:root {
  color-scheme: dark light;
  --bg: #0f1412;
  --panel: #171f1c;
  --card: #1d2824;
  --text: #eef6f1;
  --muted: #9cadad;
  --line: #30413a;
  --accent: #7cc7a0;
  --accent-strong: #9edec0;
  --accent-text: #07110d;
  --input-bg: #1b2420;
  --nav-active: #1d2824;
  --focus: #9edec0;
  --danger: #ff8f8f;
  --gain: #62d394;
  --loss: #ff9a8a;
  --shadow: 0 16px 40px rgba(0,0,0,.22);
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f3ef;
  --panel: #ffffff;
  --card: #f8faf7;
  --text: #17201d;
  --muted: #65746e;
  --line: #dce4de;
  --accent: #256f54;
  --accent-strong: #174a38;
  --accent-text: #ffffff;
  --input-bg: #fbfdfb;
  --nav-active: #edf2ee;
  --focus: #256f54;
  --danger: #a93131;
  --gain: #167a48;
  --loss: #bd3d2f;
  --shadow: 0 16px 40px rgba(18,35,29,.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--accent-strong); text-underline-offset: 3px; }
.skip { position: absolute; left: -999px; top: 0; }
.skip:focus { left: 1rem; z-index: 10; background: var(--panel); padding: .7rem; }
:focus { outline: none; }
:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus), transparent 35%);
  outline-offset: 3px;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 240px;
  padding: 24px 18px;
  background: color-mix(in srgb, var(--panel), var(--bg) 20%);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.brand span { display: block; font-size: 1.3rem; font-weight: 750; }
.brand small, .muted, .eyebrow { color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: 0; font-size: .75rem; font-weight: 700; margin: 0 0 .2rem; }
nav { display: grid; gap: 6px; }
nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
}
nav a[aria-current="page"], nav a:hover { color: var(--text); background: var(--nav-active); }
.sidebar-foot { margin-top: auto; display: grid; gap: 10px; font-size: .9rem; }

.content { margin-left: 240px; padding: 28px; max-width: 1480px; }
.risk-banner, .alert {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 18px;
}
.alert.success { border-color: var(--gain); }
.alert.danger { border-color: var(--danger); color: var(--danger); }
.page-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 10px 0 22px;
}
h1, h2 { margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(2rem, 3vw, 3.2rem); line-height: 1.05; }
h2 { font-size: 1.05rem; }

.grid { display: grid; gap: 16px; }
.cards { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.card { padding: 18px; }
.card span { display: block; color: var(--muted); font-size: .88rem; }
.card strong { display: block; margin-top: 8px; font-size: 1.65rem; }
.card.gain strong, .gain-text { color: var(--gain); }
.card.loss strong, .loss-text { color: var(--loss); }
.panel { padding: 18px; margin-bottom: 18px; overflow-x: auto; }
.panel-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 12px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { padding: 10px 9px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: 0; }
tr:hover td { background: color-mix(in srgb, var(--card), transparent 38%); }

button, .primary, input, select {
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--input-bg);
  color: var(--text);
  padding: 9px 12px;
  font: inherit;
}
button, .primary {
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
}
.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
button:disabled, .primary:disabled {
  cursor: wait;
  opacity: .72;
}
.is-loading button:disabled {
  position: relative;
  padding-left: 36px;
}
.is-loading button:disabled::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 50%;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
.async-status {
  grid-column: 1 / -1;
  min-height: 1.3rem;
  color: var(--muted);
  font-size: .88rem;
  font-weight: 650;
}
.async-status.success { color: var(--gain); }
.async-status.error { color: var(--danger); }
.async-status.loading { color: var(--muted); }
@keyframes spin { to { transform: rotate(360deg); } }
.ghost { background: transparent; }
.danger-button { color: var(--danger); }
label { display: grid; gap: 6px; color: color-mix(in srgb, var(--text), var(--muted) 45%); font-size: .9rem; font-weight: 650; }
label input { color: var(--text); }
.toggle-control {
  align-items: center;
  background: var(--input-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  display: inline-flex;
  gap: 10px;
  min-height: 42px;
  padding: 9px 12px;
}
.toggle-control input {
  accent-color: var(--accent);
  height: 18px;
  margin: 0;
  width: 18px;
}
.field-help {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 500;
  line-height: 1.25;
  margin-top: -1px;
}
.run-details {
  color: var(--muted);
  font-size: .88rem;
  margin: 0 0 16px;
}
.run-details summary {
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}
.preset-bar {
  align-items: end;
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr minmax(200px, 300px) minmax(200px, 300px);
  margin-bottom: 12px;
}
.preset-bar h2 { margin-bottom: 4px; }
.preset-select { margin: 0; }
.preset-notes {
  color: var(--muted);
  font-size: .88rem;
  font-weight: 600;
  margin: 0 0 18px;
  min-height: 1.2rem;
}
.form-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: 14px; row-gap: 22px; align-items: end; }
.form-grid.wide { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.inline-form { display: inline-block; margin-top: 14px; }

.pill {
  display: inline-flex;
  align-items: center;
  min-width: 58px;
  justify-content: center;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 800;
}
.pill.buy { background: color-mix(in srgb, var(--gain), transparent 78%); color: var(--gain); }
.pill.sell { background: color-mix(in srgb, var(--loss), transparent 78%); color: var(--loss); }
.pill.hold { background: color-mix(in srgb, var(--muted), transparent 78%); color: var(--muted); }
.actions, .links { display: flex; flex-wrap: wrap; gap: 12px; }
.links a, .actions a { padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; }
.search { width: min(100%, 360px); margin-bottom: 12px; }
code { display: block; white-space: normal; overflow-wrap: anywhere; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px; }
canvas { max-height: 360px; margin: 10px 0 16px; }

.auth-page { display: grid; place-items: center; padding: 20px; }
.auth-card {
  width: min(100%, 420px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 28px;
}
.auth-card form { display: grid; gap: 14px; margin-top: 20px; }

@media (max-width: 980px) {
  .sidebar { position: static; width: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .content { margin-left: 0; padding: 18px; }
  nav { grid-template-columns: repeat(3, 1fr); }
  .cards, .two-col, .form-grid, .form-grid.wide, .preset-bar { grid-template-columns: 1fr; }
  .page-head { align-items: stretch; flex-direction: column; }
}