:root {
  --bg: #f6f7f8;
  --fg: #1a1a1a;
  --muted: #777;
  --card: #fff;
  --border: #e2e4e7;
  --accent: #3b82f6;
  --accent-fg: #fff;
  --error: #c0392b;
  --shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
}
html.dark {
  --bg: #0d1117;
  --fg: #e6edf3;
  --muted: #8b949e;
  --card: #161b22;
  --border: #30363d;
  --accent: #58a6ff;
  --accent-fg: #0d1117;
  --error: #f85149;
  --shadow: 0 1px 3px rgba(0,0,0,0.4), 0 4px 12px rgba(0,0,0,0.5);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--fg);
  display: grid;
  place-items: center;
  min-height: 100vh;
}
.auth-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 32px;
  width: 360px;
  box-shadow: var(--shadow);
}
.brand-toggle {
  background: transparent;
  border: 0;
  color: var(--fg);
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.2px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.brand-toggle .i { fill: currentColor; stroke: currentColor; }
.muted { color: var(--muted); font-size: 13px; margin: 6px 0 18px; }
form label {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--muted);
}
form input {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  font-size: 15px;
}
form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
form button[type=submit] {
  width: 100%;
  padding: 11px;
  margin-top: 8px;
  background: var(--accent);
  color: var(--accent-fg);
  border: 0;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
form button[type=submit]:hover { filter: brightness(1.05); }
.err { color: var(--error); font-size: 13px; margin-top: 10px; min-height: 1em; text-align: center; }
.site-footer {
  position: fixed;
  bottom: 12px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}
.site-footer a { color: inherit; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-row { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.footer-row .sep { opacity: 0.5; }

/* Dashboard layout */
body.dash {
  display: block;
  place-items: initial;
  padding: 24px 32px 60px;
  min-height: 100vh;
}
.dash-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  margin-bottom: 24px;
}
.dash-header .brand-toggle { justify-self: center; }
.dash-header .dash-actions { justify-self: end; display: flex; gap: 8px; align-items: center; }
.dash-title {
  font-size: 24px;
  font-weight: 700;
}
.btn {
  background: var(--accent);
  color: var(--accent-fg);
  padding: 8px 14px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--fg); }

.stat-row { display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.stat-card {
  position: relative;
  background: transparent;
  border: 0;
  padding: 16px 22px;
  min-width: 160px;
  color: var(--fg);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: color .15s;
}
.stat-card::before, .stat-card::after,
.stat-card > i::before, .stat-card > i::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  border: 1.5px solid var(--muted);
  opacity: 0.5;
  transition: opacity .15s, border-color .15s, border-width .15s;
}
.stat-card > i { display: inline; position: static; font-style: normal; }
.stat-card::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.stat-card::after  { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.stat-card > i::before { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.stat-card > i::after  { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.stat-card:hover::before, .stat-card:hover::after,
.stat-card:hover > i::before, .stat-card:hover > i::after { opacity: 1; }
.stat-card.active { color: var(--accent); }
.stat-card.active::before, .stat-card.active::after,
.stat-card.active > i::before, .stat-card.active > i::after {
  opacity: 1; border-color: var(--accent); border-width: 2px;
}
.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card.active .stat-label { color: var(--accent); }
.stat-value { font-size: 26px; font-weight: 700; margin-top: 6px; font-variant-numeric: tabular-nums; }
.stat-value.dim { color: var(--muted); }

table.stocks {
  width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--border); border-radius: 10px; overflow: hidden;
}
table.stocks th, table.stocks td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
table.stocks th { background: var(--bg); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
table.stocks tr:last-child td { border-bottom: 0; }
table.stocks td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.stocks tr.zero { color: var(--muted); }
.cached-at { color: var(--muted); font-size: 12px; margin-top: 6px; }

.promo-badge {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border: 1px solid;
  border-radius: 5px;
  background: transparent;
  margin: 1px 3px 1px 0;
  cursor: pointer;
  padding: 0;
  transition: transform .1s, background .1s;
}
.promo-badge:hover { transform: scale(1.12); }
.promo-badge .i-chip {
  width: 13px; height: 13px;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}

/* dialog */
.promo-dialog {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--fg);
  padding: 0;
  min-width: 360px; max-width: 520px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.promo-dialog::backdrop { background: rgba(0,0,0,0.45); }
.promo-dialog-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 18px 22px 10px; border-bottom: 1px solid var(--border);
}
.promo-dialog-head h3 { margin: 0; font-size: 16px; font-weight: 600; line-height: 1.35; }
.dialog-close {
  border: 0; background: transparent; color: var(--muted);
  font-size: 22px; line-height: 1; cursor: pointer; padding: 0 4px;
}
.dialog-close:hover { color: var(--fg); }
#promo-dialog-body { padding: 14px 22px 20px; font-size: 14px; }
#promo-dialog-body .kv {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 7px 0; border-bottom: 1px dashed var(--border);
}
#promo-dialog-body .kv:last-child { border-bottom: 0; }
#promo-dialog-body .kv span { color: var(--muted); }