:root {
  --color-primary: #1ed760;
  --color-canvas: #121212;
  --color-surface: #181818;
  --color-mid: #1f1f1f;
  --color-text: #ffffff;
  --color-silver: #b3b3b3;
  --font-display: SpotifyMixUITitle, "Helvetica Neue", Helvetica, Arial, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: SpotifyMixUI, "Helvetica Neue", Helvetica, Arial, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rounded-pill: 9999px;
  --rounded-md: 8px;
}

* { box-sizing: border-box; }
html { background: #000; }
body {
  margin: 0 auto;
  max-width: 390px;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-canvas);
  line-height: 1.35;
  padding-bottom: 72px;
}
a { color: var(--color-text); text-decoration: none; }

.top {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-canvas);
}
.logo { font-weight: 700; color: var(--color-primary); font-size: 20px; }
.back { font-size: 12px; color: var(--color-silver); }

.hero {
  padding: 24px 16px 28px;
  background: linear-gradient(180deg, #2a2a2a, var(--color-canvas));
}
.hero h1 { font-family: var(--font-display); font-size: 28px; font-weight: 700; margin: 0 0 8px; }
.hero p { margin: 0; color: var(--color-silver); font-size: 14px; }

.block { padding: 16px; }
.block h2 { font-size: 18px; font-weight: 600; margin: 0 0 12px; }

.cell {
  display: block;
  background: var(--color-surface);
  border-radius: var(--rounded-md);
  padding: 12px;
  margin-bottom: 8px;
  color: #fff;
}
.cell h3 { margin: 0 0 4px; font-size: 15px; font-weight: 700; }
.cell p { margin: 0; color: var(--color-silver); font-size: 13px; }

.row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid #2a2a2a;
  font-size: 14px;
}
.row:last-child { border-bottom: 0; }
.row b { color: var(--color-primary); }
.row span { color: var(--color-silver); }

.ph {
  background: var(--color-mid);
  color: var(--color-silver);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-bottom: 12px;
  border-radius: 6px;
}

form label { display: block; margin: 0 0 4px; font-size: 14px; font-weight: 700; }
form input, form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 0;
  background: var(--color-mid);
  color: #fff;
  font: inherit;
  margin-bottom: 12px;
  border-radius: 4px;
  box-shadow: rgb(124,124,124) 0 0 0 1px inset;
}
form button {
  width: 100%;
  padding: 12px;
  border: 0;
  background: var(--color-primary);
  color: #000;
  font: inherit;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  border-radius: var(--rounded-pill);
}

.tab {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 390px;
  display: flex;
  background: #181818;
  box-shadow: rgba(0,0,0,0.5) 0 -8px 24px;
}
.tab a {
  flex: 1;
  text-align: center;
  padding: 12px 0 14px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-silver);
}
.tab a.on { color: var(--color-primary); }

.ph { overflow: hidden; }
.ph img { width: 100%; height: 100%; object-fit: cover; display: block; }