:root {
  --bg: #09090b;
  --text: #f4f4f5;
  --muted: #85858d;
  --line: rgba(255, 255, 255, 0.09);
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column;
  background: var(--bg); color: var(--text);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--text); color: var(--bg); }

main {
  flex: 1; width: 100%; max-width: 640px; margin: 0 auto;
  padding: clamp(72px, 16vh, 160px) 24px 48px;
  animation: in .9s ease both;
}
@keyframes in { from { opacity: 0; transform: translateY(10px) } }

h1 { font: 400 clamp(64px, 12vw, 104px)/1 var(--serif); letter-spacing: -0.02em; }
h1 span { color: var(--muted); }
.intro { margin-top: 20px; font-size: 18px; font-weight: 300; }
.likes { margin-top: 6px; color: var(--muted); font-size: 15px; }

.hi-wrap { margin-top: 28px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.hi {
  font: 500 15px var(--sans); color: var(--text); background: transparent; cursor: pointer;
  padding: 9px 26px; border: 1px solid var(--line); border-radius: 999px;
  transition: background .25s, color .25s, border-color .25s, transform .15s;
}
.hi:hover { background: var(--text); color: var(--bg); border-color: var(--text); }
.hi:active { transform: scale(.96); }
.hi:disabled { cursor: default; opacity: .55; }
.hi.sent { animation: rainbow 2.4s linear; }
@keyframes rainbow {
  0%   { border-color: #ff3b3b; box-shadow: 0 0 18px -4px #ff3b3b; }
  20%  { border-color: #ffd23b; box-shadow: 0 0 18px -4px #ffd23b; }
  40%  { border-color: #3bff7a; box-shadow: 0 0 18px -4px #3bff7a; }
  60%  { border-color: #3bc8ff; box-shadow: 0 0 18px -4px #3bc8ff; }
  80%  { border-color: #b43bff; box-shadow: 0 0 18px -4px #b43bff; }
  100% { border-color: var(--line); box-shadow: none; }
}
.hi-msg { font-size: 14px; color: var(--muted); }

.films { margin-top: 56px; }
.head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.head h2 { font-size: 13px; font-weight: 500; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.head .src { font-size: 12px; color: var(--muted); opacity: .7; }

.strip { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.film { display: block; aspect-ratio: 2 / 3; border-radius: 6px; overflow: hidden; border: 1px solid var(--line); position: relative; background: #121215; }
.film img { width: 100%; height: 100%; object-fit: cover; display: block; filter: grayscale(1) brightness(.85); transition: filter .35s; }
.film:hover img { filter: none; }
.skeleton { background: linear-gradient(100deg, #121215 30%, #1a1a1e 50%, #121215 70%); background-size: 300% 100%; animation: shimmer 1.6s infinite; }
@keyframes shimmer { to { background-position: -150% 0 } }
.empty { grid-column: 1 / -1; color: var(--muted); font-size: 14px; }

footer {
  width: 100%; max-width: 640px; margin: 0 auto; padding: 28px 24px 40px;
  display: flex; gap: 24px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted);
}
footer a { transition: color .2s; }
footer a:hover { color: var(--text); }

@media (max-width: 520px) {
  main { padding: 64px 16px 40px; }
  .strip { grid-template-columns: repeat(3, 1fr); }
  footer { padding: 24px 16px 32px; }
}
@media (prefers-reduced-motion: reduce) {
  main, .skeleton { animation: none; }
}