/* ==========================================================================
   AI Trader dashboard — design system
   Hand-written, zero dependencies. Works fully offline (LAN/Tailscale).
   ========================================================================== */

/* ── Design tokens ─────────────────────────────────────────────────────── */
:root {
    /* palette (dark fintech) */
    --bg-0: #0f0f1a;
    --bg-1: #12122a;
    --bg-2: #1a1a2e;
    --bg-3: #252545;
    --panel-top: rgba(30, 30, 60, 0.76);
    --panel-bottom: rgba(18, 18, 42, 0.72);
    --border: rgba(129, 140, 248, 0.18);
    --border-strong: rgba(129, 140, 248, 0.34);

    --accent: #6366f1;
    --accent-2: #4f46e5;
    --accent-text: #818cf8;
    --accent-soft: rgba(99, 102, 241, 0.14);

    --profit: #22c55e;
    --loss: #ef4444;
    --warn: #eab308;

    /* text ramp — all >= AA (4.5:1) on --bg-1 except --text-4/5 (hints only) */
    --text-1: #f4f4f8;
    --text-2: #d1d5db;
    --text-3: #9ca3af;
    --text-4: #8b93a3;
    --text-5: #6b7280;

    /* spacing scale (0.25rem base) */
    --s1: 0.25rem;  --s2: 0.5rem;  --s3: 0.75rem; --s4: 1rem;
    --s5: 1.25rem;  --s6: 1.5rem;  --s8: 2rem;    --s10: 2.5rem;

    /* radii */
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 12px;
    --r-xl: 16px;
    --r-full: 999px;

    /* shadows */
    --shadow-card: 0 16px 50px rgba(4, 4, 14, 0.28), 0 0 24px rgba(99, 102, 241, 0.08);
    --shadow-raise: 0 20px 55px rgba(4, 4, 14, 0.4), 0 0 28px rgba(99, 102, 241, 0.13);
    --shadow-drawer: 0 0 60px rgba(2, 2, 10, 0.7);

    /* motion */
    --t-fast: 150ms;
    --t-med: 240ms;
    --ease: cubic-bezier(0.2, 0.7, 0.3, 1);

    /* layout */
    --sidebar-w: 14rem;
    --appbar-h: 3.75rem;
}

/* ── Reset & base ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { background: var(--bg-0); }

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-2);
    background:
        radial-gradient(circle at top left, rgba(99, 102, 241, 0.14), transparent 28rem),
        linear-gradient(145deg, #0b0b15 0%, #101024 48%, #0f0f1a 100%);
    background-attachment: fixed;
    min-height: 100vh;
    line-height: 1.5;
}

h1, h2, h3, h4, p { margin: 0; }

/* long unbreakable strings (URLs, model tokens) must wrap, never blow out layouts */
p, h1, h2, h3, h4, td, th { overflow-wrap: break-word; }

a { color: var(--accent-text); text-decoration: none; }

img, svg, canvas { max-width: 100%; }

/* visible focus states */
a:focus-visible, button:focus-visible, input:focus-visible,
summary:focus-visible, [tabindex]:focus-visible {
    outline: 2px solid var(--accent-text);
    outline-offset: 2px;
    border-radius: var(--r-sm);
}

/* ── Shell: sidebar / appbar / drawer / main ───────────────────────────── */
.skip-link {
    position: fixed;
    top: -100px;
    left: var(--s4);
    z-index: 100;
    background: var(--accent-2);
    color: #fff;
    padding: var(--s2) var(--s4);
    border-radius: var(--r-md);
    transition: top var(--t-fast) var(--ease);
}
.skip-link:focus { top: var(--s3); }

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--sidebar-w);
    z-index: 60;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--panel-top), var(--panel-bottom));
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-right: 1px solid rgba(129, 140, 248, 0.1);
}

.sidebar-brand {
    padding: var(--s5);
    border-bottom: 1px solid rgba(129, 140, 248, 0.1);
}
.sidebar-brand h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-1);
    display: flex;
    align-items: center;
    gap: var(--s2);
}
.sidebar-brand p { font-size: 0.75rem; color: var(--text-5); margin-top: var(--s1); }

.sidebar-nav {
    flex: 1;
    padding: var(--s3);
    display: flex;
    flex-direction: column;
    gap: var(--s1);
    overflow-y: auto;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--s3);
    padding: 0.625rem var(--s3);   /* >= 40px touch target */
    min-height: 40px;
    border-radius: var(--r-md);
    font-size: 0.875rem;
    color: var(--text-2);
    transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.nav-link:hover { background: rgba(99, 102, 241, 0.1); color: var(--text-1); transform: translateX(2px); }
.nav-link.active, .nav-link[aria-current="page"] { background: rgba(99, 102, 241, 0.15); color: var(--accent-text); }

.sidebar-status {
    padding: var(--s3);
    border-top: 1px solid rgba(129, 140, 248, 0.1);
}

/* top app bar + hamburger: mobile/tablet only */
.appbar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--appbar-h);
    z-index: 55;
    align-items: center;
    gap: var(--s3);
    padding: 0 var(--s4);
    background: linear-gradient(180deg, rgba(22, 22, 48, 0.92), rgba(16, 16, 38, 0.88));
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.appbar-brand {
    font-weight: 700;
    color: var(--text-1);
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: var(--s2);
    flex: 1;
    min-width: 0;
}
.appbar-mode { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }

.hamburger {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text-2);
    cursor: pointer;
    padding: 0;
    transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.hamburger:hover { background: rgba(99, 102, 241, 0.12); border-color: var(--border-strong); }
.hamburger svg { width: 20px; height: 20px; }

.backdrop {
    position: fixed;
    inset: 0;
    z-index: 58;
    background: rgba(5, 5, 15, 0.6);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t-med) var(--ease);
}
.backdrop.open { opacity: 1; pointer-events: auto; }

.main {
    min-width: 0;
    min-height: 100vh;
    padding: var(--s6);
}

@media (min-width: 1024px) {
    .main { margin-left: var(--sidebar-w); }
}

@media (max-width: 1023.98px) {
    .appbar { display: flex; }
    .main { padding-top: calc(var(--appbar-h) + var(--s4)); padding-left: var(--s4); padding-right: var(--s4); }
    .sidebar {
        width: min(18rem, 84vw);
        transform: translateX(-105%);
        visibility: hidden;
        transition: transform var(--t-med) var(--ease), visibility 0s linear var(--t-med);
        box-shadow: none;
    }
    .sidebar.open {
        transform: translateX(0);
        visibility: visible;
        transition: transform var(--t-med) var(--ease), visibility 0s;
        box-shadow: var(--shadow-drawer);
    }
    body.drawer-open { overflow: hidden; }
}

@media (max-width: 639.98px) {
    .main { padding: calc(var(--appbar-h) + var(--s3)) var(--s3) var(--s4); }
}

/* ── Surfaces ──────────────────────────────────────────────────────────── */
.glass {
    background: linear-gradient(180deg, var(--panel-top), var(--panel-bottom));
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border);
}
.glow { box-shadow: var(--shadow-card); }

.card-hover { transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease); }
.card-hover:hover { transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--shadow-raise); }

/* ── Page scaffolding ──────────────────────────────────────────────────── */
.page { max-width: 80rem; margin: 0 auto; min-width: 0; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--s4);
    flex-wrap: wrap;
}
.page-title { font-size: 1.5rem; font-weight: 700; color: var(--text-1); }
.page-sub { color: var(--text-4); font-size: 0.875rem; }

@media (max-width: 639.98px) {
    .page-header { flex-direction: column; align-items: stretch; gap: var(--s3); }
    .page-header form { display: flex; width: 100%; }
    .page-header form .btn, .page-header > .btn { flex: 1; justify-content: center; white-space: normal; text-align: center; }
    .page-header form:has(.input) .btn { flex: 0 0 auto; }
    .page-header .input { flex: 1; }
    .page-title { font-size: 1.3rem; }
}

/* ── Stat cards ────────────────────────────────────────────────────────── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(170px, 100%), 1fr));
    gap: var(--s4);
}
.stat-grid-sm {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(112px, 100%), 1fr));
    gap: var(--s3);
}

.stat-card {
    background: linear-gradient(180deg, var(--panel-top), var(--panel-bottom));
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-card);
    padding: var(--s4);
    min-width: 0;
    transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.stat-card:hover { transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--shadow-raise); }
.stat-card-center { text-align: center; padding: var(--s3); }

.stat-label {
    font-size: 0.72rem;
    color: var(--text-4);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.stat-value {
    margin-top: var(--s1);
    font-size: clamp(1.2rem, 0.9rem + 1.4vw, 1.5rem);
    font-weight: 700;
    color: var(--text-1);
    overflow-wrap: anywhere;
    line-height: 1.2;
}
.stat-value-lg { font-size: clamp(1.4rem, 1rem + 2vw, 1.875rem); }
.stat-sub { font-size: 0.75rem; margin-top: 2px; }

/* ── Buttons & inputs ──────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    min-height: 40px;
    padding: var(--s2) var(--s4);
    border: 0;
    border-radius: var(--r-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: #fff;
    cursor: pointer;
    transition: filter var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.btn:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent-2); box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35); }
.btn-success { background: var(--profit); font-weight: 700; box-shadow: 0 6px 20px rgba(34, 197, 94, 0.28); }

.input {
    min-height: 40px;
    background: var(--bg-2);
    border: 1px solid #374151;
    border-radius: var(--r-md);
    padding: var(--s2) var(--s3);
    font-size: 0.875rem;
    color: var(--text-1);
    min-width: 0;
}
.input::placeholder { color: var(--text-5); }
.input:focus { border-color: var(--accent); outline: none; }

/* ── Badges & pills ────────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 0.125rem var(--s2);
    border-radius: var(--r-sm);
    font-size: 0.72rem;
    line-height: 1.5;
    white-space: nowrap;
}
.pill { border-radius: var(--r-full); padding: 0.125rem var(--s2); font-size: 0.75rem; display: inline-block; white-space: nowrap; }

.badge-profit  { background: rgba(34, 197, 94, 0.18);  color: var(--profit); }
.badge-profit-soft { background: rgba(34, 197, 94, 0.1); color: var(--profit); }
.badge-loss    { background: rgba(239, 68, 68, 0.18);  color: var(--loss); }
.badge-loss-soft { background: rgba(239, 68, 68, 0.1); color: var(--loss); }
.badge-warn    { background: rgba(234, 179, 8, 0.18);  color: var(--warn); }
.badge-warn-soft { background: rgba(234, 179, 8, 0.1); color: var(--warn); }
.badge-info    { background: rgba(99, 102, 241, 0.2);  color: var(--accent-text); }
.badge-blue    { background: rgba(59, 130, 246, 0.12); color: #60a5fa; }
.badge-purple  { background: rgba(168, 85, 247, 0.12); color: #c084fc; }
.badge-red     { background: rgba(239, 68, 68, 0.12);  color: #f87171; }
.badge-green   { background: rgba(34, 197, 94, 0.1);   color: #4ade80; }
.badge-neutral { background: #2a2a4a;                  color: var(--text-3); }
.badge-dim     { background: #23233f;                  color: var(--text-4); }
.badge-white   { background: rgba(255, 255, 255, 0.1); color: var(--text-1); }

/* ── Tables ────────────────────────────────────────────────────────────── */
.table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--r-md);
    border: 1px solid rgba(129, 140, 248, 0.1);
    background-color: var(--bg-1);
    scrollbar-width: thin;
    scrollbar-color: var(--bg-3) transparent;
    /* scroll-shadow affordance: shadow appears only where more content hides */
    background-image:
        linear-gradient(to right, var(--bg-1) 30%, rgba(18, 18, 42, 0)),
        linear-gradient(to left, var(--bg-1) 30%, rgba(18, 18, 42, 0)),
        radial-gradient(farthest-side at 0 50%, rgba(3, 3, 12, 0.5), rgba(0, 0, 0, 0)),
        radial-gradient(farthest-side at 100% 50%, rgba(3, 3, 12, 0.5), rgba(0, 0, 0, 0));
    background-position: 0 0, 100% 0, 0 0, 100% 0;
    background-repeat: no-repeat;
    background-size: 36px 100%, 36px 100%, 12px 100%, 12px 100%;
    background-attachment: local, local, scroll, scroll;
}
.table-wrap::-webkit-scrollbar { height: 8px; width: 8px; }
.table-wrap::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 4px; }

.table-wrap table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.table-wrap thead th {
    text-align: left;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-4);
    font-weight: 500;
    padding: var(--s2) var(--s3);
    border-bottom: 1px solid #1f1f3d;
    background: rgba(15, 15, 30, 0.5);
    white-space: nowrap;
}
.table-wrap tbody td { padding: 0.625rem var(--s3); border-bottom: 1px solid rgba(31, 31, 61, 0.55); }
.table-wrap tbody tr:last-child td { border-bottom: 0; }
.table-wrap tbody tr:hover { background: rgba(37, 37, 69, 0.25); }
.table-wrap th.ta-r, .table-wrap td.ta-r { text-align: right; }
.table-wrap th.ta-c, .table-wrap td.ta-c { text-align: center; }

/* per-table min widths (scroll inside .table-wrap, never the page) */
.mw-680 { min-width: 680px; }
.mw-760 { min-width: 760px; }
.mw-860 { min-width: 860px; }
.mw-900 { min-width: 900px; }
.mw-940 { min-width: 940px; }
.mw-960 { min-width: 960px; }

/* ── Responsive grid helpers ───────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: var(--s3); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr)); gap: var(--s4); }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(135px, 100%), 1fr)); gap: var(--s4); }
.scores-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(95px, 100%), 1fr)); gap: var(--s3); flex: 1; }
.heatmap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(115px, 100%), 1fr)); gap: var(--s3); }
.edge-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(165px, 100%), 1fr)); gap: var(--s3); }
.watch-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s2); }

.split-2 { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s6); }
.split-3 { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s6); }
@media (min-width: 1024px) {
    .split-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .split-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .split-3 > .span-2 { grid-column: span 2; }
}

/* grid items must be allowed to shrink below their content's max-content */
.split-2 > *, .split-3 > *, .grid-2 > *, .grid-3 > *, .grid-4 > *,
.stat-grid > *, .stat-grid-sm > *, .heatmap-grid > *, .edge-grid > *,
.scores-grid > *, .watch-metrics > * { min-width: 0; }

/* watchlist dual view: cards on small screens, table from 768px up */
.watch-cards { display: grid; gap: var(--s3); }
.watch-table { display: none; }
@media (min-width: 768px) {
    .watch-cards { display: none; }
    .watch-table { display: block; }
}

/* small-screen hiding (news meta columns) */
@media (max-width: 639.98px) {
    .hide-sm { display: none !important; }
}

/* ── Charts ────────────────────────────────────────────────────────────── */
.chart-card { min-height: 360px; }
.chart-canvas { display: block; width: 100%; height: 300px; max-height: 42vh; }
@media (max-width: 1023.98px) { .chart-card { min-height: 320px; } .chart-canvas { height: 260px; } }
@media (max-width: 639.98px) { .chart-canvas { height: 230px; } }

/* ── Direction icons, score ring, score bar ────────────────────────────── */
.dir-icon {
    width: 2rem; height: 2rem; flex: 0 0 2rem;
    border-radius: var(--r-full);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 0.875rem; font-weight: 700;
}
.dir-icon-lg { width: 3rem; height: 3rem; flex: 0 0 3rem; border-radius: var(--r-lg); font-size: 1.25rem; }
.dir-profit { background: rgba(34, 197, 94, 0.18); color: var(--profit); }
.dir-loss { background: rgba(239, 68, 68, 0.18); color: var(--loss); }
.dir-neutral { background: #2a2a4a; color: var(--text-3); }

.score-ring { position: relative; width: 5rem; height: 5rem; flex: 0 0 5rem; }
.score-ring-lg { width: 6rem; height: 6rem; flex-basis: 6rem; }
.score-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); display: block; }
.score-ring-val {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.125rem; font-weight: 700;
}
.score-ring-lg .score-ring-val { font-size: 1.5rem; }

.score-bar { height: 6px; border-radius: 3px; background: var(--bg-3); overflow: hidden; }
.score-fill { height: 6px; border-radius: 3px; transition: width 0.5s var(--ease); }
.fill-blue { background: #3b82f6; }
.fill-purple { background: #a855f7; }
.fill-cyan { background: #06b6d4; }
.fill-red { background: #ef4444; }

.score-chip {
    width: 1.5rem; height: 1.5rem;
    border-radius: var(--r-sm);
    font-size: 0.62rem;
    display: inline-flex; align-items: center; justify-content: center;
}

/* ── Activity rows (dashboard feeds) ───────────────────────────────────── */
.activity-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s3);
    padding: var(--s3);
    border-radius: var(--r-md);
    background: rgba(15, 15, 30, 0.5);
    transition: background var(--t-fast) var(--ease);
}
.activity-row:hover { background: rgba(37, 37, 69, 0.35); }
.activity-main { display: flex; align-items: center; gap: var(--s3); min-width: 0; }
.activity-main > div { min-width: 0; }
.activity-meta { text-align: right; flex-shrink: 0; }
@media (max-width: 639.98px) {
    .activity-row { flex-direction: column; align-items: stretch; }
    .activity-meta { text-align: left; width: 100%; }
    .activity-meta .flex { flex-wrap: wrap; justify-content: flex-start; }
}

/* prediction card header/body stacking */
.stack-sm { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s4); }
.stack-sm .levels { text-align: right; flex-shrink: 0; }
@media (max-width: 639.98px) {
    .stack-sm { flex-direction: column; align-items: stretch; }
    .stack-sm .levels { text-align: left; width: 100%; }
    .pred-levels { margin-left: 0 !important; text-align: left; width: 100%; }
}

/* ── Job banner / spinner / skeleton ───────────────────────────────────── */
.job-banner {
    display: flex;
    align-items: center;
    gap: var(--s3);
    margin-bottom: var(--s4);
    padding: var(--s3) var(--s4);
    border-radius: var(--r-md);
    background: linear-gradient(180deg, var(--panel-top), var(--panel-bottom));
    border: 1px solid var(--border-strong);
}
.job-track { flex: 1; background: var(--bg-2); border-radius: var(--r-full); height: 8px; margin-left: var(--s2); overflow: hidden; }
.job-fill { background: var(--accent); height: 8px; border-radius: var(--r-full); transition: width 0.4s var(--ease); }

.spinner {
    width: 1rem; height: 1rem; flex: 0 0 1rem;
    border: 2px solid var(--accent-text);
    border-top-color: transparent;
    border-radius: var(--r-full);
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton-pulse { animation: skeleton 1.4s ease-in-out infinite; }
@keyframes skeleton { 0%, 100% { opacity: 0.45; } 50% { opacity: 1; } }

.hidden { display: none !important; }

/* ── Generic utilities (hand-written; no framework) ────────────────────── */
.flex { display: flex; } .grid { display: grid; } .block { display: block; }
.inline-block { display: inline-block; } .inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; } .flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; } .flex-shrink-0 { flex-shrink: 0; } .min-w-0 { min-width: 0; }
.items-center { align-items: center; } .items-start { align-items: flex-start; } .items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; } .justify-center { justify-content: center; } .justify-start { justify-content: flex-start; }
.gap-1 { gap: var(--s1); } .gap-2 { gap: var(--s2); } .gap-3 { gap: var(--s3); }
.gap-4 { gap: var(--s4); } .gap-5 { gap: var(--s5); } .gap-6 { gap: var(--s6); }

.space-y-1 > * + * { margin-top: var(--s1); }
.space-y-1\.5 > * + * { margin-top: 0.375rem; }
.space-y-2 > * + * { margin-top: var(--s2); }
.space-y-3 > * + * { margin-top: var(--s3); }
.space-y-4 > * + * { margin-top: var(--s4); }
.space-y-6 > * + * { margin-top: var(--s6); }

.w-full { width: 100%; } .h-full { height: 100%; }
.w-8 { width: 2rem; } .h-8 { height: 2rem; }
.h-3 { height: 0.75rem; } .h-4 { height: 1rem; }
.w-2 { width: 0.5rem; } .h-2 { height: 0.5rem; }
.w-2\.5 { width: 0.625rem; } .h-2\.5 { height: 0.625rem; }
.w-16 { width: 4rem; } .w-48 { width: 12rem; }
.w-10 { width: 2.5rem; } .w-12 { width: 3rem; } .w-14 { width: 3.5rem; } .w-24 { width: 6rem; }
.max-h-80 { max-height: 20rem; } .max-h-96 { max-height: 24rem; }
.max-w-xs { max-width: 20rem; } .max-w-2xl { max-width: 42rem; }
.mw-100 { min-width: 100px; } .mxw-140 { max-width: 140px; }

.relative { position: relative; } .absolute { position: absolute; } .inset-0 { inset: 0; }

.p-2 { padding: var(--s2); } .p-3 { padding: var(--s3); } .p-4 { padding: var(--s4); }
.p-5 { padding: var(--s5); } .p-6 { padding: var(--s6); } .p-10 { padding: var(--s10); }
.p-2\.5 { padding: 0.625rem; }
.px-1\.5 { padding-left: 0.375rem; padding-right: 0.375rem; }
.px-2 { padding-left: var(--s2); padding-right: var(--s2); }
.px-3 { padding-left: var(--s3); padding-right: var(--s3); }
.px-4 { padding-left: var(--s4); padding-right: var(--s4); }
.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1 { padding-top: var(--s1); padding-bottom: var(--s1); }
.py-2 { padding-top: var(--s2); padding-bottom: var(--s2); }
.py-3 { padding-top: var(--s3); padding-bottom: var(--s3); }
.py-4 { padding-top: var(--s4); padding-bottom: var(--s4); }
.py-6 { padding-top: var(--s6); padding-bottom: var(--s6); }

.mt-0\.5 { margin-top: 0.125rem; } .mt-1 { margin-top: var(--s1); } .mt-2 { margin-top: var(--s2); }
.mt-3 { margin-top: var(--s3); } .mt-4 { margin-top: var(--s4); } .mt-6 { margin-top: var(--s6); }
.pt-2 { padding-top: var(--s2); }
.mb-1 { margin-bottom: var(--s1); } .mb-1\.5 { margin-bottom: 0.375rem; } .mb-2 { margin-bottom: var(--s2); } .mb-3 { margin-bottom: var(--s3); }
.mb-4 { margin-bottom: var(--s4); } .mb-6 { margin-bottom: var(--s6); }
.pb-2 { padding-bottom: var(--s2); }
.ml-1 { margin-left: var(--s1); } .ml-2 { margin-left: var(--s2); } .ml-auto { margin-left: auto; }
.mr-1 { margin-right: var(--s1); }
.mx-auto { margin-left: auto; margin-right: auto; }

.text-left { text-align: left; } .text-right { text-align: right; } .text-center { text-align: center; }
.text-xs { font-size: 0.75rem; } .text-sm { font-size: 0.875rem; } .text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; } .text-2xl { font-size: 1.5rem; } .text-3xl { font-size: 1.875rem; }
.fs-9 { font-size: 0.56rem; } .fs-10 { font-size: 0.625rem; } .fs-11 { font-size: 0.6875rem; }

.font-medium { font-weight: 500; } .font-semibold { font-weight: 600; } .font-bold { font-weight: 700; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.uppercase { text-transform: uppercase; } .tracking-wider { letter-spacing: 0.05em; }
.leading-relaxed { line-height: 1.625; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.whitespace-nowrap { white-space: nowrap; }

.text-white { color: var(--text-1); }
.text-gray-300 { color: var(--text-2); } .text-gray-400 { color: var(--text-3); }
.text-gray-500 { color: var(--text-4); } .text-gray-600 { color: var(--text-5); }
.text-gray-700 { color: #5b6373; }
.text-indigo-300 { color: #a5b4fc; } .text-indigo-400 { color: var(--accent-text); }
.text-profit { color: var(--profit); } .text-loss { color: var(--loss); }
.text-profit\/70 { color: rgba(34, 197, 94, 0.7); } .text-loss\/70 { color: rgba(239, 68, 68, 0.7); }
.text-loss\/80 { color: rgba(239, 68, 68, 0.8); } .text-yellow-400\/80 { color: rgba(250, 204, 21, 0.8); }
.text-yellow-400 { color: #facc15; } .text-blue-400 { color: #60a5fa; }
.text-purple-400 { color: #c084fc; } .text-red-400 { color: #f87171; } .text-red-300 { color: #fca5a5; }
.text-green-400 { color: #4ade80; } .text-cyan-400 { color: #22d3ee; }

.bg-dark-700 { background-color: var(--bg-3); } .bg-dark-800 { background-color: var(--bg-2); } .bg-dark-900 { background-color: #141428; }
.bg-dark-900\/50 { background-color: rgba(15, 15, 30, 0.5); }
.bg-dark-900\/40 { background-color: rgba(15, 15, 30, 0.4); }
.bg-dark-900\/30 { background-color: rgba(15, 15, 30, 0.3); }
.bg-gray-600 { background-color: #4b5563; } .bg-gray-700 { background-color: #2a2a4a; }
.bg-gray-700\/50 { background-color: rgba(42, 42, 74, 0.5); }
.bg-gray-800 { background-color: #23233f; }
.bg-profit { background-color: var(--profit); } .bg-loss { background-color: var(--loss); } .bg-yellow-500 { background-color: var(--warn); }
.bg-profit\/5 { background-color: rgba(34, 197, 94, 0.05); } .bg-profit\/10 { background-color: rgba(34, 197, 94, 0.1); }
.bg-profit\/15 { background-color: rgba(34, 197, 94, 0.15); } .bg-profit\/20 { background-color: rgba(34, 197, 94, 0.2); }
.bg-loss\/10 { background-color: rgba(239, 68, 68, 0.1); } .bg-loss\/15 { background-color: rgba(239, 68, 68, 0.15); } .bg-loss\/20 { background-color: rgba(239, 68, 68, 0.2); }
.bg-yellow-500\/5 { background-color: rgba(234, 179, 8, 0.05); } .bg-yellow-500\/10 { background-color: rgba(234, 179, 8, 0.1); } .bg-yellow-500\/20 { background-color: rgba(234, 179, 8, 0.2); }
.bg-indigo-500\/5 { background-color: rgba(99, 102, 241, 0.05); } .bg-indigo-500\/10 { background-color: rgba(99, 102, 241, 0.1); }
.bg-indigo-500\/15 { background-color: rgba(99, 102, 241, 0.15); } .bg-indigo-500\/20 { background-color: rgba(99, 102, 241, 0.2); }
.bg-blue-500\/5 { background-color: rgba(59, 130, 246, 0.05); } .bg-blue-500\/10 { background-color: rgba(59, 130, 246, 0.1); }
.bg-purple-500\/10 { background-color: rgba(168, 85, 247, 0.1); }
.bg-red-500\/5 { background-color: rgba(239, 68, 68, 0.05); } .bg-red-500\/10 { background-color: rgba(239, 68, 68, 0.1); }
.bg-green-500\/10 { background-color: rgba(34, 197, 94, 0.1); }
.bg-white\/10 { background-color: rgba(255, 255, 255, 0.1); }

.border { border: 1px solid var(--border); }
.border-b { border-bottom: 1px solid #1f1f3d; }
.border-t { border-top: 1px solid #1f1f3d; }
.border-l-2 { border-left: 2px solid; } .border-l-4 { border-left: 4px solid; }
.border-gray-700 { border-color: #374151; } .border-gray-800 { border-color: #1f1f3d; }
.border-gray-800\/50 { border-color: rgba(31, 31, 61, 0.5); }
.border-gray-700\/30 { border-color: rgba(55, 65, 81, 0.3); }
.border-gray-600\/30 { border-color: rgba(75, 85, 99, 0.3); }
.border-profit\/20 { border-color: rgba(34, 197, 94, 0.2); } .border-profit\/30 { border-color: rgba(34, 197, 94, 0.3); }
.border-loss\/20 { border-color: rgba(239, 68, 68, 0.2); } .border-loss\/30 { border-color: rgba(239, 68, 68, 0.3); }
.border-indigo-500\/30 { border-color: rgba(99, 102, 241, 0.3); }
.border-l-profit { border-left-color: var(--profit); } .border-l-loss { border-left-color: var(--loss); }
.border-l-yellow-400 { border-left-color: #facc15; } .border-l-yellow-500\/30 { border-left-color: rgba(234, 179, 8, 0.3); }
.border-l-gray-700 { border-left-color: #374151; } .border-l-gray-400 { border-left-color: #9ca3af; }
.border-l-red-400 { border-left-color: #f87171; } .border-l-red-400\/30 { border-left-color: rgba(248, 113, 113, 0.3); }
.border-l-blue-400 { border-left-color: #60a5fa; } .border-l-blue-400\/30 { border-left-color: rgba(96, 165, 250, 0.3); }
.border-l-indigo-400\/30 { border-left-color: rgba(129, 140, 248, 0.3); }

.rounded { border-radius: var(--r-sm); } .rounded-lg { border-radius: var(--r-md); }
.rounded-xl { border-radius: var(--r-lg); } .rounded-full { border-radius: var(--r-full); }

.overflow-hidden { overflow: hidden; } .overflow-y-auto { overflow-y: auto; } .overflow-x-auto { overflow-x: auto; }
.transition { transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease); }
.cursor-pointer { cursor: pointer; }

.hover\:underline:hover { text-decoration: underline; }
.hover\:text-white:hover { color: var(--text-1); }
.hover\:bg-dark-700\/20:hover { background-color: rgba(37, 37, 69, 0.2); }
.hover\:bg-indigo-500\/10:hover { background-color: rgba(99, 102, 241, 0.1); }
.hover\:border-indigo-500\/30:hover { border-color: rgba(99, 102, 241, 0.3); }

/* scrollable list regions */
.scroll-list { overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--bg-3) transparent; }
.scroll-list::-webkit-scrollbar { width: 8px; }
.scroll-list::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 4px; }

/* backtest mini panel + label/value pairs */
.bt-mini { width: 12rem; flex-shrink: 0; }
@media (max-width: 639.98px) { .bt-mini { width: 100%; } }
.pair-grid { display: grid; grid-template-columns: auto 1fr; column-gap: var(--s3); row-gap: 2px; }

/* thin progress/allocation bar */
.alloc-track { width: 100%; background: var(--bg-2); border-radius: var(--r-full); height: 12px; margin: var(--s2) 0 var(--s1); overflow: hidden; }
.alloc-fill { background: var(--profit); height: 12px; border-radius: var(--r-full); }

/* ── Animations (all gated behind prefers-reduced-motion) ──────────────── */
@media (prefers-reduced-motion: no-preference) {
    @keyframes rise {
        from { opacity: 0; transform: translateY(10px); }
        to { opacity: 1; transform: translateY(0); }
    }
    .reveal > * { animation: rise var(--t-med) var(--ease) both; }
    .reveal > *:nth-child(2) { animation-delay: 45ms; }
    .reveal > *:nth-child(3) { animation-delay: 90ms; }
    .reveal > *:nth-child(4) { animation-delay: 135ms; }
    .reveal > *:nth-child(5) { animation-delay: 180ms; }
    .reveal > *:nth-child(6) { animation-delay: 225ms; }
    .reveal > *:nth-child(7) { animation-delay: 270ms; }
    .reveal > *:nth-child(8) { animation-delay: 315ms; }
    .reveal > *:nth-child(n+9) { animation-delay: 360ms; }

    @keyframes pulseG {
        0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
        50% { box-shadow: 0 0 12px 4px rgba(34, 197, 94, 0.15); }
    }
    @keyframes pulseR {
        0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
        50% { box-shadow: 0 0 12px 4px rgba(239, 68, 68, 0.15); }
    }
    .pulse-green { animation: pulseG 2s infinite; }
    .pulse-red { animation: pulseR 2s infinite; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}