:root {
  --bg: #1a1a1a;
  --panel: #222222;
  --panel-2: #2a2a2a;
  --line: #333333;
  --text: #ffffff;
  --muted: #b5b5b5;
  --accent: #c4ff00;
  --accent-2: #a8d600;
  --green: #c4ff00;
  --red: #ff5d6c;
  --amber: #ffb547;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 Arial, ui-sans-serif, system-ui, sans-serif;
  min-height: 100vh;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.up { color: var(--green); }
.down { color: var(--red); }

.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .2px; font-size: 16px; color: var(--text); text-decoration: none; }
.brand-lg { margin-bottom: 12px; }
.brand-logo { width: 60px; height: auto; display: block; }
.brand-name { color: var(--accent); font-size: 15px; letter-spacing: .4px; }

.btn {
  appearance: none; border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
  padding: 9px 14px; border-radius: 10px; font: inherit; font-weight: 600; cursor: pointer;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { border-color: #555; background: #333; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); border-color: transparent; color: #1a1a1a; }
.btn-primary:hover { filter: brightness(1.08); background: var(--accent); color: #1a1a1a; }
.btn-danger { background: var(--red); border-color: transparent; color: #fff; }
.btn-danger:hover { background: #ff7380; }
.btn-success { background: var(--accent); border-color: transparent; color: #1a1a1a; }
.btn-success:hover { background: var(--accent-2); color: #1a1a1a; }
.btn-ghost { background: transparent; }
.btn-small { padding: 6px 10px; font-size: 12px; border-radius: 8px; }
.btn-block { width: 100%; }

input {
  width: 100%; margin-top: 6px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: #141414; color: var(--text); font: inherit;
}
.cell-input { margin: 0; padding: 6px 8px; font-family: var(--mono); text-align: right; min-width: 80px; }
.cell-input.symbol { text-align: left; text-transform: uppercase; min-width: 70px; }
label { display: block; margin: 14px 0 0; color: var(--muted); font-size: 12px; font-weight: 600; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 18px; padding: 28px; box-shadow: 0 24px 80px rgba(0, 0, 0, .45);
}
.login-card .btn-block { margin-top: 20px; }

.pending { display: flex; gap: 12px; align-items: flex-start; margin-top: 18px; padding: 12px; border-radius: 10px; background: rgba(196, 255, 0, .08); border: 1px solid rgba(196, 255, 0, .35); }
.pending-body { flex: 1; min-width: 0; }
.sms-row { display: flex; gap: 8px; margin-top: 10px; }
.sms-row input { margin: 0; }
.sms-resend { margin-top: 8px; padding-left: 0; color: var(--accent); border: 0; }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .2); border-top-color: var(--accent); animation: spin .8s linear infinite; flex: none; margin-top: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }

.alert { margin-top: 14px; padding: 10px 12px; border-radius: 10px; background: rgba(255, 93, 108, .12); border: 1px solid rgba(255, 93, 108, .35); color: #ffc2c8; }
.banner { margin: 0 24px 16px; }

.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding: 14px 24px; background: rgba(26, 26, 26, .94); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); margin-bottom: 16px;
}
.stats { display: flex; gap: 28px; flex: 1; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
.stat-value { font-family: var(--mono); font-weight: 600; font-size: 15px; }
.top-actions { display: flex; gap: 8px; }

.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--panel-2); border: 1px solid var(--line); width: fit-content; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.pill.ok { color: var(--green); border-color: rgba(47, 209, 139, .35); background: rgba(47, 209, 139, .08); }
.pill.ok::before { background: var(--green); box-shadow: 0 0 10px var(--green); }
.pill.bad { color: var(--red); border-color: rgba(255, 93, 108, .35); background: rgba(255, 93, 108, .08); }
.pill.bad::before { background: var(--red); }
.pill.warn { color: var(--amber); border-color: rgba(255, 181, 71, .35); background: rgba(255, 181, 71, .08); }
.pill.warn::before { background: var(--amber); }
.pill.info { color: var(--accent); border-color: rgba(196, 255, 0, .35); background: rgba(196, 255, 0, .08); }
.pill.info::before { background: var(--accent); }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding: 0 24px 32px; }
.span-2 { grid-column: span 2; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.card-head h2 { margin: 0; font-size: 14px; letter-spacing: .3px; }
.card-actions { display: flex; gap: 8px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; font-weight: 600; text-align: left; background: rgba(255, 255, 255, .015); }
tbody tr:hover { background: rgba(255, 255, 255, .02); }
tbody tr:last-child td { border-bottom: 0; }
td.symbol { font-weight: 700; letter-spacing: .3px; }
td.actions { text-align: right; }
td.actions .btn + .btn { margin-left: 6px; }
.empty { color: var(--muted); text-align: center; padding: 22px; }

.events { list-style: none; margin: 0; padding: 6px 0; max-height: 260px; overflow-y: auto; }
.events li { display: flex; gap: 14px; padding: 7px 18px; border-bottom: 1px dashed rgba(255, 255, 255, .04); }
.events time { color: var(--muted); font-family: var(--mono); font-size: 12px; flex: none; }

.modal { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; background: rgba(3, 5, 10, .65); backdrop-filter: blur(4px); padding: 20px; }
.modal-card { width: 100%; max-width: 440px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; box-shadow: 0 30px 90px rgba(0, 0, 0, .55); }
.modal-card h3 { margin: 0 0 10px; font-size: 17px; }
.modal-body { color: #c9cfdd; }
.modal-body .choice { display: flex; gap: 10px; margin-top: 14px; }
.modal-body .choice .btn { flex: 1; }
.modal-body .choice .btn.selected { border-color: var(--accent); background: rgba(196, 255, 0, .14); color: var(--accent); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin-top: 12px; font-family: var(--mono); }
.kv span:nth-child(odd) { color: var(--muted); font-family: inherit; }

.toasts { position: fixed; right: 18px; bottom: 18px; z-index: 30; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 10px 14px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(0, 0, 0, .4); max-width: 360px; animation: rise .2s ease-out; }
.toast.error { border-color: rgba(255, 93, 108, .5); }
.toast.ok { border-color: rgba(47, 209, 139, .5); }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; padding: 0 12px 24px; }
  .span-2 { grid-column: span 1; }
  .topbar { padding: 12px; gap: 14px; }
  .stats { gap: 16px; }
  .banner { margin: 0 12px 12px; }
}