:root {
  --primario: #1f4e79;
  --primario-suave: #e3edf7;
  --fondo: #f3f5f8;
  --tarjeta: #ffffff;
  --texto: #1b2430;
  --suave: #637083;
  --borde: #dde3ea;
  --ok: #1e7b45;
  --ok-suave: #e1f3e8;
  --aviso: #a35a00;
  --aviso-suave: #fdf0dc;
  --peligro: #b3261e;
  --presencial: #6b3fa0;
  --presencial-suave: #efe7f8;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primario: #7fb2e5;
    --primario-suave: #1c2b3b;
    --fondo: #0f1419;
    --tarjeta: #19212b;
    --texto: #e6ebf1;
    --suave: #9aa7b6;
    --borde: #2a3542;
    --ok: #6fcf97;
    --ok-suave: #16301f;
    --aviso: #f2b05e;
    --aviso-suave: #33260f;
    --peligro: #f28b82;
    --presencial: #c7a6f0;
    --presencial-suave: #2a2038;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
  -webkit-tap-highlight-color: transparent;
}

header#cabecera {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 8px;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: var(--primario); color: #fff;
}
@media (prefers-color-scheme: dark) { header#cabecera { background: #142131; } }
header h1 { font-size: 18px; margin: 0; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#cola { background: rgba(255,255,255,.2); border-radius: 999px; padding: 2px 10px; font-size: 13px; }

main { padding: 12px 16px; max-width: 720px; margin: 0 auto; }

nav#menu {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 5;
  display: flex; background: var(--tarjeta); border-top: 1px solid var(--borde);
  padding-bottom: env(safe-area-inset-bottom);
}
nav#menu a {
  flex: 1; text-align: center; padding: 8px 0 10px; font-size: 12px;
  color: var(--suave); text-decoration: none;
}
nav#menu a span { display: block; font-size: 20px; }
nav#menu a.activo { color: var(--primario); font-weight: 600; }

.tarjeta {
  background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 14px;
  padding: 14px; margin-bottom: 12px;
}
.tarjeta.pulsable { cursor: pointer; }
.tarjeta.pulsable:active { transform: scale(.99); }

.fila { display: flex; align-items: center; gap: 10px; }
.crece { flex: 1; min-width: 0; }
.matricula { font-size: 22px; font-weight: 700; letter-spacing: .5px; }
.secundario { color: var(--suave); font-size: 14px; }
.recorta { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.etiqueta {
  display: inline-block; border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 600;
  background: var(--primario-suave); color: var(--primario);
}
.etiqueta.presencial { background: var(--presencial-suave); color: var(--presencial); }
.etiqueta.ok { background: var(--ok-suave); color: var(--ok); }
.etiqueta.aviso { background: var(--aviso-suave); color: var(--aviso); }
.etiquetas { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

button, .boton {
  font: inherit; border: 0; border-radius: 12px; padding: 12px 16px; cursor: pointer;
  background: var(--primario-suave); color: var(--primario); font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; text-decoration: none;
}
button.principal, .boton.principal { background: var(--primario); color: #fff; }
@media (prefers-color-scheme: dark) { button.principal, .boton.principal { color: #0f1419; } }
button.ok { background: var(--ok); color: #fff; }
button.peligro { background: transparent; color: var(--peligro); }
button.grande { width: 100%; padding: 16px; font-size: 18px; }
button.camara { width: 56px; height: 56px; padding: 0; font-size: 26px; border-radius: 16px; flex: none; }
button:disabled { opacity: .5; }
.botones { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.botones > * { flex: 1; }

.navfecha { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.navfecha h2 { flex: 1; text-align: center; font-size: 17px; margin: 0; text-transform: capitalize; }
.navfecha button { padding: 10px 14px; }

.selector { display: flex; background: var(--fondo); border-radius: 12px; padding: 4px; gap: 4px; }
.selector button { flex: 1; background: transparent; color: var(--suave); padding: 10px; }
.selector button.activo { background: var(--tarjeta); color: var(--texto); box-shadow: 0 1px 3px rgba(0,0,0,.15); }

.rejilla { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 12px; }
.rejilla .miniatura { position: relative; aspect-ratio: 1; border-radius: 8px; overflow: hidden; background: var(--borde); }
.rejilla img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rejilla .pendiente::after {
  content: "⏳"; position: absolute; inset: auto 4px 4px auto; background: rgba(0,0,0,.6);
  border-radius: 6px; padding: 0 4px; font-size: 14px;
}

.vacio { text-align: center; color: var(--suave); padding: 32px 16px; }
.aviso-caja { background: var(--aviso-suave); color: var(--aviso); border-radius: 12px; padding: 12px; margin-bottom: 12px; font-size: 14px; }

label { display: block; font-size: 13px; color: var(--suave); margin: 10px 0 4px; }
input, select, textarea {
  font: inherit; width: 100%; padding: 12px; border-radius: 10px;
  border: 1px solid var(--borde); background: var(--tarjeta); color: var(--texto);
}
textarea { min-height: 140px; }
pre.mensaje { white-space: pre-wrap; font-family: inherit; font-size: 14px; line-height: 1.4; background: var(--fondo); border-radius: 10px; padding: 10px; margin: 10px 0 0; }

#toast {
  position: fixed; left: 16px; right: 16px; bottom: calc(84px + env(safe-area-inset-bottom)); z-index: 30;
  background: #222; color: #fff; padding: 12px 16px; border-radius: 12px; text-align: center;
}

/* Cámara a pantalla completa */
.camara-vista { position: fixed; inset: 0; z-index: 50; background: #000; display: flex; flex-direction: column; }
.camara-vista video { flex: 1; width: 100%; object-fit: cover; min-height: 0; }
.camara-vista .barra-sup {
  position: absolute; top: 0; left: 0; right: 0; padding: calc(12px + env(safe-area-inset-top)) 16px 12px;
  display: flex; justify-content: space-between; align-items: center; color: #fff;
  background: linear-gradient(rgba(0,0,0,.6), transparent); font-weight: 600;
}
.camara-vista .barra-inf {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px calc(20px + env(safe-area-inset-bottom)); background: #000;
}
.disparador { width: 76px; height: 76px; border-radius: 50%; border: 5px solid #fff; background: #fff; padding: 0; box-shadow: inset 0 0 0 3px #000; }
.disparador:active { transform: scale(.92); }
.ultima { width: 56px; height: 56px; border-radius: 10px; background: #333 center/cover; border: 2px solid #fff; }
.camara-vista .listo { background: #fff; color: #000; min-width: 80px; }
.flash { position: fixed; inset: 0; background: #fff; opacity: 0; pointer-events: none; z-index: 60; transition: opacity .15s; }
.flash.on { opacity: .7; transition: none; }

.visor { position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.95); display: flex; flex-direction: column; }
.visor img { flex: 1; object-fit: contain; min-height: 0; width: 100%; }
.visor .botones { padding: 12px 16px calc(16px + env(safe-area-inset-bottom)); margin: 0; }

dialog { border: 0; border-radius: 16px; padding: 16px; width: min(480px, calc(100% - 32px)); background: var(--tarjeta); color: var(--texto); }
dialog::backdrop { background: rgba(0,0,0,.5); }