@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&display=swap');

/* ============================================================= design tokens
   Light theme · Minimalism / Swiss · professional fintech admin.
   Green = up / buy, Red = down / sell (finance convention). */
:root {
  --color-primary: #2563eb;
  --color-primary-strong: #1d4ed8;
  --color-on-primary: #ffffff;
  --color-primary-soft: #eff4ff;

  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-surface-2: #f2f4f7;
  --color-surface-3: #e9edf2;

  --color-fg: #101828;
  --color-fg-soft: #344054;
  --color-muted-fg: #667085;

  --color-border: #e4e7ec;
  --color-border-strong: #d0d5dd;

  --color-danger: #d92d20;
  --color-danger-bg: #fef3f2;
  --color-warn: #b54708;
  --color-warn-bg: #fffaeb;
  --color-info: #175cd3;

  --color-pos: #067647;
  --color-pos-bg: #ecfdf3;
  --color-neg: #d92d20;
  --color-neg-bg: #fef3f2;

  --ring: 0 0 0 3px rgba(37, 99, 235, .28);

  --space-xs: 2px; --space-sm: 4px; --space-md: 8px; --space-lg: 12px;
  --space-xl: 16px; --space-2xl: 24px; --space-3xl: 32px;

  --radius-sm: 6px; --radius: 10px; --radius-lg: 14px;
  --shadow-xs: 0 1px 2px rgba(16, 24, 40, .05);
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .04);
  --shadow-md: 0 4px 8px -2px rgba(16, 24, 40, .10), 0 2px 4px -2px rgba(16, 24, 40, .06);
  --shadow-lg: 0 12px 16px -4px rgba(16, 24, 40, .10), 0 4px 6px -2px rgba(16, 24, 40, .05);

  --font-body: 'Fira Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono: 'Fira Code', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sidebar-w: 248px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-body); font-weight: 600; line-height: 1.25; margin: 0 0 var(--space-md); letter-spacing: -.012em; color: var(--color-fg); }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
p { margin: 0 0 var(--space-lg); }
code, kbd, .mono, .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: var(--radius-sm); }

.num { font-variant-numeric: tabular-nums; }
.pos { color: var(--color-pos); }
.neg { color: var(--color-neg); }
.flat { color: var(--color-muted-fg); }
.muted { color: var(--color-muted-fg); }
.small { font-size: .82rem; }
.nowrap { white-space: nowrap; }
.stack > * + * { margin-top: var(--space-lg); }
.row { display: flex; gap: var(--space-md); align-items: center; }
.row.wrap { flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: var(--space-lg); }
.grow { flex: 1; }
.hidden { display: none !important; }

/* ============================================================= app shell */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100dvh;
}
.sidebar {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-2xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  position: sticky;
  top: 0;
  height: 100dvh;
}
.brand { display: flex; align-items: center; gap: var(--space-md); font-weight: 700; font-size: 1.05rem; color: var(--color-fg); }
.brand .logo {
  width: 27px; height: 27px; border-radius: 7px;
  background: var(--color-primary);
  display: grid; place-items: center; color: #fff;
}
.nav { display: flex; flex-direction: column; gap: var(--space-xs); }
.nav a {
  display: flex; align-items: center; gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-sm);
  color: var(--color-fg-soft);
  font-weight: 500;
  transition: background .16s ease, color .16s ease;
}
.nav a:hover { background: var(--color-surface-2); color: var(--color-fg); text-decoration: none; }
.nav a.active { background: var(--color-primary-soft); color: var(--color-primary-strong); }
.nav a svg { width: 18px; height: 18px; flex: none; }
.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; gap: var(--space-md); padding-top: var(--space-lg); border-top: 1px solid var(--color-border); }
.userchip { display: flex; align-items: center; gap: var(--space-md); font-size: .85rem; color: var(--color-muted-fg); border-radius: var(--radius-sm); padding: var(--space-xs); margin: calc(var(--space-xs) * -1); transition: background .12s ease; }
.userchip:hover { background: var(--color-surface-2); color: var(--color-fg); }
.userchip .avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--color-primary-soft);
  display: grid; place-items: center; color: var(--color-primary-strong); font-weight: 700; overflow: hidden;
}

.main { padding: var(--space-2xl) var(--space-3xl); max-width: 1200px; width: 100%; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-lg); margin-bottom: var(--space-2xl); flex-wrap: wrap; }
.page-head p { margin: var(--space-xs) 0 0; color: var(--color-muted-fg); }

.topbar { display: none; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; z-index: 60; width: 82vw; max-width: 300px;
    transform: translateX(-100%); transition: transform .22s ease; box-shadow: var(--shadow-lg);
  }
  .app.nav-open .sidebar { transform: translateX(0); }
  .app.nav-open::after {
    content: ""; position: fixed; inset: 0; background: rgba(16, 24, 40, .35); z-index: 55;
  }
  .topbar {
    display: flex; align-items: center; gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 40;
    background: var(--color-surface);
  }
  .main { padding: var(--space-xl) var(--space-lg); }
}

/* ============================================================= buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: .9rem;
  cursor: pointer;
  transition: background .16s ease, border-color .16s ease, box-shadow .16s ease, color .16s ease;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); box-shadow: var(--shadow-xs); }
.btn-primary:hover { background: var(--color-primary-strong); }
.btn-ghost { background: var(--color-surface); color: var(--color-fg); border-color: var(--color-border-strong); box-shadow: var(--shadow-xs); }
.btn-ghost:hover { background: var(--color-surface-2); }
.btn-subtle { background: var(--color-surface-2); color: var(--color-fg); }
.btn-subtle:hover { background: var(--color-surface-3); }
.btn-danger { background: var(--color-surface); color: var(--color-danger); border-color: #f2b8b1; box-shadow: var(--shadow-xs); }
.btn-danger:hover { background: var(--color-danger-bg); }
.btn-sm { padding: 5px 10px; font-size: .8rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-block { width: 100%; }

/* ============================================================= cards / panels */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-xs);
}
.card + .card { margin-top: var(--space-xl); }
.card h2, .card h3 { margin-top: 0; }
.panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-lg); box-shadow: var(--shadow-xs); }

.grid { display: grid; gap: var(--space-xl); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 820px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } }

.stat { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-lg) var(--space-xl); box-shadow: var(--shadow-xs); }
.stat .label { color: var(--color-muted-fg); font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.stat .value { font-family: var(--font-mono); font-size: 1.4rem; font-weight: 600; margin-top: var(--space-xs); font-variant-numeric: tabular-nums; color: var(--color-fg); }

/* ============================================================= badges */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  padding: 2px 8px; border-radius: 999px;
  font-size: .72rem; font-weight: 600; letter-spacing: .03em; text-transform: uppercase;
  border: 1px solid var(--color-border-strong); color: var(--color-muted-fg); background: var(--color-surface-2);
}
.badge.live { background: var(--color-pos-bg); color: var(--color-pos); border-color: #a6f4c5; }
.badge.draft { background: var(--color-surface-2); color: var(--color-muted-fg); }
.badge.stopped { background: var(--color-danger-bg); color: var(--color-danger); border-color: #f2b8b1; }
.badge.warn { background: var(--color-warn-bg); color: var(--color-warn); border-color: #fedf89; }
.badge.info { background: var(--color-primary-soft); color: var(--color-primary-strong); border-color: #d6e4ff; }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.live .dot { animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

/* priority: low=muted, medium=info(blue), high=warn(orange), critical=danger(red) */
.badge.priority-low { background: var(--color-surface-2); color: var(--color-muted-fg); }
.badge.priority-medium { background: var(--color-primary-soft); color: var(--color-primary-strong); border-color: #d6e4ff; }
.badge.priority-high { background: var(--color-warn-bg); color: var(--color-warn); border-color: #fedf89; }
.badge.priority-critical { background: var(--color-danger-bg); color: var(--color-danger); border-color: #f2b8b1; }

/* ============================================================= ticket activity timeline */
.ticket-info { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--space-lg); }
.ticket-info dt { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--color-muted-fg); margin-bottom: 2px; }
.ticket-info dd { margin: 0; font-weight: 500; }
.timeline { position: relative; }
.timeline-item { position: relative; padding-left: var(--space-xl); padding-bottom: var(--space-lg); border-left: 2px solid var(--color-border); margin-left: 6px; }
.timeline-item:last-child { border-color: transparent; padding-bottom: 0; }
.timeline-item::before { content: ""; position: absolute; left: -7px; top: 2px; width: 12px; height: 12px; border-radius: 50%; background: var(--color-surface); border: 2px solid var(--color-primary); }
.timeline-item.is-system::before { background: var(--color-muted-fg); border-color: var(--color-muted-fg); width: 8px; height: 8px; left: -5px; top: 5px; }
.timeline-item.is-system .timeline-body { color: var(--color-muted-fg); font-size: .82rem; font-style: italic; }

/* ============================================================= forms */
label { display: block; font-size: .82rem; font-weight: 500; margin-bottom: var(--space-sm); color: var(--color-fg-soft); }
.field { margin-bottom: var(--space-lg); }
.field .hint { font-size: .78rem; color: var(--color-muted-fg); margin-top: var(--space-xs); }
.field .err { font-size: .78rem; color: var(--color-danger); margin-top: var(--space-xs); }
.info-tip { display: inline-flex; vertical-align: -3px; color: var(--color-muted-fg); cursor: help; }
.info-tip:hover { color: var(--color-fg); }
label .info-tip { margin-left: var(--space-xs); }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-fg);
  font: inherit;
  font-size: 15px;
  box-shadow: var(--shadow-xs);
  transition: border-color .16s ease, box-shadow .16s ease;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--ring); }
input::placeholder { color: #98a2b3; }
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--color-danger); }
input:disabled, select:disabled, textarea:disabled { background: var(--color-surface-2); color: var(--color-muted-fg); cursor: not-allowed; box-shadow: none; }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23667085' stroke-width='2'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 32px; }
.checkbox { display: flex; align-items: center; gap: var(--space-md); }
.checkbox input { width: auto; accent-color: var(--color-primary); }

/* ---- field tags: small REQUIRED / LIVE pills next to a label ---- */
.field-label-row { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-md); margin-bottom: var(--space-sm); }
.field-label-row label { margin-bottom: 0; }
.field-tag { font-size: .66rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; padding: 2px 8px; border-radius: 999px; border: 1px solid transparent; white-space: nowrap; }
.field-tag.required { color: var(--color-danger); background: var(--color-danger-bg); border-color: #f2b8b1; }
.field-tag.live { color: var(--color-pos); background: var(--color-pos-bg); border-color: #a6f4c5; }

/* ---- priority picker: a segmented pill radio-group, colored by choice ---- */
.priority-picker { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.priority-option { position: relative; }
.priority-option input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.priority-option label {
  display: inline-flex; align-items: center; margin: 0; padding: var(--space-md) var(--space-lg);
  border-radius: 999px; border: 1px solid var(--color-border-strong); background: var(--color-surface);
  color: var(--color-muted-fg); font-size: .82rem; font-weight: 600; cursor: pointer;
  transition: background .12s ease, color .12s ease, border-color .12s ease;
}
.priority-option label:hover { background: var(--color-surface-2); }
.priority-option input:focus-visible + label { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.priority-option.priority-low input:checked + label { background: var(--color-surface-2); color: var(--color-fg); border-color: var(--color-border-strong); }
.priority-option.priority-medium input:checked + label { background: var(--color-primary-soft); color: var(--color-primary-strong); border-color: #d6e4ff; }
.priority-option.priority-high input:checked + label { background: var(--color-warn-bg); color: var(--color-warn); border-color: #fedf89; }
.priority-option.priority-critical input:checked + label { background: var(--color-danger-bg); color: var(--color-danger); border-color: #f2b8b1; }

/* ---- diagnostic log console: a dark code panel inside the light-themed form ---- */
.diag-panel { background: #0b1220; border: 1px solid #1f2a3d; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-xs); }
.diag-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); padding: var(--space-sm) var(--space-md); background: #0f1829; border-bottom: 1px solid #1f2a3d; flex-wrap: wrap; }
.diag-toolbar .diag-label { display: flex; align-items: center; gap: 6px; color: #7d8ba3; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; }
.diag-toolbar .diag-actions { display: flex; gap: var(--space-sm); }
.diag-toolbar button { background: #16213a; border: 1px solid #29385a; color: #8fb4ff; font-size: .76rem; font-weight: 500; padding: 5px 11px; border-radius: 6px; cursor: pointer; font-family: var(--font-body); transition: background .12s ease; }
.diag-toolbar button:hover { background: #1d2c4d; }
.diag-panel textarea {
  display: block; width: 100%; background: transparent; border: none; color: #d4dce8;
  font-family: var(--font-mono); font-size: .82rem; line-height: 1.65; padding: var(--space-lg);
  resize: vertical; min-height: 180px; box-shadow: none;
}
.diag-panel textarea:focus { outline: none; box-shadow: none; }
.diag-panel textarea::placeholder { color: #4b5972; }


/* ---- telemetry checkbox callout ---- */
.telemetry-row { display: flex; gap: var(--space-md); align-items: flex-start; padding: var(--space-lg); border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface-2); }
.telemetry-row input { width: auto; accent-color: var(--color-primary); margin-top: 3px; flex: none; }
.telemetry-row .telemetry-copy strong { display: block; font-size: .88rem; color: var(--color-fg); }
.telemetry-row .telemetry-copy span { font-size: .8rem; color: var(--color-muted-fg); }

/* ---- profile page: hero + sectioned settings cards ---- */
.profile-hero { display: flex; align-items: center; gap: var(--space-xl); flex-wrap: wrap; }
.profile-hero .avatar { width: 64px; height: 64px; font-size: 1.4rem; flex: none; }
.profile-hero .contact-line { display: flex; gap: var(--space-lg); flex-wrap: wrap; margin-top: var(--space-sm); font-size: .85rem; color: var(--color-muted-fg); }
.profile-hero .contact-line span { display: inline-flex; align-items: center; gap: 6px; }

.settings-section-head { display: flex; align-items: flex-start; gap: var(--space-lg); margin-bottom: var(--space-xl); }
.settings-section-head .icon-badge {
  flex: none; width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--color-primary-soft); color: var(--color-primary-strong); display: grid; place-items: center;
}
.settings-section-head .grow h2 { margin: 0 0 2px; font-size: 1.02rem; }
.settings-section-head .grow p { margin: 0; font-size: .82rem; color: var(--color-muted-fg); }

.settings-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); padding: var(--space-lg) 0; border-top: 1px solid var(--color-border); flex-wrap: wrap; }
.settings-row:first-of-type { border-top: none; padding-top: 0; }
.settings-row .settings-row-title { font-weight: 600; font-size: .92rem; display: flex; align-items: center; gap: var(--space-sm); }
.settings-row .settings-row-desc { font-size: .82rem; color: var(--color-muted-fg); margin-top: 2px; max-width: 46ch; }

.broker-account-row { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-lg) 0; border-top: 1px solid var(--color-border); }
.broker-account-row:first-of-type { border-top: none; padding-top: 0; }
.broker-account-row .broker-mark {
  flex: none; width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--color-surface-2); color: var(--color-fg-soft); display: grid; place-items: center;
  font-weight: 700; font-size: .76rem; letter-spacing: .02em;
}
.broker-account-row .grow { flex: 1; min-width: 0; }
.broker-account-row .name-row { display: flex; align-items: center; gap: var(--space-sm); flex-wrap: wrap; }
.broker-account-row .meta { font-size: .8rem; color: var(--color-muted-fg); margin-top: 2px; }

/* ============================================================= tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); }
table.data { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.data th, table.data td { text-align: left; padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--color-border); }
table.data th { color: var(--color-muted-fg); font-weight: 600; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; background: var(--color-surface-2); }
table.data tr:last-child td { border-bottom: none; }
table.data td.num, table.data th.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
table.data tbody tr:hover { background: var(--color-surface-2); }

/* ============================================================= flash toasts */
.flashes { position: fixed; top: var(--space-lg); right: var(--space-lg); z-index: 90; display: flex; flex-direction: column; gap: var(--space-md); max-width: min(380px, calc(100vw - 2 * var(--space-lg))); }
@media (max-width: 900px) { .flashes { top: 56px; } }
.flash {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-info);
  border-radius: var(--radius-sm); padding: var(--space-md) var(--space-lg);
  display: flex; gap: var(--space-md); align-items: flex-start;
  box-shadow: var(--shadow-lg); font-size: .88rem; color: var(--color-fg);
  animation: slidein .22s ease;
}
@keyframes slidein { from { opacity: 0; transform: translateX(12px); } }
.flash.success { border-left-color: var(--color-pos); }
.flash.error { border-left-color: var(--color-danger); }
.flash.warning { border-left-color: var(--color-warn); }
.flash.info { border-left-color: var(--color-info); }
.flash button { background: none; border: none; color: var(--color-muted-fg); cursor: pointer; padding: 0; line-height: 1; }

/* ============================================================= confirm dialog */
dialog.confirm-dialog {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  max-width: 420px;
  width: calc(100vw - 2 * var(--space-xl));
  background: var(--color-surface);
  color: var(--color-fg);
  box-shadow: var(--shadow-lg);
}
dialog.confirm-dialog::backdrop { background: rgba(16, 24, 40, .45); }
dialog.confirm-dialog h3 { margin-top: 0; }
dialog.confirm-dialog p { color: var(--color-fg-soft); margin-bottom: 0; }
dialog.confirm-dialog .row { margin-top: var(--space-xl); }
dialog.confirm-dialog form { margin: 0; }

/* ============================================================= auth + landing */
.auth-wrap { min-height: 100dvh; display: grid; place-items: center; padding: var(--space-xl); }
.auth-card { width: 100%; max-width: 404px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-3xl); box-shadow: var(--shadow-sm); }
.auth-card .brand { justify-content: center; margin-bottom: var(--space-xl); }
.divider { display: flex; align-items: center; gap: var(--space-md); color: var(--color-muted-fg); font-size: .78rem; margin: var(--space-xl) 0; }
.divider::before, .divider::after { content: ""; height: 1px; background: var(--color-border); flex: 1; }
.btn-google { background: var(--color-surface); border: 1px solid var(--color-border-strong); color: var(--color-fg); box-shadow: var(--shadow-xs); }
.btn-google:hover { background: var(--color-surface-2); }

/* ============================================================= landing */
.landing { overflow-x: clip; }
.landing-inner { max-width: 1180px; margin: 0 auto; padding: 0 var(--space-2xl); }
@media (max-width: 640px) { .landing-inner { padding: 0 var(--space-lg); } }

.landing-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center;
  max-width: 1180px; margin: 0 auto; padding: var(--space-lg) var(--space-2xl);
  background: rgba(245, 246, 248, .72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
@media (max-width: 640px) { .landing-header { padding: var(--space-lg); } }

.landing .btn { border-radius: 999px; }
.btn-lg { padding: 13px 28px; font-size: .96rem; }


/* ============================================================= strategy cards */
.strat-grid { display: grid; gap: var(--space-lg); grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.strat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-md); box-shadow: var(--shadow-xs); transition: box-shadow .16s ease, border-color .16s ease; }
.strat-card:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-sm); }
.strat-card .sym { font-family: var(--font-mono); color: var(--color-muted-fg); font-size: .82rem; }
.strat-card .actions { margin-top: auto; display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* ============================================================= builder */
.builder { display: grid; grid-template-columns: 1fr 328px; gap: var(--space-xl); align-items: start; }
@media (max-width: 1024px) { .builder { grid-template-columns: 1fr; } }
.builder .side { position: sticky; top: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-xl); }

.cond-group { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-xl); box-shadow: var(--shadow-xs); }
.cond-group > header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-lg); }
.cond-group > header h3 { margin: 0; display: flex; align-items: center; gap: var(--space-sm); }
.cond-group.exit { border-style: dashed; }

.block {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr auto;
  align-items: start;
}
.block .block-body { display: flex; flex-wrap: wrap; gap: var(--space-md); align-items: flex-end; }
.block .block-body .field { margin: 0; }
.block .block-ctl { display: flex; flex-direction: column; gap: var(--space-xs); align-items: flex-end; }
.block .block-ctl button { background: var(--color-surface); border: 1px solid var(--color-border-strong); color: var(--color-muted-fg); border-radius: var(--radius-sm); cursor: pointer; width: 30px; height: 26px; display: grid; place-items: center; transition: background .16s, color .16s; }
.block .block-ctl button:hover { color: var(--color-fg); background: var(--color-surface-2); }
.block .block-ctl button:disabled { opacity: .35; cursor: not-allowed; }
.block select, .block input { min-width: 88px; background: var(--color-surface); }
.block .param-input { width: 84px; min-width: 0; }
.block-eval { font-size: .74rem; font-family: var(--font-mono); padding: 2px 8px; border-radius: 999px; align-self: center; border: 1px solid transparent; }
.block-eval.true { background: var(--color-pos-bg); color: var(--color-pos); border-color: #a6f4c5; }
.block-eval.false { background: var(--color-surface-3); color: var(--color-muted-fg); }
.block-eval.na { background: var(--color-warn-bg); color: var(--color-warn); border-color: #fedf89; }

.connector { display: flex; justify-content: center; margin: var(--space-md) 0; }
.connector .seg {
  display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px;
  background: var(--color-surface); border: 1px solid var(--color-border-strong); box-shadow: var(--shadow-xs);
}
.connector button {
  font-family: var(--font-mono); font-weight: 700; font-size: .76rem; min-width: 52px;
  background: transparent; border: 0; color: var(--color-muted-fg);
  border-radius: 999px; padding: 4px 16px; cursor: pointer;
  transition: background-color .15s ease, color .15s ease;
}
.connector button:hover:not([aria-pressed="true"]) { background: var(--color-surface-3); color: var(--color-primary-strong); }
.connector button[aria-pressed="true"] { background: var(--color-primary); color: var(--color-on-primary, #fff); cursor: default; }
.connector button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.preview-line { display: flex; justify-content: space-between; gap: var(--space-md); padding: var(--space-sm) 0; border-bottom: 1px dashed var(--color-border); font-size: .85rem; }
.preview-line:last-child { border-bottom: none; }
.signal-pill { padding: 3px 10px; border-radius: 999px; font-weight: 700; font-size: .74rem; font-family: var(--font-mono); border: 1px solid transparent; }
.signal-pill.on { background: var(--color-pos-bg); color: var(--color-pos); border-color: #a6f4c5; }
.signal-pill.off { background: var(--color-surface-3); color: var(--color-muted-fg); }

.actionbar {
  position: sticky; bottom: 0; margin-top: var(--space-xl);
  background: linear-gradient(180deg, rgba(245, 246, 248, 0), var(--color-bg) 42%);
  padding-top: var(--space-xl); display: flex; gap: var(--space-md); flex-wrap: wrap; align-items: center;
}

.chart-box { width: 100%; height: 150px; display: block; }
#preview-body { margin-top: var(--space-md); }
canvas { max-width: 100%; }

/* ============================================================= indicator readout */
.indicator-readout { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-lg); }
.indicator-readout .ind {
  display: flex; flex-direction: column; gap: 2px;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); min-width: 118px;
}
.indicator-readout .ind-label { font-size: .72rem; color: var(--color-muted-fg); letter-spacing: .02em; }
.indicator-readout .ind-value { font-size: 1.15rem; font-weight: 600; color: var(--color-fg); font-variant-numeric: tabular-nums; transition: color .3s ease; }
[data-ind-panel].stale .indicator-readout .ind-value { color: var(--color-muted-fg); }
[data-ind-panel].stale { opacity: .92; }
.ind-source { font-size: .74rem; font-weight: 600; letter-spacing: .02em; color: var(--color-muted-fg); white-space: nowrap; }
.ind-source.live { color: var(--color-pos); }
.ind-source.live::before { content: "● "; }
.ind-source.sim { color: var(--color-warn); }
.ind-note {
  margin-top: var(--space-md); padding: var(--space-md) var(--space-lg);
  background: var(--color-warn-bg); border: 1px solid #fedf89; border-radius: var(--radius-sm);
  font-size: .8rem; color: var(--color-warn);
}
#ind-status { display: inline-flex; align-items: center; gap: var(--space-xs); white-space: nowrap; }
#ind-status.pos::first-letter { font-size: 1.1em; line-height: 0; }

/* ============================================================= callouts (docs body styles live in docs.css) */
.callout { padding: var(--space-lg) var(--space-xl); border-radius: var(--radius); border: 1px solid var(--color-border); background: var(--color-surface-2); font-size: .9rem; margin: var(--space-lg) 0; }
.callout strong:first-child { display: inline; }
.callout.tip { border-color: #d6e4ff; background: var(--color-primary-soft); }
.callout.warn { border-color: #fedf89; background: var(--color-warn-bg); color: var(--color-warn); }
.callout.warn strong { color: var(--color-warn); }
.callout.danger { border-color: #f2b8b1; background: var(--color-danger-bg); color: var(--color-danger); }
.callout.danger strong { color: var(--color-danger); }

.docs-standalone { margin: 0 auto; padding: var(--space-2xl) var(--space-2xl) 80px; }
@media (max-width: 640px) { .docs-standalone { padding: var(--space-xl) var(--space-lg) 64px; } }

/* ============================================================= analytics */
.chart-wrap { position: relative; width: 100%; }
.chart-wrap canvas { max-width: 100%; }

.wl-bar {
  display: flex; width: 100%; height: 10px; border-radius: 999px; overflow: hidden;
  background: var(--color-neg-bg); margin-top: var(--space-lg);
}
.wl-win { height: 100%; background: var(--color-pos); transition: width .3s ease; }
.wl-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  margin-right: var(--space-xs); vertical-align: middle;
}
.wl-dot.pos { background: var(--color-pos); }
.wl-dot.neg { background: var(--color-neg); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}