/* ══════════════════════════════════════════════════════
   PORTAL ESTUDIANTIL CEB 5/4
   Diseño moderno, mobile-first
══════════════════════════════════════════════════════ */

:root {
  --green:       #059669;
  --green-dark:  #047857;
  --green-light: #d1fae5;
  --blue:        #1d4ed8;
  --blue-dark:   #1e40af;
  --blue-light:  #dbeafe;
  --amber:       #d97706;
  --amber-light: #fef3c7;
  --red:         #dc2626;
  --red-light:   #fee2e2;
  --slate-50:    #f8fafc;
  --slate-100:   #f1f5f9;
  --slate-200:   #e2e8f0;
  --slate-400:   #94a3b8;
  --slate-600:   #475569;
  --slate-800:   #1e293b;
  --slate-900:   #0f172a;
  --white:       #ffffff;
  --radius:      14px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow:      0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:   0 10px 40px rgba(0,0,0,.14);
  --font:        'Inter', -apple-system, sans-serif;
  --font-head:   'Outfit', var(--font);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--slate-100);
  color: var(--slate-800);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── TIPOGRAFÍA ────────────────────────────────────── */
h1,h2,h3,h4 { font-family: var(--font-head); line-height: 1.2; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font); cursor: pointer; border: none; }
input, select, textarea { font-family: var(--font); }

/* ══════════════════════════════════════════════════════
   LOGIN PAGE
══════════════════════════════════════════════════════ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #065f46 100%);
  position: relative;
  overflow: hidden;
}

/* Decoración de fondo */
.login-page::before, .login-page::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: 0.07;
  background: white;
}
.login-page::before { width: 500px; height: 500px; top: -100px; right: -150px; }
.login-page::after  { width: 400px; height: 400px; bottom: -100px; left: -100px; }

.login-card {
  background: var(--white);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 440px;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.login-header {
  background: linear-gradient(135deg, #059669 0%, #1d4ed8 100%);
  padding: 2.5rem 2rem 2rem;
  text-align: center;
  color: white;
}

.login-logo {
  width: 64px; height: 64px;
  background: rgba(255,255,255,0.15);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  backdrop-filter: blur(4px);
}

.login-logo svg { width: 32px; height: 32px; }

.login-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 0.3rem; }
.login-subtitle { font-size: 0.85rem; opacity: 0.85; font-weight: 400; }

.login-body { padding: 2rem; }

/* Tabs de tipo de usuario */
.type-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  background: var(--slate-100);
  border-radius: 12px;
  padding: 0.3rem;
}

.type-tab {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.3rem; padding: 0.75rem 0.5rem;
  border-radius: 9px;
  border: none; background: transparent;
  font-size: 0.85rem; font-weight: 600; color: var(--slate-400);
  transition: all 0.2s;
  cursor: pointer;
}
.type-tab svg { width: 20px; height: 20px; }
.type-tab.active-alumno { background: var(--white); color: var(--green); box-shadow: var(--shadow-sm); }
.type-tab.active-padre  { background: var(--white); color: var(--blue);  box-shadow: var(--shadow-sm); }

/* Campo de login */
.login-field { margin-bottom: 1.25rem; }
.login-field label {
  display: block; font-size: 0.8rem; font-weight: 700;
  color: var(--slate-600); text-transform: uppercase;
  letter-spacing: 0.05em; margin-bottom: 0.5rem;
}
.login-input-wrap { position: relative; }
.login-input-wrap svg {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--slate-400);
}
.login-input {
  width: 100%; padding: 0.85rem 1rem 0.85rem 2.75rem;
  border: 2px solid var(--slate-200);
  border-radius: 12px; font-size: 0.95rem;
  color: var(--slate-900); background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  letter-spacing: 0.05em; font-weight: 600;
  text-transform: uppercase;
}
.login-input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(5,150,105,.12); }
.login-input.blue:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(29,78,216,.12); }

.login-hint {
  font-size: 0.75rem; color: var(--slate-400); margin-top: 0.4rem;
  display: flex; align-items: center; gap: 0.3rem;
}

/* Botón login */
.login-btn {
  width: 100%; padding: 0.9rem;
  border-radius: 12px; border: none;
  font-size: 0.95rem; font-weight: 700; color: white;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  transition: all 0.2s;
  margin-top: 0.5rem;
}
.login-btn.green { background: linear-gradient(135deg, var(--green), #10b981); }
.login-btn.green:hover { background: linear-gradient(135deg, var(--green-dark), var(--green)); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(5,150,105,.3); }
.login-btn.blue  { background: linear-gradient(135deg, var(--blue), #3b82f6); }
.login-btn.blue:hover  { background: linear-gradient(135deg, var(--blue-dark), var(--blue)); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(29,78,216,.3); }
.login-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }

/* Error */
.login-error {
  background: var(--red-light); color: var(--red);
  border-radius: 10px; padding: 0.75rem 1rem;
  font-size: 0.85rem; font-weight: 600;
  display: none; align-items: center; gap: 0.5rem;
  margin-bottom: 1rem;
}
.login-error.show { display: flex; }

/* Acceso info chips */
.access-chips {
  display: flex; flex-direction: column; gap: 0.4rem;
  margin-top: 1.25rem; padding-top: 1.25rem;
  border-top: 1px solid var(--slate-100);
}
.access-chip {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.78rem; color: var(--slate-600);
}
.access-chip svg { width: 14px; height: 14px; flex-shrink: 0; }

.login-footer {
  text-align: center; padding: 1rem 2rem 1.5rem;
  font-size: 0.75rem; color: var(--slate-400);
}

/* ══════════════════════════════════════════════════════
   DASHBOARD — LAYOUT BASE
══════════════════════════════════════════════════════ */
.portal-header {
  position: sticky; top: 0; z-index: 100;
  padding: 0 1.5rem;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.portal-header.green { background: rgba(5,150,105,.92); }
.portal-header.blue  { background: rgba(29,78,216,.92); }

.header-brand { display: flex; align-items: center; gap: 0.75rem; color: white; }
.header-badge {
  background: rgba(255,255,255,0.2);
  border-radius: 8px; padding: 0.3rem 0.65rem;
  font-size: 0.72rem; font-weight: 800; color: white;
  letter-spacing: 0.04em;
}
.header-name { font-size: 0.92rem; font-weight: 700; color: white; }
.header-group { font-size: 0.75rem; color: rgba(255,255,255,0.75); }

.header-user { display: flex; align-items: center; gap: 0.75rem; }
.header-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 800; color: white;
}

.btn-logout {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.4rem 0.9rem; border-radius: 8px;
  background: rgba(255,255,255,0.15);
  color: white; font-size: 0.8rem; font-weight: 600;
  border: 1px solid rgba(255,255,255,0.25);
  transition: background 0.2s;
}
.btn-logout:hover { background: rgba(255,255,255,0.25); }
.btn-logout svg { width: 14px; height: 14px; }

/* Contenido principal */
.portal-main {
  max-width: 860px; margin: 0 auto;
  padding: 1.75rem 1.25rem 4rem;
}

/* ── BANNER DE FECHAS ──────────────────────────────── */
.dates-banner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.date-chip {
  border-radius: 14px; padding: 1rem 1.1rem;
  display: flex; flex-direction: column; gap: 0.3rem;
}
.date-chip.captura   { background: var(--amber-light); border: 1px solid #fde68a; }
.date-chip.aclaracion{ background: var(--blue-light);  border: 1px solid #bfdbfe; }
.date-chip.cierre    { background: var(--green-light); border: 1px solid #a7f3d0; }

.date-chip-icon { display: flex; align-items: center; gap: 0.4rem; margin-bottom: 0.15rem; }
.date-chip-icon svg { width: 14px; height: 14px; }
.date-chip.captura    .date-chip-icon { color: var(--amber); }
.date-chip.aclaracion .date-chip-icon { color: var(--blue);  }
.date-chip.cierre     .date-chip-icon { color: var(--green); }

.date-chip-label { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.date-chip.captura    .date-chip-label { color: #92400e; }
.date-chip.aclaracion .date-chip-label { color: #1e40af; }
.date-chip.cierre     .date-chip-label { color: #065f46; }

.date-chip-value { font-size: 0.82rem; font-weight: 700; color: var(--slate-800); line-height: 1.3; }
.date-chip-value.empty { color: var(--slate-400); font-weight: 400; font-style: italic; }

/* ── SECCIÓN TÍTULO ────────────────────────────────── */
.section-header {
  display: flex; align-items: center; gap: 0.6rem;
  margin-bottom: 1rem;
}
.section-header-icon {
  width: 34px; height: 34px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.section-header-icon svg { width: 18px; height: 18px; }
.section-title { font-size: 1rem; font-weight: 800; color: var(--slate-900); }
.section-sub   { font-size: 0.78rem; color: var(--slate-400); font-weight: 400; }

/* ── TARJETAS DE CALIFICACIÓN ──────────────────────── */
.grades-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.grade-card {
  background: var(--white); border-radius: 16px;
  padding: 1.4rem 1rem;
  box-shadow: var(--shadow-sm); border: 1px solid var(--slate-200);
  display: flex; flex-direction: column; align-items: center;
  gap: 0.5rem; text-align: center;
  transition: box-shadow 0.2s;
}
.grade-card:not(.locked):hover { box-shadow: var(--shadow); }

.grade-card-label {
  font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--slate-400);
}

.grade-number {
  font-family: var(--font-head); font-size: 3rem; font-weight: 800;
  line-height: 1; transition: color 0.3s;
}
.grade-number.excellent { color: var(--green); }
.grade-number.warning   { color: var(--amber); }
.grade-number.fail      { color: var(--red);   }
.grade-number.locked    { color: var(--slate-200); }

.grade-of { font-size: 0.72rem; color: var(--slate-400); }

.grade-status {
  font-size: 0.72rem; font-weight: 700; padding: 3px 10px;
  border-radius: 999px;
}
.grade-status.aprobado   { background: var(--green-light); color: #065f46; }
.grade-status.riesgo     { background: var(--amber-light); color: #92400e; }
.grade-status.reprobado  { background: var(--red-light);   color: #991b1b; }
.grade-status.pendiente  { background: var(--slate-100);   color: var(--slate-400); }

.grade-card.locked {
  background: var(--slate-50);
  border-style: dashed;
}
.locked-msg {
  font-size: 0.75rem; color: var(--slate-400);
  display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
}
.locked-msg svg { width: 28px; height: 28px; color: var(--slate-200); }

/* ══════════════════════════════════════════════════════
   CUESTIONARIO / ENCUESTA
══════════════════════════════════════════════════════ */
.survey-card {
  background: var(--white); border-radius: 20px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--slate-200);
  overflow: hidden; margin-bottom: 1.75rem;
}

/* Estado ya enviado */
.survey-done {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 1rem; padding: 3rem 2rem;
  text-align: center;
}
.survey-done-icon {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--green-light);
  display: flex; align-items: center; justify-content: center;
}
.survey-done-icon svg { width: 36px; height: 36px; color: var(--green); }
.survey-done h3 { font-size: 1.2rem; font-weight: 800; color: var(--slate-900); }
.survey-done p  { font-size: 0.88rem; color: var(--slate-400); max-width: 320px; }

/* Cabecera del cuestionario */
.survey-head {
  padding: 1.5rem 1.75rem 1rem;
  border-bottom: 1px solid var(--slate-100);
}
.survey-head h3 { font-size: 1rem; font-weight: 800; color: var(--slate-900); margin-bottom: 0.2rem; }
.survey-head p  { font-size: 0.8rem; color: var(--slate-400); }

/* Barra de progreso del wizard */
.survey-progress { padding: 1rem 1.75rem 0; }
.progress-steps {
  display: flex; gap: 0.4rem; align-items: center; margin-bottom: 0.5rem;
}
.progress-step {
  height: 4px; flex: 1; border-radius: 999px;
  background: var(--slate-200); transition: background 0.3s;
}
.progress-step.done  { background: var(--green); }
.progress-step.active { background: var(--blue); }
.progress-label { font-size: 0.75rem; color: var(--slate-400); font-weight: 600; }
.progress-label span { color: var(--slate-900); }

/* Sección del wizard */
.survey-step {
  padding: 1.5rem 1.75rem;
  display: none;
}
.survey-step.active { display: block; }

.step-title {
  font-size: 0.78rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.step-title svg { width: 16px; height: 16px; }

/* Pregunta */
.survey-question { margin-bottom: 1.75rem; }
.survey-question:last-child { margin-bottom: 0; }

.q-text {
  font-size: 0.9rem; font-weight: 600; color: var(--slate-800);
  margin-bottom: 0.85rem; line-height: 1.5;
}
.q-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 6px;
  font-size: 0.7rem; font-weight: 800;
  margin-right: 0.4rem; flex-shrink: 0;
  vertical-align: middle;
}

/* Escala Likert */
.likert-scale {
  display: flex; gap: 0.4rem;
}
.likert-scale.vertical { flex-direction: column; }

.likert-btn {
  flex: 1; padding: 0.65rem 0.25rem;
  border-radius: 10px;
  border: 2px solid var(--slate-200);
  background: var(--slate-50);
  font-size: 1rem; font-weight: 800;
  color: var(--slate-400);
  transition: all 0.15s;
  display: flex; flex-direction: column;
  align-items: center; gap: 0.2rem;
}
.likert-btn small {
  font-size: 0.58rem; font-weight: 600;
  text-align: center; line-height: 1.2; color: var(--slate-400);
}
.likert-btn:hover { border-color: var(--slate-400); background: var(--white); }

.likert-btn.sel-1 { border-color: #dc2626; background: #fee2e2; color: #dc2626; }
.likert-btn.sel-2 { border-color: #f97316; background: #ffedd5; color: #f97316; }
.likert-btn.sel-3 { border-color: #eab308; background: #fef9c3; color: #ca8a04; }
.likert-btn.sel-4 { border-color: #22c55e; background: #dcfce7; color: #16a34a; }
.likert-btn.sel-5 { border-color: #059669; background: #d1fae5; color: #047857; }
.likert-btn.sel-1 small, .likert-btn.sel-2 small, .likert-btn.sel-3 small,
.likert-btn.sel-4 small, .likert-btn.sel-5 small { color: inherit; }

.likert-labels {
  display: flex; justify-content: space-between;
  padding: 0 2px; margin-top: 0.3rem;
  font-size: 0.67rem; color: var(--slate-400); font-weight: 600;
}

/* Calificación general (1-10) */
.rating-grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 0.4rem;
}
.rating-btn {
  padding: 0.75rem 0.25rem;
  border-radius: 10px; border: 2px solid var(--slate-200);
  background: var(--slate-50); font-size: 1.1rem; font-weight: 800;
  color: var(--slate-400); transition: all 0.15s;
}
.rating-btn:hover { border-color: var(--blue); background: var(--white); color: var(--blue); }
.rating-btn.selected {
  border-color: var(--blue); background: var(--blue-light);
  color: var(--blue); box-shadow: 0 2px 8px rgba(29,78,216,.2);
}

/* Textarea */
.survey-textarea {
  width: 100%; border: 2px solid var(--slate-200);
  border-radius: 12px; padding: 0.85rem 1rem;
  font-size: 0.88rem; color: var(--slate-800);
  resize: vertical; min-height: 90px;
  transition: border-color 0.2s;
  line-height: 1.6;
}
.survey-textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(29,78,216,.1); }

/* Botones de navegación del wizard */
.survey-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.75rem;
  border-top: 1px solid var(--slate-100);
  gap: 0.75rem;
}
.btn-back, .btn-next, .btn-send {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.5rem; border-radius: 10px;
  font-size: 0.88rem; font-weight: 700; border: none;
  transition: all 0.2s;
}
.btn-back {
  background: var(--slate-100); color: var(--slate-600);
}
.btn-back:hover { background: var(--slate-200); }
.btn-back:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-next, .btn-send {
  background: var(--blue); color: white;
  box-shadow: 0 4px 14px rgba(29,78,216,.3);
}
.btn-next:hover, .btn-send:hover {
  background: var(--blue-dark); transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(29,78,216,.35);
}
.btn-send { background: linear-gradient(135deg, var(--green), #10b981); }
.btn-send:hover { background: linear-gradient(135deg, var(--green-dark), var(--green)); box-shadow: 0 6px 20px rgba(5,150,105,.35); }
.btn-send:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-send svg, .btn-next svg, .btn-back svg { width: 16px; height: 16px; }

/* Validación visual */
.q-required { font-size: 0.72rem; color: var(--red); display: none; margin-top: 0.3rem; }
.q-required.show { display: block; }

/* ══════════════════════════════════════════════════════
   LOADING OVERLAY
══════════════════════════════════════════════════════ */
.loading-overlay {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(15,23,42,.65);
  backdrop-filter: blur(4px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1rem;
}
.loading-overlay.hidden { display: none; }
.spinner-ring {
  width: 48px; height: 48px;
  border: 4px solid rgba(255,255,255,.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}
.loading-text { color: white; font-size: 0.9rem; font-weight: 600; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════════════════
   INFORMACIÓN COMPLEMENTARIA
══════════════════════════════════════════════════════ */
.info-card {
  background: var(--white); border-radius: 16px;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm); border: 1px solid var(--slate-200);
  margin-bottom: 1rem;
  display: flex; align-items: flex-start; gap: 1rem;
}
.info-card-icon {
  width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.info-card-icon svg { width: 20px; height: 20px; }
.info-card-body h4 { font-size: 0.88rem; font-weight: 700; color: var(--slate-900); margin-bottom: 0.2rem; }
.info-card-body p  { font-size: 0.8rem; color: var(--slate-400); line-height: 1.5; }

/* Mensaje de advertencia inline */
.inline-warn {
  background: var(--amber-light); border: 1px solid #fde68a;
  border-radius: 10px; padding: 0.75rem 1rem;
  font-size: 0.82rem; color: #92400e; font-weight: 600;
  display: flex; align-items: center; gap: 0.5rem;
  margin-bottom: 1rem;
}
.inline-warn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ══════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .portal-main { padding: 1rem 0.75rem 3rem; }

  .dates-banner { grid-template-columns: 1fr; gap: 0.5rem; }

  .grades-grid { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
  .grade-number { font-size: 2.2rem; }
  .grade-card { padding: 1rem 0.5rem; }

  .survey-head   { padding: 1.25rem; }
  .survey-step   { padding: 1.25rem; }
  .survey-nav    { padding: 1rem 1.25rem; }
  .survey-progress { padding: 0.75rem 1.25rem 0; }

  .likert-btn { font-size: 0.9rem; padding: 0.55rem 0.2rem; }
  .likert-btn small { display: none; }

  .rating-grid { grid-template-columns: repeat(5, 1fr); }

  .header-name { display: none; }
  .btn-logout span { display: none; }

  .info-card { flex-direction: column; gap: 0.5rem; }
}

@media (max-width: 380px) {
  .likert-scale { gap: 0.25rem; }
  .grades-grid { gap: 0.4rem; }
}