/* GURU COCKPIT — INSTITUTIONAL DARK DESIGN SYSTEM (Gen2) */
:root {
    --bg-deep: #0a0a0c;
    --bg-panel: #141417;
    --bg-header: #1c1c21;
    --text-main: #e2e2e7;
    --text-dim: #8e8e9a;
    --accent-primary: #3b82f6;
    --accent-secondary: #6366f1;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --border: #2d2d35;
    --border-dim: #1f1f25;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background: var(--bg-deep);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* --- OVERLAYS --- */
.hidden { display: none !important; }
#stale-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(10, 10, 12, 0.85); backdrop-filter: blur(8px);
    z-index: 9999; display: flex; align-items: center; justify-content: center;
}
.stale-msg { text-align: center; border: 1px solid var(--danger); padding: 2rem; background: var(--bg-panel); }
.stale-msg h2 { color: var(--danger); letter-spacing: 0.2rem; margin-bottom: 0.5rem; }

.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7); z-index: 10000;
    display: flex; align-items: center; justify-content: center;
}
.modal-box {
    background: var(--bg-panel); border: 1px solid var(--border);
    padding: 1.5rem; width: 400px; box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.modal-actions { display: flex; gap: 1rem; margin-top: 1.5rem; }
.modal-actions button { flex: 1; padding: 0.75rem; cursor: pointer; border: none; font-weight: bold; }
#modal-cancel { background: var(--bg-header); color: var(--text-main); }
#modal-confirm { background: var(--danger); color: white; }

/* --- HEADER --- */
header {
    height: 3.5rem; background: var(--bg-header); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; padding: 0 1rem;
}
.sys-health { display: flex; align-items: center; gap: 0.75rem; }
.logo-text { font-weight: 800; letter-spacing: 0.05rem; font-size: 0.95rem; }
.badge-mode { font-family: var(--font-mono); font-size: 0.7rem; padding: 0.2rem 0.5rem; border: 1px solid var(--accent-primary); color: var(--accent-primary); border-radius: 2px; }
.pulse-dot { width: 10px; height: 10px; background: var(--success); border-radius: 50%; box-shadow: 0 0 10px var(--success); }

.status-pill { font-family: var(--font-mono); font-size: 0.75rem; font-weight: bold; padding: 0.35rem 0.85rem; border-radius: 100px; background: var(--bg-panel); border: 1px solid var(--border); }
.status-pill.status-running { color: var(--success); border-color: var(--success); }
.status-pill.status-halted { color: var(--warning); border-color: var(--warning); }
.status-pill.status-stopped { color: var(--danger); border-color: var(--danger); }

/* --- MAIN LAYOUT --- */
main {
    flex: 1; padding: 0.75rem; display: grid; gap: 0.75rem;
    grid-template-columns: 1fr 280px 280px;
    grid-template-rows: auto 1fr;
    overflow: hidden;
}

.panel { background: var(--bg-panel); border: 1px solid var(--border); position: relative; }
.section-hero { grid-column: 1; }
.section-risk { grid-column: 2; }
.section-stats { grid-column: 3; }

/* --- HERO COMPONENTS --- */
.pos-hero-wrap { padding: 1.25rem; }
.pos-header { display: flex; align-items: flex-end; gap: 0.75rem; margin-bottom: 1rem; }
.pos-symbol { font-size: 2.5rem; font-weight: 900; line-height: 1; font-family: var(--font-mono); }
.pos-side { font-size: 0.9rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 2px; }
.side-long { background: rgba(34, 197, 94, 0.2); color: var(--success); }
.side-short { background: rgba(239, 68, 68, 0.2); color: var(--danger); }

.pos-pnl-wrap { margin-bottom: 1.5rem; }
.pos-pnl-label { font-size: 0.65rem; color: var(--text-dim); letter-spacing: 0.1rem; }
.pos-pnl-val { font-size: 3.5rem; font-weight: 800; font-family: var(--font-mono); line-height: 1; }
.val-up { color: var(--success); }
.val-down { color: var(--danger); }

.pos-meta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; border-top: 1px solid var(--border-dim); padding-top: 1rem; }
.m-label { font-size: 0.6rem; color: var(--text-dim); margin-bottom: 0.2rem; }
.m-val { font-size: 1.1rem; font-weight: 600; font-family: var(--font-mono); }

/* --- RISK & STATS --- */
.risk-module, .stats-grid { padding: 1rem; display: flex; flex-direction: column; gap: 1rem; }
.risk-state-box { padding: 0.75rem; text-align: center; font-weight: 800; font-size: 1.1rem; border: 1px solid var(--border-dim); font-family: var(--font-mono); }
.state-normal { color: var(--success); background: rgba(34, 197, 94, 0.05); }
.state-defensive { color: var(--warning); background: rgba(245, 158, 11, 0.05); }
.state-halted { color: var(--danger); background: rgba(239, 68, 68, 0.05); }

.card-label { font-size: 0.6rem; color: var(--text-dim); margin-bottom: 0.25rem; letter-spacing: 0.05rem; }
.card-val { font-size: 1.5rem; font-weight: 700; font-family: var(--font-mono); }

/* --- SESSION HUB (Tabs & Content) --- */
.section-hub {
    grid-column: 1 / span 3; background: var(--bg-panel); border: 1px solid var(--border);
    display: flex; flex-direction: column; overflow: hidden;
}
.hub-nav { background: var(--bg-header); border-bottom: 1px solid var(--border); display: flex; }
.tab-btn {
    background: transparent; border: none; color: var(--text-dim); padding: 0.75rem 1.5rem;
    cursor: pointer; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.05rem;
    border-right: 1px solid var(--border-dim); transition: 0.2s;
}
.tab-btn:hover { background: var(--bg-panel); }
.tab-btn.active { background: var(--bg-panel); color: var(--text-main); border-bottom: 1.5px solid var(--accent-primary); }

.hub-content { flex: 1; display: none; overflow: auto; }
.hub-content.active { display: block; }

/* FEED SUB-LAYOUT */
.feed-grid { display: grid; grid-template-columns: 1fr 1fr; height: 100%; }
.feed-panel { border-right: 1px solid var(--border-dim); }
.feed-scroll { padding: 0.5rem; font-size: 0.75rem; font-family: var(--font-mono); }
.feed-scroll div { margin-bottom: 0.25rem; white-space: nowrap; }
.f-manual { color: var(--accent-primary); background: rgba(59, 130, 246, 0.1); }
.f-error { color: var(--danger); font-weight: bold; }

/* TABLE SUB-LAYOUT */
.session-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 0.75rem; }
.session-table th { background: var(--bg-header); text-align: left; padding: 0.65rem; color: var(--text-dim); }
.session-table td { padding: 0.65rem; border-bottom: 1px solid var(--border-dim); }
.tr-buy { color: var(--success); }
.tr-sell { color: var(--danger); }

/* PERFORMANCE SUB-LAYOUT */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding: 1.5rem; }
.s-card { background: var(--bg-deep); border: 1px solid var(--border-dim); padding: 1rem; text-align: center; }
.s-label { font-size: 0.65rem; color: var(--text-dim); margin-bottom: 0.5rem; }
.s-val { font-size: 1.5rem; font-weight: bold; }

/* --- CONTROL STRIP --- */
.control-strip {
    height: 4rem; background: var(--bg-header); border-top: 1px solid var(--border);
    display: flex; align-items: center; padding: 0 1.5rem; gap: 2rem;
}
.control-lock-wrap { display: flex; align-items: center; gap: 1rem; border-right: 1px solid var(--border); padding-right: 2rem; }
.lock-label { font-size: 0.75rem; font-weight: 800; letter-spacing: 0.1rem; color: var(--text-dim); }
.lock-status { font-size: 0.75rem; font-weight: bold; min-width: 60px; }

.control-btns { display: flex; gap: 0.75rem; }
.control-btns.disabled { opacity: 0.3; pointer-events: none; }
.btn-ctrl {
    background: var(--bg-panel); border: 1px solid var(--border); color: var(--text-main);
    padding: 0.6rem 1.25rem; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 700;
    cursor: pointer; transition: 0.2s;
}
.btn-ctrl:hover { background: var(--bg-deep); }
.btn-resume { border-color: var(--success); color: var(--success); }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: white; }

/* --- UI SWITCH --- */
.switch { position: relative; display: inline-block; width: 50px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--bg-panel); transition: .4s; border-radius: 34px;
    border: 1px solid var(--border);
}
.slider:before {
    position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 3px;
    background-color: var(--text-dim); transition: .4s; border-radius: 50%;
}
input:checked + .slider { background-color: var(--accent-primary); }
input:checked + .slider:before { transform: translateX(26px); background-color: white; }

@media (max-width: 1200px) {
    main { grid-template-columns: 1fr 240px; }
    .section-stats { display: none; }
}

/* ============================================================
   MOBILE-FIRST ADAPTATION LAYER
   Breakpoints: 768px (tablet), 480px (phone)
   Desktop rules above are preserved untouched.
   ============================================================ */

/* --- TABLET (≤768px) --- */
@media (max-width: 768px) {
    body {
        height: auto;
        min-height: 100vh;
        min-height: 100dvh;
        overflow-y: auto;
        overflow-x: hidden;
    }

    /* Sticky health/status strip */
    header {
        position: sticky;
        top: 0;
        z-index: 100;
        height: auto;
        min-height: 3rem;
        flex-wrap: wrap;
        padding: 0.5rem 0.75rem;
        gap: 0.4rem;
    }
    .sys-health { gap: 0.5rem; }
    .logo-text { font-size: 0.8rem; }
    .badge-mode { font-size: 0.6rem; padding: 0.15rem 0.4rem; }
    .bot-status-wrap { display: flex; align-items: center; gap: 0.5rem; }

    /* Single-column stacked layout */
    main {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.5rem;
        overflow: visible;
    }

    .panel { border-radius: 6px; }

    /* Hero section — compact */
    .section-hero { order: 1; }
    .pos-hero-wrap { padding: 0.75rem; }
    .pos-header { margin-bottom: 0.5rem; gap: 0.5rem; }
    .pos-symbol { font-size: 1.75rem; }
    .pos-side { font-size: 0.75rem; }
    .pos-pnl-wrap { margin-bottom: 0.75rem; }
    .pos-pnl-label { font-size: 0.6rem; }
    .pos-pnl-val { font-size: 2.25rem; }

    /* Meta grid — 3 cols → 2 cols */
    .pos-meta-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        padding-top: 0.75rem;
    }
    .m-label { font-size: 0.55rem; }
    .m-val { font-size: 0.95rem; }

    /* Equity + PNL cards — side by side */
    .section-stats { order: 2; display: flex !important; }
    .section-stats .stat-card { flex: 1; padding: 0.75rem; }
    .section-stats .stat-card .card-val { font-size: 1.25rem; }

    /* Risk section — compact */
    .section-risk { order: 3; }
    .risk-module { padding: 0.75rem; gap: 0.5rem; }
    .risk-state-box { font-size: 0.95rem; padding: 0.5rem; }
    .card-label { font-size: 0.55rem; }
    .card-val { font-size: 1.15rem; }

    /* Hub section */
    .section-hub { order: 4; }
    .feed-grid { grid-template-columns: 1fr; }
    .feed-panel { border-right: none; border-bottom: 1px solid var(--border-dim); }
    .feed-scroll div { white-space: normal; word-break: break-word; }

    /* Session table — compact */
    .session-table { font-size: 0.65rem; }
    .session-table th, .session-table td { padding: 0.4rem 0.3rem; }

    /* Performance stats — 2×2 */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; padding: 0.75rem; }
    .s-val { font-size: 1.15rem; }

    /* Control strip — stacked */
    .control-strip {
        height: auto;
        flex-direction: column;
        padding: 0.75rem;
        gap: 0.5rem;
    }
    .control-lock-wrap {
        border-right: none;
        padding-right: 0;
        justify-content: center;
    }
    .control-btns { width: 100%; justify-content: center; flex-wrap: wrap; }
    .btn-ctrl { padding: 0.6rem 1rem; font-size: 0.75rem; }

    /* Modal — mobile friendly */
    .modal-box { width: 90%; max-width: 400px; margin: 1rem; }

    /* Stale overlay — mobile readable */
    .stale-msg { padding: 1.5rem; margin: 1rem; }
    .stale-msg h2 { font-size: 1.25rem; letter-spacing: 0.15rem; }
}

/* --- PHONE (≤480px) --- */
@media (max-width: 480px) {
    /* Ultra-compact header */
    header {
        padding: 0.4rem 0.6rem;
        min-height: 2.5rem;
    }
    .logo-text { font-size: 0.7rem; letter-spacing: 0.03rem; }
    .badge-mode { font-size: 0.55rem; }
    .pulse-dot { width: 8px; height: 8px; }
    .status-pill { font-size: 0.65rem; padding: 0.25rem 0.6rem; }
    #last-sync { font-size: 0.55rem; }

    main { padding: 0.4rem; gap: 0.4rem; }

    /* Hero — phone sized */
    .pos-hero-wrap { padding: 0.6rem; }
    .pos-symbol { font-size: 1.4rem; }
    .pos-side { font-size: 0.65rem; padding: 0.15rem 0.4rem; }
    .pos-pnl-val { font-size: 1.85rem; }
    .pos-pnl-label { font-size: 0.55rem; }
    .pos-meta-grid { gap: 0.4rem; }
    .m-label { font-size: 0.5rem; }
    .m-val { font-size: 0.85rem; }

    /* Equity cards — stacked on very narrow */
    .section-stats { flex-direction: column; }
    .section-stats .stat-card .card-val { font-size: 1.1rem; }

    /* Risk — compact */
    .risk-module { padding: 0.6rem; }
    .risk-state-box { font-size: 0.85rem; }
    .card-val { font-size: 1rem; }

    /* Hub tabs — smaller */
    .tab-btn { padding: 0.5rem 0.75rem; font-size: 0.65rem; }

    /* Feed — compact text */
    .feed-scroll { font-size: 0.65rem; padding: 0.4rem; }

    /* Mobile collapsible feed toggle */
    .mobile-feed-toggle {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        padding: 0.6rem 0.75rem;
        background: var(--bg-header);
        border-bottom: 1px solid var(--border-dim);
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }
    .mobile-feed-toggle .toggle-label {
        font-size: 0.7rem;
        font-weight: 700;
        color: var(--text-dim);
        letter-spacing: 0.05rem;
    }
    .mobile-feed-toggle .toggle-arrow {
        font-size: 0.7rem;
        color: var(--text-dim);
        transition: transform 0.2s;
    }
    .mobile-feed-toggle.collapsed .toggle-arrow {
        transform: rotate(-90deg);
    }
    .mobile-feed-body {
        max-height: 200px;
        overflow-y: auto;
        transition: max-height 0.3s ease;
        -webkit-overflow-scrolling: touch;
    }
    .mobile-feed-body.collapsed {
        max-height: 0;
        overflow: hidden;
    }

    /* Performance — 2×2 stays but tighter */
    .stats-grid { padding: 0.5rem; gap: 0.4rem; }
    .s-card { padding: 0.6rem; }
    .s-val { font-size: 1rem; }
    .s-label { font-size: 0.55rem; }

    /* Control strip — very compact */
    .control-strip { padding: 0.5rem; gap: 0.4rem; }
    .lock-label { font-size: 0.6rem; }
    .btn-ctrl { padding: 0.55rem 0.75rem; font-size: 0.7rem; }

    /* Session table — minimal, safe scroll within container only */
    .session-table { font-size: 0.6rem; }
    .session-table th, .session-table td { padding: 0.3rem 0.2rem; }
    #hub-history-content { overflow-x: auto; -webkit-overflow-scrolling: touch; }

    /* Stale overlay — bold on phone */
    .stale-msg { margin: 0.5rem; padding: 1.25rem; }
    .stale-msg h2 { font-size: 1.1rem; }
    .stale-msg p { font-size: 0.85rem; }

    /* Mobile summary cards (latest action/error) */
    .mobile-summary-cards {
        display: flex !important;
        flex-direction: column;
        gap: 0.4rem;
        order: 5;
    }
    .mobile-summary-card {
        background: var(--bg-panel);
        border: 1px solid var(--border);
        border-radius: 6px;
        padding: 0.6rem 0.75rem;
        -webkit-tap-highlight-color: transparent;
        overflow: hidden;
        min-width: 0;
    }
    .mobile-summary-card .msc-label {
        font-size: 0.5rem;
        color: var(--text-dim);
        letter-spacing: 0.08rem;
        font-weight: 700;
        margin-bottom: 0.2rem;
    }
    .mobile-summary-card .msc-value {
        font-size: 0.7rem;
        font-family: var(--font-mono);
        color: var(--text-main);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        width: 100%;
    }
    .mobile-summary-card.msc-error { border-color: rgba(239, 68, 68, 0.3); }
    .mobile-summary-card.msc-error .msc-label { color: var(--danger); }
    .mobile-summary-card.msc-action { border-color: rgba(59, 130, 246, 0.3); }
    .mobile-summary-card.msc-action .msc-label { color: var(--accent-primary); }
}

/* --- Mobile feed toggle — hidden on desktop by default --- */
.mobile-feed-toggle {
    display: none;
}

/* --- Flat/Idle state styling for mobile --- */
@media (max-width: 768px) {
    .pos-symbol.mob-flat {
        font-size: 1.1rem;
        color: var(--text-dim);
    }
    .pos-pnl-val.mob-flat {
        font-size: 1rem;
        color: var(--text-dim);
    }
}

@media (max-width: 480px) {
    .pos-symbol.mob-flat {
        font-size: 0.95rem;
    }
}