/* ============================================================
   ZigZag Talleres 2.0 — Sistema de diseño
   Principios: contraste alto, texto grande, botones grandes y
   claros, poca densidad de información por pantalla, feedback
   visual inmediato. Pensado para usuarios con poca experiencia
   en tecnología.
   ============================================================ */

:root {
  /* Paleta corporativa ZigZag (extraída del logo) */
  --color-marca-teal: #678E8A;    /* teal del logotipo */
  --color-marca-verde: #679473;   /* verde del logotipo */
  --color-marca-naranja: #D06547; /* naranja/terracota del logotipo */
  --color-marca-amarillo: #E7AB39;/* amarillo/dorado del logotipo */

  --color-primario: #3F5F5C;         /* teal oscurecido, buen contraste para botones/texto */
  --color-primario-oscuro: #2C4644;
  --color-secundario: #D06547;       /* naranja de marca, para acentos y "hoy" */
  --color-secundario-solido: #B14E34;/* naranja oscurecido, para botones sólidos con texto blanco */
  --color-exito: #4F7A5B;
  --color-exito-claro: #679473;
  --color-error: #C0392B;
  --color-amarillo: #E7AB39;
  --color-fondo: #F6F5F1;
  --color-tarjeta: #FFFFFF;
  --color-texto: #23282B;
  --color-texto-suave: #565D61;
  --color-borde: #DADFE2;
  --radio: 16px;
  --sombra: 0 2px 10px rgba(30, 40, 50, 0.08);
  --sombra-hover: 0 6px 20px rgba(30, 40, 50, 0.14);
  --fuente: "Atkinson Hyperlegible", "Segoe UI", Verdana, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { font-size: 18px; } /* base grande para lectura cómoda */

body {
  margin: 0;
  font-family: var(--fuente);
  background: var(--color-fondo);
  color: var(--color-texto);
  line-height: 1.5;
}

h1, h2, h3 { line-height: 1.25; margin: 0 0 .6em; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }

a { color: var(--color-primario); }

.container { max-width: 900px; margin: 0 auto; padding: 24px 18px 80px; }
.container-ancho { max-width: 1200px; margin: 0 auto; padding: 24px 18px 80px; }

/* --- Barra superior --- */
.topbar {
  background: var(--color-tarjeta);
  border-bottom: 1px solid var(--color-borde);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.topbar img.logo { height: 48px; object-fit: contain; }
.topbar .bienvenida { font-size: 1.15rem; font-weight: 600; }

/* --- Tarjetas --- */
.tarjeta {
  background: var(--color-tarjeta);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 24px;
  margin-bottom: 20px;
}

/* --- Botones grandes y claros --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: 12px;
  border: 2px solid transparent;
  cursor: pointer;
  min-height: 52px;
  transition: transform .08s ease, box-shadow .15s ease, background .15s ease;
  text-decoration: none;
}
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 3px solid #0B5FFF; outline-offset: 2px; }

.btn-primario { background: var(--color-primario); color: #fff; }
.btn-primario:hover { background: var(--color-primario-oscuro); box-shadow: var(--sombra-hover); }

.btn-secundario { background: #fff; color: var(--color-primario); border-color: var(--color-primario); }
.btn-secundario:hover { background: #EFF5F8; }

.btn-exito { background: var(--color-exito); color: #fff; }
.btn-error { background: var(--color-error); color: #fff; }
.btn-grande { font-size: 1.2rem; padding: 18px 32px; min-height: 60px; width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* --- Formularios --- */
label { display: block; font-weight: 600; margin-bottom: 6px; }
input[type="text"], input[type="password"], input[type="tel"], input[type="date"],
input[type="number"], input[type="email"], select, textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1.05rem;
  padding: 13px 14px;
  border-radius: 10px;
  border: 2px solid var(--color-borde);
  background: #fff;
  margin-bottom: 18px;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primario);
}

/* --- Alertas / mensajes --- */
.alerta { padding: 16px 18px; border-radius: 12px; margin-bottom: 18px; font-weight: 600; }
.alerta-error { background: #FBE7E3; color: var(--color-error); border: 2px solid #F1B7AA; }
.alerta-exito { background: #E4F3EA; color: var(--color-exito); border: 2px solid #A9D9BE; }
.alerta-info { background: #E7F0F5; color: var(--color-primario-oscuro); border: 2px solid #BBD4E1; }
.alerta-warning { background: #FCF1DD; color: #8A5A00; border: 2px solid #EFCE8E; }

/* --- Badges de estado --- */
.badge { display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: .85rem; font-weight: 700; }
.badge-verde { background: #E4F3EA; color: var(--color-exito); }
.badge-rojo { background: #FBE7E3; color: var(--color-error); }
.badge-naranja { background: #FCF1DD; color: #8A5A00; }
.badge-gris { background: #EEF0F1; color: var(--color-texto-suave); }

/* --- Login --- */
.pantalla-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.caja-login { max-width: 440px; width: 100%; }
.caja-login img.logo { display: block; margin: 0 auto 24px; max-height: 90px; }

/* --- Listado de clases (tarjetas grandes en vez de tabla densa) --- */
.clase-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 18px;
  border: 2px solid var(--color-borde);
  border-radius: 14px;
  margin-bottom: 14px;
}
.clase-card .info h3 { margin-bottom: 4px; }
.clase-card .info p { margin: 2px 0; color: var(--color-texto-suave); }
.clase-card .aforo { font-weight: 700; }

/* --- Grid de talleres para apuntarse --- */
.grid-talleres {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

/* --- Navegación admin --- */
.admin-layout { display: flex; min-height: 100vh; }
.admin-menu {
  width: 240px;
  background: var(--color-primario-oscuro);
  color: #fff;
  flex-shrink: 0;
  padding: 20px 0;
}
.admin-logo-box {
  background: #fff;
  border-radius: 12px;
  padding: 10px 16px;
  margin: 0 20px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.admin-logo-box img { max-height: 34px; width: auto; display: block; }
.admin-menu a {
  display: block;
  color: #DCE9F0;
  text-decoration: none;
  padding: 13px 24px;
  font-weight: 600;
  border-left: 4px solid transparent;
}
.admin-menu a:hover, .admin-menu a.activo {
  background: rgba(255,255,255,.08);
  border-left-color: var(--color-secundario);
  color: #fff;
}
.admin-contenido { flex: 1; padding: 30px; max-width: 1200px; }

table.tabla-admin { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; }
table.tabla-admin th, table.tabla-admin td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--color-borde); }
table.tabla-admin th { background: #F0F3F4; font-size: .95rem; }
table.tabla-admin tr:last-child td { border-bottom: none; }

.acciones-fila { display: flex; gap: 8px; flex-wrap: wrap; }
.acciones-fila .btn { padding: 8px 14px; min-height: auto; font-size: .9rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; }
  .admin-layout { flex-direction: column; }
  .admin-menu { width: 100%; display: flex; overflow-x: auto; padding: 8px; }
  .admin-menu a { padding: 10px 16px; white-space: nowrap; border-left: none; border-bottom: 4px solid transparent; }
  .admin-menu a.activo { border-left: none; border-bottom-color: var(--color-secundario); }
}

.texto-suave { color: var(--color-texto-suave); }
.mt-0{margin-top:0} .mb-0{margin-bottom:0}
.flex { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.flex-entre { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }

/* Overlay modal simple accesible */
.overlay {
  position: fixed; inset: 0; background: rgba(20,25,30,.55);
  display: none; align-items: center; justify-content: center; padding: 16px; z-index: 999;
}
.overlay.abierto { display: flex; }
.modal-caja {
  background: #fff; border-radius: var(--radio); padding: 26px; max-width: 480px; width: 100%;
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
.modal-caja h2 { margin-top: 0; }
.modal-cerrar { float: right; background: none; border: none; font-size: 1.6rem; cursor: pointer; color: var(--color-texto-suave); line-height: 1; }

.skip-link {
  position: absolute; left: -9999px; top: auto;
  background: #fff; padding: 10px 16px; z-index: 1000;
}
.skip-link:focus { left: 10px; top: 10px; }

/* ============================================================
   Calendario grande (pantalla principal)
   ============================================================ */
.calendario-cabecera {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}
.calendario-cabecera h2 { text-transform: capitalize; margin: 0; font-size: 1.4rem; }

.calendario-dias-semana {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 6px;
  text-align: center;
  font-weight: 700;
  color: var(--color-texto-suave);
  font-size: .85rem;
}

.calendario-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.dia-celda {
  min-height: 120px;
  background: #fff;
  border: 2px solid var(--color-borde);
  border-radius: 12px;
  padding: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 4px;
  font-family: inherit;
  text-align: left;
  transition: box-shadow .15s ease, border-color .15s ease;
  position: relative;
}
.dia-celda:hover, .dia-celda:focus-visible { border-color: var(--color-primario); box-shadow: var(--sombra-hover); outline: none; }
.dia-celda.fuera-de-mes { opacity: .35; cursor: default; min-height: 60px; }
.dia-celda.fuera-de-mes:hover { box-shadow: none; border-color: var(--color-borde); }
.dia-celda.es-hoy { border-color: var(--color-secundario); border-width: 3px; }
.dia-celda.tengo-clase { border-color: var(--color-exito-claro); }
.dia-celda:disabled, .dia-celda.dia-no-interactivo {
  cursor: not-allowed;
  background: #F4F5F3;
  color: var(--color-texto-suave);
}
.dia-celda:disabled:hover { box-shadow: none; border-color: var(--color-borde); }

.dia-celda .cabecera-dia {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.dia-celda .numero-dia { font-weight: 700; font-size: 1rem; }
.dia-celda.es-hoy .numero-dia { color: var(--color-secundario); }

.dia-celda .contador-dia {
  background: var(--color-primario);
  color: #fff;
  border-radius: 999px;
  min-width: 20px;
  height: 20px;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  font-weight: 700;
  padding: 0 6px;
  flex-shrink: 0;
}

.dia-celda .lista-mini {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 100%;
  overflow: hidden;
}
.dia-celda .lista-mini-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: .74rem;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--color-primario-oscuro);
}
.dia-celda .lista-mini-item .punto-lista { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dia-celda .lista-mini-item .nombre-mini { overflow: hidden; text-overflow: ellipsis; }
.dia-celda .lista-mini-item .hora-mini { font-weight: 700; flex-shrink: 0; }
.dia-celda .lista-mini-mas { font-size: .72rem; color: var(--color-texto-suave); font-weight: 700; padding-left: 13px; }

@media (max-width: 640px) {
  .dia-celda { min-height: 74px; padding: 5px; }
  .dia-celda .numero-dia { font-size: .85rem; }
  .dia-celda .lista-mini-item { font-size: .64rem; }
  .dia-celda .lista-mini-item .hora-mini { display: none; } /* en móvil no cabe: mostramos solo el nombre */
  .calendario-dias-semana { font-size: .7rem; }
}

/* Tarjeta de clase dentro del modal del día */
.clase-modal-item {
  border: 2px solid var(--color-borde);
  border-left-width: 6px;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
}
.clase-modal-item h3 { margin: 0 0 4px; font-size: 1.05rem; }
.clase-modal-item p { margin: 2px 0; color: var(--color-texto-suave); }
.clase-modal-item .fila-inscrito {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 0; border-top: 1px solid var(--color-borde);
}
.clase-modal-item .fila-inscrito:first-of-type { border-top: none; margin-top: 8px; }

.spinner-carga { text-align: center; padding: 30px; color: var(--color-texto-suave); }