/* ============================================================================
   Sistema de Diseño Institucional · Universidad de Sonora (UNISON)
   Referencia cromática: https://campushermosillo.unison.mx/codigos-de-color/
   y Manual de Identidad Institucional UNISON (Azul y Dorado / Oro)
   ============================================================================ */
:root {
  /* Paleta clara de https://campushermosillo.unison.mx/codigos-de-color/ */
  --unison-sky-100: #e3f4fc;
  --unison-sky-200: #e0f6ff;
  --unison-sky-300: #c9eafd;
  --unison-sky-400: #abdefb;
  --unison-sky-500: #abdaeb;
  --unison-sky-600: #8bd3f9;

  /* Colores institucionales principales UNISON (Campus Hermosillo) */
  --unison-navy: #001149;
  --unison-navy-mid: #021e49;
  --unison-blue: #0045a5;
  --unison-blue-dark: #00337d;
  --unison-blue-heading: #004990;
  --unison-gold: #f8a200;
  --unison-gold-bright: #fe9b07;
  --unison-gold-soft: #fff5db;

  /* Variables semánticas de la plataforma */
  --bg: #f3f8fc;
  --card: #ffffff;
  --text: #162238;
  --muted: #52627a;
  --primary: var(--unison-blue);
  --primary-dark: var(--unison-navy-mid);
  --accent: var(--unison-gold);
  --danger-bg: #fdecec;
  --danger: #b42318;
  --ok: #067647;
  --border: #c5d9ec;
  --border-soft: #d9eaf7;
  --radius: 12px;
  --shadow-sm: 0 2px 10px rgba(0, 17, 73, .05);
  --shadow-md: 0 8px 26px rgba(0, 17, 73, .09);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--unison-sky-100) 0%, var(--bg) 260px, #eef5fb 100%);
  color: var(--text);
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  color: var(--unison-navy-mid);
  letter-spacing: -0.015em;
}
h1 { font-size: 1.5rem; font-weight: 750; margin: 0 0 .45rem; }
h2 { font-size: 1.16rem; font-weight: 700; margin: 0 0 .5rem; color: var(--unison-blue-heading); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
[hidden] { display: none !important; }

/* Tarjeta central (login, perfil, invitación, errores) */
.auth-card {
  position: relative;
  max-width: 27rem;
  margin: 7vh auto 2.5rem;
  padding: 2.2rem 2.1rem;
  background: var(--card);
  border: 1px solid var(--unison-sky-500);
  border-top: 5px solid var(--unison-gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.auth-card::before {
  content: "UNIVERSIDAD DE SONORA";
  display: inline-block;
  margin-bottom: .55rem;
  padding: .2rem .65rem;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--unison-navy-mid);
  background: var(--unison-sky-200);
  border: 1px solid var(--unison-sky-400);
  border-radius: 999px;
}
.auth-card.wide { max-width: 36rem; margin-top: 4vh; }
@media (max-width: 520px) {
  .auth-card { margin: 0; border-radius: 0; min-height: 100vh; box-shadow: none; }
}

label {
  display: block;
  margin: .95rem 0 .32rem;
  font-weight: 600;
  font-size: .9rem;
  color: var(--unison-navy-mid);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="file"],
input[type="url"],
textarea,
select,
input[type="number"],
input[type="time"],
input[type="datetime-local"] {
  width: 100%;
  padding: .62rem .8rem;
  font: inherit;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  transition: border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}
input:hover, textarea:hover, select:hover {
  border-color: var(--unison-sky-600);
}
input[readonly] {
  background: var(--unison-sky-100);
  color: var(--muted);
  border-color: var(--unison-sky-500);
}
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: none;
  border-color: var(--unison-blue);
  box-shadow: 0 0 0 3px rgba(139, 211, 249, .55);
}
textarea { resize: vertical; }

/* Botones principales y enlaces */
button, .link-btn {
  display: inline-block;
  margin-top: 1.2rem;
  width: 100%;
  padding: .72rem 1.05rem;
  font: inherit;
  font-weight: 650;
  text-align: center;
  text-decoration: none;
  color: #ffffff;
  background: linear-gradient(135deg, var(--unison-blue) 0%, var(--unison-navy-mid) 100%);
  border: 1px solid var(--unison-navy-mid);
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 69, 165, .22);
  transition: transform .1s ease, background .15s ease, box-shadow .15s ease;
}
button:hover:not(:disabled), .link-btn:hover {
  background: linear-gradient(135deg, var(--unison-blue-dark) 0%, var(--unison-navy) 100%);
  box-shadow: 0 4px 12px rgba(0, 17, 73, .28);
}
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { opacity: .55; cursor: not-allowed; box-shadow: none; }

button.link, .link-btn {
  background: none;
  border: 0;
  box-shadow: none;
}
button.link {
  color: var(--unison-blue);
  width: auto;
  margin-top: .75rem;
  padding: .25rem 0;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
button.link:hover:not(:disabled) {
  background: none;
  color: var(--unison-gold-bright);
  box-shadow: none;
}
.link-btn {
  color: var(--unison-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-top: .85rem;
  width: auto;
}
.link-btn:hover {
  background: none;
  color: var(--unison-gold-bright);
  box-shadow: none;
}

/* Alertas y avisos */
.alert {
  margin: 1rem 0;
  padding: .8rem 1.05rem;
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #f5c2c7;
  border-left: 4px solid var(--danger);
  border-radius: 8px;
  font-size: .92rem;
}
.alert.info {
  background: var(--unison-sky-200);
  color: var(--unison-navy-mid);
  border: 1px solid var(--unison-sky-600);
  border-left: 4px solid var(--unison-blue);
}
.alert.ok {
  background: #ecfdf3;
  color: var(--ok);
  border: 1px solid #abefc6;
  border-left: 4px solid var(--ok);
}
.alert ul { margin: 0; padding-left: 1.2rem; }

.identity {
  margin: 0 0 .65rem;
  padding: .45rem .75rem;
  font-weight: 600;
  color: var(--unison-navy-mid);
  background: var(--unison-sky-100);
  border-left: 3px solid var(--unison-gold);
  border-radius: 6px;
  word-break: break-all;
}
.requirements { margin: .75rem 0 0; padding-left: 1.2rem; color: var(--muted); font-size: .86rem; }
.captcha-box { margin-top: 1rem; min-height: 0; }

.blocked-title { font-weight: 700; color: var(--danger); margin: 0 0 .25rem; }
.countdown { font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; margin: .5rem 0; }

/* ============================================================================
   Barra Superior Institucional UNISON (Estudiante y Profesor)
   ============================================================================ */
.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 1.75rem;
  background: linear-gradient(90deg, var(--unison-navy) 0%, var(--unison-navy-mid) 55%, var(--unison-blue-heading) 100%);
  color: #ffffff;
  border-bottom: 4px solid var(--unison-gold);
  box-shadow: 0 4px 16px rgba(0, 17, 73, .18);
}
.student-card { display: flex; align-items: center; gap: .95rem; }
.student-data { display: flex; flex-direction: column; font-size: .9rem; line-height: 1.38; }
.student-data strong { color: #ffffff; font-size: .98rem; }
.student-data span { color: var(--unison-sky-300); }
.student-data .badge-info {
  background: var(--unison-gold);
  color: var(--unison-navy);
  font-weight: 800;
  margin-left: .35rem;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-items: center;
}
.topbar-actions a {
  color: var(--unison-sky-200);
  text-decoration: none;
  font-weight: 600;
  font-size: .9rem;
  padding: .45rem .85rem;
  border-radius: 8px;
  transition: background-color .15s ease, color .15s ease;
}
.topbar-actions a:hover {
  background: rgba(255, 255, 255, .12);
  color: var(--unison-gold-bright);
}
.topbar-actions a.nav-active {
  background: var(--unison-gold);
  color: var(--unison-navy) !important;
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(248, 162, 0, .35);
}
.topbar-actions form { margin: 0; }
.topbar-actions button.link {
  margin: 0;
  padding: .45rem .8rem;
  color: var(--unison-sky-300);
  text-decoration: none;
  font-size: .88rem;
  border: 1px solid rgba(201, 234, 253, .3);
  border-radius: 8px;
}
.topbar-actions button.link:hover:not(:disabled) {
  background: rgba(254, 155, 7, .18);
  border-color: var(--unison-gold);
  color: #ffffff;
}

/* Avatares */
.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--unison-sky-300);
  border: 2px solid var(--unison-gold);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .2);
}
.avatar.big { width: 96px; height: 96px; border-width: 3px; }
.avatar-initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--unison-navy-mid);
  background: linear-gradient(135deg, var(--unison-sky-200), var(--unison-sky-400));
  font-size: 1.2rem;
}
.photo-row { display: flex; align-items: center; gap: 1rem; }
.photo-row input[type="file"] { flex: 1; }

.content { max-width: 60rem; margin: 2rem auto 3rem; padding: 0 1.5rem; }
.content.wide-content { max-width: 80rem; }

/* ============================================================================
   Estilos del Panel del Profesor, Tablas, Tarjetas y Controles
   ============================================================================ */
.breadcrumb {
  display: inline-flex;
  gap: .5rem;
  align-items: center;
  margin-bottom: 1.1rem;
  padding: .35rem .8rem;
  font-size: .86rem;
  font-weight: 600;
  color: var(--unison-navy-mid);
  background: var(--unison-sky-100);
  border: 1px solid var(--unison-sky-500);
  border-radius: 999px;
}
.breadcrumb a { color: var(--unison-blue); text-decoration: none; }
.breadcrumb a:hover { color: var(--unison-gold-bright); text-decoration: underline; }

.page-header {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: .9rem;
  border-bottom: 2px solid var(--unison-sky-500);
}

/* Métricas superiores con acentos institucionales */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(195px, 1fr));
  gap: 1.1rem;
  margin-bottom: 1.65rem;
}
.stat-card {
  padding: 1.15rem 1.35rem;
  background: linear-gradient(180deg, #ffffff 0%, var(--unison-sky-100) 100%);
  border: 1px solid var(--unison-sky-500);
  border-top: 4px solid var(--unison-blue);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.stat-card:nth-child(even) {
  border-top-color: var(--unison-gold);
}
.stat-label {
  display: block;
  font-size: .82rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
}
.stat-value {
  display: block;
  margin-top: .2rem;
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--unison-navy-mid);
}

.grid-two {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 1.35rem;
  align-items: start;
}
@media (max-width: 900px) {
  .grid-two { grid-template-columns: 1fr; }
}

.panel-card {
  padding: 1.45rem 1.6rem;
  background: var(--card);
  border: 1px solid var(--unison-sky-500);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.section-block { margin-bottom: 1.6rem; }
.section-header {
  margin-bottom: 1.1rem;
  padding-bottom: .65rem;
  border-bottom: 1px solid var(--unison-sky-300);
}

.course-list { display: flex; flex-direction: column; gap: .85rem; }
.course-item {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1.05rem 1.2rem;
  border: 1px solid var(--unison-sky-500);
  border-left: 5px solid var(--unison-blue);
  border-radius: 10px;
  background: linear-gradient(90deg, var(--unison-sky-100) 0%, #ffffff 65%);
  transition: border-color .15s ease, box-shadow .15s ease, transform .12s ease;
}
.course-item:hover {
  border-left-color: var(--unison-gold);
  box-shadow: 0 4px 14px rgba(0, 69, 165, .1);
}
.course-item-title { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; font-size: 1.04rem; }
.course-link { color: var(--unison-blue); text-decoration: none; font-weight: 650; }
.course-link:hover { color: var(--unison-gold-bright); text-decoration: underline; }
.meta-row { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; }

/* Insignias (Badges) con paleta UNISON */
.badge {
  display: inline-block;
  padding: .18rem .6rem;
  font-size: .75rem;
  font-weight: 700;
  border-radius: 999px;
  white-space: nowrap;
}
.badge-ok { background: #dcfce7; color: #065f46; border: 1px solid #86efac; }
.badge-info {
  background: var(--unison-sky-300);
  color: var(--unison-navy-mid);
  border: 1px solid var(--unison-sky-600);
}
.badge-warn {
  background: var(--unison-gold-soft);
  color: #92400e;
  border: 1px solid var(--unison-gold);
}
.badge-danger { background: #fdecec; color: #b42318; border: 1px solid #f8b4b4; }
.badge-muted { background: #e6eef6; color: #41526b; border: 1px solid #cbd9e8; }

/* Botones de acción secundarios y en línea */
.btn-secondary, .btn-danger, .btn-primary-inline, .btn-primary-block {
  display: inline-block;
  width: auto;
  margin-top: 0;
  padding: .5rem .95rem;
  font-size: .88rem;
  font-weight: 650;
  text-decoration: none;
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  transition: all .15s ease;
}
.btn-secondary {
  background: var(--unison-sky-100);
  color: var(--unison-navy-mid);
  border: 1px solid var(--unison-sky-500);
  box-shadow: none;
}
.btn-secondary:hover:not(:disabled) {
  background: var(--unison-sky-300);
  border-color: var(--unison-blue);
  color: var(--unison-navy);
  box-shadow: none;
}
.btn-danger {
  background: var(--danger);
  color: #ffffff;
  border: 1px solid #912018;
  box-shadow: none;
}
.btn-danger:hover:not(:disabled) { background: #912018; }
.btn-primary-inline {
  background: linear-gradient(135deg, var(--unison-blue) 0%, var(--unison-navy-mid) 100%);
  color: #ffffff;
  border: 1px solid var(--unison-navy-mid);
}
.btn-primary-inline:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--unison-gold-bright) 0%, #d97706 100%);
  border-color: #b45309;
  color: #ffffff;
}
.btn-primary-block {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: .72rem 1rem;
  background: linear-gradient(135deg, var(--unison-blue) 0%, var(--unison-navy-mid) 100%);
  color: #ffffff;
}
.btn-sm { padding: .4rem .78rem; font-size: .84rem; }
.btn-xs { padding: .26rem .58rem; font-size: .78rem; }
.btn-icon {
  width: auto;
  margin: 0;
  padding: .22rem .5rem;
  font-size: .82rem;
  background: var(--unison-sky-100);
  color: var(--unison-navy-mid);
  border: 1px solid var(--unison-sky-500);
  box-shadow: none;
}
.btn-icon:hover:not(:disabled) {
  background: var(--unison-sky-300);
  border-color: var(--unison-blue);
}

/* Tablas de datos con cabeceras en la paleta #c9eafd / #abdaeb */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--unison-sky-500);
  border-radius: 10px;
  background: #ffffff;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .91rem;
}
.data-table th, .data-table td {
  padding: .72rem .85rem;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: top;
}
.data-table tbody tr:hover {
  background: var(--unison-sky-100);
}
.data-table tbody tr:last-child td {
  border-bottom: 0;
}
.data-table th {
  font-size: .78rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--unison-navy-mid);
  background: linear-gradient(180deg, var(--unison-sky-300) 0%, var(--unison-sky-500) 100%);
  border-bottom: 2px solid var(--unison-blue);
}
.nowrap { white-space: nowrap; }

.inline-form { display: inline; margin: 0; }
.inline-actions { display: flex; gap: .4rem; align-items: center; }
.danger-text { color: var(--danger) !important; }

.code-pill {
  display: inline-block;
  padding: .18rem .5rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--unison-navy-mid);
  background: var(--unison-sky-200);
  border: 1px solid var(--unison-sky-400);
  border-radius: 6px;
  word-break: break-all;
}

/* Acordeones desplegables con paleta #e3f4fc y #8bd3f9 */
.accordion-box {
  margin-top: 1rem;
  padding: .9rem 1.1rem;
  border: 1px solid var(--unison-sky-600);
  border-left: 4px solid var(--unison-gold);
  border-radius: 10px;
  background: var(--unison-sky-100);
}
.accordion-box > summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--unison-navy-mid);
}
.accordion-box > summary:hover {
  color: var(--unison-blue);
}
.accordion-box[open] {
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}
.accordion-box[open] > summary {
  margin-bottom: .85rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--unison-sky-300);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .85rem 1rem;
  align-items: start;
}
.form-grid label { margin-top: .25rem; }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.subgrid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.flex-align-end { display: flex; align-items: flex-end; height: 100%; padding-bottom: .35rem; }
@media (max-width: 820px) {
  .form-grid { grid-template-columns: 1fr; }
  .span-2, .span-3 { grid-column: span 1; }
  .subgrid-two { grid-template-columns: 1fr; }
}

.days-custom-box {
  margin-top: .6rem;
  padding: .7rem .85rem;
  border: 1px solid var(--unison-sky-500);
  border-radius: 8px;
  background: var(--unison-sky-100);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: .45rem .75rem;
}
.day-check-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .4rem;
}
.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin: 0;
  font-weight: 500;
  cursor: pointer;
}
.select-xs { width: auto; padding: .2rem .4rem; font-size: .8rem; }

.inline-details { position: relative; display: inline-block; }
.inline-details > summary { list-style: none; }
.inline-details > summary::-webkit-details-marker { display: none; }
.details-popover {
  position: absolute;
  right: 0;
  z-index: 30;
  width: 22rem;
  margin-top: .4rem;
  border-top: 3px solid var(--unison-gold);
  box-shadow: 0 12px 32px rgba(0, 17, 73, .2);
}
.details-popover.wide-popover { width: 28rem; }
@media (max-width: 600px) {
  .details-popover, .details-popover.wide-popover {
    position: static;
    width: 100%;
  }
}

.divider { border: 0; border-top: 1px solid var(--unison-sky-500); margin: 1rem 0; }
.sub-indent { padding-left: 1rem; color: var(--unison-navy-mid); }

.user-cell { display: flex; align-items: center; gap: .65rem; }
.avatar-sm {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--unison-sky-300);
  border: 1.5px solid var(--unison-gold);
  font-size: .82rem;
}

.toolbar-row, .bulk-schedule-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}
.bulk-schedule-bar { margin-top: 1rem; padding-top: .85rem; border-top: 1px solid var(--unison-sky-500); }
.inline-filter-form { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin: 0; }
.inline-label { margin: 0; font-weight: 650; font-size: .88rem; white-space: nowrap; color: var(--unison-navy-mid); }
.inline-filter-form select, .bulk-schedule-bar input[type="datetime-local"] { width: auto; }

.student-Verify-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: .5rem;
  margin: .5rem 0 1rem;
  max-height: 16rem;
  overflow-y: auto;
  padding: .55rem;
  border: 1px solid var(--unison-sky-500);
  border-radius: 8px;
  background: #ffffff;
}
.checkbox-card {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  margin: 0;
  padding: .45rem .55rem;
  font-weight: 400;
  font-size: .88rem;
  border-radius: 6px;
  cursor: pointer;
}
.checkbox-card:hover { background: var(--unison-sky-200); }

.submission-box {
  padding: .55rem .7rem;
  background: var(--unison-sky-100);
  border: 1px solid var(--unison-sky-500);
  border-radius: 8px;
}
.grade-form { margin-top: .45rem; }
.grade-controls { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.grade-input { width: 5.5rem !important; padding: .3rem .45rem !important; }

.student-profile-header { display: flex; gap: 1.1rem; align-items: center; margin-bottom: 1rem; }
.detail-dl {
  display: grid;
  grid-template-columns: 11.5rem 1fr;
  gap: .5rem .8rem;
  margin: 1rem 0;
  padding: .85rem 1rem;
  background: var(--unison-sky-100);
  border: 1px solid var(--unison-sky-400);
  border-radius: 8px;
  font-size: .91rem;
}
.detail-dl dt { color: var(--unison-navy-mid); font-weight: 650; }
.detail-dl dd { margin: 0; }
.control-actions-stack { display: flex; flex-direction: column; gap: .6rem; }
.control-actions-stack form button { margin-top: 0; }

.invite-summary {
  margin: 1rem 0 1.25rem;
  padding: .95rem 1.1rem;
  background: linear-gradient(135deg, var(--unison-sky-100) 0%, var(--unison-sky-200) 100%);
  border: 1px solid var(--unison-sky-600);
  border-left: 4px solid var(--unison-gold);
  border-radius: 8px;
  font-size: .93rem;
  display: flex;
  flex-direction: column;
  gap: .32rem;
}

.pagination-bar {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  margin-top: 1.25rem;
}

/* ============================================================================
   Panel Minimalista del Estudiante y Resaltado Inteligente con Paleta UNISON
   ============================================================================ */
.student-courses-stack {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  margin-top: 1rem;
}

.student-course-panel {
  background: var(--card);
  border: 1px solid var(--unison-sky-500);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.student-course-summary {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.45rem;
  cursor: pointer;
  list-style: none;
  background: linear-gradient(90deg, var(--unison-sky-300) 0%, var(--unison-sky-100) 100%);
  border-left: 5px solid var(--unison-blue);
}
.student-course-summary::-webkit-details-marker { display: none; }
.student-course-panel[open] > .student-course-summary {
  border-bottom: 1px solid var(--unison-sky-500);
  border-left-color: var(--unison-gold);
}

.student-course-header-info {
  display: flex;
  align-items: center;
  gap: .65rem;
  flex-wrap: wrap;
}
.student-course-title {
  font-size: 1.14rem;
  font-weight: 750;
  color: var(--unison-navy-mid);
}
.student-course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-items: center;
  color: var(--unison-navy-mid);
}

.student-course-body {
  padding: 1.3rem 1.45rem;
}

.student-task-list {
  display: flex;
  flex-direction: column;
  gap: .95rem;
}

.student-task-card {
  padding: 1.05rem 1.2rem;
  border: 1px solid var(--unison-sky-500);
  border-radius: 10px;
  background: #ffffff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.student-task-card:hover {
  border-color: var(--unison-sky-600);
}

/* Resaltado automático de la tarea activa de la semana o más próxima */
.student-task-card.task-card-highlighted {
  border: 2px solid var(--unison-blue);
  border-left: 6px solid var(--unison-gold);
  background: linear-gradient(135deg, var(--unison-sky-200) 0%, #ffffff 85%);
  box-shadow: 0 6px 18px rgba(0, 69, 165, .13);
}

.highlight-banner {
  display: inline-block;
  margin-bottom: .55rem;
  padding: .22rem .7rem;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--unison-navy);
  background: var(--unison-gold);
  border-radius: 6px;
}

.student-task-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.student-task-main { flex: 1; min-width: 240px; }
.student-task-title-line {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
}
.student-task-link {
  color: var(--unison-navy-mid);
  text-decoration: none;
  font-size: 1.03rem;
}
.student-task-link:hover {
  color: var(--unison-blue);
  text-decoration: underline;
}

.student-submissions-mini {
  margin-top: .55rem;
  padding-top: .45rem;
  border-top: 1px dashed var(--unison-sky-500);
  color: var(--text);
}

.student-task-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
}

.task-deadline-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: .75rem 1rem;
  margin: 1rem 0;
  padding: .95rem 1.1rem;
  background: linear-gradient(90deg, var(--unison-sky-200) 0%, var(--unison-sky-100) 100%);
  border: 1px solid var(--unison-sky-600);
  border-left: 4px solid var(--unison-gold);
  border-radius: 10px;
}
.task-deadline-banner > div {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.task-description-box {
  margin-top: 1rem;
  padding: 1rem 1.2rem;
  background: var(--unison-sky-100);
  border: 1px solid var(--unison-sky-500);
  border-radius: 10px;
}