/* Study Hall — unofficial Ross Cameron strategy study app
   One stylesheet, no build step. Dark theme by default, light theme via
   [data-theme="light"] on <html>. */

:root {
  --bg: #0a0e13;
  --bg-2: #0d1218;
  --panel: #121922;
  --panel-2: #17202b;
  --panel-3: #1d2835;
  --border: #223040;
  --border-2: #2c3d51;
  --text: #e7edf3;
  --text-2: #b9c5d1;
  --muted: #8494a5;
  --faint: #5d6c7c;
  --accent: #4f8cff;
  --accent-2: #86aeff;
  --accent-bg: rgba(79, 140, 255, 0.12);
  --link: #86aeff;
  --green: #22c55e;
  --green-2: #4ade80;
  --green-bg: rgba(34, 197, 94, 0.12);
  --red: #ef4444;
  --red-2: #f87171;
  --red-bg: rgba(239, 68, 68, 0.12);
  --amber: #f59e0b;
  --amber-bg: rgba(245, 158, 11, 0.12);
  --purple: #a78bfa;
  --purple-bg: rgba(167, 139, 250, 0.12);
  --cyan: #22d3ee;
  --chart-bg: #0c1117;
  --chart-grid: #1a2430;
  --ema9: #f59e0b;
  --ema20: #a78bfa;
  --vwap: #22d3ee;
  --radius: 10px;
  --radius-sm: 7px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 10px 30px rgba(0, 0, 0, 0.3);
  --font: 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mono: 'Cascadia Mono', Consolas, ui-monospace, 'SF Mono', Menlo, monospace;
  --sidebar-w: 250px;
  --content-w: 1180px;
  color-scheme: dark;
}

:root[data-theme='light'] {
  --bg: #f4f6f9;
  --bg-2: #eef1f5;
  --panel: #ffffff;
  --panel-2: #f7f9fb;
  --panel-3: #eef2f6;
  --border: #dde3ea;
  --border-2: #c9d2dc;
  --text: #16202a;
  --text-2: #34424f;
  --muted: #5f6e7c;
  --faint: #8a97a4;
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --accent-bg: rgba(37, 99, 235, 0.09);
  --link: #2563eb;
  --green: #16a34a;
  --green-2: #15803d;
  --green-bg: rgba(22, 163, 74, 0.1);
  --red: #dc2626;
  --red-2: #b91c1c;
  --red-bg: rgba(220, 38, 38, 0.09);
  --amber: #d97706;
  --amber-bg: rgba(217, 119, 6, 0.1);
  --purple: #7c3aed;
  --purple-bg: rgba(124, 58, 237, 0.08);
  --cyan: #0891b2;
  --chart-bg: #ffffff;
  --chart-grid: #edf1f5;
  --ema9: #d97706;
  --ema20: #7c3aed;
  --vwap: #0891b2;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 8px 24px rgba(16, 24, 40, 0.08);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { font-size: 15px; }
:root[data-size='large'] { font-size: 17px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--accent-bg); }
hr { border: 0; border-top: 1px solid var(--border); margin: 24px 0; }
code, kbd, .mono { font-family: var(--mono); font-size: 0.92em; }
kbd {
  background: var(--panel-3); border: 1px solid var(--border-2); border-bottom-width: 2px;
  border-radius: 5px; padding: 1px 6px; font-size: 0.82em;
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ---------- layout ---------- */
.app { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }
.sidebar {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  background: var(--bg-2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 18px 12px 14px;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 18px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, #22c55e, #4f8cff);
  display: grid; place-items: center; color: #fff;
}
.brand-name { font-weight: 700; font-size: 1.05rem; letter-spacing: 0.2px; }
.brand-sub { font-size: 0.74rem; color: var(--muted); line-height: 1.25; }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.9px; color: var(--faint); padding: 14px 12px 6px; }
.nav a {
  display: flex; align-items: center; gap: 11px; padding: 8px 12px; border-radius: 8px;
  color: var(--text-2); font-size: 0.93rem; text-decoration: none; position: relative;
}
.nav a:hover { background: var(--panel-2); color: var(--text); }
.nav a.active { background: var(--accent-bg); color: var(--text); }
.nav a.active::before {
  content: ''; position: absolute; left: -12px; top: 8px; bottom: 8px; width: 3px; border-radius: 3px; background: var(--accent);
}
.nav a svg { flex: none; opacity: 0.85; }
.nav .count { margin-left: auto; font-size: 0.72rem; color: var(--muted); background: var(--panel-3); padding: 1px 7px; border-radius: 10px; }
.sidebar-foot { margin-top: auto; padding: 14px 10px 0; font-size: 0.75rem; color: var(--faint); }
.sidebar-foot .clock { font-family: var(--mono); color: var(--text-2); font-size: 0.82rem; }

/* ---------- profiles: the launch picker and the sidebar chip ---------- */
.profile-pick { position: fixed; inset: 0; z-index: 120; background: var(--bg); display: grid; place-items: center; padding: 24px 16px; overflow-y: auto; animation: fade 0.15s ease; }
.pp-box { width: 100%; max-width: 560px; text-align: center; }
.pp-box h1 { margin: 0 0 6px; font-size: 1.7rem; }
.pp-box > p { margin: 0 0 22px; }
.pp-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.pp-card { position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 22px 16px 18px; border-radius: var(--radius); border: 1px solid var(--border-2); background: var(--panel); color: var(--text); font: inherit; cursor: pointer; transition: border-color 0.12s, transform 0.12s; }
.pp-card:hover, .pp-card:focus-visible { border-color: var(--accent); transform: translateY(-1px); outline: none; }
.pp-card.last { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.pp-card b { font-size: 1.15rem; }
.pp-key { position: absolute; top: 8px; right: 10px; opacity: 0.6; }
.pp-avatar { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 1.5rem; color: #fff; flex: none; }
.pp-avatar.small { width: 22px; height: 22px; font-size: 0.72rem; }
.pp-avatar.c0 { background: linear-gradient(135deg, #22c55e, #15803d); }
.pp-avatar.c1 { background: linear-gradient(135deg, #4f8cff, #2563eb); }
.pp-avatar.c2 { background: linear-gradient(135deg, #a78bfa, #7c3aed); }
.pp-avatar.c3 { background: linear-gradient(135deg, #f59e0b, #b45309); }
.pw-box { max-width: 400px; }
.pw-box h1 { display: flex; align-items: center; justify-content: center; gap: 10px; }
.pw-form { display: flex; gap: 8px; }
.pw-form .input { flex: 1; min-width: 0; }
.pw-note { min-height: 1.4em; margin: 10px 0 6px; }
.profile-chip { display: flex; align-items: center; gap: 8px; width: 100%; margin: 0 0 12px; padding: 6px 8px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--panel-2); color: var(--text); font: inherit; font-size: 0.85rem; cursor: pointer; text-align: left; }
.profile-chip:empty { display: none; }
.profile-chip:hover { border-color: var(--accent); }
.profile-chip .pc-switch { margin-left: auto; font-size: 0.72rem; color: var(--link); }
.session-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: var(--faint); vertical-align: 1px; }
.session-dot.open { background: var(--green); box-shadow: 0 0 0 3px var(--green-bg); }
.session-dot.pre, .session-dot.post { background: var(--amber); }

.main { min-width: 0; }
.topbar {
  display: none; position: sticky; top: 0; z-index: 30; background: var(--bg-2);
  border-bottom: 1px solid var(--border); padding: 10px 14px; align-items: center; gap: 12px;
}
.page { max-width: var(--content-w); margin: 0 auto; padding: 28px 32px 80px; }
.page-narrow { max-width: 860px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.page-head h1 { margin: 0; font-size: 1.75rem; line-height: 1.2; letter-spacing: -0.2px; }
.page-head p { margin: 6px 0 0; color: var(--muted); max-width: 720px; }
.crumbs { font-size: 0.82rem; color: var(--muted); margin-bottom: 8px; }
.crumbs a { color: var(--muted); }

@media (max-width: 900px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed; z-index: 50; left: 0; top: 0; width: 280px; transform: translateX(-100%);
    transition: transform 0.2s ease; box-shadow: var(--shadow);
  }
  body.nav-open .sidebar { transform: none; }
  body.nav-open .scrim { display: block; }
  .topbar { display: flex; }
  .page { padding: 20px 16px 70px; }
  .page-head h1 { font-size: 1.45rem; }
}
.scrim { display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.45); z-index: 40; }

/* ---------- building blocks ---------- */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 700px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); } }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.stack > * + * { margin-top: 12px; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: 0.85rem; }
.tiny { font-size: 0.76rem; }
.nowrap { white-space: nowrap; }
.green { color: var(--green); }
.red { color: var(--red); }
.amber { color: var(--amber); }
.center { text-align: center; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; min-width: 0;
}
.card-tight { padding: 14px 16px; }
.card h2, .card h3 { margin: 0 0 10px; }
.card h2 { font-size: 1.12rem; }
.card h3 { font-size: 1rem; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.card-head h2, .card-head h3 { margin: 0; }
.card.link { transition: border-color 0.15s, transform 0.15s; cursor: pointer; color: inherit; display: block; text-decoration: none; }
.card.link:hover { border-color: var(--border-2); transform: translateY(-1px); text-decoration: none; }
.section-title { font-size: 1.15rem; margin: 30px 0 12px; display: flex; align-items: center; gap: 10px; }
.section-title .muted { font-weight: 400; font-size: 0.85rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border-2);
  background: var(--panel-2); color: var(--text); cursor: pointer; font-size: 0.9rem;
  text-decoration: none; white-space: nowrap; line-height: 1.3;
}
.btn:hover { background: var(--panel-3); text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
:root[data-theme='light'] .btn-primary:hover { background: #1d4ed8; }
.btn-green { background: var(--green); border-color: var(--green); color: #04130a; font-weight: 600; }
.btn-red { background: var(--red); border-color: var(--red); color: #fff; font-weight: 600; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--panel-2); color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 0.82rem; border-radius: 7px; }
.btn-lg { padding: 11px 20px; font-size: 1rem; }
.btn-icon { padding: 7px; }
.btn.on { background: var(--accent-bg); border-color: var(--accent); color: var(--text); }

.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--border-2); background: var(--panel); color: var(--text-2);
  font-size: 0.82rem; cursor: pointer; white-space: nowrap; user-select: none;
}
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip.on { background: var(--accent-bg); border-color: var(--accent); color: var(--text); }
.chip .n { color: var(--muted); font-size: 0.75rem; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }

.badge {
  display: inline-flex; align-items: center; gap: 4px; font-size: 0.72rem; font-weight: 600;
  padding: 2px 8px; border-radius: 6px; background: var(--panel-3); color: var(--text-2);
  letter-spacing: 0.2px; white-space: nowrap;
}
.badge.green { background: var(--green-bg); color: var(--green); }
.badge.red { background: var(--red-bg); color: var(--red); }
.badge.amber { background: var(--amber-bg); color: var(--amber); }
.badge.blue { background: var(--accent-bg); color: var(--accent-2); }
:root[data-theme='light'] .badge.blue { color: var(--accent); }
.badge.purple { background: var(--purple-bg); color: var(--purple); }

.input, .select, .textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--border-2); border-radius: 8px;
  padding: 8px 11px; color: var(--text); outline: none; min-width: 0;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); }
.textarea { resize: vertical; min-height: 90px; line-height: 1.5; }
.select { appearance: none; padding-right: 30px; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 16px) 55%, calc(100% - 11px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field > label, .label { font-size: 0.8rem; color: var(--muted); font-weight: 600; }
.field .hint { font-size: 0.75rem; color: var(--faint); }
.input-group { display: flex; align-items: stretch; }
.input-group .addon {
  display: grid; place-items: center; padding: 0 10px; background: var(--panel-3); border: 1px solid var(--border-2);
  color: var(--muted); font-size: 0.85rem;
}
.input-group .addon:first-child { border-radius: 8px 0 0 8px; border-right: 0; }
.input-group .addon:last-child { border-radius: 0 8px 8px 0; border-left: 0; }
.input-group .input:not(:first-child) { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.input-group .input:not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.search { position: relative; }
.search svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.search .input { padding-left: 36px; }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.check input { width: 17px; height: 17px; accent-color: var(--accent); }

.seg { display: inline-flex; background: var(--bg-2); border: 1px solid var(--border-2); border-radius: 9px; padding: 3px; gap: 2px; }
.seg button { border: 0; background: transparent; color: var(--text-2); padding: 5px 12px; border-radius: 7px; cursor: pointer; font-size: 0.85rem; }
.seg button.on { background: var(--panel-3); color: var(--text); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25); }

.progress { height: 7px; background: var(--panel-3); border-radius: 99px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--green)); border-radius: 99px; transition: width 0.3s; }
.progress.thin { height: 4px; }

.stat { display: flex; flex-direction: column; gap: 2px; }
.stat .v { font-size: 1.55rem; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -0.3px; }
.stat .k { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; }
.stat .s { font-size: 0.8rem; color: var(--muted); }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table.table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.table th, .table td { padding: 9px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.table th { background: var(--panel-2); color: var(--muted); font-weight: 600; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.5px; position: sticky; top: 0; white-space: nowrap; }
.table tr:last-child td { border-bottom: 0; }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table tbody tr:hover td { background: var(--panel-2); }

.callout {
  border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: var(--radius-sm);
  background: var(--accent-bg); padding: 12px 16px; margin: 16px 0;
}
.callout > :first-child { margin-top: 0; }
.callout > :last-child { margin-bottom: 0; }
.callout .callout-title { font-weight: 700; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.callout.warn { border-left-color: var(--amber); background: var(--amber-bg); }
.callout.danger { border-left-color: var(--red); background: var(--red-bg); }
.callout.success { border-left-color: var(--green); background: var(--green-bg); }
.callout.ross { border-left-color: var(--purple); background: var(--purple-bg); }
.callout.plain { border-left-color: var(--border-2); background: var(--panel-2); }

.empty { text-align: center; padding: 50px 20px; color: var(--muted); }
.empty svg { margin: 0 auto 10px; opacity: 0.6; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; overflow-x: auto; }
.tabs a, .tabs button {
  padding: 9px 14px; border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 0.92rem;
  border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; text-decoration: none;
}
.tabs a:hover, .tabs button:hover { color: var(--text); text-decoration: none; }
.tabs .on { color: var(--text); border-bottom-color: var(--accent); }

/* ---------- lesson / prose ---------- */
.prose { font-size: 1.02rem; color: var(--text-2); line-height: 1.7; }
.prose h2 { color: var(--text); font-size: 1.35rem; margin: 34px 0 10px; letter-spacing: -0.2px; }
.prose h3 { color: var(--text); font-size: 1.1rem; margin: 26px 0 8px; }
.prose h4 { color: var(--text); font-size: 0.98rem; margin: 20px 0 6px; }
.prose p { margin: 0 0 14px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 24px; }
.prose li { margin: 5px 0; }
.prose li::marker { color: var(--muted); }
.prose strong { color: var(--text); }
.prose em { color: var(--text); }
.prose table { width: 100%; border-collapse: collapse; margin: 14px 0 20px; font-size: 0.92rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: 8px 11px; text-align: left; vertical-align: top; }
.prose th { background: var(--panel-2); color: var(--text); }
.prose blockquote { margin: 16px 0; padding: 4px 16px; border-left: 3px solid var(--border-2); color: var(--muted); }
.prose .example {
  background: var(--panel-2); border: 1px dashed var(--border-2); border-radius: var(--radius-sm);
  padding: 12px 16px; margin: 14px 0; font-size: 0.96rem;
}
.prose .example::before { content: 'Example'; display: block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; color: var(--green); margin-bottom: 4px; }
.prose .formula {
  font-family: var(--mono); background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 10px 14px; margin: 12px 0; color: var(--text); font-size: 0.92rem; overflow-x: auto;
}
.prose figure { margin: 18px 0 22px; }
.prose figcaption, .figcap { font-size: 0.84rem; color: var(--muted); margin-top: 8px; text-align: center; }
.prose .steps { counter-reset: step; list-style: none; padding-left: 0; }
.prose .steps > li { counter-increment: step; position: relative; padding-left: 40px; margin: 12px 0; }
.prose .steps > li::before {
  content: counter(step); position: absolute; left: 0; top: 0; width: 27px; height: 27px; border-radius: 50%;
  background: var(--accent-bg); color: var(--accent-2); font-weight: 700; font-size: 0.85rem; display: grid; place-items: center;
}
.prose .rules { list-style: none; padding-left: 0; }
.prose .rules > li { padding-left: 28px; position: relative; }
.prose .rules > li::before { content: '✓'; position: absolute; left: 4px; color: var(--green); font-weight: 700; }
.prose .donts > li::before { content: '✕'; color: var(--red); }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; margin: 14px 0; }
.two-col > div { background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 16px; }
.two-col h4 { margin-top: 0; }
@media (max-width: 700px) { .two-col { grid-template-columns: minmax(0, 1fr); } }

.term {
  color: inherit; border-bottom: 1px dashed var(--accent); cursor: help; text-decoration: none;
}
.term:hover { color: var(--accent-2); text-decoration: none; }
.popover {
  position: fixed; z-index: 90; width: min(360px, calc(100vw - 24px)); background: var(--panel); border: 1px solid var(--border-2);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 13px 15px; font-size: 0.88rem; color: var(--text-2);
}
.popover .t { font-weight: 700; color: var(--text); font-size: 0.98rem; margin-bottom: 4px; }
.popover .ex { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); color: var(--muted); }
.popover .ex b { color: var(--green); font-size: 0.72rem; letter-spacing: 0.6px; text-transform: uppercase; }

.lesson-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 28px; align-items: start; }
.lesson-aside { position: sticky; top: 20px; display: flex; flex-direction: column; gap: 14px; }
@media (max-width: 1100px) { .lesson-layout { grid-template-columns: minmax(0, 1fr); } .lesson-aside { position: static; } }
.toc a { display: block; padding: 5px 10px; border-radius: 6px; color: var(--text-2); font-size: 0.86rem; text-decoration: none; }
.toc a:hover { background: var(--panel-2); color: var(--text); }
.toc a.done { color: var(--muted); }
.toc a.current { background: var(--accent-bg); color: var(--text); }
.toc .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; border: 1.5px solid var(--faint); margin-right: 8px; vertical-align: 1px; }
.toc a.done .dot { background: var(--green); border-color: var(--green); }
.takeaways { background: var(--green-bg); border: 1px solid rgba(34, 197, 94, 0.25); border-radius: var(--radius); padding: 14px 18px; }
.takeaways h3 { margin: 0 0 8px; font-size: 0.95rem; color: var(--green); text-transform: uppercase; letter-spacing: 0.7px; }
.takeaways ul { margin: 0; padding-left: 20px; }
.takeaways li { margin: 5px 0; color: var(--text-2); }

/* module list */
.module { border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); overflow: hidden; }
.module + .module { margin-top: 14px; }
.module-head { display: flex; gap: 16px; align-items: center; padding: 16px 20px; cursor: pointer; }
.module-num {
  width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; flex: none;
  background: var(--panel-3); font-weight: 800; color: var(--text-2); font-size: 1.05rem;
}
.module.complete .module-num { background: var(--green-bg); color: var(--green); }
.module-head h2 { margin: 0; font-size: 1.08rem; }
.module-head p { margin: 2px 0 0; color: var(--muted); font-size: 0.88rem; }
.module-lessons { border-top: 1px solid var(--border); }
.lesson-row {
  display: flex; align-items: center; gap: 14px; padding: 11px 20px 11px 80px; color: var(--text-2);
  text-decoration: none; border-bottom: 1px solid var(--border);
}
.lesson-row:last-child { border-bottom: 0; }
.lesson-row:hover { background: var(--panel-2); text-decoration: none; color: var(--text); }
.lesson-row .tick {
  width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--border-2); flex: none; display: grid; place-items: center; color: transparent;
}
.lesson-row.done .tick { background: var(--green); border-color: var(--green); color: #04130a; }
.lesson-row .meta { margin-left: auto; font-size: 0.78rem; color: var(--faint); white-space: nowrap; }
@media (max-width: 700px) { .lesson-row { padding-left: 20px; } }
.lesson-row.play-all { width: 100%; background: none; border: 0; font: inherit; cursor: pointer; text-align: left; color: var(--link); }
.lesson-row.play-all .tick { border-color: var(--accent); color: var(--accent); }

/* ---------- videos ---------- */
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(245px, 1fr)); gap: 18px 16px; }
.video-card { display: flex; flex-direction: column; gap: 8px; cursor: pointer; min-width: 0; position: relative; }
.video-card .thumb {
  position: relative; aspect-ratio: 16 / 9; border-radius: 9px; overflow: hidden; background: var(--panel-3);
  border: 1px solid var(--border);
}
.video-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.25s; }
.video-card:hover .thumb img { transform: scale(1.035); }
.video-card .dur {
  position: absolute; right: 6px; bottom: 6px; background: rgba(0, 0, 0, 0.82); color: #fff; font-size: 0.74rem;
  font-weight: 600; padding: 1px 6px; border-radius: 4px; font-family: var(--mono);
}
.video-card .kind {
  position: absolute; left: 6px; top: 6px; background: rgba(0, 0, 0, 0.75); color: #fff; font-size: 0.68rem;
  font-weight: 700; padding: 2px 6px; border-radius: 4px; letter-spacing: 0.5px; text-transform: uppercase;
}
.video-card .kind.live { background: rgba(220, 38, 38, 0.9); }
.video-card .kind.short { background: rgba(124, 58, 237, 0.92); }
.video-card .watched-bar { position: absolute; left: 0; bottom: 0; height: 3px; background: var(--red); }
.video-card .seen {
  position: absolute; inset: 0; background: rgba(0, 0, 0, 0.45); display: grid; place-items: center; color: #fff; font-size: 0.8rem; font-weight: 600;
}
.video-card .title { font-size: 0.9rem; font-weight: 600; line-height: 1.35; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-card .sub { font-size: 0.78rem; color: var(--muted); display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.video-card .fav {
  position: absolute; right: 6px; top: 6px; background: rgba(0, 0, 0, 0.7); border: 0; color: #fff; border-radius: 6px; padding: 4px;
  cursor: pointer; opacity: 0; transition: opacity 0.15s; display: grid; place-items: center;
}
.video-card:hover .fav, .video-card .fav.on { opacity: 1; }
.video-card .fav.on { color: #fbbf24; }
.video-list-row { display: grid; grid-template-columns: 168px 1fr; gap: 14px; align-items: start; }
.video-list-row .thumb { aspect-ratio: 16 / 9; }
.mini-videos { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.filters { display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px; }
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filter-row .grow { flex: 1 1 260px; }
mark { background: rgba(245, 158, 11, 0.3); color: inherit; border-radius: 3px; padding: 0 1px; }

.player-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 0; }
.player-wrap .frame { aspect-ratio: 16 / 9; background: #000; }
.player-wrap .frame iframe, .player-wrap .frame > div { width: 100%; height: 100%; border: 0; display: block; }
.player-side { padding: 16px 18px; border-left: 1px solid var(--border); display: flex; flex-direction: column; gap: 12px; max-height: calc(min(56.25vw, 70vh)); overflow-y: auto; }
.player-side h3 { margin: 0; font-size: 1rem; line-height: 1.35; }
@media (max-width: 1000px) { .player-wrap { grid-template-columns: minmax(0, 1fr); } .player-side { border-left: 0; border-top: 1px solid var(--border); max-height: none; } }
.player-fallback { display: grid; place-items: center; text-align: center; color: #cbd5e1; padding: 20px; height: 100%; }

/* ---------- glossary ---------- */
.az { display: flex; flex-wrap: wrap; gap: 3px; }
.az a { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 6px; font-size: 0.82rem; color: var(--text-2); text-decoration: none; font-weight: 600; }
.az a:hover { background: var(--panel-3); }
.az a.off { color: var(--faint); pointer-events: none; opacity: 0.5; }
.term-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; scroll-margin-top: 90px; }
.term-card.flash { animation: flash 1.6s ease; }
@keyframes flash { 0%, 30% { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); } 100% { border-color: var(--border); box-shadow: none; } }
.term-card h3 { margin: 0; font-size: 1.08rem; }
.term-card .aka { color: var(--muted); font-size: 0.82rem; margin-top: 2px; }
.term-card .def { margin: 8px 0 0; color: var(--text-2); }
.term-card .ex { margin-top: 10px; background: var(--panel-2); border-radius: 8px; padding: 9px 12px; font-size: 0.9rem; color: var(--text-2); border-left: 3px solid var(--green); }
.term-card .ex b, .term-card .ross b { font-size: 0.7rem; letter-spacing: 0.7px; text-transform: uppercase; display: block; margin-bottom: 2px; }
.term-card .ex b { color: var(--green); }
.term-card .ross { margin-top: 8px; background: var(--purple-bg); border-radius: 8px; padding: 9px 12px; font-size: 0.9rem; color: var(--text-2); border-left: 3px solid var(--purple); }
.term-card .ross b { color: var(--purple); }
.term-card .rel { margin-top: 10px; font-size: 0.82rem; color: var(--muted); }
.term-card .rel a { margin-right: 8px; }
.term-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 14px; }
.letter-head { grid-column: 1 / -1; font-size: 1.3rem; font-weight: 800; color: var(--accent-2); margin: 14px 0 -4px; scroll-margin-top: 90px; }
.compact-sheet { columns: 2 340px; column-gap: 28px; font-size: 0.86rem; }
.compact-sheet .item { break-inside: avoid; padding: 5px 0; border-bottom: 1px solid var(--border); }
.compact-sheet .item b { color: var(--text); }
.compact-sheet .cat-h { break-after: avoid; font-weight: 800; color: var(--accent-2); margin: 14px 0 4px; font-size: 0.95rem; }

/* ---------- flashcards & quiz ---------- */
.flashcard {
  perspective: 1200px; height: 290px; cursor: pointer; max-width: 640px; margin: 0 auto;
}
.flashcard .inner { position: relative; width: 100%; height: 100%; transition: transform 0.45s; transform-style: preserve-3d; }
.flashcard.flipped .inner { transform: rotateY(180deg); }
.flashcard .face {
  position: absolute; inset: 0; backface-visibility: hidden; border-radius: 14px; border: 1px solid var(--border-2);
  background: var(--panel); display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 26px; text-align: center; overflow-y: auto;
}
.flashcard .back { transform: rotateY(180deg); background: var(--panel-2); }
.flashcard .face .big { font-size: 1.7rem; font-weight: 700; color: var(--text); }
.flashcard .face .hint { position: absolute; bottom: 12px; font-size: 0.75rem; color: var(--faint); }
.quiz-q { font-size: 1.05rem; font-weight: 600; color: var(--text); margin-bottom: 12px; }
.quiz-opts { display: flex; flex-direction: column; gap: 8px; }
.quiz-opt {
  text-align: left; padding: 11px 14px; border-radius: 9px; border: 1px solid var(--border-2); background: var(--panel-2);
  cursor: pointer; color: var(--text-2); display: flex; gap: 10px; align-items: flex-start; line-height: 1.45;
}
.quiz-opt:hover:not(:disabled) { border-color: var(--accent); color: var(--text); }
.quiz-opt .letter { font-weight: 700; color: var(--muted); min-width: 18px; }
.quiz-opt.correct { border-color: var(--green); background: var(--green-bg); color: var(--text); }
.quiz-opt.wrong { border-color: var(--red); background: var(--red-bg); color: var(--text); }
.quiz-opt:disabled { cursor: default; }
.quiz-explain { margin-top: 12px; padding: 11px 14px; border-radius: 9px; background: var(--panel-2); border-left: 3px solid var(--accent); font-size: 0.92rem; color: var(--text-2); }

/* ---------- charts ---------- */
.chart-box { background: var(--chart-bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; position: relative; }
.chart-box svg { display: block; width: 100%; height: auto; }
.chart-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.75rem; color: var(--muted); padding: 8px 12px 0; }
.chart-legend i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; margin-right: 5px; vertical-align: 3px; }
.pattern-card { display: flex; flex-direction: column; gap: 10px; }
.pattern-card h3 { margin: 0; font-size: 1.02rem; }

/* chart element colors (SVG) */
.ch-bg { fill: var(--chart-bg); }
.ch-title { fill: var(--text); font: 700 13px var(--font); }
.ch-grid { stroke: var(--chart-grid); stroke-width: 1; }
.ch-zero { stroke: var(--border-2); stroke-width: 1.2; }
.ch-axis { fill: var(--muted); font: 10.5px var(--mono); }
.ch-up { fill: var(--green); }
.ch-dn { fill: var(--red); }
.ch-wick-up { stroke: var(--green); stroke-width: 1.2; }
.ch-wick-dn { stroke: var(--red); stroke-width: 1.2; }
.ch-vol-up { fill: var(--green); opacity: 0.45; }
.ch-vol-dn { fill: var(--red); opacity: 0.45; }
.ch-ema9 { stroke: var(--ema9); fill: none; stroke-width: 1.6; }
.ch-ema20 { stroke: var(--ema20); fill: none; stroke-width: 1.6; }
.ch-ema200 { stroke: var(--muted); fill: none; stroke-width: 1.4; }
.ch-vwap { stroke: var(--vwap); fill: none; stroke-width: 1.8; stroke-dasharray: 5 3; }
.ch-macd { stroke: var(--accent); fill: none; stroke-width: 1.4; }
.ch-signal { stroke: var(--amber); fill: none; stroke-width: 1.4; }
.ch-hist-up { fill: var(--green); opacity: 0.55; }
.ch-hist-dn { fill: var(--red); opacity: 0.55; }
.ch-series { fill: none; stroke: var(--accent); stroke-width: 2; }
.ch-series.green { stroke: var(--green); }
.ch-series.red { stroke: var(--red); }
.ch-series.faint { stroke: var(--border-2); stroke-width: 1; opacity: 0.7; }
.ch-area { fill: var(--accent); opacity: 0.1; }
.an-line { stroke-width: 1.6; fill: none; }
.an-line.entry, .an-arrow.entry, .an-dot.entry { stroke: var(--accent); fill: var(--accent); }
.an-line.stop, .an-arrow.stop, .an-dot.stop { stroke: var(--red); fill: var(--red); }
.an-line.target, .an-arrow.target, .an-dot.target { stroke: var(--green); fill: var(--green); }
.an-line.level, .an-arrow.level, .an-dot.level { stroke: var(--muted); fill: var(--muted); }
.an-line.warn, .an-arrow.warn, .an-dot.warn { stroke: var(--amber); fill: var(--amber); }
.an-line.hod { stroke: var(--purple); }
.an-line { fill: none !important; }
.an-tag { fill: var(--muted); }
.an-tag.entry { fill: var(--accent); }
.an-tag.stop { fill: var(--red); }
.an-tag.target { fill: var(--green); }
.an-tag.warn { fill: var(--amber); }
.an-tag.hod { fill: var(--purple); }
.an-tag-text { fill: #fff; font: 700 10.5px var(--mono); }
.an-text { font: 700 11px var(--font); fill: var(--text-2); paint-order: stroke; stroke: var(--chart-bg); stroke-width: 3px; stroke-linejoin: round; }
.an-text.entry { fill: var(--accent-2); }
:root[data-theme='light'] .an-text.entry { fill: var(--accent); }
.an-text.stop { fill: var(--red); }
.an-text.target { fill: var(--green); }
.an-text.warn { fill: var(--amber); }
.an-text.hod { fill: var(--purple); }
.an-zone { fill: var(--accent); opacity: 0.08; }
.an-zone.warn { fill: var(--amber); opacity: 0.1; }
.an-zone.stop { fill: var(--red); opacity: 0.08; }
.an-zone.target { fill: var(--green); opacity: 0.08; }
.an-box { fill: var(--accent); fill-opacity: 0.08; stroke: var(--accent); stroke-opacity: 0.6; stroke-dasharray: 4 3; }
.an-box.warn { fill: var(--amber); stroke: var(--amber); }
.an-box.target { fill: var(--green); stroke: var(--green); }
.an-box.stop { fill: var(--red); stroke: var(--red); }

/* ---------- tools ---------- */
.tool-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 18px; align-items: start; }
@media (max-width: 950px) { .tool-grid { grid-template-columns: minmax(0, 1fr); } }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 14px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: minmax(0, 1fr); } }
.result-big { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.5px; font-variant-numeric: tabular-nums; line-height: 1.1; }
.kv { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 7px 14px; font-size: 0.92rem; }
.kv > :nth-child(odd) { color: var(--muted); }
.kv > :nth-child(even) { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--text); }
.pill-result { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 9px; background: var(--panel-2); border: 1px solid var(--border); }
.pill-result + .pill-result { margin-top: 8px; }
.pill-result .ico { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; flex: none; font-weight: 800; }
.pill-result.pass .ico { background: var(--green-bg); color: var(--green); }
.pill-result.fail .ico { background: var(--red-bg); color: var(--red); }
.pill-result.meh .ico { background: var(--amber-bg); color: var(--amber); }
.ladder { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; font-family: var(--mono); font-size: 0.85rem; }
.ladder div { display: flex; justify-content: space-between; padding: 7px 12px; }
.ladder .t { background: var(--green-bg); color: var(--green); }
.ladder .e { background: var(--accent-bg); color: var(--text); }
.ladder .s { background: var(--red-bg); color: var(--red); }

.timeline { position: relative; height: 54px; border-radius: 9px; overflow: hidden; background: var(--panel-2); border: 1px solid var(--border); }
.timeline .seg-block { position: absolute; top: 0; bottom: 0; display: grid; place-items: center; font-size: 0.72rem; color: var(--text-2); text-align: center; line-height: 1.2; border-right: 1px solid var(--border); }
.timeline .now { position: absolute; top: -2px; bottom: -2px; width: 2px; background: var(--red); box-shadow: 0 0 0 3px var(--red-bg); }
.timeline-labels { position: relative; height: 18px; font-size: 0.7rem; color: var(--faint); font-family: var(--mono); }
.timeline-labels span { position: absolute; transform: translateX(-50%); }

/* ---------- journal ---------- */
.pl-pos { color: var(--green); font-weight: 600; }
.pl-neg { color: var(--red); font-weight: 600; }
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal .d { aspect-ratio: 1.2; border-radius: 6px; background: var(--panel-2); font-size: 0.7rem; color: var(--faint); padding: 4px 5px; display: flex; flex-direction: column; justify-content: space-between; min-width: 0; }
.cal .d.win { background: var(--green-bg); color: var(--green); }
.cal .d.loss { background: var(--red-bg); color: var(--red); }
.cal .d .amt { font-weight: 700; font-size: 0.72rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cal .h { font-size: 0.7rem; color: var(--muted); text-align: center; }

/* ---------- modal / toast ---------- */
.modal-bg { position: fixed; inset: 0; background: rgba(2, 6, 12, 0.72); z-index: 80; display: flex; align-items: flex-start; justify-content: center; padding: 5vh 16px; overflow-y: auto; animation: fade 0.15s ease; }
.modal { background: var(--panel); border: 1px solid var(--border-2); border-radius: 14px; width: min(640px, 100%); box-shadow: var(--shadow); overflow: hidden; }
.modal.wide { width: min(1240px, 100%); }
.modal.mid { width: min(860px, 100%); }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.modal-head h2 { margin: 0; font-size: 1.05rem; }
.modal-body { padding: 18px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 12px 18px; border-top: 1px solid var(--border); background: var(--panel-2); }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.toasts { position: fixed; right: 18px; bottom: 18px; z-index: 100; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--panel-3); border: 1px solid var(--border-2); border-left: 4px solid var(--accent); border-radius: 9px; padding: 10px 14px; box-shadow: var(--shadow); font-size: 0.9rem; max-width: 360px; animation: fade 0.2s ease; }
.toast.success { border-left-color: var(--green); }
.toast.error { border-left-color: var(--red); }
.log-box { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-family: var(--mono); font-size: 0.78rem; max-height: 260px; overflow-y: auto; white-space: pre-wrap; color: var(--text-2); }

/* ---------- home ---------- */
.hero {
  position: relative; overflow: hidden; border-radius: 16px; border: 1px solid var(--border);
  background: radial-gradient(1200px 300px at 0% 0%, rgba(79, 140, 255, 0.18), transparent 60%),
    radial-gradient(900px 300px at 100% 100%, rgba(34, 197, 94, 0.14), transparent 60%), var(--panel);
  padding: 28px 30px;
}
.hero h1 { margin: 0 0 6px; font-size: 1.9rem; letter-spacing: -0.4px; line-height: 1.2; }
.hero p { margin: 0; color: var(--text-2); max-width: 680px; }
.hero .actions { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.ring { position: relative; width: 92px; height: 92px; flex: none; }
.ring svg { transform: rotate(-90deg); }
.ring .lbl { position: absolute; inset: 0; display: grid; place-items: center; font-weight: 800; font-size: 1.15rem; }
.path-step { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px solid var(--border); }
.path-step:last-child { border-bottom: 0; }
.path-step .n { width: 26px; height: 26px; border-radius: 50%; background: var(--panel-3); display: grid; place-items: center; font-size: 0.8rem; font-weight: 700; flex: none; color: var(--text-2); }
.path-step.done .n { background: var(--green); color: #04130a; }
.plan-row { grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr); align-items: start; }
@media (max-width: 1000px) { .plan-row { grid-template-columns: minmax(0, 1fr); } }
.plan-items { display: flex; flex-direction: column; }
.plan-item {
  display: flex; align-items: center; gap: 12px; width: 100%; padding: 10px 6px; margin: 0; border: 0; border-bottom: 1px solid var(--border);
  border-radius: 0; background: none; color: inherit; font: inherit; text-align: left; text-decoration: none; cursor: pointer;
}
.plan-item:last-child { border-bottom: 0; }
.plan-item:hover { background: var(--panel-2); text-decoration: none; }
.plan-item .pi-ico { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; flex: none; background: var(--accent-bg); color: var(--accent-2); }
:root[data-theme='light'] .plan-item .pi-ico { color: var(--accent); }
.plan-item.done .pi-ico { background: var(--green-bg); color: var(--green); }
.plan-item .pi-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.plan-item .pi-text b { font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; }
.plan-item.done .pi-text b { color: var(--muted); }
.plan-item .pi-go { color: var(--link); white-space: nowrap; }
.plan-item.done .pi-go { color: var(--faint); }
.tod-term { font-size: 1.35rem; font-weight: 800; line-height: 1.25; }
.tod-ross { color: var(--purple); }
.tod-abbr { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border); font-size: 0.9rem; }

/* ---------- print ---------- */
@media print {
  :root { --bg: #fff; --panel: #fff; --panel-2: #f6f6f6; --text: #000; --text-2: #111; --muted: #444; --border: #ccc; }
  .sidebar, .topbar, .no-print, .toasts { display: none !important; }
  .app { display: block; }
  .page { padding: 0; max-width: none; }
  body { background: #fff; color: #000; }
  .compact-sheet { columns: 2; font-size: 9.5pt; }
  .term-card { break-inside: avoid; }
}

/* Small screens: wide lesson tables scroll sideways instead of stretching the page. */
@media (max-width: 760px) {
  .prose table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .prose th, .prose td { white-space: normal; min-width: 90px; }
  .page-head h1 { font-size: 1.35rem; }
  .video-list-row { grid-template-columns: minmax(0, 1fr); }
}
.lesson-nav .btn { white-space: normal; text-align: left; max-width: 100%; }
.lesson-nav > div { min-width: 0; max-width: 100%; }

/* ---------- search everything (Ctrl+K) ---------- */
.nav-search {
  display: flex; align-items: center; gap: 9px; width: 100%; margin: 0 0 10px; padding: 8px 11px; border-radius: 9px;
  border: 1px solid var(--border-2); background: var(--bg); color: var(--muted); font-size: 0.86rem; cursor: pointer; text-align: left;
}
.nav-search:hover { border-color: var(--accent); color: var(--text); }
.nav-search span { flex: 1; }
.nav-search kbd { font-size: 0.68rem; }
.palette-bg {
  position: fixed; inset: 0; z-index: 95; background: rgba(2, 6, 12, 0.62); display: flex; justify-content: center;
  align-items: flex-start; padding: 9vh 16px 16px; animation: fade 0.12s ease;
}
.palette {
  width: min(700px, 100%); max-height: 78vh; background: var(--panel); border: 1px solid var(--border-2); border-radius: 14px;
  box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column;
}
.palette-in { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--border); color: var(--muted); }
.palette-in input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font-size: 1.08rem; color: var(--text); }
.palette-in input::-webkit-search-cancel-button { display: none; }
.palette-res { overflow-y: auto; padding: 4px 0 8px; }
.palette-group { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.8px; color: var(--faint); padding: 10px 18px 4px; }
.palette-item { display: flex; gap: 11px; align-items: flex-start; padding: 8px 18px; cursor: pointer; color: var(--text-2); }
.palette-item svg { flex: none; margin-top: 3px; opacity: 0.8; }
.palette-item.on { background: var(--accent-bg); color: var(--text); }
.pi-body { min-width: 0; }
.pi-t { color: var(--text); font-weight: 600; font-size: 0.93rem; }
.pi-s { font-size: 0.8rem; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.palette-empty { padding: 26px 18px; color: var(--muted); text-align: center; }
.palette-foot { display: flex; gap: 16px; padding: 8px 16px; border-top: 1px solid var(--border); background: var(--panel-2); font-size: 0.75rem; color: var(--muted); }
@media (max-width: 600px) { .palette-foot { display: none; } .palette-bg { padding-top: 12px; } }
.count-pill { font-size: 0.72rem; background: var(--panel-3); color: var(--muted); padding: 1px 7px; border-radius: 10px; margin-left: 4px; }

/* ---------- trading simulator ---------- */
.sim-live { display: flex; flex-direction: column; gap: 12px; }
.sim-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px 18px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 14px;
  position: sticky; top: 8px; z-index: 20; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}
@media (max-width: 900px) { .sim-bar { top: 58px; } }
.sim-quote { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.sim-tick { font-size: 1.2rem; }
.sim-last { font: 700 1.2rem var(--mono); font-variant-numeric: tabular-nums; }
.sim-clock { font-family: var(--mono); font-size: 0.95rem; display: flex; align-items: center; gap: 8px; }
.sim-ctrls { gap: 8px; }
.sim-ctrls .seg button { padding: 4px 9px; font-size: 0.8rem; }
.blink { animation: blink 1.2s ease-in-out infinite; }
@keyframes blink { 50% { opacity: 0.45; } }
.sim-note-wrap:empty { display: none; }
.sim-note {
  display: flex; gap: 9px; align-items: flex-start; padding: 9px 13px; border-radius: 9px; font-size: 0.9rem;
  background: var(--purple-bg); border: 1px solid var(--border); border-left: 4px solid var(--purple); color: var(--text);
}
.sim-note.warn { background: var(--amber-bg); border-left-color: var(--amber); }
.sim-note.danger { background: var(--red-bg); border-left-color: var(--red); }
.sim-note svg { flex: none; margin-top: 2px; }
.sim-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 12px; align-items: start; }
.sim-main, .sim-side { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
@media (max-width: 1150px) {
  .sim-grid { grid-template-columns: minmax(0, 1fr); }
  .sim-side { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) { .sim-side { grid-template-columns: minmax(0, 1fr); } .hide-sm { display: none; } }
.sim-chart { position: relative; cursor: crosshair; user-select: none; }
.sim-chart.stop-mode { box-shadow: 0 0 0 2px var(--red); }
.sim-xh { position: absolute; left: 0; right: 0; height: 0; border-top: 1px dashed var(--muted); pointer-events: none; display: none; }
.sim-xh-tag {
  position: absolute; right: 4px; transform: translateY(-50%); pointer-events: none; display: none;
  background: var(--panel-3); border: 1px solid var(--border-2); border-radius: 4px; padding: 1px 6px; font: 11px var(--mono); color: var(--text);
}
.sim-chart.stop-mode .sim-xh { border-top-color: var(--red); }
.sim-chart.stop-mode .sim-xh-tag { background: var(--red); border-color: var(--red); color: #fff; }
.sim-card-wrap { position: absolute; left: 12px; right: 12px; top: 34px; display: flex; pointer-events: none; }
.sim-card {
  pointer-events: auto; cursor: default; max-width: 470px; background: var(--panel); border: 1px solid var(--accent); border-radius: 12px;
  box-shadow: var(--shadow); padding: 14px 16px; font-size: 0.9rem; color: var(--text-2); animation: fade 0.15s ease;
}
.sim-card h3 { margin: 0 0 8px; font-size: 1.02rem; color: var(--text); }
.sim-card p { margin: 0 0 8px; }
.plan-list { margin: 0; padding-left: 18px; }
.plan-list li { margin: 4px 0; }
.sim-orders { padding: 14px 16px; }
.sim-order-grid { display: grid; grid-template-columns: auto auto minmax(0, 1fr); gap: 12px 18px; align-items: end; }
@media (max-width: 860px) { .sim-order-grid { grid-template-columns: minmax(0, 1fr); } }
.sim-btns { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
.sim-btns .btn { padding: 10px 16px; font-weight: 700; }
.sim-buy { background: var(--green); border-color: var(--green); color: #04130a; }
.sim-buy:hover { background: var(--green); filter: brightness(1.08); }
.sim-sell { background: var(--red); border-color: var(--red); color: #fff; }
.sim-sell:hover { background: var(--red); filter: brightness(1.08); }
.sim-btns kbd { background: rgba(0, 0, 0, 0.18); border-color: rgba(0, 0, 0, 0.22); color: inherit; margin-left: 2px; }
.sim-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px 16px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); }
.sim-stats > div { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.sim-stats .k { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.sim-stats .v { font-weight: 700; font-size: 0.98rem; font-variant-numeric: tabular-nums; }
.sim-stats .s { font-size: 0.74rem; color: var(--faint); }
.l2-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4px; }
.l2-t, .tape-t { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 0.78rem; font-variant-numeric: tabular-nums; }
.l2-t th { font: 600 0.68rem var(--font); color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; text-align: left; padding: 2px 6px 4px; }
.l2-t td { padding: 2px 6px; position: relative; }
.l2-t .num, .tape-t .num { text-align: right; }
.l2-t.bid td { color: var(--green); }
.l2-t.ask td { color: var(--red); }
.l2-t.bid tr.lv0 td { background: rgba(34, 197, 94, 0.17); }
.l2-t.bid tr.lv1 td { background: rgba(34, 197, 94, 0.11); }
.l2-t.bid tr.lv2 td { background: rgba(34, 197, 94, 0.07); }
.l2-t.bid tr.lv3 td { background: rgba(34, 197, 94, 0.04); }
.l2-t.ask tr.lv0 td { background: rgba(239, 68, 68, 0.17); }
.l2-t.ask tr.lv1 td { background: rgba(239, 68, 68, 0.11); }
.l2-t.ask tr.lv2 td { background: rgba(239, 68, 68, 0.07); }
.l2-t.ask tr.lv3 td { background: rgba(239, 68, 68, 0.04); }
.l2-t tr.big td { font-weight: 800; color: var(--text); }
.l2-bar { position: absolute; top: 3px; bottom: 3px; right: 0; opacity: 0.2; border-radius: 2px; }
.l2-bar.b { background: var(--green); }
.l2-bar.a { background: var(--red); }
.l2-n { position: relative; }
.tape-t td { padding: 1px 6px; }
.tape-t tr.a td { color: var(--green); }
.tape-t tr.b td { color: var(--red); }
.tape-t tr.m td { color: var(--text-2); }
.tape-t tr.big td { font-weight: 800; background: var(--panel-3); }
.sim-log { max-height: 170px; overflow-y: auto; font-size: 0.82rem; display: flex; flex-direction: column; gap: 3px; }
.sim-log .lg { color: var(--text-2); }
.sim-log .t { font-family: var(--mono); color: var(--faint); font-size: 0.74rem; margin-right: 6px; }
.sim-log .buy { color: var(--accent-2); }
.sim-log .win { color: var(--green); }
.sim-log .loss { color: var(--red); }
.sim-log .warn { color: var(--amber); }
.sim-log .coach { color: var(--purple); }
:root[data-theme='light'] .sim-log .buy { color: var(--accent); }
.ch-pm { fill: var(--panel-3); opacity: 0.35; }
.ch-open { stroke: var(--border-2); stroke-width: 1; stroke-dasharray: 3 3; }
.ch-lvl { stroke: var(--border-2); stroke-width: 1; stroke-dasharray: 1 5; }
.ch-halt { fill: var(--amber); opacity: 0.12; }
.an-tag.last { fill: var(--text); }
.an-tag-text.last { fill: var(--bg); }
.fill-b { fill: var(--accent); stroke: var(--chart-bg); stroke-width: 1; }
.fill-s { fill: var(--green); stroke: var(--chart-bg); stroke-width: 1; }
.fill-x { fill: var(--red); stroke: var(--chart-bg); stroke-width: 1; }
.scan-t td, .scan-t th { vertical-align: middle; }
.scan-row { cursor: pointer; }
.scan-row.sel td { background: var(--accent-bg) !important; }
.scan-row.best td:first-child { box-shadow: inset 3px 0 0 var(--green); }
.scan-t input[type='radio'] { accent-color: var(--accent); width: 16px; height: 16px; }
.mk { font-weight: 800; font-size: 0.8rem; margin-left: 2px; }
.mk.ok { color: var(--green); }
.mk.meh { color: var(--amber); }
.mk.no { color: var(--red); }
.sel-row td { background: var(--accent-bg); }
.chk { display: flex; gap: 10px; align-items: flex-start; padding: 7px 0; border-bottom: 1px solid var(--border); }
.chk:last-child { border-bottom: 0; }
.chk .ico { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; flex: none; font-weight: 800; font-size: 0.8rem; }
.chk.ok .ico { background: var(--green-bg); color: var(--green); }
.chk.no .ico { background: var(--red-bg); color: var(--red); }
.pb-row { display: flex; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.pb-row:last-child { border-bottom: 0; }
.pb-t { font-family: var(--mono); color: var(--muted); min-width: 42px; }
.spark { display: block; }
.abbr-t td.abbr { font-family: var(--mono); font-weight: 800; color: var(--text); white-space: nowrap; }
.abbr-t td:nth-child(2) { color: var(--text); font-weight: 600; min-width: 180px; }
.abbr-t td:nth-child(3) { color: var(--text-2); min-width: 220px; }
.abbr-t tr.grp td { background: var(--panel-2); color: var(--accent-2); font-weight: 800; font-size: 0.8rem; letter-spacing: 0.4px; padding-top: 7px; padding-bottom: 7px; }
:root[data-theme='light'] .abbr-t tr.grp td { color: var(--accent); }
.abbr-t tbody tr.grp:hover td { background: var(--panel-2); }
@media print { .abbr-t { font-size: 9pt; } .abbr-t td, .abbr-t th { padding: 3px 6px; } }
@media screen and (max-width: 700px) {
  .abbr-t thead { display: none; }
  .abbr-t, .abbr-t tbody, .abbr-t tr, .abbr-t td { display: block; width: 100%; }
  .abbr-t tr { padding: 9px 14px; border-bottom: 1px solid var(--border); }
  .abbr-t td { border: 0; padding: 1px 0; min-width: 0 !important; }
  .abbr-t td.abbr { font-size: 1.02rem; }
  .abbr-t tr.grp { padding: 0; }
  .abbr-t tr.grp td { padding: 6px 14px; }
  .abbr-t tbody tr:hover td { background: transparent; }
}
.click-chart { position: relative; cursor: crosshair; user-select: none; }
.welcome-steps { padding-left: 20px; margin: 10px 0 14px; }
.welcome-steps li { margin: 7px 0; color: var(--text-2); }
.plan-numbers { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px 16px; margin: 14px 0 6px; padding: 12px 14px; background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.plan-numbers > div { display: flex; flex-direction: column; }
.plan-numbers .k { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.plan-numbers .v { font-weight: 700; font-variant-numeric: tabular-nums; }
.plan-sec { padding: 12px 0; border-bottom: 1px solid var(--border); }
.plan-sec:last-child { border-bottom: 0; }
.plan-sec h3 { margin: 0 0 4px; font-size: 0.98rem; }
.plan-sec p { margin: 0; color: var(--text-2); }
@media print { .plan-doc { border: 0; padding: 0; } .plan-sec { break-inside: avoid; padding: 6px 0; } }
.guided-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.guided { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; background: var(--panel-2); display: flex; flex-direction: column; }
.guided p { flex: 1; }
.guided.done { border-color: rgba(34, 197, 94, 0.4); }
/* session type picker on the simulator's start screen */
.seg.sim-mode { display: grid; grid-template-columns: 1fr 1fr; width: 100%; margin: 0 0 12px; }
.sim-mode label { position: relative; display: flex; flex-direction: column; gap: 1px; padding: 7px 12px; border-radius: 7px; cursor: pointer; color: var(--text-2); font-size: 0.9rem; }
.sim-mode label span { font-size: 0.78rem; color: var(--muted); }
.sim-mode label.on { background: var(--panel-3); color: var(--text); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25); }
.sim-mode input { position: absolute; opacity: 0; pointer-events: none; }
.sim-mode label:focus-within { outline: 2px solid var(--accent); outline-offset: 1px; }
.tape-drill { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 12px; margin: 10px 0 4px; }
@media (max-width: 700px) { .tape-drill { grid-template-columns: minmax(0, 1fr); } }
