/* ════════════════════════════════════════════════════════════════════════
   MIS NOTAS · página privada
   ════════════════════════════════════════════════════════════════════════ */

:root {
  --ground: #11141b;
  --surface: #191d26;
  --surface2: #222733;
  --line: #323948;
  --ink: #eef1f7;
  --ink2: #a4adc1;
  --ink3: #7a839a;
  --accent: #84aef2;
  --accent-light: #1c2942;
  --ok: #6fd3a5;
  --ok-light: #13301f;
  --alerta: #e9b066;
  --alerta-light: #35280f;
  --sombra: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 22px -14px rgba(0, 0, 0, 0.6);
}

:root[data-theme="light"] {
  --ground: #f4f5f8;
  --surface: #ffffff;
  --surface2: #eef0f5;
  --line: #d9dde6;
  --ink: #141922;
  --ink2: #586074;
  --ink3: #838b9e;
  --accent: #1d5bb8;
  --accent-light: #e7eefb;
  --ok: #12724a;
  --ok-light: #e2f3ea;
  --alerta: #9a5a06;
  --alerta-light: #fcefd9;
  --sombra: 0 1px 2px rgba(20, 25, 34, 0.05), 0 8px 22px -14px rgba(20, 25, 34, 0.22);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.contenedor {
  max-width: 1000px;
  margin: 0 auto;
  min-height: 100vh;
}

/* ─── pantallas ─── */
.pantalla {
  display: none;
  animation: aparecer 0.3s ease;
}

.pantalla.activa {
  display: block;
}

@keyframes aparecer {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ─── login ───
   «.activa» va en el selector: un #id solo le gana a «.pantalla {display:none}»
   y el login quedaba visible debajo de las notas. */
#pantalla-login.activa {
  display: flex;
}

#pantalla-login {
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  min-height: 100vh;
}

.caja-login {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--sombra);
  width: 100%;
  max-width: 420px;
}

.caja-login h1 {
  margin: 0 0 8px;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.bajada {
  margin: 0 0 30px;
  color: var(--ink2);
  font-size: 0.95rem;
}

.campo {
  margin-bottom: 20px;
}

.campo label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
}

.campo input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
}

.campo input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.btn-entrar {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-entrar:hover {
  background: #1549a0;
}

.btn-entrar:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.aviso {
  margin-top: 16px;
  padding: 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}

.aviso.error {
  display: block;
  background: #fbe7e7;
  color: #b0252b;
  border: 1px solid #e8c0c0;
}

.aviso.exito {
  display: block;
  background: var(--ok-light);
  color: var(--ok);
  border: 1px solid #c4e5dc;
}

/* ─── notas ─── */
.barra-superior {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  gap: 12px;
}

.botones-barra {
  display: flex;
  gap: 8px;
  align-items: center;
}

.info-alumno {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.info-alumno .nombre {
  font-weight: 600;
  color: var(--ink);
}

.info-alumno .codigo {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  color: var(--ink3);
}

.btn-tema {
  width: 36px;
  height: 36px;
  padding: 0;
  background: var(--surface2);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-tema:hover {
  background: var(--line);
}

.btn-salir {
  padding: 8px 16px;
  background: var(--surface2);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-salir:hover {
  background: var(--line);
}

.contenido-notas {
  padding: 30px 20px;
}

.contenido-notas h2 {
  margin: 0 0 24px;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
}

.resumen-carrera {
  margin: -12px 0 24px;
  color: var(--ink2);
}

.notas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* ─── tarjeta de módulo ─── */
.modulo {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--ink3);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--sombra);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modulo.aprobado  { border-top-color: var(--ok); }
.modulo.pendiente { border-top-color: var(--alerta); }
.modulo.curso     { border-top-color: var(--accent); }

.modulo-cab {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.modulo-num {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink3);
}

.modulo-nombre {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
}

.modulo-curso {
  margin: -6px 0 0;
  font-size: .85rem;
  color: var(--ink3);
}

.modulo-total {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.total-num {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}
.modulo.aprobado  .total-num { color: var(--ok); }
.modulo.pendiente .total-num { color: var(--alerta); }
.modulo.curso     .total-num { color: var(--ink2); }

.total-de {
  font-size: 0.95rem;
  color: var(--ink3);
  font-weight: 500;
}

.estado {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.estado.aprobado  { background: var(--ok-light);     color: var(--ok); }
.estado.pendiente { background: var(--alerta-light); color: var(--alerta); }
.estado.curso     { background: var(--accent-light); color: var(--accent); }
.estado.aprobado::before { content: '✓'; font-weight: 800; }

.partes {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
}
.partes dt { color: var(--ink2); }
.partes dd { margin: 0; text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }

.aviso-modulo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px;
  border-radius: 8px;
  background: var(--alerta-light);
  color: var(--alerta);
  font-size: 0.9rem;
}

.nota-curso {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink3);
}

.sin-notas {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink2);
}

.sin-notas p {
  margin: 0;
  font-size: 1.1rem;
}

.pie-notas {
  margin: 28px 0 0;
  font-size: 0.85rem;
  color: var(--ink3);
}

.btn-tema-login {
  position: absolute;
  top: 16px;
  right: 16px;
}

/* ─── responsive ─── */
@media (max-width: 640px) {
  .caja-login {
    padding: 30px 20px;
  }

  .caja-login h1 {
    font-size: 1.5rem;
  }

  .notas-grid {
    grid-template-columns: 1fr;
  }

  .barra-superior {
    flex-direction: column;
    gap: 12px;
    text-align: left;
  }

  .contenido-notas {
    padding: 20px;
  }
}