/* Dark theme is the default; [data-theme="light"] switches to light (toggle in the header). */
:root {
    color-scheme: dark;
    --bg: #0b0e11; --card: #161a1e; --text: #eaecef; --muted: #848e9c; --line: #2b3139;
    --accent: #f0b90b; --pos: #0ecb81; --neg: #f6465d; --warn: #f0a020; --chip: #1e2329;
}
:root[data-theme="light"] {
    color-scheme: light;
    --bg: #f5f6f8; --card: #fff; --text: #1c2026; --muted: #6b7280; --line: #e5e7eb;
    --accent: #c99400; --pos: #0e9f6e; --neg: #e02424; --warn: #b45309; --chip: #f1f2f4;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
header { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
         padding: 14px 20px; background: var(--card); border-bottom: 1px solid var(--line); }
header h1 { margin: 0; font-size: 18px; }
header h1 span { color: var(--accent); }
nav a { margin-left: 14px; text-decoration: none; color: var(--muted); font-weight: 500; }
nav a.active { color: var(--text); }
main { max-width: 1200px; margin: 0 auto; padding: 18px 16px 40px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-bottom: 16px; }
.grid .card { margin: 0; }
.card h2 { margin: 0 0 10px; font-size: 15px; display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.big { font-size: 22px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.small { font-size: 12px; color: var(--muted); }
.pos { color: var(--pos); } .neg { color: var(--neg); } .warn { color: var(--warn); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; font-size: 12px; }
td.wrap { white-space: pre-line; font-size: 12px; color: var(--muted); min-width: 260px; }
.chip { display: inline-block; padding: 1px 8px; border-radius: 99px; background: var(--chip); font-size: 12px; font-weight: 600; }
.chip.BUY, .chip.on { background: rgba(14,159,110,.15); color: var(--pos); }
.chip.REJECT, .chip.off { background: rgba(224,36,36,.12); color: var(--neg); }
.chip.WEAK { color: var(--muted); }
.chip.live { background: rgba(224,36,36,.15); color: var(--neg); }
.chip.paper { background: rgba(201,148,0,.15); color: var(--accent); }
button, .btn { font: inherit; padding: 6px 12px; border-radius: 6px; border: 1px solid var(--line); background: var(--chip); color: var(--text); cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #111; font-weight: 600; }
button.danger { background: var(--neg); border-color: var(--neg); color: #fff; }
form.inline { display: inline; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.flash { padding: 10px 14px; border-radius: 8px; background: rgba(201,148,0,.15); margin-bottom: 14px; }
.log { font-family: ui-monospace, Consolas, monospace; font-size: 12px; max-height: 340px; overflow: auto; }
.log div { padding: 2px 0; border-bottom: 1px dashed var(--line); white-space: pre-wrap; }
.log .error { color: var(--neg); } .log .warn { color: var(--warn); } .log .trade { color: var(--pos); font-weight: 600; }
.flash.error { background: rgba(224,36,36,.12); color: var(--neg); }
button.link { background: none; border: 0; padding: 0; margin-left: 14px; color: var(--muted); font-weight: 500; }
button.link:hover { color: var(--text); }
nav { display: flex; align-items: center; flex-wrap: wrap; }

/* Login */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-box { width: 100%; max-width: 360px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 28px 24px; margin: 0; }
.login-box h1 { margin: 0; font-size: 24px; }
.login-box h1 span { color: var(--accent); }
.login-box p.small { margin: 4px 0 20px; }
.login-box label { display: block; font-size: 13px; font-weight: 500; margin: 14px 0 6px; }
.login-box input { width: 100%; font: inherit; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
.login-box input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.login-box button { width: 100%; margin-top: 20px; padding: 10px; font-size: 15px; }
.login-box code { font-family: ui-monospace, Consolas, monospace; }
.login-box code.secret { display: inline-block; margin-top: 4px; padding: 6px 8px; border-radius: 6px; background: var(--chip); font-size: 15px; letter-spacing: .05em; word-break: break-all; user-select: all; }
.card.narrow { max-width: 520px; }
.card.real { border-left: 4px solid var(--neg); }
.wallet-totals { margin: 4px 0 10px; }
td.advice { white-space: normal; min-width: 220px; }
.updates { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 12px 0 4px; padding: 8px 12px; border-radius: 8px; background: var(--chip); font-size: 13px; }
.updates b[data-countdown] { color: var(--accent); font-variant-numeric: tabular-nums; }
td.advice .small { margin-top: 3px; }
.card code.secret { display: inline-block; margin-top: 4px; padding: 6px 8px; border-radius: 6px; background: var(--chip); font-family: ui-monospace, Consolas, monospace; font-size: 15px; word-break: break-all; user-select: all; }
form.stack label { display: block; font-size: 13px; font-weight: 500; margin: 12px 0 6px; }
form.stack input { width: 100%; font: inherit; padding: 8px 10px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
form.stack button { margin-top: 16px; }
.skip-form { text-align: center; }
.skip-form button.link { width: auto; margin: 14px 0 0; padding: 0; font-size: 13px; text-decoration: underline; }
.flash.warn { background: rgba(180,83,9,.14); }
.setup-steps { padding-left: 20px; margin: 0 0 6px; }
.setup-steps li { margin-bottom: 8px; }

.settings-group { margin-bottom: 8px; }
.field { display: grid; grid-template-columns: 260px 160px 1fr; gap: 12px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); }
.field input, .field select { font: inherit; padding: 6px 8px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg); color: var(--text); width: 100%; }
@media (max-width: 700px) {
    .field { grid-template-columns: 1fr; gap: 4px; }
    header { padding: 12px 16px; }
    nav a { margin: 0 14px 0 0; }
}