddd6fe;
  --t3-border-strong: #a78bfa;
  --t3-text: #5b21b6;
  --t3-chair-fill: #ede9fe;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 9999px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  --shadow-soft-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-soft-card: 0 4px 12px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.03);
  --shadow-soft-hover: 0 8px 20px rgba(15, 23, 42, 0.09), 0 2px 6px rgba(15, 23, 42, 0.04);
  --shadow-modal: 0 20px 40px rgba(15, 23, 42, 0.16), 0 4px 12px rgba(15, 23, 42, 0.08);

  --transition-fast: 140ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

button, input {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
}

/* ==========================================================================
   APP HEADER
   ========================================================================== */
.top-nav-bar {
  height: 54px;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  flex-shrink: 0;
  z-index: 50;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-symbol {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #ffffff;
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
}

.brand-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text-main);
}

.brand-sub {
  font-size: 10.5px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background-color: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.stat-chip strong {
  color: var(--text-main);
}

/* Action Buttons with Clear Text & Icons */
.btn-soft {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 14px;
  background-color: #ffffff;
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-body);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-soft-sm);
  user-select: none;
}

.btn-soft:hover {
  background-color: #f8fafc;
  border-color: var(--border-focus);
  color: var(--text-main);
  transform: translateY(-1px);
}

.btn-soft:active {
  transform: translateY(0);
}

.btn-soft-primary {
  background-color: #0f172a;
  color: #ffffff;
  border-color: #0f172a;
}

.btn-soft-primary:hover {
  background-color: #1e293b;
  color: #ffffff;
}

.btn-soft-danger {
  background-color: #fff1f2;
  color: #be123c;
  border-color: #fecdd3;
}

.btn-soft-danger:hover {
  background-color: #ffe4e6;
  border-color: #fda4af;
  color: #9f1239;
}

/* ==========================================================================
   WORKSPACE SPLIT: 25% SIDEBAR / 75% MAIN FLOORPLAN
   ========================================================================== */
.workspace-split {
  flex: 1;
  display: flex;
  width: 100%;
  height: calc(100vh - 54px);
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   PANEL LATERAL IZQUIERDO (25% DEL ANCHO)
   -------------------------------------------------------------------------- */
.sidebar-unassigned {
  flex: 0 0 25%;
  width: 25%;
  min-width: 320px;
  max-width: 440px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 20;
}

.sidebar-header {
  padding: 16px 18px 12px 18px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 10px;
  background-color: #ffffff;
}

.sidebar-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-title {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-count {
  padding: 2px 8px;
  background-color: #e2e8f0;
  color: var(--text-main);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
}

/* Top Prominent Action Buttons in Sidebar */
.sidebar-top-actions {
  display: flex;
  gap: 8px;
}

.btn-add-student-banner {
  flex: 1;
  height: 36px;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.15);
}

.btn-add-student-banner:hover {
  background: linear-gradient(135deg, #1e293b, #334155);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.22);
}

.btn-report-prominent {
  flex: 1;
  height: 36px;
  background-color: #ffffff;
  border: 1.5px solid var(--border-medium);
  color: var(--text-main);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-soft-sm);
}

.btn-report-prominent:hover {
  background-color: #f8fafc;
  border-color: #0f172a;
  transform: translateY(-1px);
}

/* Acciones de Excel / CSV en Panel Lateral */
.sidebar-excel-actions {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.btn-load-csv-excel {
  width: 100%;
  height: 33px;
  background-color: #f0fdf4;
  border: 1.5px dashed #16a34a;
  border-radius: var(--radius-md);
  color: #15803d;
  font-size: 11.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-load-csv-excel:hover {
  background-color: #dcfce7;
  border-color: #15803d;
  color: #14532d;
  box-shadow: 0 2px 6px rgba(22, 163, 74, 0.2);
  transform: translateY(-1px);
}

.excel-hint-sub {
  font-size: 10px;
  color: var(--text-dim);
  text-align: center;
  letter-spacing: 0.2px;
}

/* Botón Distintivo Verde: Descargar Excel en Modal de Reporte */
.btn-export-excel {
  background-color: #107c41 !important;
  color: #ffffff !important;
  border: 1px solid #0b5a2f !important;
  font-weight: 700 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  box-shadow: 0 2px 5px rgba(16, 124, 65, 0.25) !important;
  transition: all var(--transition-fast) !important;
}

.btn-export-excel:hover {
  background-color: #0e6b37 !important;
  color: #ffffff !important;
  border-color: #084323 !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 10px rgba(16, 124, 65, 0.35) !important;
}

.sidebar-search-box {
  position: relative;
  width: 100%;
}

.sidebar-search-input {
  width: 100%;
  height: 34px;
  background-color: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0 12px 0 34px;
  font-size: 12px;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.sidebar-search-input:focus {
  border-color: #64748b;
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(100, 116, 139, 0.1);
}

.sidebar-search-input::placeholder {
  color: var(--text-dim);
}

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

/* Vertical Students List */
.students-list-container {
  flex: 1;
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background-color: #fbfcfd;
}

/* Empty State Friendly Guidance */
.empty-students-guidance {
  text-align: center;
  padding: 44px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background-color: #ffffff;
  border: 1.5px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  margin: 10px 0;
}

.guidance-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.guidance-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-main);
}

.guidance-sub {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Individual Draggable Student Card */
.student-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: grab;
  user-select: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
  box-shadow: var(--shadow-soft-card);
  position: relative;
}

.student-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-soft-hover);
}

.student-card:active,
.student-card.dragging {
  cursor: grabbing;
  opacity: 0.5;
  transform: scale(0.98);
  border-color: #64748b;
}

.card-main-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-grip-icon {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--text-dim);
  transition: color var(--transition-fast);
  flex-shrink: 0;
}

.student-card:hover .card-grip-icon {
  color: var(--text-muted);
}

.grip-dots {
  width: 10px;
  height: 16px;
  display: grid;
  grid-template-columns: repeat(2, 3px);
  grid-template-rows: repeat(3, 3px);
  gap: 2px;
}

.grip-dot {
  background-color: currentColor;
  border-radius: 50%;
}

.student-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: #1e293b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 11px;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.student-title-block {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.student-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-edit-student-inline {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-edit-student-inline:hover {
  background-color: #f1f5f9;
  border-color: var(--border-light);
  color: var(--text-main);
}

.btn-delete-student-card {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: #ef4444;
  cursor: pointer;
  font-size: 11px;
  opacity: 0.55;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  margin-left: 2px;
}

.btn-delete-student-card:hover {
  opacity: 1;
  background-color: #fee2e2;
  border-color: #fca5a5;
  color: #b91c1c;
  transform: scale(1.1);
}

/* Selector de Asistencia Avanzado */
.attendance-control-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.attendance-select {
  font-family: inherit;
  font-size: 10.5px;
  font-weight: 700;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  background-color: #f8fafc;
  color: var(--text-body);
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
}

.attendance-select:hover {
  border-color: #94a3b8;
}

.attendance-select.status-asistio {
  background-color: #ecfdf5;
  border-color: #a7f3d0;
  color: #065f46;
}

.attendance-select.status-falta {
  background-color: #fef2f2;
  border-color: #fca5a5;
  color: #991b1b;
}

.attendance-select.status-tareas {
  background-color: #f0f9ff;
  border-color: #bae6fd;
  color: #0369a1;
}

/* Tarjeta de Alumno con Falta */
.student-card.card-falta {
  background-color: #fff1f2 !important;
  border-color: #fecdd3 !important;
  opacity: 0.85;
}

.student-card.card-falta .card-grip-icon {
  opacity: 0.25;
  cursor: not-allowed;
}

/* Tarjeta de Alumno con Solo Tareas */
.student-card.card-tareas {
  background-color: #f0fdf4 !important;
  border-color: #bbf7d0 !important;
}

/* Botón Deshacer Asistencia / Corregir */
.btn-undo-attendance {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px 5px;
  border-radius: var(--radius-sm);
  background-color: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  font-size: 9.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-undo-attendance:hover {
  background-color: #fef3c7;
  border-color: #f59e0b;
  color: #78350f;
  transform: scale(1.05);
}

.card-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 20px;
}

.subjects-badges-group {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

/* Desaturated Subject Badges */
.badge-subject {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-mono);
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.badge-subject.subject-es {
  background-color: var(--subject-es-bg);
  color: var(--subject-es-text);
  border: 1px solid var(--subject-es-border);
}

.badge-subject.subject-in {
  background-color: var(--subject-in-bg);
  color: var(--subject-in-text);
  border: 1px solid var(--subject-in-border);
}

.badge-subject.subject-ma {
  background-color: var(--subject-ma-bg);
  color: var(--subject-ma-text);
  border: 1px solid var(--subject-ma-border);
}

.badge-level-tag {
  font-size: 10.5px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.live-timer-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  background-color: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  color: #334155;
  letter-spacing: 0.5px;
}

.live-timer-chip.inactive {
  color: var(--text-dim);
  border-style: dashed;
}

.timer-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #10b981;
  animation: timerBlink 1.4s infinite ease-in-out;
}

@keyframes timerBlink {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.sidebar-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #ffffff;
}

/* --------------------------------------------------------------------------
   ÁREA PRINCIPAL CENTRAL (75% DEL ANCHO)
   -------------------------------------------------------------------------- */
.main-floorplan-area {
  flex: 1;
  width: 75%;
  height: 100%;
  background-color: var(--bg-canvas);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.floorplan-toolbar {
  height: 44px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border-light);
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  z-index: 15;
}

.toolbar-info {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 11.5px;
  color: var(--text-muted);
}

.toolbar-zone-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.zone-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.zone-dot-m1 { background-color: var(--t1-primary); }
.zone-dot-m2 { background-color: var(--t2-primary); }
.zone-dot-m3 { background-color: var(--t3-primary); }

.floorplan-canvas-stage {
  flex: 1;
  width: 100%;
  height: 100%;
  overflow: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 24px 20px 60px 20px;
  position: relative;
}

.floorplan-canvas-stage::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: 
    radial-gradient(rgba(148, 163, 184, 0.25) 1px, transparent 1px),
    linear-gradient(to right, rgba(226, 232, 240, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
  background-size: 28px 28px, 84px 84px, 84px 84px;
}

/* Blueprint Sheet */
.blueprint-sheet {
  width: 1040px;
  min-width: 1040px;
  background-color: var(--bg-sheet);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 30px 38px 38px 38px;
  box-shadow: var(--shadow-modal);
  position: relative;
  z-index: 1;
}

.sheet-meta-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 12px;
  margin-bottom: 22px;
}

.sheet-title-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sheet-title {
  font-size: 14.5px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-main);
}

.sheet-instruction-banner {
  font-size: 11.5px;
  font-weight: 500;
  color: #0369a1;
  background-color: #f0f9ff;
  border: 1px solid #bae6fd;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 3px;
  width: fit-content;
}

.sheet-code {
  font-size: 10.5px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ==========================================================================
   ZONA DE APOYO (MAESTRAS DE APOYO FLOTANTES)
   ========================================================================== */
.support-zone-container {
  width: 100%;
  background: linear-gradient(135deg, #fffdf5 0%, #fef9c3 100%);
  border: 1.5px dashed #f59e0b;
  border-radius: var(--radius-lg);
  padding: 10px 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.08);
}

.support-zone-title-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #92400e;
}

.support-zone-title {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.support-zone-hint {
  font-size: 10.5px;
  color: #b45309;
  font-weight: 500;
}

.support-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.support-teacher-card {
  background-color: #ffffff;
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-soft-sm);
  transition: all var(--transition-fast);
}

.support-teacher-card:hover {
  border-color: #f59e0b;
  box-shadow: 0 3px 8px rgba(245, 158, 11, 0.15);
}

.support-teacher-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.support-teacher-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: #fef3c7;
  color: #b45309;
  border: 1.5px solid #fde68a;
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.support-teacher-name {
  font-size: 13px;
  font-weight: 700;
  color: #1e293b;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px dashed transparent;
  transition: all var(--transition-fast);
}

.support-teacher-name:hover {
  background-color: #fef3c7;
  border-color: #f59e0b;
  color: #92400e;
}

.support-teacher-input {
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  color: #1e293b;
  background-color: #ffffff;
  border: 1.5px solid #f59e0b;
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  outline: none;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}

.support-role-tag {
  font-size: 9.5px;
  font-weight: 700;
  color: #92400e;
  background-color: #fef3c7;
  border: 1px solid #fde68a;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-edit-support {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: #b45309;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: all var(--transition-fast);
}

.btn-edit-support:hover {
  background-color: #fef3c7;
  border-color: #fde68a;
  color: #78350f;
}

/* ==========================================================================
   SILLAS EXCLUSIVAS DE LA ZONA DE APOYO (DROPZONE CÁLIDA)
   ========================================================================== */
.support-chairs-section {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.92);
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  padding: 8px 12px 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 1px 3px rgba(245, 158, 11, 0.06);
}

.support-chairs-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.support-chairs-title {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: #92400e;
  letter-spacing: 0.8px;
}

.support-chairs-badge {
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: #b45309;
  background-color: #fef3c7;
  border: 1px solid #fde68a;
  padding: 1px 8px;
  border-radius: var(--radius-pill);
}

.support-chairs-row {
  width: 100%;
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
  gap: 8px;
}

.support-seat-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  flex: 1;
}

.support-seat-code-header {
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #92400e;
  letter-spacing: 0.5px;
}

.support-station {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Sillas en Zona de Apoyo (Cálidas) */
.support-chair .chair-circle {
  border: 1.8px solid #fcd34d;
  background-color: #ffffff;
}

.support-chair .chair-circle.drag-over-valid {
  border: 2.5px dashed #d97706 !important;
  background-color: #fef3c7 !important;
  transform: scale(1.18);
  box-shadow: 0 0 12px rgba(217, 119, 6, 0.45);
}

.support-chair .chair-circle.occupied {
  background-color: #fef3c7 !important;
  border: 2px solid #d97706 !important;
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.25);
}

.support-chair .chair-circle.occupied .chair-initials {
  color: #92400e !important;
}


/* 3 Columns Grid */
.plan-columns-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  position: relative;
}

.teacher-track-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  padding: 12px 14px 18px 14px;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.teacher-zone-M1 { background-color: var(--t1-bg-soft); border: 1px solid var(--t1-border); }
.teacher-zone-M2 { background-color: var(--t2-bg-soft); border: 1px solid var(--t2-border); }
.teacher-zone-M3 { background-color: var(--t3-bg-soft); border: 1px solid var(--t3-border); }

/* Column Header: INLINE EDITABLE */
.column-title-container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  position: relative;
  margin-bottom: 6px;
}

.column-title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-align: center;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.column-title:hover {
  background-color: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-soft-sm);
}

.teacher-zone-M1 .column-title { color: var(--t1-text); }
.teacher-zone-M2 .column-title { color: var(--t2-text); }
.teacher-zone-M3 .column-title { color: var(--t3-text); }

.btn-edit-teacher-hint {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.column-title-container:hover .btn-edit-teacher-hint {
  opacity: 1;
}

.teacher-inline-input {
  font-size: 18px;
  font-weight: 800;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  background-color: #ffffff;
  border: 2px solid #0f172a;
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  width: 100%;
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.1);
}

.column-heavy-line {
  width: 100%;
  height: 3px;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
}

.teacher-zone-M1 .column-heavy-line { background-color: var(--t1-primary); }
.teacher-zone-M2 .column-heavy-line { background-color: var(--t2-primary); }
.teacher-zone-M3 .column-heavy-line { background-color: var(--t3-primary); }

/* ESCRITORIO DEL MAESTRO */
.teacher-desk-card {
  width: 100%;
  height: 96px;
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px;
  margin-bottom: 24px;
  position: relative;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-soft-sm);
}

.teacher-zone-M1 .teacher-desk-card { border: 2.5px solid var(--t1-border-strong); }
.teacher-zone-M2 .teacher-desk-card { border: 2.5px solid var(--t2-border-strong); }
.teacher-zone-M3 .teacher-desk-card { border: 2.5px solid var(--t3-border-strong); }

.desk-header-text {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-main);
}

.desk-teacher-sub {
  font-size: 11.5px;
  color: var(--text-body);
  margin-top: 4px;
  font-weight: 500;
}

.desk-occupancy-pill {
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 9px;
  font-family: var(--font-mono);
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  background-color: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: var(--text-muted);
}

/* Mesas Stack */
.tables-column-stack {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mesa-unit {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.mesa-frame {
  width: 100%;
  min-height: 98px;
  background-color: #ffffff;
  border-radius: 12px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 8px 8px 8px;
  margin-top: 10px;
  box-shadow: var(--shadow-soft-sm);
}

.teacher-zone-M1 .mesa-frame { border: 2px solid var(--t1-border-strong); }
.teacher-zone-M2 .mesa-frame { border: 2px solid var(--t2-border-strong); }
.teacher-zone-M3 .mesa-frame { border: 2px solid var(--t3-border-strong); }

.mesa-pill-label {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #ffffff;
  border-radius: var(--radius-pill);
  padding: 1px 14px;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  z-index: 5;
  white-space: nowrap;
}

.teacher-zone-M1 .mesa-pill-label { border: 1.5px solid var(--t1-primary); color: var(--t1-text); }
.teacher-zone-M2 .mesa-pill-label { border: 1.5px solid var(--t2-primary); color: var(--t2-text); }
.teacher-zone-M3 .mesa-pill-label { border: 1.5px solid var(--t3-primary); color: var(--t3-text); }

/* Estructura de Mesa con 1 Silla por Código (Centrado Directo) */
.mesa-single-stations-container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 2px 4px;
}

.station-single-slot {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

.station-single-slot .station-code-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 1px;
  line-height: 1;
  font-family: var(--font-sans);
  margin-bottom: 2px;
}

.station-slot-divider {
  width: 1.5px;
  height: 54px;
  background-color: var(--border-light);
  border-radius: var(--radius-pill);
  opacity: 0.8;
  margin: 0 4px;
}

.chair-station {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  position: relative;
}

/* Sillas */
.chair-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.8px solid var(--border-medium);
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
  user-select: none;
}

/* Hover Drag Target Highlight */
.teacher-zone-M1 .chair-circle.drag-over-valid {
  border: 2.5px dashed var(--t1-primary);
  background-color: #dbeafe;
  transform: scale(1.18);
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.4);
}

.teacher-zone-M2 .chair-circle.drag-over-valid {
  border: 2.5px dashed var(--t2-primary);
  background-color: #d1fae5;
  transform: scale(1.18);
  box-shadow: 0 0 12px rgba(5, 150, 105, 0.4);
}

.teacher-zone-M3 .chair-circle.drag-over-valid {
  border: 2.5px dashed var(--t3-primary);
  background-color: #ede9fe;
  transform: scale(1.18);
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.4);
}

/* Sillas Ocupadas */
.teacher-zone-M1 .chair-circle.occupied {
  background-color: var(--t1-chair-fill);
  border: 2px solid var(--t1-primary);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2);
}
.teacher-zone-M1 .chair-circle.occupied .chair-initials { color: var(--t1-text); }

.teacher-zone-M2 .chair-circle.occupied {
  background-color: var(--t2-chair-fill);
  border: 2px solid var(--t2-primary);
  box-shadow: 0 2px 6px rgba(5, 150, 105, 0.2);
}
.teacher-zone-M2 .chair-circle.occupied .chair-initials { color: var(--t2-text); }

.teacher-zone-M3 .chair-circle.occupied {
  background-color: var(--t3-chair-fill);
  border: 2px solid var(--t3-primary);
  box-shadow: 0 2px 6px rgba(124, 58, 237, 0.2);
}
.teacher-zone-M3 .chair-circle.occupied .chair-initials { color: var(--t3-text); }

.chair-circle.occupied:hover {
  transform: scale(1.12);
}

.chair-initials {
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-mono);
  line-height: 1;
  pointer-events: none;
}

.chair-timer-caption {
  font-size: 8.5px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #1e293b;
  background-color: #ffffff;
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  letter-spacing: 0.5px;
  margin-top: 2px;
  white-space: nowrap;
  box-shadow: var(--shadow-soft-sm);
}

.chair-label-caption {
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  user-select: none;
}

/* Botón flotante de Check-out en silla ocupada */
.chair-station {
  position: relative;
}

.chair-checkout-btn {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 17px;
  height: 17px;
  background-color: #ef4444;
  color: #ffffff;
  border: 1.5px solid #ffffff;
  border-radius: 50%;
  font-size: 9px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.7);
  transition: all var(--transition-fast);
  z-index: 10;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
  line-height: 1;
  padding: 0;
}

.chair-station:hover .chair-checkout-btn,
.chair-checkout-btn:focus {
  opacity: 1;
  transform: scale(1);
}

.chair-checkout-btn:hover {
  background-color: #dc2626;
  transform: scale(1.15);
}

/* Silla ocupada arrastrable de regreso */
.chair-circle.occupied {
  cursor: grab;
}

.chair-circle.chair-dragging {
  opacity: 0.45;
  transform: scale(0.9);
}

/* Zona de caída en el panel lateral para Check-out */
.sidebar-unassigned.sidebar-drag-target {
  outline: 2px dashed #2563eb;
  outline-offset: -3px;
  background-color: #eff6ff !important;
}

/* Botones discretos de Exportar y Restaurar */
.sidebar-backup-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.btn-backup-discrete {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 5px 6px;
  background-color: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-body);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-backup-discrete:hover {
  background-color: #f1f5f9;
  border-color: #94a3b8;
  color: var(--text-main);
}

/* Input para edición en línea de nombres de alumnos y maestros */
.student-name-input {
  width: 100%;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  background-color: #ffffff;
  border: 1.5px solid #2563eb;
  border-radius: var(--radius-sm);
  padding: 1px 5px;
  outline: none;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.desk-teacher-sub {
  font-size: 11.5px;
  color: var(--text-body);
  margin-top: 4px;
  font-weight: 500;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px dashed transparent;
  transition: all var(--transition-fast);
}

.desk-teacher-sub:hover {
  background-color: #f1f5f9;
  border-color: #94a3b8;
  color: #0f172a;
}

.desk-teacher-sub-input {
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-main);
  background-color: #ffffff;
  border: 1.5px solid #2563eb;
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  margin-top: 3px;
  width: 90%;
  text-align: center;
  outline: none;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

/* Tooltip */
.student-hover-tooltip {
  position: fixed;
  background-color: #ffffff;
  border: 1.5px solid #0f172a;
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 11.5px;
  color: var(--text-main);
  box-shadow: var(--shadow-modal);
  pointer-events: auto;
  z-index: 1000;
  display: none;
  flex-direction: column;
  gap: 6px;
  min-width: 220px;
  transform: translate(-50%, -108%);
}

.tooltip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 5px;
}

.tooltip-student-name {
  font-weight: 700;
  font-size: 13px;
  color: var(--text-main);
}

.tooltip-seat-code {
  font-size: 9.5px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.tooltip-subjects-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
}

.tooltip-time-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #f8fafc;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  font-size: 11px;
  font-family: var(--font-mono);
  margin-top: 2px;
}

.tooltip-actions-row {
  margin-top: 4px;
  padding-top: 6px;
  border-top: 1px solid var(--border-light);
  display: flex;
}

.btn-tt-checkout {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background-color: #fef2f2;
  border: 1px solid #fca5a5;
  color: #b91c1c;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-tt-checkout:hover {
  background-color: #ef4444;
  color: #ffffff;
  border-color: #dc2626;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.25);
}

/* ==========================================================================
   MODAL DIALOGS (SOFT UI)
   ========================================================================== */
.soft-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.soft-modal-overlay.active {
  display: flex;
}

.soft-modal-box {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-modal);
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: modalScaleIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 10px;
}

.modal-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: #f1f5f9;
  color: var(--text-main);
}

.form-field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input-text {
  height: 38px;
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0 12px;
  font-size: 13px;
  color: var(--text-main);
  background-color: #ffffff;
  transition: all var(--transition-fast);
}

.form-input-text:focus {
  border-color: #0f172a;
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

.subjects-checkboxes-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 4px;
}

.subject-select-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 8px;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: #f8fafc;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.subject-select-pill:hover {
  border-color: var(--border-focus);
}

.subject-select-pill.selected {
  border-color: #0f172a;
  background-color: #ffffff;
  box-shadow: var(--shadow-soft-sm);
}

.pill-subject-code {
  font-size: 14px;
  font-weight: 800;
  font-family: var(--font-mono);
}

.pill-subject-name {
  font-size: 10.5px;
  font-weight: 600;
  margin-top: 2px;
}

.form-helper-text {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.modal-actions-row {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 10px;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}

/* ==========================================================================
   CENTRO DE REPORTES HISTÓRICO Y ANÁLISIS
   ========================================================================== */
.report-modal-box {
  width: 1060px;
  max-width: 96vw;
  max-height: 92vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Barra de Filtros Interactivos (Rango Fechas + Alumno) */
.report-filters-bar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  padding: 12px 16px;
  background-color: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-top: 6px;
  margin-bottom: 2px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-group-grow {
  flex: 1;
  min-width: 200px;
}

.filter-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-input-date,
.filter-select-student {
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
  background-color: #ffffff;
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  outline: none;
  transition: all var(--transition-fast);
}

.filter-input-date:focus,
.filter-select-student:focus {
  border-color: #0f172a;
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

.btn-clear-report-filters {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 700;
  padding: 7px 12px;
  background-color: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-body);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-clear-report-filters:hover {
  background-color: #f1f5f9;
  border-color: var(--border-focus);
  color: var(--text-main);
}

.report-modal-body {
  overflow-y: auto;
  padding: 14px 4px 10px 4px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Report Summary Cards */
.report-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.report-kpi-card {
  background-color: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.report-kpi-label {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.report-kpi-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  font-family: var(--font-mono);
}

/* Printable Report Content Container */
.report-table-wrapper {
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: #ffffff;
}

.report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  text-align: left;
}

.report-table th {
  background-color: #f1f5f9;
  color: var(--text-main);
  font-weight: 700;
  padding: 10px 14px;
  border-bottom: 1.5px solid var(--border-medium);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.report-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-body);
}

.report-table tr:hover td {
  background-color: #f8fafc;
}

.status-badge-en-curso {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  font-weight: 600;
  font-size: 11px;
}

.status-badge-finalizado {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background-color: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
  font-weight: 600;
  font-size: 11px;
}

.status-badge-espera {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  font-weight: 600;
  font-size: 11px;
}

.status-badge-falta {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
  font-weight: 600;
  font-size: 11px;
}

.btn-finish-inline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  border: 1px solid var(--border-medium);
  color: var(--text-body);
  font-size: 10.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-finish-inline:hover {
  background-color: #0f172a;
  color: #ffffff;
  border-color: #0f172a;
}

/* Report Footer Actions */
.report-modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  margin-top: 10px;
}

.btn-purge-history {
  background-color: #fff1f2;
  border: 1px solid #fecdd3;
  color: #be123c;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-purge-history:hover {
  background-color: #ffe4e6;
  border-color: #fda4af;
  color: #9f1239;
  transform: translateY(-1px);
}

/* ==========================================================================
   SOPORTE TÁCTIL (POLYFILL mobile-drag-drop PARA TABLETS / IPADS)
   ========================================================================== */
.drag-drop-polyfill {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.drag-drop-polyfill .student-card {
  touch-action: none; /* Desactiva scroll sobre la tarjeta para arrastrar con los dedos */
  -webkit-user-drag: element;
}

.drag-drop-polyfill .students-list-container {
  touch-action: pan-y; /* Permite desplazamiento vertical normal en la lista */
}

/* ==========================================================================
   SISTEMA DE NOTIFICACIONES VISUALES (TOASTS)
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: 400px;
  width: calc(100vw - 48px);
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.4;
  color: #ffffff;
  background-color: #0f172a;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.28), 0 8px 10px -6px rgba(15, 23, 42, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  transition: opacity 280ms cubic-bezier(0.16, 1, 0.3, 1), transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
  word-break: break-word;
}

.toast.toast-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast.toast-hiding {
  opacity: 0;
  transform: translateY(10px) scale(0.95);
  transition: opacity 240ms ease-in, transform 240ms ease-in;
}

/* Variantes temáticas de Toasts */
.toast.toast-success {
  background: linear-gradient(135deg, #065f46 0%, #047857 100%);
  border-color: #34d399;
  color: #ffffff;
}

.toast.toast-info {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  border-color: #60a5fa;
  color: #ffffff;
}

.toast.toast-warning {
  background: linear-gradient(135deg, #78350f 0%, #b45309 100%);
  border-color: #fcd34d;
  color: #ffffff;
}

.toast.toast-error {
  background: linear-gradient(135deg, #881337 0%, #be123c 100%);
  border-color: #fda4af;
  color: #ffffff;
}

/* ==========================================================================
   CONTROLES DE ORDENAMIENTO EN EL PANEL LATERAL
   ========================================================================== */
.sidebar-sort-controls {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  width: 100%;
}

.btn-sort-student {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background-color: #f8fafc;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn-sort-student:hover {
  background-color: #f1f5f9;
  color: var(--text-main);
  border-color: var(--border-medium);
}

.btn-sort-student.active {
  background-color: #eff6ff;
  color: #1e40af;
  border-color: #bfdbfe;
  font-weight: 700;
  box-shadow: inset 0 0 0 1.5px #3b82f6;
}

/* ==========================================================================
   DÍAS DE ASISTENCIA PROGRAMADA (FORMULARIO, TARJETAS Y TOOLTIP)
   ========================================================================== */
.days-checkboxes-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 6px;
}

.day-check-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 6px;
  border-radius: var(--radius-sm);
  background-color: #f8fafc;
  border: 1.5px solid var(--border-light);
  color: var(--text-body);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-fast);
}

.day-check-pill:hover {
  background-color: #f1f5f9;
  border-color: var(--border-medium);
}

.day-check-pill input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: #2563eb;
  cursor: pointer;
  margin: 0;
}

.day-check-pill:has(input[type="checkbox"]:checked) {
  background-color: #eff6ff;
  border-color: #60a5fa;
  color: #1e40af;
  font-weight: 700;
}

/* Badge compacto de días programados en la tarjeta del alumno */
.badge-days-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #4338ca;
  background-color: #e0e7ff;
  border: 1px solid #c7d2fe;
  letter-spacing: 0.2px;
}

/* Fila de días en Tooltip Flotante */
#tt-days-row strong {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #4338ca;
}

/* ==========================================================================
   PRINT STYLES (@media print) - CLEAN REPORT ONLY
   ========================================================================== */
@media print {
  body, html {
    background-color: #ffffff !important;
    color: #000000 !important;
    overflow: visible !important;
    height: auto !important;
    font-size: 11pt !important;
  }

  /* Ocultar interfaz completa */
  .top-nav-bar,
  .sidebar-unassigned,
  .main-floorplan-area,
  .soft-modal-overlay:not(#daily-report-modal),
  .modal-close-btn,
  .report-filters-bar,
  .report-modal-footer,
  .btn-finish-inline,
  .col-action,
  .sidebar-header,
  .sidebar-footer,
  .toast-container {
    display: none !important;
  }

  /* Mostrar únicamente el modal del reporte en página completa */
  .soft-modal-overlay#daily-report-modal {
    display: block !important;
    position: static !important;
    background: transparent !important;
    backdrop-filter: none !important;
    padding: 0 !important;
  }

  .report-modal-box {
    width: 100% !important;
    max-width: 100% !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
  }

  .report-modal-body {
    overflow: visible !important;
    padding: 0 !important;
  }

  .report-table-wrapper {
    border: 1.5px solid #000000 !important;
  }

  .report-table th {
    background-color: #f0f0f0 !important;
    color: #000000 !important;
    border-bottom: 2px solid #000000 !important;
  }

  .report-table td {
    border-bottom: 1px solid #cccccc !important;
    color: #000000 !important;
  }

  .badge-subject {
    border: 1px solid #000000 !important;
    color: #000000 !important;
    background: transparent !important;
  }

  .status-badge-en-curso,
  .status-badge-finalizado,
  .status-badge-espera {
    border: 1px solid #000000 !important;
    color: #000000 !important;
    background: transparent !important;
  }

  /* Encabezado formal de impresión */
  .print-only-header {
    display: block !important;
    margin-bottom: 20px;
    border-bottom: 2px solid #000000;
    padding-bottom: 10px;
  }
}

.print-only-header {
  display: none;
}

/* ==========================================================================
   PANTALLA DE ACCESO Y AUTENTICACIÓN (FIREBASE AUTH SOFT UI)
   ========================================================================== */
.auth-overlay-container {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 999999;
  background: radial-gradient(circle at 50% 20%, #eff6ff 0%, #f1f5f9 60%, #e2e8f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.auth-card {
  width: 100%;
  max-width: 430px;
  background: #ffffff;
  border-radius: 24px;
  padding: 38px 32px;
  box-shadow: 0 20px 45px -12px rgba(37, 99, 235, 0.12), 0 0 0 1px rgba(226, 232, 240, 0.9);
  text-align: center;
  position: relative;
  animation: authCardIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes authCardIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-brand-badge {
  width: 58px;
  height: 58px;
  margin: 0 auto 16px auto;
  border-radius: 16px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.38);
}

.auth-title {
  font-family: var(--font-sans);
  font-size: 21px;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 8px 0;
  letter-spacing: -0.3px;
}

.auth-subtitle {
  font-size: 13px;
  line-height: 1.5;
  color: #64748b;
  margin: 0 0 26px 0;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.auth-input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-label {
  font-size: 12px;
  font-weight: 600;
  color: #334155;
  letter-spacing: 0.2px;
}

.auth-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-input-icon {
  position: absolute;
  left: 12px;
  color: #94a3b8;
  pointer-events: none;
  transition: color var(--transition-fast);
}

.auth-input {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 14px 11px 38px;
  border-radius: 12px;
  border: 1.5px solid #cbd5e1;
  background-color: #f8fafc;
  color: #0f172a;
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: all var(--transition-fast);
}

.auth-input:focus {
  border-color: #2563eb;
  background-color: #ffffff;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.auth-input:focus + .auth-input-icon,
.auth-input-wrapper:focus-within .auth-input-icon {
  color: #2563eb;
}

.auth-error-badge {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  font-size: 12.5px;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: 10px;
  text-align: center;
  line-height: 1.4;
  animation: shakeError 0.3s ease-in-out;
}

@keyframes shakeError {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.btn-auth-submit {
  width: 100%;
  margin-top: 6px;
  padding: 12px 20px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 8px 20px -4px rgba(37, 99, 235, 0.35);
  transition: all var(--transition-fast);
}

.btn-auth-submit:hover:not(:disabled) {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -4px rgba(37, 99, 235, 0.45);
}

.btn-auth-submit:active:not(:disabled) {
  transform: translateY(0);
}

.btn-auth-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.auth-footer-note {
  margin-top: 22px;
  font-size: 11.5px;
  color: #94a3b8;
  line-height: 1.4;
}

/* Botón Salir en Header */
.btn-auth-logout {
  color: #b91c1c !important;
  border-color: #fecaca !important;
  background-color: #fff5f5 !important;
}

.btn-auth-logout:hover {
  background-color: #fee2e2 !important;
  border-color: #fca5a5 !important;
  color: #991b1b !important;
}