/* quant-ai-green-theme.css — design tokens + shared components.
 * Source of truth: docs/design_handoff_quant_ai_green/README.md (§Design Tokens).
 * Theme "Fintech Sáng" — light green, Be Vietnam Pro + JetBrains Mono (Google Fonts). */

:root {
    /* Surfaces */
    --qa-bg: #f2f7f3;
    --qa-card: #ffffff;
    --qa-card-nested: #f7fbf8;
    /* Borders */
    --qa-border: #dcebe0;
    --qa-border-soft: #e3f0e7;
    --qa-divider: #eaf3ed;
    --qa-border-accent: #bfe3cc;
    /* Text */
    --qa-ink: #0c1f14;
    --qa-body: #12261a;
    --qa-body-2: #3e5647;
    --qa-muted: #5a7263;
    --qa-faint: #7ea88c;
    /* Accent + semantic (LONG/bullish = green, SHORT/bearish = red) */
    --qa-green: #16a34a;
    --qa-green-soft: #e7f5ec;
    --qa-red: #dc2626;
    --qa-neutral: #5a7263;
    /* Type */
    --qa-font-ui: 'Be Vietnam Pro', system-ui, sans-serif;
    --qa-font-mono: 'JetBrains Mono', monospace;
    /* Shadows */
    --qa-shadow-card: 0 1px 3px rgba(12, 31, 20, .05);
    --qa-shadow-run: 0 10px 30px rgba(22, 163, 74, .35);
    --qa-shadow-chip: 0 4px 14px rgba(22, 163, 74, .3);
    --qa-shadow-decision: 0 6px 24px rgba(22, 163, 74, .1);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--qa-bg);
    color: var(--qa-body);
    font-family: var(--qa-font-ui);
    line-height: 1.6;
}
.mono { font-family: var(--qa-font-mono); }
.fx { display: flex; align-items: center; }
.gap8 { gap: 8px; }
.gap16 { gap: 16px; }
.f1 { flex: 1; min-width: 0; }
.text-center { text-align: center; }
.mb-3 { margin-bottom: 1rem; }

/* ---- App shell: fixed sidebar + main -------------------------------------- */
.qa-shell { display: flex; min-height: 100vh; align-items: stretch; }
.qa-main { flex: 1; min-width: 0; }

/* Sidebar rail (design .d-rail) */
.d-rail {
    width: 224px; flex: none;
    background: var(--qa-card);
    border-right: 1px solid var(--qa-border);
    padding: 22px 16px;
    display: flex; flex-direction: column; gap: 4px;
    position: sticky; top: 0; height: 100vh;
}
.d-rbrand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 18px; }
.d-rname { font-weight: 800; font-size: 14.5px; color: var(--qa-ink); line-height: 1.2; }
.d-rname em { font-style: normal; color: var(--qa-green); }
.d-rsub { font: 500 9px var(--qa-font-mono); letter-spacing: .16em; color: var(--qa-faint); text-transform: uppercase; }
.d-nav {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border-radius: 9px;
    font-weight: 600; font-size: 13px; color: var(--qa-muted); text-decoration: none;
    transition: color .15s ease, background .15s ease;
}
.d-nav:hover { color: var(--qa-green); }
.d-nav.on { background: var(--qa-green-soft); color: var(--qa-green); }
.d-nico { width: 16px; text-align: center; font-size: 12px; }
.d-railfoot {
    margin-top: auto; border-top: 1px solid var(--qa-border);
    padding: 14px 10px 2px;
    font: 500 10px var(--qa-font-mono); color: var(--qa-faint); line-height: 1.8;
}

/* Logo mark — 4 candlestick bars, pure CSS (no image asset) */
.b-mark { display: flex; align-items: flex-end; gap: 3px; height: 24px; }
.b-mark i { width: 6px; border-radius: 2px; background: var(--qa-green); display: block; }

/* ---- Cards & section titles ----------------------------------------------- */
.d-card {
    background: var(--qa-card);
    border: 1px solid var(--qa-border);
    border-radius: 14px;
    padding: 20px 22px;
    margin-bottom: 16px;
    box-shadow: var(--qa-shadow-card);
}
.b-ct { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15.5px; color: var(--qa-ink); margin: 0 0 16px; }
.b-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--qa-green); flex: none; }
.b-stepen { font: 500 10px var(--qa-font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--qa-faint); margin-left: auto; }

/* Stat tiles */
.b-stats3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.b-stat { background: var(--qa-card-nested); border: 1px solid var(--qa-border-soft); border-radius: 12px; padding: 16px; text-align: center; }
.b-statnum { font: 700 24px var(--qa-font-mono); color: var(--qa-ink); }
.b-statlab { font-size: 11px; color: var(--qa-faint); text-transform: uppercase; letter-spacing: .12em; margin-top: 4px; }

/* ---- Chips (assets, timeframes) ------------------------------------------- */
.b-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.b-chip, .asset-btn, .timeframe-btn, .mtf-tf-item {
    font-family: var(--qa-font-ui);
    font-weight: 600; font-size: 13.5px; color: var(--qa-body-2);
    background: var(--qa-bg); border: 1px solid var(--qa-border);
    border-radius: 999px; padding: 10px 18px; cursor: pointer;
    transition: border-color .15s ease, background .15s ease;
    user-select: none;
}
.b-chip:hover, .asset-btn:hover, .timeframe-btn:hover, .mtf-tf-item:hover { border-color: var(--qa-green); }
.b-chipmono, .asset-btn, .timeframe-btn, .mtf-tf-item { font-family: var(--qa-font-mono); font-size: 12.5px; }
.b-chip.on, .asset-btn.active, .timeframe-btn.active,
.mtf-tf-item:has(input:checked) {
    background: var(--qa-green); border-color: var(--qa-green); color: #fff;
    box-shadow: var(--qa-shadow-chip);
}
.mtf-tf-item { display: inline-flex; align-items: center; }
.mtf-tf-item input { position: absolute; opacity: 0; pointer-events: none; }

/* ---- Segmented control (analysis mode) ------------------------------------ */
.b-seg { display: inline-flex; background: var(--qa-bg); border: 1px solid var(--qa-border); border-radius: 12px; padding: 4px; gap: 2px; margin-top: 12px; }
.b-segbtn { position: relative; border-radius: 9px; padding: 10px 22px; font-weight: 600; font-size: 13px; color: var(--qa-muted); cursor: pointer; transition: color .15s ease; }
.b-segbtn input { position: absolute; opacity: 0; pointer-events: none; }
.b-segbtn:has(input:checked) { background: var(--qa-card); color: var(--qa-green); box-shadow: 0 1px 4px rgba(12, 31, 20, .12); }

/* ---- Inputs / labels / checkbox / hints ------------------------------------ */
.b-input {
    background: var(--qa-card); border: 1.5px solid var(--qa-border); border-radius: 10px;
    padding: 11px 14px; color: var(--qa-body); font-size: 13.5px;
    width: 100%; font-family: var(--qa-font-ui);
}
.b-input:focus { outline: none; border-color: var(--qa-green); }
.b-input.mono, select.b-input option { font-family: var(--qa-font-mono); font-size: 12.5px; }
.b-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.b-lab { font-weight: 600; font-size: 13px; color: var(--qa-body-2); margin: 16px 0 8px; display: block; }
.b-check { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--qa-body-2); margin-top: 14px; cursor: pointer; }
.b-check input { position: absolute; opacity: 0; pointer-events: none; }
.b-cbox {
    width: 17px; height: 17px; border-radius: 5px;
    background: var(--qa-card); border: 1.5px solid var(--qa-border); color: transparent;
    display: flex; align-items: center; justify-content: center;
    font: 700 11px var(--qa-font-mono); flex: none;
}
.b-check input:checked + .b-cbox { background: var(--qa-green); border-color: var(--qa-green); color: #fff; }
.b-hint { font-size: 12px; color: var(--qa-faint); margin-top: 8px; }

/* ---- Buttons ---------------------------------------------------------------- */
.b-run {
    display: inline-flex; align-items: center; justify-content: center; gap: 12px;
    background: var(--qa-green); color: #fff;
    font-weight: 800; font-size: 16.5px; font-family: var(--qa-font-ui);
    border-radius: 999px; padding: 18px 52px; border: none; cursor: pointer;
    box-shadow: var(--qa-shadow-run);
    transition: transform .15s ease, box-shadow .15s ease;
}
.b-run:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 14px 34px rgba(22, 163, 74, .45); }
.b-run:disabled { opacity: .55; cursor: not-allowed; }
.b-runsub { font-size: 12px; color: var(--qa-faint); margin-top: 12px; }
.b-ghost {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--qa-card); border: 1.5px solid var(--qa-border); color: var(--qa-body-2);
    border-radius: 999px; padding: 9px 18px;
    font-weight: 600; font-size: 12.5px; font-family: var(--qa-font-ui);
    cursor: pointer; text-decoration: none;
    transition: border-color .15s ease;
}
.b-ghost:hover { border-color: var(--qa-green); color: var(--qa-green); }

/* ---- Alerts (validation / API key status) ---------------------------------- */
.qa-alert { border-radius: 10px; padding: 11px 14px; font-size: 12.5px; margin-top: 10px; }
.qa-alert-error { background: #fef2f2; border: 1px solid #fecaca; color: var(--qa-red); }
.qa-alert-info { background: var(--qa-card-nested); border: 1px solid var(--qa-border-soft); color: var(--qa-muted); }
.qa-alert-success { background: var(--qa-green-soft); border: 1px solid var(--qa-border-accent); color: var(--qa-green); }