/* La app del teléfono, con las medidas del iPhone (controles de 44 px, letra de 17 px) y el estilo del panel: fondo
   oscuro, vidrio, la píldora que se desliza y el acento de la escena (el estanque para las ideas, el atardecer para las
   tareas). */

:root {
  --fondo: #0b0f19;
  --texto: #f5f7fb;
  --texto-2: rgba(245, 247, 251, 0.74);
  --texto-3: rgba(245, 247, 251, 0.5);
  --vidrio: rgba(14, 17, 26, 0.62);
  --vidrio-claro: rgba(255, 255, 255, 0.07);
  --borde: rgba(255, 255, 255, 0.1);
  --borde-fuerte: rgba(255, 255, 255, 0.18);
  --exito: #6ee7a8;
  --aviso: #c9b8ff;
  --peligro: #ff9f9f;
  --azul: #9fd2ff;
  --acento: #5ee6d0;
  --tinta: #04201c;
  --cielo: #0e363c;
  --entra: 200ms;
  --sale: 160ms;
  --desliza: 400ms;
  --frena: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

.app[data-tipo="tarea"] {
  --acento: #f7a8c4;
  --tinta: #2a0f22;
  --cielo: #3b2a63;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--fondo);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 17px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

button,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}

[hidden] {
  display: none !important;
}

/* ── La escena de arriba ─────────────────────────────────────────────────────────────────────────────────────────── */

.app {
  position: relative;
  display: grid;
  gap: 18px;
  max-width: 560px;
  margin: 0 auto;
  padding: 0 16px calc(28px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, var(--cielo) 0, var(--fondo) 46vh);
  transition: background var(--desliza) var(--frena);
}

.cielo {
  position: relative;
  margin: 0 -16px;
  aspect-ratio: 16 / 9;
  max-height: 44vh;
  overflow: hidden;
  background: var(--cielo);
}

.cielo::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 55%;
  background: linear-gradient(180deg, transparent, var(--fondo));
}

.escena {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
  opacity: 0;
  transition: opacity var(--desliza) var(--frena);
}

.app[data-tipo="idea"] .escena[data-escena="estanque"],
.app[data-tipo="tarea"] .escena[data-escena="atardecer"] {
  opacity: 1;
}

.cabeza {
  position: absolute;
  top: calc(14px + env(safe-area-inset-top));
  left: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.55);
}

.logo {
  width: 34px;
  height: 40px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
}

.nombre {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.estado {
  min-height: 1.2em;
  margin: 0;
  color: var(--texto-2);
  font-size: 13px;
}

.estado[data-tono="pendiente"] {
  color: var(--aviso);
}

/* ── La tarjeta para anotar ──────────────────────────────────────────────────────────────────────────────────────── */

.tarjeta {
  display: grid;
  gap: 12px;
  margin-top: -58px;
  padding: 14px;
  border: 1px solid var(--borde);
  border-radius: 22px;
  background: var(--vidrio);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  position: relative;
  z-index: 1;
}

.pildora {
  position: relative;
  display: flex;
  padding: 4px;
  border: 1px solid var(--borde);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.25);
}

.pildora button {
  position: relative;
  z-index: 1;
  flex: 1;
  min-height: 40px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--texto-2);
  font-size: 16px;
  font-weight: 600;
  transition: color var(--entra) ease;
}

.pildora button[aria-checked="true"] {
  color: var(--tinta);
}

.pildora-marca {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: 0;
  border-radius: 999px;
  background: var(--acento);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--acento) 35%, transparent);
  transition:
    transform var(--desliza) var(--frena),
    width var(--desliza) var(--frena),
    background var(--desliza) var(--frena);
}

.pildora-chica button {
  min-height: 36px;
  font-size: 15px;
}

textarea {
  width: 100%;
  min-height: 9.5em;
  resize: none;
  padding: 14px;
  border: 1px solid var(--borde);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.28);
  font-size: 17px;
  line-height: 1.45;
  outline: none;
  transition: border-color var(--entra) ease;
}

textarea:focus {
  border-color: color-mix(in srgb, var(--acento) 70%, transparent);
}

textarea::placeholder {
  color: var(--texto-3);
}

.pista {
  margin: -4px 4px 0;
  color: var(--texto-3);
  font-size: 13px;
}

.guardar {
  min-height: 50px;
  border: 0;
  border-radius: 14px;
  background: var(--acento);
  color: var(--tinta);
  font-size: 17px;
  font-weight: 700;
  transition:
    background var(--desliza) var(--frena),
    transform 120ms var(--frena),
    opacity var(--entra) ease;
}

.guardar:active {
  transform: scale(0.98);
}

.guardar:disabled {
  opacity: 0.55;
}

/* ── Lo que anotaste ─────────────────────────────────────────────────────────────────────────────────────────────── */

.historial h2 {
  margin: 6px 4px 10px;
  color: var(--texto-2);
  font-size: 15px;
  font-weight: 600;
}

.lista {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nota {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border: 1px solid var(--borde);
  border-radius: 16px;
  background: var(--vidrio-claro);
  animation: entra var(--entra) var(--frena) both;
}

.nota-titulo {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.nota-pie {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  color: var(--texto-3);
  font-size: 13px;
}

.marca-tipo {
  color: var(--texto-2);
}

.marca-tipo::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: #5ee6d0;
  vertical-align: 1px;
}

.marca-tipo[data-tipo="tarea"]::before {
  background: #f7a8c4;
}

.situacion {
  margin-left: auto;
  padding: 2px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--texto-2);
  font-size: 12px;
  font-weight: 600;
}

.situacion[data-estado="por-enviar"] {
  background: color-mix(in srgb, var(--aviso) 16%, transparent);
  color: var(--aviso);
}

.situacion[data-estado="enviada"] {
  background: color-mix(in srgb, var(--azul) 14%, transparent);
  color: var(--azul);
}

.situacion[data-estado="llego"] {
  background: color-mix(in srgb, var(--exito) 15%, transparent);
  color: var(--exito);
}

.nota-error {
  margin: 0;
  color: var(--peligro);
  font-size: 13px;
}

.vacio {
  margin: 0 4px;
  color: var(--texto-3);
  font-size: 14px;
}

/* ── Sin la clave, el aviso para instalar y los mensajes ─────────────────────────────────────────────────────────── */

.sin-clave {
  display: grid;
  justify-items: center;
  gap: 12px;
  min-height: 100vh;
  min-height: 100dvh;
  align-content: center;
  padding: 24px 28px calc(24px + env(safe-area-inset-bottom));
  text-align: center;
  background: radial-gradient(circle at 50% 30%, #16213a, var(--fondo) 70%);
}

.sin-clave h1 {
  margin: 8px 0 0;
  font-size: 24px;
}

.sin-clave p {
  margin: 0;
  color: var(--texto-2);
}

.logo-grande {
  width: 68px;
  height: 80px;
  animation: respira 2.6s ease-in-out infinite;
}

.instalar {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom));
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 8px 12px 16px;
  border: 1px solid var(--borde-fuerte);
  border-radius: 18px;
  background: rgba(20, 24, 36, 0.92);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
  font-size: 15px;
  animation: sube var(--desliza) var(--frena) both;
}

.instalar p {
  margin: 0;
  flex: 1;
}

.icono-compartir {
  width: 20px;
  height: 20px;
  margin: 0 2px;
  vertical-align: -4px;
  fill: none;
  stroke: var(--azul);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cerrar {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: transparent;
}

.cerrar svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--texto-2);
  stroke-width: 2;
  stroke-linecap: round;
}

.aviso {
  position: fixed;
  left: 50%;
  bottom: calc(22px + env(safe-area-inset-bottom));
  z-index: 4;
  max-width: calc(100% - 32px);
  padding: 11px 18px;
  border-radius: 999px;
  background: rgba(20, 24, 36, 0.94);
  border: 1px solid var(--borde-fuerte);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
  font-size: 15px;
  font-weight: 600;
  opacity: 0;
  transform: translate(-50%, 12px);
  pointer-events: none;
  transition:
    opacity var(--sale) ease,
    transform var(--sale) ease;
}

.aviso[data-visible] {
  opacity: 1;
  transform: translate(-50%, 0);
  transition:
    opacity var(--entra) var(--frena),
    transform var(--entra) var(--frena);
}

.aviso[data-tono="ok"] {
  color: var(--exito);
}

.aviso[data-tono="error"] {
  color: var(--peligro);
}

.oculto {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

@keyframes entra {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

@keyframes sube {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
}

@keyframes respira {
  50% {
    transform: scale(1.04);
    filter: drop-shadow(0 0 16px rgba(94, 230, 208, 0.35));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }
}