:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --fg: #e8e8ec;
  --border: rgba(148, 148, 168, 0.35);
  --accent: #5c7cfa;
  --active: #2b8a3e;
  --pending: #e8a33d;
  --danger: #e03131;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6fa;
    --fg: #1a1b2e;
    --border: rgba(60, 60, 90, 0.2);
  }
}

* { box-sizing: border-box; }

button { cursor: pointer; }
button:disabled { cursor: default; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.4;
}

.page { max-width: 480px; margin: 0 auto; padding: 0 0 24px; }

.cap-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(135deg, #3b5bdb, #5c7cfa);
  color: #fff;
  padding: 14px 16px;
}
.cap-bar .label { font-size: 11px; opacity: .85; text-transform: uppercase; letter-spacing: .04em; }
.cap-bar .value { font-size: 24px; font-weight: 700; margin-top: 2px; }
.cap-bar .sub { font-size: 12px; opacity: .9; margin-top: 4px; }

.stale-banner {
  background: var(--pending);
  color: #402e00;
  font-size: 13px;
  padding: 6px 16px;
  text-align: center;
}
.stale-banner[hidden] { display: none; }

.tabs { display: flex; border-bottom: 1px solid var(--border); margin: 12px 16px 0; }
.tab {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  font-size: 14px;
  font-weight: 600;
  opacity: .55;
  background: none;
  border: none;
  color: inherit;
  min-height: 44px;
}
.tab.on { opacity: 1; border-bottom: 2px solid var(--accent); }

.cards { padding: 12px 16px; display: flex; flex-direction: column; gap: 10px; }
.cards[hidden] { display: none; }

.pos-card { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.pos-card .row1 { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.pos-card .instrument { font-weight: 700; font-size: 15px; }
.pos-card .row2, .pos-card .row3 {
  display: flex; justify-content: space-between; margin-top: 6px; font-size: 12px; opacity: .8;
}
.pos-card .pnl-pos { color: var(--active); font-weight: 600; }
.pos-card .pnl-neg { color: var(--danger); font-weight: 600; }

.badge {
  display: inline-block; font-size: 10px; font-weight: 700; padding: 2px 7px;
  border-radius: 999px; text-transform: uppercase; letter-spacing: .03em;
}
.badge.active { background: var(--active); color: #fff; }
.badge.pending { background: var(--pending); color: #402e00; }
.badge.unlinked { background: var(--border); color: inherit; }

.empty-state { padding: 24px 16px; text-align: center; opacity: .6; font-size: 14px; }

.live-toggle {
  display: flex; align-items: center; gap: 8px; padding: 8px 16px; font-size: 13px; opacity: .8;
}
.live-toggle button {
  min-height: 32px; min-width: 44px; border-radius: 999px; border: 1px solid var(--border);
  background: none; color: inherit; font-size: 12px;
}

form.login-form { display: flex; flex-direction: column; gap: 12px; padding: 24px 16px; max-width: 360px; margin: 10vh auto 0; }
form.login-form input, form.login-form button {
  font-size: 16px; padding: 12px; border-radius: 8px; border: 1px solid var(--border);
  min-height: 44px;
}
form.login-form button { background: var(--accent); color: #fff; border: none; font-weight: 600; }
.login-error { color: var(--danger); font-size: 14px; padding: 0 16px; }

.admin-nav { display: flex; gap: 4px; padding: 0 16px; margin-top: 8px; }
.admin-nav a {
  flex: 1; text-align: center; padding: 10px 0; font-size: 14px; font-weight: 600;
  text-decoration: none; color: inherit; opacity: .55; border-bottom: 2px solid transparent;
  min-height: 44px; display: flex; align-items: center; justify-content: center;
}
.admin-nav a.on { opacity: 1; border-bottom-color: var(--accent); }

.range-selector { display: flex; gap: 8px; padding: 12px 16px 0; }
.range-selector a {
  flex: 1; text-align: center; padding: 10px 0; font-size: 13px; font-weight: 600;
  text-decoration: none; color: inherit; border: 1px solid var(--border); border-radius: 8px;
  min-height: 44px; display: flex; align-items: center; justify-content: center;
}
.range-selector a.on { background: var(--accent); color: #fff; border-color: var(--accent); }