:root {
  --blue: #1D9BF0;
  --blue-dark: #1683cf;
  --bg: #0d1420;
  --card: #141e2e;
  --card2: #1a2740;
  --line: #24354f;
  --text: #eef4fb;
  --muted: #8aa0bc;
  --green: #37d67a;
  --red: #ff5d5d;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
body { min-height: 100vh; }

header { position: sticky; top: 0; z-index: 20; display: flex; justify-content: space-between;
  align-items: center; padding: 10px 14px; background: rgba(13,20,32,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 9px; cursor: pointer; }
.logo { width: 34px; height: 34px; border-radius: 9px; }
.brandname { font-weight: 800; letter-spacing: 2px; font-size: 18px; }
.hdr-right { display: flex; align-items: center; gap: 10px; }
.balance { background: var(--card2); border: 1px solid var(--line); padding: 6px 12px;
  border-radius: 999px; font-size: 14px; }
.balance b { color: #ffd83d; }

main { max-width: 640px; margin: 0 auto; padding: 14px 14px 90px; }

nav#tabs { position: fixed; bottom: 0; left: 0; right: 0; display: flex; z-index: 20;
  background: rgba(13,20,32,.96); border-top: 1px solid var(--line); backdrop-filter: blur(8px); }
nav#tabs button { flex: 1; background: none; border: 0; color: var(--muted); padding: 8px 0 10px;
  font-size: 11px; display: flex; flex-direction: column; align-items: center; gap: 2px; cursor: pointer; }
nav#tabs button span { font-size: 20px; }
nav#tabs button.active { color: var(--blue); }

.btn { border: 0; border-radius: 10px; padding: 10px 18px; font-weight: 700; font-size: 14px;
  cursor: pointer; color: #fff; background: var(--card2); }
.btn-blue { background: var(--blue); }
.btn-blue:active { background: var(--blue-dark); }
.btn-green { background: var(--green); color: #06280f; }
.btn-red { background: var(--red); color: #330404; }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.btn:disabled { opacity: .45; cursor: default; }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 8px; }

.search { width: 100%; background: var(--card); border: 1px solid var(--line); color: var(--text);
  border-radius: 12px; padding: 12px 14px; font-size: 15px; margin-bottom: 10px; outline: none; }
.chips { display: flex; gap: 8px; margin-bottom: 12px; }
.chip { background: var(--card); border: 1px solid var(--line); color: var(--muted); padding: 7px 14px;
  border-radius: 999px; font-size: 13px; cursor: pointer; }
.chip.active { background: var(--blue); border-color: var(--blue); color: #fff; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 12px 14px; margin-bottom: 10px; }
.row { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), #7ad0ff);
  display: flex; align-items: center; justify-content: center; font-size: 22px; flex: none; }
.avatar.lg { width: 64px; height: 64px; font-size: 32px; }
.avatar.sm { width: 30px; height: 30px; font-size: 15px; }
.avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.xlink { color: var(--text); text-decoration: none; display: inline-block; padding: 0 2px; }
.xlink:hover { color: var(--blue); }
.grow { flex: 1; min-width: 0; }
.uname { font-weight: 700; font-size: 15px; }
.usub { color: var(--muted); font-size: 12.5px; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.price { text-align: right; font-weight: 800; font-size: 15px; }
.price small { display: block; color: var(--muted); font-weight: 400; font-size: 11px; }

.section-title { font-size: 13px; letter-spacing: 1.5px; color: var(--muted); margin: 18px 4px 8px; font-weight: 700; }

.stat-row { display: flex; gap: 10px; margin: 12px 0; }
.stat { flex: 1; background: var(--card2); border-radius: 12px; padding: 10px; text-align: center; }
.stat b { display: block; font-size: 17px; }
.stat span { color: var(--muted); font-size: 11px; }

.trade-btns { display: flex; gap: 10px; margin: 14px 0; }
.trade-btns .btn { flex: 1; padding: 13px; font-size: 15px; }

canvas.chart { width: 100%; height: 120px; background: var(--card2); border-radius: 12px; }

.chat-box { display: flex; flex-direction: column; gap: 8px; max-height: 45vh; overflow-y: auto; padding: 4px 0; }
.msg { display: flex; gap: 8px; align-items: flex-start; }
.msg .avatar { width: 30px; height: 30px; font-size: 15px; }
.msg .bubble { background: var(--card2); border-radius: 4px 14px 14px 14px; padding: 8px 12px; font-size: 14px; }
.msg .who { font-size: 11px; color: var(--blue); font-weight: 700; margin-bottom: 2px; }
.msg.mine { flex-direction: row-reverse; }
.msg.mine .bubble { background: var(--blue); border-radius: 14px 4px 14px 14px; }
.msg.mine .who { color: #cfeaff; }
.chat-input { display: flex; gap: 8px; margin-top: 10px; }
.chat-input input { flex: 1; background: var(--card2); border: 1px solid var(--line); color: var(--text);
  border-radius: 10px; padding: 11px 12px; font-size: 14px; outline: none; }
.locked { text-align: center; color: var(--muted); padding: 24px 10px; }
.locked .big { font-size: 34px; margin-bottom: 6px; }

.feed-item { display: flex; align-items: center; gap: 10px; padding: 10px 4px; border-bottom: 1px solid var(--line); font-size: 14px; }
.feed-item:last-child { border-bottom: 0; }
.buy { color: var(--green); font-weight: 700; }
.sell { color: var(--red); font-weight: 700; }
.time { color: var(--muted); font-size: 11.5px; margin-left: auto; flex: none; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.65); z-index: 40; display: flex;
  align-items: flex-end; justify-content: center; }
.modal[hidden] { display: none; }
@media (min-width: 560px) { .modal { align-items: center; } }
.modal-card { background: var(--card); border: 1px solid var(--line); border-radius: 20px 20px 0 0;
  width: 100%; max-width: 560px; max-height: 88vh; overflow-y: auto; padding: 20px; }
@media (min-width: 560px) { .modal-card { border-radius: 20px; } }
.modal-card h2 { margin: 0 0 4px; }
.modal-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.field { width: 100%; background: var(--card2); border: 1px solid var(--line); color: var(--text);
  border-radius: 10px; padding: 12px; font-size: 15px; margin: 6px 0 12px; outline: none; }
.divider { text-align: center; color: var(--muted); font-size: 12px; margin: 14px 0; }

.token-hero { text-align: center; padding: 26px 10px 14px; }
.token-hero img { width: 88px; height: 88px; border-radius: 22px; }
.token-hero h1 { margin: 12px 0 4px; letter-spacing: 3px; }
.token-hero .sub { color: var(--muted); font-size: 14px; }
.ca { font-family: monospace; font-size: 12px; background: var(--card2); padding: 9px 12px;
  border-radius: 9px; word-break: break-all; margin: 10px 0; cursor: pointer; border: 1px dashed var(--line); }
.big-num { font-size: 26px; font-weight: 800; }
.pos { color: var(--green); } .neg { color: var(--red); }

#toast { position: fixed; bottom: 78px; left: 50%; transform: translateX(-50%); z-index: 60;
  background: var(--blue); color: #fff; font-weight: 600; padding: 10px 18px; border-radius: 999px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .25s; max-width: 90vw; }
#toast.err { background: var(--red); }
#toast.show { opacity: 1; }
.back { color: var(--blue); background: none; border: 0; font-size: 14px; font-weight: 700;
  cursor: pointer; padding: 0 0 12px; }
.empty { text-align: center; color: var(--muted); padding: 34px 10px; font-size: 14px; }