:root {
  --fondo: #f6f7fb;
  --panel: #ffffff;
  --panel-2: #eef1f7;
  --borde: #e2e6ef;
  --texto: #1a2030;
  --tenue: #6b7386;
  --acento: #6366f1;
  --acento-suave: #eef0ff;
  --alta: #dc2626;
  --ok: #16a34a;
  --trabajo: #2563eb;
  --casa: #d97706;
  --dia: #0891b2;
  --radio: 14px;
  --sombra: 0 6px 20px rgba(20,30,60,.08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fondo: #0b1020;
    --panel: #151b2e;
    --panel-2: #1d2540;
    --borde: #26304d;
    --texto: #e8ebf5;
    --tenue: #9aa3bd;
    --acento: #818cf8;
    --acento-suave: #232a4a;
    --sombra: 0 8px 26px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--fondo); color: var(--texto);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding-bottom: calc(150px + env(safe-area-inset-bottom));
  -webkit-tap-highlight-color: transparent;
}

.cabecera {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(12px + env(safe-area-inset-top)) 18px 12px;
  background: color-mix(in srgb, var(--fondo) 88%, transparent);
  backdrop-filter: blur(10px);
}
.marca { font-weight: 700; font-size: 18px; display: flex; align-items: center; gap: 9px; }
.punto { width: 11px; height: 11px; border-radius: 50%; background: var(--acento); box-shadow: 0 0 0 4px var(--acento-suave); }

main { padding: 6px 16px 20px; max-width: 640px; margin: 0 auto; }

h2 { font-size: 15px; text-transform: uppercase; letter-spacing: .06em; color: var(--tenue); margin: 22px 2px 12px; }
.saludo { font-size: 26px; font-weight: 700; margin: 10px 2px 2px; letter-spacing: -.02em; }
.subsaludo { color: var(--tenue); margin: 0 2px 8px; }

/* Tarjetas de tarea / nota */
.item {
  background: var(--panel); border: 1px solid var(--borde);
  border-radius: var(--radio); padding: 14px 15px; margin-bottom: 10px;
  box-shadow: var(--sombra); display: flex; gap: 12px; align-items: flex-start;
}
.item .check {
  flex: none; width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--borde); cursor: pointer; margin-top: 1px;
  display: grid; place-items: center; color: transparent; transition: .15s;
}
.item.hecha .check { background: var(--ok); border-color: var(--ok); color: #fff; }
.item.hecha .titulo { text-decoration: line-through; color: var(--tenue); }
.item .cuerpo { flex: 1; min-width: 0; }
.item .titulo { font-weight: 600; }
.item .meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; align-items: center; }
.item .detalle { color: var(--tenue); font-size: 14px; margin-top: 3px; }

.tag { font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 20px; background: var(--panel-2); color: var(--tenue); }
.tag.trabajo { background: color-mix(in srgb, var(--trabajo) 15%, transparent); color: var(--trabajo); }
.tag.casa    { background: color-mix(in srgb, var(--casa) 16%, transparent); color: var(--casa); }
.tag.dia_a_dia { background: color-mix(in srgb, var(--dia) 15%, transparent); color: var(--dia); }
.tag.alta { background: color-mix(in srgb, var(--alta) 14%, transparent); color: var(--alta); }
.fecha { font-size: 13px; color: var(--tenue); }

.banner-avisos {
  display: block; width: 100%; margin: 14px 0 2px; cursor: pointer;
  background: var(--acento-suave); color: var(--acento); border: 1px solid color-mix(in srgb, var(--acento) 30%, transparent);
  border-radius: var(--radio); padding: 13px 15px; font: inherit; font-weight: 600; text-align: left;
}
.banner-avisos:active { transform: scale(.99); }

.vacio { text-align: center; color: var(--tenue); padding: 40px 20px; }
.vacio svg { opacity: .4; margin-bottom: 8px; }

audio { width: 100%; margin-top: 8px; height: 34px; }

.briefing { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio);
  padding: 18px; box-shadow: var(--sombra); white-space: pre-wrap; line-height: 1.6; }
.briefing .dia { color: var(--tenue); font-size: 13px; margin-bottom: 10px; text-transform: capitalize; }

/* Botón de grabar (flotante, sobre las pestañas) */
.captura {
  position: fixed; left: 0; right: 0; bottom: calc(64px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; align-items: center; gap: 6px; z-index: 6; pointer-events: none;
}
.grabar {
  pointer-events: auto;
  width: 68px; height: 68px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--acento); color: #fff; box-shadow: 0 10px 30px color-mix(in srgb, var(--acento) 45%, transparent);
  display: grid; place-items: center; transition: transform .12s, background .12s;
  touch-action: none; user-select: none;
}
.grabar:active { transform: scale(.94); }
.grabar.grabando { background: var(--alta); animation: pulso 1.1s infinite; }
@keyframes pulso { 0%,100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--alta) 55%, transparent); } 50% { box-shadow: 0 0 0 16px transparent; } }
.grabar-estado { pointer-events: none; font-size: 13px; color: var(--tenue);
  background: var(--panel); padding: 3px 12px; border-radius: 20px; border: 1px solid var(--borde); }

/* Barra de pestañas inferior */
.pestanas {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
  display: flex; background: var(--panel); border-top: 1px solid var(--borde);
  padding-bottom: env(safe-area-inset-bottom);
}
.pestana {
  flex: 1; background: none; border: none; padding: 12px 4px 14px; cursor: pointer;
  color: var(--tenue); font-size: 12px; font-weight: 600; font-family: inherit;
}
.pestana.activa { color: var(--acento); }

.mini { background: var(--acento); color: #fff; border: none; border-radius: 20px;
  padding: 7px 14px; font-weight: 600; font-size: 13px; cursor: pointer; font-family: inherit; }

/* Modal de edición */
dialog { border: none; border-radius: 18px; padding: 20px; width: min(440px, 92vw);
  background: var(--panel); color: var(--texto); box-shadow: 0 20px 60px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(5,10,25,.55); backdrop-filter: blur(2px); }
dialog h3 { margin: 0 0 14px; }
label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--tenue); margin: 12px 0 5px; }
input, select, textarea {
  width: 100%; background: var(--panel-2); border: 1px solid var(--borde); color: var(--texto);
  border-radius: 10px; padding: 11px 12px; font: inherit; }
textarea { min-height: 70px; resize: vertical; }
.acciones { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }
.boton { background: var(--acento); color: #fff; border: none; border-radius: 10px; padding: 11px 18px;
  font-weight: 600; cursor: pointer; font-family: inherit; }
.boton.suave { background: var(--panel-2); color: var(--texto); border: 1px solid var(--borde); }
.boton.peligro { background: none; color: var(--alta); }

.avisos { position: fixed; left: 0; right: 0; bottom: calc(150px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 9; pointer-events: none; }
.aviso { background: var(--texto); color: var(--fondo); padding: 10px 18px; border-radius: 20px;
  font-size: 14px; font-weight: 500; box-shadow: var(--sombra); animation: sube .2s; }
@keyframes sube { from { transform: translateY(8px); opacity: 0; } }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; } }