:root {
  --bg: #070b12;
  --bg2: #0c121d;
  --panel: #101725;
  --panel2: #141d2e;
  --line: #1c2740;
  --line2: #243050;
  --txt: #e8ecf4;
  --mut: #8b94a7;
  --mut2: #5b6478;
  --up: #22c55e;
  --down: #f43f5e;
  --acc: #6d8dff;
  --acc2: #22d3ee;
  --warn: #f59e0b;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .45);
  --mono: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(109, 141, 255, .10), transparent 60%),
    radial-gradient(900px 420px at -10% 0%, rgba(34, 211, 238, .08), transparent 55%),
    var(--bg);
  color: var(--txt);
  min-height: 100vh;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--acc); }
b { font-weight: 600; }

/* ---------- login ---------- */
body.login {
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.login-card {
  width: min(380px, 100%);
  background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 34px 30px;
  box-shadow: var(--shadow);
  text-align: center;
}
.login-card .tag { color: var(--mut); margin: 2px 0 26px; font-size: 13px; }
.login-card label { display: block; text-align: left; color: var(--mut); font-size: 12px; margin: 14px 0 6px; letter-spacing: .3px; }
.login-card input {
  width: 100%; padding: 11px 13px; border-radius: 10px;
  border: 1px solid var(--line2); background: var(--bg2); color: var(--txt);
  font-size: 14px; outline: none; transition: border .15s, box-shadow .15s;
}
.login-card input:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(109,141,255,.18); }
.err { color: var(--down); min-height: 18px; font-size: 13px; margin: 10px 0 0; }

/* ---------- brand / topbar ---------- */
.brand { font-size: 20px; letter-spacing: .2px; }
.brand span { color: var(--acc2); }
.brand .l { font-size: 26px; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(7,11,18,.8); backdrop-filter: blur(10px); z-index: 10;
}
.topright { display: flex; align-items: center; gap: 10px; }
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line2);
  background: var(--panel); font-size: 12px; color: var(--mut); font-weight: 600; letter-spacing: .3px;
}
.pill.live { color: var(--up); border-color: rgba(34,197,94,.4); }
.pill.user { color: var(--txt); text-transform: capitalize; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mut2); display: inline-block; }
.dot.on { background: var(--up); box-shadow: 0 0 10px rgba(34,197,94,.9); animation: pulse 1.6s infinite; }
.dot.off { background: var(--down); }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.45} }
.clock { font-family: var(--mono); font-size: 13px; color: var(--mut); }

.btn {
  cursor: pointer; border: none; border-radius: 10px; padding: 9px 15px;
  font-size: 14px; font-weight: 600; font-family: var(--sans);
  transition: filter .15s, background .15s; color: var(--txt);
}
.btn:hover { filter: brightness(1.08); }
.btn.primary { background: linear-gradient(135deg, var(--acc), #5a74ff); }
.btn.ghost { background: var(--panel2); border: 1px solid var(--line2); color: var(--mut); }
.btn.ghost:hover { color: var(--txt); border-color: var(--mut2); }
.btn.block { width: 100%; margin-top: 20px; padding: 12px; }

/* ---------- overview cards ---------- */
.overview {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; padding: 18px 22px 0;
}
.stat {
  background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px;
}
.stat .k { font-size: 11px; color: var(--mut); text-transform: uppercase; letter-spacing: .6px; }
.stat .v { font-size: 18px; font-weight: 700; margin-top: 5px; font-family: var(--mono); }
.stat .v small { font-size: 11px; color: var(--mut); font-weight: 500; }
.stat .v.up { color: var(--up); }
.stat .v.down { color: var(--down); }
.stat .v .fg-emoji { font-size: 15px; }

/* ---------- movers ---------- */
.movers { display: flex; gap: 10px; align-items: stretch; padding: 14px 22px 0; }
.movers .card {
  flex: 1; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; background: var(--bg2);
}
.movers .card h3 { margin: 0 0 8px; font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--mut); }
.movers .card h3 .g { color: var(--up); } .movers .card h3 .d { color: var(--down); }
.mover { display: flex; align-items: center; justify-content: space-between; padding: 3px 0; font-size: 13px; }
.mover .c { display: flex; align-items: center; gap: 7px; }
.mover img { width: 16px; height: 16px; border-radius: 50%; }
.mover .sym { font-weight: 600; }
.mover .g { color: var(--up); font-family: var(--mono); }
.mover .d { color: var(--down); font-family: var(--mono); }

/* ---------- layout ---------- */
.grid {
  display: grid; grid-template-columns: 1fr 420px; gap: 16px;
  padding: 18px 22px 24px; align-items: start;
}
@media (max-width: 1100px) { .grid { grid-template-columns: 1fr; } }

.panel {
  background: linear-gradient(180deg, var(--panel), var(--bg2));
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--line);
}
.panel-head h2 { margin: 0; font-size: 15px; font-weight: 700; letter-spacing: .2px; }
.toolbar { display: flex; align-items: center; gap: 10px; }
.updated { font-size: 11px; color: var(--mut2); font-family: var(--mono); }
.search {
  padding: 8px 12px; border-radius: 9px; border: 1px solid var(--line2);
  background: var(--bg2); color: var(--txt); font-size: 13px; width: 210px; outline: none;
}
.search:focus { border-color: var(--acc); }

/* ---------- table ---------- */
.table-wrap { overflow: auto; max-height: 72vh; }
table { width: 100%; border-collapse: collapse; }
thead th {
  position: sticky; top: 0; background: var(--panel2); z-index: 1;
  text-align: left; padding: 10px 12px; font-size: 11px; color: var(--mut);
  text-transform: uppercase; letter-spacing: .5px; cursor: pointer; user-select: none; white-space: nowrap;
}
thead th.r, td.r { text-align: right; }
thead th:hover { color: var(--txt); }
thead th .arrow { color: var(--acc); margin-left: 2px; }
tbody tr { border-top: 1px solid var(--line); transition: background .1s; }
tbody tr:hover { background: rgba(109,141,255,.05); }
tbody tr.sel { background: rgba(109,141,255,.10); }
td { padding: 9px 12px; font-size: 13px; white-space: nowrap; }
td .coin { display: flex; align-items: center; gap: 9px; }
td img { width: 22px; height: 22px; border-radius: 50%; background: var(--panel2); }
td .sym { font-weight: 700; }
td .name { color: var(--mut); font-size: 11px; }
td .px { font-weight: 600; font-family: var(--mono); transition: color .3s; }
.g { color: var(--up); } .d { color: var(--down); }
.arrow-up::before { content: "▲ "; font-size: 9px; }
.rev::before { content: ""; }
td.flash-up { animation: flashup .6s; }
td.flash-down { animation: flashdown .6s; }
@keyframes flashup { 0%{ background: rgba(34,197,94,.35);} 100%{ background: transparent; } }
@keyframes flashdown { 0%{ background: rgba(244,63,94,.35);} 100%{ background: transparent; } }
.fav { cursor: pointer; color: var(--mut2); font-size: 15px; text-align: center; }
.fav.on { color: #f5c518; }

/* sparkline */
.spark { width: 96px; height: 30px; display: block; }
.hide-m { } @media (max-width: 900px){ .hide-m{ display:none } }
.hide-tb { } @media (max-width: 760px){ .hide-tb{ display:none } }
.rank { width: 20px; color: var(--mut2); }

/* ---------- chart ---------- */
.chartpanel { position: sticky; top: 70px; }
.chart { height: 390px; }
.tabs { display: flex; background: var(--bg2); border: 1px solid var(--line2); border-radius: 9px; overflow: hidden; }
.tabs button { background: transparent; border: none; color: var(--mut); padding: 7px 13px; font-size: 12px; font-weight: 600; cursor: pointer; }
.tabs button.active { background: var(--acc); color: #fff; }
.ind-chips { display: flex; flex-wrap: wrap; gap: 7px; padding: 10px 16px; border-top: 1px solid var(--line); }
.chip { font-size: 11px; color: var(--mut); background: var(--bg2); border: 1px solid var(--line); border-radius: 8px; padding: 4px 8px; }
.chip b { color: var(--txt); font-family: var(--mono); }
.chart-foot { padding: 0 16px 12px; font-size: 11px; color: var(--mut2); line-height: 1.5; }
.chart-foot a { color: var(--acc); }

/* ---------- footer ---------- */
.foot { text-align: center; color: var(--mut2); font-size: 12px; padding: 10px 20px 26px; }

/* empty / waiting */
.empty { padding: 40px 16px; text-align: center; color: var(--mut); }

@media (max-width: 640px) {
  .overview { grid-template-columns: repeat(2, 1fr); padding: 14px 14px 0; }
  .grid { padding: 14px; }
  .search { width: 130px; }
  .chartpanel { position: static; }
}