:root {
  --ink: #0a0508;
  --panel: #150a10;
  --panel-2: #1f0e18;
  --pink: #ff2e88;
  --pink-soft: #ff8cc0;
  --blood: #8b0a2a;
  --paper: #f3e6ec;
  --muted: #b89aa8;
  --line: rgba(255, 46, 136, .35);
  --f-goth: "UnifrakturMaguntia", serif;
  --f-type: "Special Elite", "Courier New", monospace;
  --f-hand: "Rock Salt", cursive;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-type);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}
img, video, iframe { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- fondo ---------- */
.bg-checker {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(139, 10, 42, .45), transparent 60%),
    radial-gradient(ellipse at 50% 100%, rgba(255, 46, 136, .12), transparent 55%),
    repeating-conic-gradient(#120910 0 25%, #0a0508 0 50%) 0 0 / 28px 28px;
}
.bg-hearts { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.bg-hearts span {
  position: absolute; top: -40px;
  color: var(--pink); opacity: .0;
  animation: fall linear infinite;
  text-shadow: 0 0 8px var(--pink);
}
@keyframes fall {
  0%   { transform: translateY(0) rotate(0); opacity: 0; }
  10%  { opacity: .55; }
  100% { transform: translateY(110vh) rotate(260deg); opacity: 0; }
}

/* ---------- candado ---------- */
.lock {
  min-height: 100dvh;
  display: grid; place-items: center;
  padding: 24px 16px;
}
.lock-box {
  width: 100%; max-width: 360px;
  text-align: center;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 2px dashed var(--pink);
  border-radius: 4px;
  padding: 32px 20px 24px;
  box-shadow: 0 0 0 6px var(--ink), 0 0 0 7px var(--blood), 0 20px 60px rgba(255, 46, 136, .2);
}
.lock-icon svg { width: 72px; height: 72px; margin: 0 auto 8px; fill: var(--blood); stroke: var(--pink); stroke-width: 2; filter: drop-shadow(0 0 10px var(--pink)); animation: beat 1.6s ease-in-out infinite; }
.lock-icon .crack { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linejoin: bevel; }
@keyframes beat { 0%, 100% { transform: scale(1); } 15% { transform: scale(1.12); } 30% { transform: scale(1); } 45% { transform: scale(1.08); } }
.lock-title { font-family: var(--f-goth); font-weight: 400; font-size: 44px; line-height: 1; margin: 0; color: var(--pink); text-shadow: 0 0 14px rgba(255, 46, 136, .6); }
.lock-sub { color: var(--muted); font-size: 13px; margin: 8px 0 22px; }
.lock-form { display: flex; flex-direction: column; gap: 10px; }
.lock-form input {
  font: inherit; font-size: 16px; /* evita zoom en iOS */
  color: var(--paper); background: var(--ink);
  border: 1px solid var(--line); border-radius: 2px;
  padding: 14px 12px; text-align: center; outline: none;
}
.lock-form input:focus { border-color: var(--pink); box-shadow: 0 0 12px rgba(255, 46, 136, .4); }
.lock-form button, .logout {
  font-family: var(--f-hand); font-size: 14px;
  color: var(--ink); background: var(--pink);
  border: 0; border-radius: 2px; padding: 14px; cursor: pointer;
  box-shadow: 3px 3px 0 var(--blood);
  transition: transform .1s, box-shadow .1s;
}
.lock-form button:active, .logout:active { transform: translate(3px, 3px); box-shadow: 0 0 0 var(--blood); }
.lock-error { min-height: 1.4em; margin: 12px 0 0; font-size: 13px; color: var(--pink-soft); }
.shake { animation: shake .4s; }
@keyframes shake { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }

/* ---------- cabecera ---------- */
.diary { padding: 0 16px calc(32px + env(safe-area-inset-bottom)); max-width: 560px; margin: 0 auto; }
.top { text-align: center; padding: calc(40px + env(safe-area-inset-top)) 0 12px; }
.top-kicker { font-size: 11px; letter-spacing: .25em; text-transform: uppercase; color: var(--muted); margin: 0; }
.top-title { font-family: var(--f-goth); font-weight: 400; font-size: clamp(52px, 17vw, 84px); line-height: 1; margin: 6px 0 4px; color: var(--paper); }
.top-title span { color: var(--pink); text-shadow: 0 0 6px var(--pink), 0 0 22px rgba(255, 46, 136, .6); }
.top-sub { font-family: var(--f-hand); font-size: 12px; color: var(--pink-soft); margin: 10px 0 0; transform: rotate(-2deg); }
.top-divider { color: var(--blood); letter-spacing: .5em; margin-top: 20px; font-size: 14px; }

/* ---------- línea de tiempo ---------- */
.timeline { list-style: none; margin: 24px 0 0; padding: 0 0 0 28px; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 9px; top: 0; bottom: 0; width: 2px;
  background: repeating-linear-gradient(to bottom, var(--pink) 0 8px, transparent 8px 14px);
  opacity: .6;
}
.entry { position: relative; margin-bottom: 40px; opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.entry.visible { opacity: 1; transform: none; }
.entry-node {
  position: absolute; left: -28px; top: 2px; width: 20px; height: 20px;
  display: grid; place-items: center;
  font-size: 15px; line-height: 1; color: var(--pink);
  background: var(--ink); border-radius: 50%;
  text-shadow: 0 0 8px var(--pink);
}
.entry-when { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.entry-date { font-size: 13px; text-transform: lowercase; color: var(--pink-soft); }
.entry-time { font-size: 11px; color: var(--ink); background: var(--pink); padding: 1px 6px; border-radius: 2px; }

.card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 18px 16px 16px;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
}
.card::before { /* cinta adhesiva */
  content: ""; position: absolute; top: -10px; left: 50%; width: 84px; height: 20px;
  transform: translateX(-50%) rotate(-3deg);
  background: rgba(255, 140, 192, .22);
  border-left: 1px dashed rgba(255, 255, 255, .2); border-right: 1px dashed rgba(255, 255, 255, .2);
}
.entry:nth-child(even) .card { transform: rotate(.6deg); }
.entry:nth-child(odd) .card  { transform: rotate(-.5deg); }
.card-title { font-family: var(--f-hand); font-weight: 400; font-size: 16px; line-height: 1.5; margin: 0 0 10px; color: var(--pink); }
.card-text { margin: 0; white-space: pre-line; font-size: 15px; }
.card-text + .media { margin-top: 16px; }

/* ---------- media ---------- */
.media { display: grid; gap: 14px; }
.polaroid {
  margin: 0; background: var(--paper); padding: 8px 8px 0; border-radius: 2px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .6);
  transform: rotate(-1.5deg);
}
.polaroid:nth-child(even) { transform: rotate(1.2deg); }
.polaroid img, .polaroid video { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; background: #222; filter: contrast(1.1) saturate(.75); }
.polaroid video { aspect-ratio: 16 / 9; }
.polaroid figcaption { font-family: var(--f-hand); font-size: 12px; color: #3a1222; text-align: center; padding: 10px 4px 12px; line-height: 1.4; }
.song { border-radius: 12px; overflow: hidden; }
.song-label { font-size: 11px; letter-spacing: .15em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; }
.song-label::before { content: "♫ "; color: var(--pink); }
.song iframe { width: 100%; height: 152px; border: 0; border-radius: 12px; }

/* ---------- final ---------- */
.end { text-align: center; padding: 24px 0 8px; color: var(--muted); font-size: 13px; }
.end-heart { font-family: var(--f-hand); font-size: 28px; color: var(--pink); margin: 0; text-shadow: 0 0 12px var(--pink); }
.logout { margin-top: 20px; font-size: 12px; padding: 10px 16px; }
.empty { color: var(--muted); text-align: center; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .entry { opacity: 1; transform: none; }
}