@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700;800&family=Source+Sans+3:wght@400;500;600;700&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css');

:root {
  --egel-guinda: #800101;
  --egel-guinda-dark: #681010;
  --egel-guinda-hover: #600000;
  --egel-guinda-soft: #f7eaea;
  --egel-blue: #2563eb;
  --egel-green: #10b981;
  --egel-gold: #f59e0b;
  --egel-purple: #7c3aed;
  --egel-red-soft: #ef4444;
  --egel-bg: #f5f7fa;
  --egel-card: #ffffff;
  --egel-text: #1f2937;
  --egel-muted: #6b7280;
  --egel-border: #e5e7eb;

  --brand-red: var(--egel-guinda);
  --brand-orange: var(--egel-blue);
  --primary-900: #3f0b10;
  --primary-700: var(--egel-guinda-dark);
  --neutral-500: #9ca3af;
  --neutral-800: #4b5563;
  --accent-500: var(--egel-gold);
  --accent-600: #059669;
  --accent-200: #fef3c7;

  --surface: var(--egel-bg);
  --surface-raised: #ffffff;
  --surface-soft: #f9fafb;
  --text: var(--egel-text);
  --text-soft: var(--egel-muted);
  --line: var(--egel-border);
  --line-strong: #d1d5db;
  --radius: 14px;

  --shadow-sm: 0 8px 20px rgba(31, 41, 55, 0.055);
  --shadow-md: 0 16px 32px rgba(31, 41, 55, 0.1);

  --bs-primary: var(--brand-red);
  --bs-secondary: var(--neutral-800);
  --bs-success: var(--accent-600);
  --bs-warning: var(--accent-500);
  --bs-danger: var(--primary-700);
  --bs-info: var(--brand-orange);
  --bs-body-color: var(--text);
  --bs-border-color: var(--line);
}

* {
  scrollbar-width: thin;
  scrollbar-color: #b8bec7 #f3f4f6;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-track {
  background: #f3f4f6;
}

*::-webkit-scrollbar-thumb {
  background: #b8bec7;
  border-radius: 999px;
}

body {
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.45;
  background: var(--egel-bg);
  min-height: 100vh;
}

.bg-light {
  background-color: transparent !important;
}

h1,
h2,
h3,
h4,
h5,
h6,
.fw-semibold,
.display-6 {
  font-family: 'Montserrat', 'Source Sans 3', sans-serif;
  color: var(--primary-900);
  letter-spacing: 0.01em;
}

h2,
h3 {
  font-weight: 700;
}

a {
  color: var(--brand-red);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  text-decoration-color: rgba(185, 17, 22, 0.28);
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

a:hover {
  color: var(--primary-700);
  text-decoration-color: rgba(132, 24, 22, 0.55);
}

.text-muted,
.small.text-muted,
.form-text,
.small {
  color: var(--text-soft) !important;
}

.container {
  position: relative;
  z-index: 1;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-raised);
  box-shadow: var(--shadow-sm) !important;
  overflow: hidden;
}

.card.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.card .card-body {
  padding: 1.2rem;
}

.card .card-title,
.card h5 {
  color: var(--primary-900);
}

.card hr,
hr {
  border-color: var(--line);
  opacity: 1;
}

.table-responsive {
  border-radius: 12px;
}

.table {
  --bs-table-bg: #fff;
  --bs-table-striped-bg: #fafbfc;
  --bs-table-hover-bg: #f3f5f7;
  border-color: var(--line);
  margin-bottom: 0;
}

.table thead th {
  background: #f8fafc;
  color: var(--primary-900);
  border-color: var(--line);
  font-weight: 700;
}

.table td,
.table th {
  border-color: var(--line);
  vertical-align: middle;
}

.form-label {
  color: var(--primary-900);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.form-control,
.form-select {
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background-color: #fff;
  color: var(--text);
  min-height: 42px;
}

.form-control::placeholder {
  color: #9ca3af;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand-orange);
  box-shadow: 0 0 0 0.22rem rgba(128, 1, 1, 0.12);
}

.form-check-input {
  border-color: #bfc5cd;
}

.form-check-input:checked {
  background-color: var(--brand-red);
  border-color: var(--brand-red);
}

.btn {
  border-radius: 10px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.16s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary {
  --bs-btn-bg: var(--brand-red);
  --bs-btn-border-color: var(--brand-red);
  --bs-btn-hover-bg: var(--primary-700);
  --bs-btn-hover-border-color: var(--primary-700);
  --bs-btn-active-bg: var(--primary-900);
  --bs-btn-active-border-color: var(--primary-900);
  --bs-btn-focus-shadow-rgb: 185, 17, 22;
  box-shadow: 0 8px 16px rgba(185, 17, 22, 0.26);
}

.btn-success {
  --bs-btn-bg: var(--accent-600);
  --bs-btn-border-color: var(--accent-600);
  --bs-btn-hover-bg: #047857;
  --bs-btn-hover-border-color: #047857;
  --bs-btn-active-bg: #065f46;
  --bs-btn-active-border-color: #065f46;
  box-shadow: 0 8px 16px rgba(5, 150, 105, 0.18);
}

.btn-warning {
  --bs-btn-bg: var(--accent-500);
  --bs-btn-border-color: var(--accent-500);
  --bs-btn-hover-bg: #db8200;
  --bs-btn-hover-border-color: #db8200;
  --bs-btn-active-bg: #b66d00;
  --bs-btn-active-border-color: #b66d00;
  --bs-btn-color: #2f1b13;
}

.btn-danger {
  --bs-btn-bg: var(--primary-700);
  --bs-btn-border-color: var(--primary-700);
  --bs-btn-hover-bg: var(--primary-900);
  --bs-btn-hover-border-color: var(--primary-900);
}

.btn-outline-primary {
  --bs-btn-color: var(--brand-red);
  --bs-btn-border-color: #c88b8e;
  --bs-btn-hover-bg: var(--brand-red);
  --bs-btn-hover-border-color: var(--brand-red);
  --bs-btn-hover-color: #fff;
}

.btn-outline-secondary {
  --bs-btn-color: var(--neutral-800);
  --bs-btn-border-color: #bab8b8;
  --bs-btn-hover-bg: #7b7a7a;
  --bs-btn-hover-border-color: #7b7a7a;
}

.btn-outline-danger {
  --bs-btn-color: var(--primary-700);
  --bs-btn-border-color: var(--primary-700);
  --bs-btn-hover-bg: var(--primary-700);
  --bs-btn-hover-border-color: var(--primary-700);
}

.btn-outline-warning {
  --bs-btn-color: #9a4f00;
  --bs-btn-border-color: #df9d4e;
  --bs-btn-hover-bg: var(--accent-500);
  --bs-btn-hover-border-color: var(--accent-500);
  --bs-btn-hover-color: #2f1b13;
}

.input-group .btn {
  box-shadow: none;
}

.alert {
  border-radius: 12px;
  border-width: 1px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.alert-info {
  --bs-alert-color: #1e4b8f;
  --bs-alert-bg: #edf4ff;
  --bs-alert-border-color: #c9dcff;
}

.alert-warning {
  --bs-alert-color: #7b4b09;
  --bs-alert-bg: #fff8e6;
  --bs-alert-border-color: #f7ddb0;
}

.alert-secondary {
  --bs-alert-bg: #f3f3f3;
  --bs-alert-border-color: #dfdfdf;
  --bs-alert-color: #545353;
}

.badge {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge.text-bg-success {
  background-color: var(--accent-600) !important;
}

.badge.text-bg-warning {
  background-color: var(--accent-500) !important;
  color: #2f1b13 !important;
}

.badge.text-bg-secondary {
  background-color: #7f7e7e !important;
}

.progress {
  background-color: #edf0f4;
  border-radius: 999px;
}

.progress-bar {
  background: linear-gradient(92deg, var(--brand-red) 0%, var(--brand-orange) 100%);
  border-radius: 999px;
}

.progress-thin {
  height: 10px;
}

.list-group-item {
  border-color: var(--line);
}

.list-group-item:hover {
  background: #f7f8fa;
}

.pagination .page-link {
  color: var(--brand-red);
  border-color: var(--line);
  background-color: #fff;
}

.pagination .page-link:hover {
  background-color: var(--egel-guinda-soft);
  color: var(--primary-900);
}

.pagination .page-item.active .page-link,
.pagination .page-item .page-link:focus {
  background-color: var(--brand-red);
  border-color: var(--brand-red);
  color: #fff;
  box-shadow: 0 0 0 0.2rem rgba(185, 17, 22, 0.15);
}

.sticky-topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 24px rgba(81, 16, 19, 0.08);
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}

#timer {
  color: var(--brand-red);
  font-weight: 800;
}

.q-card {
  scroll-margin-top: 160px;
  transition: transform 0.18s ease, box-shadow 0.22s ease, border-color 0.2s ease;
}

.q-card .card-body {
  border-top: 3px solid #e9d5d6;
}

.q-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md) !important;
}

.q-card.is-answered {
  border-color: #b8dfcd;
}

.q-card.is-answered .card-body {
  border-top-color: var(--accent-600);
  background: #fbfffd;
}

.qnav a {
  min-width: 46px;
  font-weight: 700;
}

#lastSave {
  min-height: 1.2rem;
}

.exam-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1040;
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  box-shadow: var(--shadow-md);
}

.modal-content {
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
}

.modal-header,
.modal-footer {
  border-color: var(--line);
}

.disabled-all {
  pointer-events: none;
  opacity: 0.55;
  filter: grayscale(0.25);
}

.u-th-80 { width: 80px; }
.u-th-90 { width: 90px; }
.u-th-110 { width: 110px; }
.u-th-170 { width: 170px; }
.u-th-180 { width: 180px; }
.u-th-220 { width: 220px; }
.u-th-320 { width: 320px; }

@media (max-width: 992px) {
  .container.py-5 {
    padding-top: 1.5rem !important;
    padding-bottom: 1.5rem !important;
  }

  .card .card-body {
    padding: 1rem;
  }
}

@media (max-width: 768px) {
  h2 {
    font-size: 1.45rem;
  }

  .display-6 {
    font-size: 2rem;
  }

  .btn {
    border-radius: 9px;
  }
}

/* Componentes compartidos para páginas de gestión, materiales y evaluación. */
.card { border-color: var(--egel-border); border-radius: 14px; box-shadow: var(--shadow-sm) !important; }
.card .card-body { padding: 1.25rem; }
.table { --bs-table-bg: #fff; --bs-table-striped-bg: #fafbfc; --bs-table-hover-bg: #f7f8fa; border-color: var(--egel-border); }
.table thead th { padding: .82rem .9rem; background: #f8fafc; color: #4b5563; border-color: var(--egel-border); font-family: 'Source Sans 3', sans-serif; font-size: .72rem; font-weight: 800; letter-spacing: .055em; text-transform: uppercase; }
.table td { padding: .82rem .9rem; color: #4b5563; }
.form-control, .form-select { border-color: #d1d5db; background: #fff; }
.form-control:focus, .form-select:focus { border-color: var(--egel-guinda); box-shadow: 0 0 0 .22rem rgba(128,1,1,.12); }
.form-check-input { border-color: #bfc5cd; }
.form-check-input:checked { border-color: var(--egel-guinda); background-color: var(--egel-guinda); }
.btn-success { --bs-btn-bg: #059669; --bs-btn-border-color: #059669; --bs-btn-hover-bg: #047857; --bs-btn-hover-border-color: #047857; }
.btn-warning { --bs-btn-bg: #f59e0b; --bs-btn-border-color: #f59e0b; --bs-btn-hover-bg: #d97706; --bs-btn-hover-border-color: #d97706; --bs-btn-color: #3f2a00; }
.btn-danger { --bs-btn-bg: #dc2626; --bs-btn-border-color: #dc2626; --bs-btn-hover-bg: #b91c1c; --bs-btn-hover-border-color: #b91c1c; }
.alert { border-radius: 11px; font-size: .88rem; }
.alert-info { --bs-alert-color: #1e4b8f; --bs-alert-bg: #edf4ff; --bs-alert-border-color: #c9dcff; }
.alert-warning { --bs-alert-color: #7b4b09; --bs-alert-bg: #fff8e6; --bs-alert-border-color: #f7ddb0; }
.alert-secondary { --bs-alert-color: #4b5563; --bs-alert-bg: #f6f7f8; --bs-alert-border-color: #e1e4e8; }
.badge { border-radius: 999px; padding: .38em .62em; }
.egel-role-admin { color: #fff; background: var(--egel-guinda); }
.egel-role-docente { color: #fff; background: #059669; }
.egel-role-alumno { color: #fff; background: var(--egel-blue); }
.egel-status-active { color: #047857; background: #e8f8f0; }
.egel-status-pending { color: #9a6200; background: #fff3d6; }
.egel-status-blocked { color: #b42318; background: #fff0ef; }
.egel-page-kicker { color: var(--egel-guinda); font-size: .72rem; font-weight: 800; letter-spacing: .085em; text-transform: uppercase; }
.egel-empty-state { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 180px; padding: 22px; border: 1px dashed #d7dde5; border-radius: 12px; background: #fafbfd; color: #6b7280; }
.egel-empty-state > i { color: #9ca3af; font-size: 1.8rem; }
.egel-empty-state strong { display: block; color: #4b5563; }
.egel-empty-state p { margin: 4px 0 0; font-size: .84rem; }

.assessment-page { background: #f5f7fa; }
.assessment-rule-alert { width: min(970px, 100%); margin: 0 auto 16px; }
.assessment-page .assessment-wrap { width: min(970px, calc(100% - 32px)); margin: 0 auto; padding: 31px 0 46px; }
.assessment-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.assessment-header h1 { margin: 0; color: #1f2937; font-size: clamp(1.55rem, 4vw, 2.15rem); font-weight: 800; }
.assessment-header p { margin: 4px 0 0; color: #6b7280; }
.assessment-card { border: 1px solid var(--egel-border); border-radius: 15px; background: #fff; box-shadow: var(--shadow-sm); }
.assessment-card .card-body { padding: clamp(1.1rem, 3vw, 1.85rem); }
.assessment-progress { height: 8px; margin: 14px 0 25px; overflow: hidden; border-radius: 99px; background: #edf0f4; }
.assessment-progress > span { display: block; height: 100%; border-radius: inherit; background: var(--egel-guinda); }
.assessment-question { padding: 18px 0; border-bottom: 1px solid #edf0f2; }
.assessment-question:last-of-type { border-bottom: 0; }
.assessment-question-number { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 8px; color: var(--egel-guinda); font-size: .78rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.assessment-question-number::before { content: '\f4c9'; font-family: bootstrap-icons; }
.assessment-question .form-check { margin-top: 9px; padding: 11px 13px 11px 2.2rem; border: 1px solid #e3e7ec; border-radius: 9px; transition: border-color .18s ease, background-color .18s ease; }
.assessment-question .form-check:hover { border-color: #d8b0b2; background: #fdfafa; }
.assessment-question .form-check-input { margin-top: .25rem; }
.assessment-question .form-check-label { width: 100%; color: #374151; cursor: pointer; }
.assessment-submit { position: sticky; bottom: 13px; margin-top: 22px; padding: 12px; border: 1px solid #eadadd; border-radius: 12px; background: rgba(255,255,255,.94); backdrop-filter: blur(5px); }
.assessment-result-grid .assessment-metric { height: 100%; padding: 17px; border: 1px solid #e6e9ee; border-radius: 12px; background: #fff; }
.assessment-metric small { display: block; color: #6b7280; font-weight: 700; }
.assessment-metric strong { display: block; margin-top: 6px; color: #1f2937; font-family: 'Montserrat', sans-serif; font-size: 1.55rem; font-weight: 800; }
.assessment-result-score { color: var(--egel-guinda) !important; }
.exam-page .sticky-topbar { background: rgba(255,255,255,.97); border-color: var(--egel-border) !important; box-shadow: 0 7px 18px rgba(31,41,55,.06); }
.exam-page .q-card { border-color: #e3e7ec; box-shadow: 0 6px 15px rgba(31,41,55,.035) !important; }
.exam-page .q-card .card-body { border-top-color: #e9d5d6; }
.exam-page .q-card.is-answered { border-color: #b8dfcd; }
.exam-page .q-card.is-answered .card-body { border-top-color: #059669; background: #fbfffd; }
.exam-page .qnav a { min-width: 39px; border-radius: 8px; }
.exam-page .alert-warning { border-radius: 11px; }
.egel-material-public-card { transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.egel-material-public-card:hover { border-color: #d9b2b4; box-shadow: 0 14px 26px rgba(31,41,55,.075) !important; transform: translateY(-2px); }
.egel-material-public-card .card-body { display: flex; flex-direction: column; }
.egel-material-public-icon { display: grid; width: 33px; height: 33px; place-items: center; border-radius: 9px; background: #fff0f0; color: #c83535; font-size: 1.03rem; }
.egel-material-public-card h5 { min-height: 43px; color: #374151; font-size: .98rem; font-weight: 800; }
.egel-material-public-card p { color: #6b7280; font-size: .84rem; }
.egel-material-public-card .d-grid { margin-top: auto; }
@media (max-width: 767.98px) { .assessment-page .assessment-wrap { width: min(100% - 24px, 970px); padding-top: 22px; } .assessment-header { align-items: flex-start; flex-direction: column; } .assessment-header .btn { width: 100%; } .assessment-card .card-body { padding: 1rem; } }

@media print {
  .assessment-active * { visibility: hidden !important; }
  .assessment-active::before { display: block; visibility: visible !important; padding: 3rem; color: #800101; font: 700 18px/1.5 'Montserrat', sans-serif; content: 'La impresión y captura del contenido de la evaluación no están permitidas.'; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; } }