:root {
  --bg: #0b1220;
  --card: #151d2e;
  --card2: #1c2740;
  --text: #e8eef8;
  --muted: #9aa8c2;
  --accent: #ff7a2f;
  --accent2: #2dd4bf;
  --line: #243049;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: Inter, Segoe UI, system-ui, sans-serif; }
button, input, textarea, select { font: inherit; }
a { color: var(--accent2); }
.phone { max-width: 430px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; background: linear-gradient(#121a2b, #0b1220); }
.top { display: flex; justify-content: space-between; align-items: center; padding: 18px 18px 8px; }
.brand { font-weight: 800; font-size: 1.35rem; }
.tabs-admin { display: flex; gap: 8px; padding: 0 18px 10px; }
.tabs-admin button { background: var(--card); color: var(--text); border: 0; border-radius: 999px; padding: 6px 12px; }
.tabs-admin button.on { background: var(--accent); color: #1a0b00; }
main { flex: 1; padding: 0 16px 88px; }
h1, h2, h3 { margin: 0.4em 0; }
.muted { color: var(--muted); }
.hero { background: var(--card); border-radius: 22px; padding: 18px; }
.big { font-size: 2.6rem; font-weight: 800; letter-spacing: -1px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 12px; }
.stat { background: var(--card2); border-radius: 16px; padding: 12px; text-align: center; }
.stat b { display: block; font-size: 1.05rem; }
.card { background: var(--card); border-radius: 18px; padding: 14px; margin: 12px 0; }
.row { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.bar { height: 8px; background: #243049; border-radius: 99px; overflow: hidden; margin: 8px 0; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), #ffb347); }
.ach { display: flex; gap: 8px; overflow: auto; padding-bottom: 4px; }
.ach span { background: var(--card2); border-radius: 14px; padding: 10px 12px; white-space: nowrap; font-size: 0.85rem; }
.nav { position: sticky; bottom: 0; display: grid; grid-template-columns: repeat(6, 1fr); background: #0e1626; border-top: 1px solid var(--line); padding: 8px 4px 14px; }
.nav button { background: none; border: 0; color: var(--muted); font-size: 0.68rem; }
.nav button.on { color: var(--accent); font-weight: 700; }
.auth { padding: 32px 20px; }
.auth input, .auth textarea, .field { width: 100%; background: var(--card2); border: 1px solid var(--line); color: var(--text); border-radius: 12px; padding: 12px; margin: 8px 0; }
.btn { width: 100%; border: 0; border-radius: 14px; padding: 12px; background: var(--accent); color: #1a0b00; font-weight: 800; margin-top: 8px; }
.btn.ghost { background: var(--card2); color: var(--text); }
.reward { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.rank { display: flex; gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.rank .n { width: 28px; color: var(--muted); }
.me { background: #1e2a18; margin: 0 -14px; padding: 10px 14px; border-radius: 12px; }
.error { color: #f87171; min-height: 1.2em; }
.hidden { display: none !important; }
.points { background: #1d2a44; border-radius: 999px; padding: 4px 10px; font-weight: 700; }
img.preview { max-width: 100%; border-radius: 12px; margin-top: 8px; }
.admin-wrap { max-width: 980px; margin: 0 auto; padding: 20px; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); }