/* ==========================================================================
   ESTILOS PRINCIPALES Y VARIABLES GLOBALES
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #1a1a2e; --ink-light: #4a4a6a; --cream: #faf8f3; --paper: #ffffff;
  --accent: #c84b31; --accent-light: #f5ede9; --gold: #e8a838; --green: #2d6a4f;
  --green-light: #d8f3dc; --border: #e2ddd6; --radius: 12px; --radius-sm: 8px;
}

body { 
  font-family: 'DM Sans', sans-serif; 
  background: var(--cream); 
  color: var(--ink); 
  min-height: 100vh; 
  margin: 0; 
}

/* ==========================================================================
   PANTALLA DE LOGIN
   ========================================================================== */
.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { background: var(--paper); border-radius: var(--radius); padding: 48px; max-width: 440px; width: 100%; box-shadow: 0 8px 40px rgba(26,26,46,0.13); text-align: center; }
.login-card h1 { font-family: 'Playfair Display', serif; font-size: 32px; margin-bottom: 8px; color: var(--ink); }
.login-card .subtitle { color: var(--ink-light); font-size: 15px; margin-bottom: 32px; }
.btn-google { display: inline-flex; align-items: center; gap: 12px; padding: 14px 28px; background: var(--ink); color: #fff; border: none; border-radius: var(--radius-sm); font-family: 'DM Sans', sans-serif; font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.btn-google:hover { background: #2d2d4a; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(26,26,46,0.2); }
.login-note { margin-top: 24px; font-size: 13px; color: var(--ink-light); line-height: 1.6; }

/* ==========================================================================
   CABECERA (HEADER) Y LAYOUT
   ========================================================================== */
.header { background: var(--ink); padding: 0 40px; height: 64px; display: flex; align-items: center; justify-content: space-between; border-bottom: 3px solid var(--accent); }
.header-logo { font-family: 'Playfair Display', serif; font-size: 22px; color: #fff; letter-spacing: -0.5px; }
.header-logo span { color: var(--gold); }
.header-user { display: flex; align-items: center; gap: 16px; }
.user-info { text-align: right; font-size: 14px; color: rgba(255,255,255,0.9); }
.user-email { font-size: 12px; color: rgba(255,255,255,0.5); }
.role-badge { display: inline-block; background: var(--gold); color: var(--ink); padding: 3px 10px; border-radius: 4px; font-size: 11px; font-weight: 700; text-transform: uppercase; margin-left: 8px; }
.btn-logout { background: rgba(255,255,255,0.1); border: 1.5px solid rgba(255,255,255,0.25); color: #fff; padding: 6px 16px; border-radius: 6px; font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.btn-logout:hover { background: rgba(255,255,255,0.2); }

.main { max-width: 1200px; margin: 0 auto; padding: 40px 24px; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.page-header h1 { font-family: 'Playfair Display', serif; font-size: 32px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-light); margin-bottom: 16px; }
.breadcrumb a { color: var(--accent); text-decoration: none; cursor: pointer; font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }

/* ==========================================================================
   BOTONES Y PESTAÑAS GLOBALES
   ========================================================================== */
.btn-primary { background: var(--accent); color: #fff; border: none; padding: 12px 24px; border-radius: var(--radius-sm); font-family: 'DM Sans', sans-serif; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.btn-primary:hover { background: #a83a22; transform: translateY(-1px); }
.btn-primary:disabled { background: var(--border); cursor: not-allowed; transform: none; }
.btn-secondary { background: var(--border); color: var(--ink); border: none; padding: 12px 24px; border-radius: var(--radius-sm); font-family: 'DM Sans', sans-serif; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.btn-secondary:hover { background: #d0cbc4; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-icon { background: none; border: none; color: var(--ink-light); padding: 8px; cursor: pointer; border-radius: 6px; transition: all 0.2s; font-size: 16px; }
.btn-icon:hover { background: var(--cream); color: var(--accent); }

.nav-tabs { display: flex; gap: 8px; margin-bottom: 24px; border-bottom: 2px solid var(--border); padding-bottom: 16px; overflow-x: auto; }
.nav-tab { background: transparent; color: var(--ink-light); border: 2px solid transparent; padding: 10px 20px; border-radius: var(--radius-sm); font-family: 'DM Sans', sans-serif; font-size: 15px; font-weight: 600; cursor: pointer; transition: all 0.2s; white-space: nowrap; }
.nav-tab:hover { background: var(--cream); }
.nav-tab.active { background: var(--ink); color: #fff; border-color: var(--ink); }

.trimestre-tabs { display: flex; gap: 8px; margin-bottom: 24px; }
.trimestre-tab { padding: 10px 20px; background: var(--border); border: none; border-radius: 6px; cursor: pointer; font-weight: 600; font-size: 14px; transition: all 0.2s; font-family: 'DM Sans', sans-serif; }
.trimestre-tab:hover { background: #d0cbc4; }
.trimestre-tab.active { background: var(--accent); color: #fff; }

/* ==========================================================================
   TARJETAS (CARDS) Y TABLAS
   ========================================================================== */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.card { background: var(--paper); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; transition: all 0.2s; position: relative; }
.card:hover { border-color: var(--accent); box-shadow: 0 4px 12px rgba(200,75,49,0.15); }
.card-clickable { cursor: pointer; }
.card-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--ink); padding-right: 75px; }
.card-meta { font-size: 13px; color: var(--ink-light); margin-bottom: 4px; }

.btn-edit-card { position: absolute; top: 15px; right: 55px; background: var(--cream); border: 1px solid var(--border); border-radius: 6px; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 14px; transition: all 0.2s; }
.btn-edit-card:hover { background: var(--accent-light); border-color: var(--accent); }
.btn-delete-card { position: absolute; top: 15px; right: 15px; background: #fee; border: 1px solid rgba(200,75,49,0.2); color: var(--accent); border-radius: 6px; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 14px; transition: all 0.2s; }
.btn-delete-card:hover { background: var(--accent); color: white; }

.table { width: 100%; background: var(--paper); border-radius: var(--radius); border: 1.5px solid var(--border); overflow: hidden; border-collapse: collapse; }
.table thead { background: var(--cream); }
.table th { text-align: left; padding: 12px 16px; font-size: 12px; font-weight: 700; text-transform: uppercase; color: var(--ink-light); }
.table td { padding: 16px; border-top: 1px solid var(--border); font-size: 14px; }

/* ==========================================================================
   MODALES Y FORMULARIOS
   ========================================================================== */
.modal { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center; }
.modal.active { display: flex; }
.modal-content { background: var(--paper); border-radius: var(--radius); padding: 40px; max-width: 600px; width: 90%; max-height: 90vh; overflow-y: auto; }
.modal-header { font-family: 'Playfair Display', serif; font-size: 24px; margin-bottom: 24px; }
.modal-actions { display: flex; gap: 12px; margin-top: 24px; }
.form-group { margin-bottom: 20px; }
label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-light); text-transform: uppercase; margin-bottom: 6px; }
input, select, textarea { width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-family: 'DM Sans', sans-serif; font-size: 15px; color: var(--ink); background: var(--cream); transition: all 0.2s; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); background: #fff; }

.checkbox-group { max-height: 300px; overflow-y: auto; border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 12px; background: var(--cream); }
.clase-group { margin-bottom: 16px; padding: 12px; background: var(--paper); border-radius: var(--radius-sm); }
.clase-group-header { font-weight: 600; display: flex; justify-content: space-between; align-items: center; cursor: pointer; transition: color 0.2s; }
.clase-group-header:hover { color: var(--accent); }
.clase-group-body { display: none; padding-top: 12px; margin-top: 12px; border-top: 1px dashed var(--border); }
.clase-group-body.active { display: block; }
.select-all-btn { font-size: 12px; color: var(--accent); cursor: pointer; text-decoration: underline; font-weight: 400; }
.checkbox-item { display: flex; align-items: center; gap: 8px; padding: 6px; }
.checkbox-item input { width: auto; margin: 0; cursor: pointer; }
.checkbox-item label { cursor: pointer; flex: 1; user-select: none; }

.hidden { display: none !important; }
.loading, .empty-state { text-align: center; padding: 60px 20px; color: var(--ink-light); }
.empty-icon { font-size: 64px; margin-bottom: 16px; opacity: 0.3; }

/* ==========================================================================
   ANÁLISIS INTELIGENTE Y EXPEDIENTES
   ========================================================================== */
.analytics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 32px; }
@media(max-width: 768px) { .analytics-grid { grid-template-columns: 1fr; } }
.insight-card { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; justify-content: center; }
.insight-icon { font-size: 32px; margin-bottom: 12px; }
.insight-title { font-size: 13px; text-transform: uppercase; font-weight: 700; color: var(--ink-light); margin-bottom: 8px; letter-spacing: 1px; }
.insight-value { font-family: 'Playfair Display', serif; font-size: 24px; color: var(--ink); line-height: 1.3; }
.insight-highlight { color: var(--accent); font-weight: bold; }
.insight-good { color: var(--green); font-weight: bold; }

.chart-box { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius); padding: 24px; }
.chart-box h3 { font-size: 16px; margin-bottom: 16px; text-align: center; }
.chart-wrapper { position: relative; height: 300px; width: 100%; }

.analytics-subject-select { padding: 10px 16px; font-family: 'DM Sans', sans-serif; font-size: 16px; font-weight: 600; border: 2px solid var(--ink); border-radius: var(--radius-sm); background: #fff; color: var(--ink); cursor: pointer; min-width: 250px; }

.report-section { background: var(--paper); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 32px; margin-bottom: 24px; box-shadow: 0 4px 20px rgba(26,26,46,0.04); }
.report-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; border-bottom: 2px solid var(--cream); padding-bottom: 16px; }
.report-title { font-family: 'Playfair Display', serif; font-size: 24px; color: var(--ink); }
.chart-container { position: relative; height: 300px; width: 100%; margin-bottom: 24px; }

.comments-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 16px; }
.comment-card { background: var(--cream); padding: 20px; border-radius: var(--radius-sm); border-left: 4px solid var(--accent); }
.comment-card h4 { margin-bottom: 8px; font-size: 15px; color: var(--ink); display: flex; justify-content: space-between; }
.comment-card p { font-size: 14px; color: var(--ink-light); margin: 0; font-style: italic; line-height: 1.5; }
.profe-tag { font-size: 12px; font-weight: 500; color: var(--ink-light); background: #fff; padding: 2px 8px; border-radius: 4px; border: 1px solid var(--border); font-style: normal; }

/* ==========================================================================
   ESTILOS PARA HORARIOS (TIMETABLE)
   ========================================================================== */
.timetable { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; border: 1.5px solid var(--border); table-layout: fixed; }
.timetable th { background: var(--ink); color: #fff; padding: 16px; text-align: center; font-weight: 600; font-size: 14px; border-right: 1px solid rgba(255,255,255,0.1); width: 16.66%; }
.timetable td { border: 1px solid var(--border); height: 80px; padding: 8px; vertical-align: top; }
.tt-hour { background: var(--cream); text-align: center; font-weight: 700; color: var(--ink-light); vertical-align: middle !important; font-size: 13px; border-right: 2px solid var(--border) !important; }
.tt-slot { background: var(--accent-light); border-left: 4px solid var(--accent); border-radius: 6px; padding: 8px; height: 100%; display: flex; flex-direction: column; justify-content: center; transition: all 0.2s; }
.tt-slot:hover { transform: scale(1.02); box-shadow: 0 4px 12px rgba(200,75,49,0.15); }
.tt-subject { font-weight: 700; font-size: 13px; color: var(--ink); line-height: 1.2; margin-bottom: 4px; }
.tt-teacher { font-size: 11px; color: var(--accent); font-weight: 600; text-transform: uppercase; }
.tt-break { background: #f0f0f0; border-left: 4px solid #888; border-radius: 6px; padding: 8px; height: 100%; display: flex; align-items: center; justify-content: center; text-align: center; font-weight: 700; font-size: 13px; color: #555; text-transform: uppercase; letter-spacing: 1px; }
.tt-blocked { background: #fee; border-left: 4px solid var(--accent); border-radius: 6px; padding: 8px; height: 100%; display: flex; align-items: center; justify-content: center; text-align: center; font-weight: 700; font-size: 12px; color: var(--accent); text-transform: uppercase; }

.schedule-form-grid { display: grid; grid-template-columns: 1fr 1fr 1fr 100px; gap: 12px; align-items: end; background: var(--cream); padding: 24px; border-radius: var(--radius); border: 1.5px dashed var(--border); margin-bottom: 32px; }
@media(max-width: 768px) { .schedule-form-grid { grid-template-columns: 1fr; } }
.tramo-row { display: flex; gap: 12px; margin-bottom: 8px; align-items: center; }
.tramo-input { flex: 1; }
.quick-time-generator { background: #fff; padding: 16px; border-radius: var(--radius-sm); border: 1px solid var(--border); margin-bottom: 16px; display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.quick-time-generator input { width: 100px; }

/* ==========================================================================
   RESTO DE ESTILOS (NOTAS, ACORDEONES, ASISTENCIA)
   ========================================================================== */
.attendance-row { display: flex; justify-content: space-between; align-items: center; padding: 16px; border-bottom: 1px solid var(--border); background: #fff; }
.ast-name { font-weight: 600; font-size: 15px; }
.ast-toggles { display: flex; gap: 4px; background: var(--cream); padding: 4px; border-radius: 8px; border: 1px solid var(--border); }
.ast-btn { border: none; background: transparent; padding: 8px 12px; border-radius: 6px; cursor: pointer; font-size: 14px; font-weight: 600; transition: all 0.2s; color: var(--ink-light); }
.ast-btn.active.P { background: var(--green-light); color: var(--green); }
.ast-btn.active.F { background: #fee; color: var(--accent); }
.ast-btn.active.R { background: #fff8e1; color: var(--gold); }
.attendance-summary-badge { background: var(--cream); border: 1.5px dashed var(--border); padding: 16px; border-radius: var(--radius); margin-bottom: 24px; display: flex; gap: 24px; align-items: center; justify-content: center; }

.professional-comment { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 24px; }
.comment-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.accordion-card { background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; }
.accordion-header { padding: 18px 20px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; background: #fff; }
.accordion-body { display: none; padding: 0 20px 20px 20px; border-top: 1px solid var(--border); background: var(--cream); }
.accordion-body.active { display: block; }
.record-row { display: flex; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px dashed var(--border); }
.record-desc input { background: #fff; border: 1px solid var(--border); font-size: 14px; padding: 10px 14px; }
.record-val { display: flex; align-items: center; gap: 8px; }
.record-val input { width: 68px; text-align: center; border: 1px solid var(--border); padding: 10px 4px; border-radius: var(--radius-sm); }
.val-nota { font-weight: 700; color: var(--accent); }
.val-max { font-weight: 500; color: var(--ink-light); background: var(--cream); }
.nota-final-display { background: var(--ink); border-radius: var(--radius); padding: 32px; text-align: center; margin-top: 32px; color: var(--gold); }
.nota-final-display .nota { font-size: 64px; font-weight: 700; font-family: 'Playfair Display', serif; line-height: 1; }

.ponderacion-config { display: flex; flex-direction: column; gap: 12px; }
.categoria-row { display: grid; grid-template-columns: 1fr 120px 40px; gap: 12px; margin-bottom:12px; }

/* IMPRESIÓN PDF */
@media print {
  .header, .nav-tabs, .trimestre-tabs, .btn-primary, .btn-secondary, .breadcrumb, .btn-icon, .btn-delete-card, .btn-edit-card, .schedule-form-grid, #btnExportarNotas, #horariosConfigArea, .quick-time-generator { display: none !important; }
  body { background: white; }
  .main { padding: 0; max-width: 100%; }
  .report-section { border: none; box-shadow: none; padding: 0; margin-bottom: 40px; page-break-inside: avoid; }
  .card { page-break-inside: avoid; border: 1px solid #ccc; box-shadow: none; }
  .comment-card { border-left-color: #000; background: #f9f9f9; }
  .chart-container, .chart-wrapper { height: 250px; }
  .timetable th { color: #000 !important; background: #eee !important; border: 1px solid #aaa; }
  .tt-slot { border-left: none; border: 1px solid #aaa; background: #fff; }
}