/* Estilos base, pensados primero para celular y luego para pantallas grandes. */

:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #5f6878;
  --accent: #2563eb;
  --border: #dde1e7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--accent);
  /* env(safe-area-inset-*): espacio del "notch" o la barra del sistema en celulares */
  padding: max(0.75rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
           0.75rem max(1rem, env(safe-area-inset-left));
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  align-items: center; justify-content: space-between;
}
.topbar .brand { color: #fff; font-weight: 600; text-decoration: none; }
.topbar .session { display: flex; align-items: center; gap: 0.75rem; color: #fff; }
.topbar .session small { opacity: 0.8; }
.topbar .session a { color: #fff; text-decoration: none; }
.topbar .session a:hover { text-decoration: underline; }
.topbar .session button {
  background: transparent; color: #fff; border: 1px solid #fff8;
  border-radius: 0.5rem; padding: 0.3rem 0.75rem; font: inherit; cursor: pointer;
}

.login-card {
  max-width: 22rem; margin: 2rem auto; padding: 1.5rem;
  background: var(--card); border: 1px solid var(--border); border-radius: 0.75rem;
  display: grid; gap: 0.5rem;
}
.login-card h1 { margin: 0 0 0.5rem; }
.login-card input {
  padding: 0.6rem; border: 1px solid var(--border); border-radius: 0.5rem; font: inherit;
}
.login-card button {
  margin-top: 0.75rem; padding: 0.7rem; border: 0; border-radius: 0.5rem;
  background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer;
}
.error { color: #b00020; margin: 0; }

main {
  max-width: 48rem; margin: 0 auto;
  padding: 1rem max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom))
           max(1rem, env(safe-area-inset-left));
}

h1 { margin: 0.5rem 0 0; }
.day-label { margin: 0.25rem 0 1rem; color: var(--muted); }
.day-label::first-letter { text-transform: uppercase; }
.badge {
  background: var(--accent); color: #fff; border-radius: 1rem;
  padding: 0.1rem 0.5rem; font-size: 0.8rem; text-transform: none;
}

.day-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-bottom: 1rem; }
.day-nav a, .day-nav button {
  padding: 0.5rem 0.75rem; border: 1px solid var(--border); border-radius: 0.5rem;
  background: var(--card); color: var(--text); text-decoration: none; font: inherit;
}
.day-nav form { display: flex; gap: 0.5rem; }
.day-nav select { padding: 0.45rem; border: 1px solid var(--border); border-radius: 0.5rem; font: inherit; background: var(--card); max-width: 100%; }
.day-nav input { padding: 0.45rem; border: 1px solid var(--border); border-radius: 0.5rem; font: inherit; }

.schedule { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.75rem; }
.class-card {
  display: flex; gap: 1rem; background: var(--card);
  border: 1px solid var(--border); border-radius: 0.75rem; padding: 0.75rem 1rem;
}
.class-card .time { font-weight: 600; white-space: nowrap; min-width: 6.5rem; }
.class-card .code { font-weight: 600; }
.class-card small, .class-card .meta { color: var(--muted); }
.class-card .meta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 0.25rem; }

.class-card .warning {
  margin-top: 0.5rem; padding: 0.25rem 0.5rem; border-radius: 0.5rem;
  background: #fff4d6; color: #7a4b00; font-size: 0.9rem;
}

.class-card .details { flex: 1; min-width: 0; }
.card-head { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; justify-content: space-between; }

/* Estado de asistencia: verde / amarillo / rojo / gris */
:root {
  --present: #16a34a; --present-bg: #dcfce7;
  --late: #b45309;    --late-bg: #fef3c7;
  --absent: #dc2626;  --absent-bg: #fee2e2;
}
.status {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.15rem 0.6rem; border-radius: 1rem; font-size: 0.85rem; font-weight: 600;
  background: #eef0f3; color: var(--muted);
}
.status::before { content: ""; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: currentColor; }
.status-present { background: var(--present-bg); color: var(--present); }
.status-late    { background: var(--late-bg);    color: var(--late); }
.status-absent  { background: var(--absent-bg);  color: var(--absent); }

.att-info { margin-top: 0.5rem; color: var(--muted); }
.att-info .note { font-style: italic; }

.att-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; margin-top: 0.75rem; }
.att-actions button {
  padding: 0.7rem 0.25rem; border-radius: 0.5rem; font: inherit; font-weight: 600;
  cursor: pointer; background: var(--card); border: 2px solid;
}
.btn-present { color: var(--present); border-color: var(--present); }
.btn-late    { color: var(--late);    border-color: var(--late); }
.btn-absent  { color: var(--absent);  border-color: var(--absent); }
.btn-present.is-current { background: var(--present); color: #fff; }
.btn-late.is-current    { background: var(--late);    color: #fff; }
.btn-absent.is-current  { background: var(--absent);  color: #fff; }

.att-secondary { display: flex; gap: 1rem; margin-top: 0.5rem; }
button.link {
  background: none; border: 0; padding: 0.25rem 0; font: inherit;
  color: var(--accent); cursor: pointer; text-decoration: underline;
}

.att-form { display: grid; gap: 0.75rem; margin-top: 0.75rem; }
.att-form label { display: grid; gap: 0.25rem; }
/* minmax(0, 1fr): una lista desplegable con textos largos se ajusta al ancho de
   la pantalla en vez de estirar el formulario hacia afuera. */
.att-form, .att-form label { grid-template-columns: minmax(0, 1fr); }
.att-form input[type=number], .att-form textarea {
  padding: 0.5rem; border: 1px solid var(--border); border-radius: 0.5rem; font: inherit;
}
.att-form input[type=number] { max-width: 8rem; }
.status-choice { display: flex; flex-wrap: wrap; gap: 0.5rem; border: 0; padding: 0; margin: 0; }
.status-choice legend { padding: 0; margin-bottom: 0.25rem; }
.status-choice label {
  display: flex; align-items: center; gap: 0.35rem;
  padding: 0.5rem 0.75rem; border: 1px solid var(--border); border-radius: 0.5rem;
}
/* Los minutos solo aparecen cuando se elige "Tarde" */
.att-form .minutes { display: none; }
.att-form:has(input[value=late]:checked) .minutes { display: grid; }
.form-buttons { display: flex; gap: 0.5rem; }
.form-buttons button {
  padding: 0.6rem 1rem; border-radius: 0.5rem; font: inherit; cursor: pointer;
  border: 1px solid var(--border); background: var(--card);
}
.form-buttons .btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }

.muted { color: var(--muted); }
.att-form select {
  padding: 0.5rem; border: 1px solid var(--border); border-radius: 0.5rem;
  font: inherit; background: var(--card); max-width: 100%;
}
.att-form small { color: var(--muted); }

.topbar .main-nav { display: flex; gap: 1rem; margin-right: auto; margin-left: 1rem; }
.topbar .main-nav a { color: #fff; text-decoration: none; opacity: 0.9; white-space: nowrap; }
.topbar .main-nav a:hover { opacity: 1; text-decoration: underline; }
.topbar .main-nav a[aria-current] { opacity: 1; font-weight: 600; text-decoration: underline; text-underline-offset: 0.3em; }

.panel {
  background: var(--card); border: 1px solid var(--border); border-radius: 0.75rem;
  padding: 1rem; margin-bottom: 1.5rem;
}
.panel h2 { margin: 0; font-size: 1.1rem; }
.date-range { display: flex; flex-wrap: wrap; gap: 1rem; }
.date-range input {
  padding: 0.45rem; border: 1px solid var(--border); border-radius: 0.5rem; font: inherit;
}

.warning-text { color: var(--late); font-weight: 600; }
a.link { color: var(--accent); padding: 0.25rem 0; }
.att-secondary { align-items: center; flex-wrap: wrap; }
.form-buttons .button-link {
  padding: 0.6rem 1rem; border-radius: 0.5rem; border: 1px solid var(--border);
  background: var(--card); color: var(--text); text-decoration: none;
}

.locked, .notice { color: var(--muted); }
.notice {
  background: #eef2ff; border-radius: 0.5rem; padding: 0.5rem 0.75rem; margin: 0 0 1rem;
}

/* En celulares angostos, la hora va arriba de los detalles */
@media (max-width: 30rem) {
  .class-card { flex-direction: column; gap: 0.25rem; }
}

.empty { color: var(--muted); padding: 2rem 0; text-align: center; }

/* Catálogos: pestañas y campos de texto */
.tabs { display: flex; flex-wrap: wrap; gap: 0.25rem; margin: 0.75rem 0 1rem; }
.tabs a {
  padding: 0.4rem 0.75rem; border-radius: 0.5rem; text-decoration: none;
  color: var(--text); border: 1px solid var(--border); background: var(--card);
}
.tabs a.current { background: var(--accent); border-color: var(--accent); color: #fff; }
.att-form input:not([type]), .att-form input[type=text], .att-form input[type=date],
.att-form input[type=time], .att-form input[type=password] {
  padding: 0.5rem; border: 1px solid var(--border); border-radius: 0.5rem; font: inherit;
}
.att-form label.check { display: flex; align-items: center; gap: 0.5rem; }
.class-card.inactive { opacity: 0.6; }

a.button-link {
  display: inline-block; padding: 0.5rem 0.9rem; border-radius: 0.5rem; text-decoration: none;
  background: var(--accent); color: #fff; font-weight: 600;
}
p.warning {
  padding: 0.25rem 0.5rem; border-radius: 0.5rem; background: #fff4d6; color: #7a4b00;
  font-size: 0.9rem; margin: 0 0 0.75rem;
}

/* Nómina: páginas anchas con tablas (en el celular la tabla se desliza de lado) */
main.wide { max-width: 72rem; }
.table-wrap { overflow-x: auto; margin-top: 0.75rem; }
table.report { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
table.report th, table.report td {
  border-bottom: 1px solid var(--border); padding: 0.35rem 0.5rem; text-align: left; vertical-align: top;
}
table.report th { background: var(--bg, #f5f5f5); font-weight: 600; }
table.report .num { text-align: right; white-space: nowrap; }
table.report .nowrap { white-space: nowrap; }
table.report tr.tardanza td, table.report tr.ajuste td { background: #fffaf0; }
.tag { font-size: 0.75rem; color: #7a4b00; background: #fff4d6; padding: 0 0.3rem; border-radius: 0.25rem; }
.report-teacher h3 { margin: 1rem 0 0; font-size: 1rem; }

/* Al imprimir un reporte (o guardarlo como PDF): solo el contenido */
@media print {
  .topbar, .no-print { display: none !important; }
  body { background: #fff; }
  main.wide { max-width: none; padding: 0; }
  .panel { border: 0; padding: 0; }
  .table-wrap { overflow: visible; }
  table.report { font-size: 0.8rem; }
  table.report tr { break-inside: avoid; }
  .report-part { break-before: page; }
}

/* Turnos: dos botones en planning (sin tardanza), "marcar todos" y formularios plegables */
.att-actions.two { grid-template-columns: repeat(2, 1fr); }
.shift-group .card-head h2 { margin: 0; }
.shift-group .schedule { margin-top: 0.75rem; }
.btn-all-present {
  width: 100%; padding: 0.7rem; border-radius: 0.5rem; font: inherit; font-weight: 600;
  cursor: pointer; background: var(--present-bg); color: var(--present);
  border: 2px solid var(--present);
}
details > summary { cursor: pointer; padding: 0.25rem 0; }
summary.link { color: var(--accent); text-decoration: underline; }
details[open] { flex-basis: 100%; }

/* ---------- Celular ---------- */

/* Pantallas angostas: arriba la marca y la sesión; abajo el menú en una sola fila
   que se desliza de lado si no cabe (antes se salía de la pantalla). */
@media (max-width: 48rem) {
  .topbar { row-gap: 0.25rem; }
  .topbar .session { margin-left: auto; min-width: 0; }
  .topbar .session a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .topbar .main-nav {
    order: 3; flex-basis: 100%; margin: 0;
    overflow-x: auto; scrollbar-width: none;
    padding: 0.25rem 0; gap: 0.25rem;
  }
  .topbar .main-nav a { padding: 0.4rem 0.6rem; border-radius: 0.5rem; }
  .topbar .main-nav a[aria-current] { background: #ffffff26; text-decoration: none; }
}
@media (max-width: 30rem) {
  .topbar .session small { display: none; }
}

/* Pantallas táctiles: los enlaces y botones chicos se vuelven más fáciles de tocar. */
@media (pointer: coarse) {
  button.link, a.link { display: inline-block; padding: 0.6rem 0; }
  .att-secondary { column-gap: 1.25rem; row-gap: 0; }
  .att-actions button { padding: 0.9rem 0.25rem; }
  .tabs a { padding: 0.55rem 0.8rem; }
}

/* Al tocar algo en el celular no se marca un recuadro azul encima. */
a, button { -webkit-tap-highlight-color: transparent; }