/* ═══════════════════════════════════════════════════════════════════════════
   F-INTEL QUANTITATIVE TERMINAL — LAYOUT & COMPONENTS
   Clean, flat, Zerodha/Sensibull-style. No glow, no glassmorphism.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Top Navigation Bar ── */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 48px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo {
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 7px;
}

.brand-logo svg {
    color: var(--accent);
}

.brand-badge {
    font-size: 9px;
    font-weight: 700;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 1px 5px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ── Market Status Strip ── */
.market-strip {
    display: flex;
    align-items: center;
    gap: 12px;
}

.spot-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(41, 98, 255, 0.12);
    border: 1px solid rgba(0, 229, 255, 0.35);
    padding: 4px 12px;
    border-radius: var(--radius-sm, 4px);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.spot-pill .spot-val {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    color: #00e5ff;
}

/* ── System Badges ── */
.system-badges {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Tab Navigation (Styled like IV Surface Terminal) ── */
.tab-navigation {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 20px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    overflow-x: auto;
    scrollbar-width: none;
    height: 42px;
}

.tab-navigation::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    background: transparent;
    color: var(--text-secondary, #868993);
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0 16px;
    height: 42px;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 700;
    border-radius: 0;
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--transition-fast), border-color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.tab-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
    color: #00e5ff;
    border-bottom-color: #00e5ff;
    background: transparent;
    text-shadow: none;
}

/* ── Main Workspace ── */
.workspace-container {
    max-width: 1720px;
    margin: 0 auto;
    padding: 16px 20px 60px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ── Metric Cards Grid ── */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}

/* ── Unified Metric Tiles (Matching IV Surface) ── */
.metric-card,
.metric-box,
.iv-metric-tile {
    padding: 10px 12px;
    border-radius: var(--radius-sm, 4px);
    background: rgba(30, 34, 45, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.metric-card:hover,
.metric-box:hover,
.iv-metric-tile:hover {
    border-color: rgba(0, 229, 255, 0.35);
    background: rgba(36, 41, 54, 0.8);
}

.metric-card .card-label,
.metric-box .metric-label,
.iv-metric-label {
    font-family: var(--font-sans, sans-serif);
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-secondary, #868993);
    font-weight: 700;
    letter-spacing: 0.8px;
    margin-bottom: 4px;
}

.metric-card .card-value,
.metric-box .metric-val,
.iv-metric-value {
    font-family: var(--font-mono, monospace);
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.2;
}

.metric-card .card-subtext,
.metric-box .metric-sub,
.iv-metric-sub {
    font-family: var(--font-mono, monospace);
    font-size: 11px;
    color: var(--text-muted, #555d6b);
    margin-top: 3px;
}

/* ── Unified Cards & Panels (Matching IV Surface Terminal) ── */
.card,
.glass-panel,
.ge-card,
.iv-terminal-card {
    background: var(--bg-surface, #1e222d);
    border: 1px solid var(--border-card, #363c4e);
    border-radius: var(--radius-md, 6px);
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-card, 0 1px 4px rgba(0, 0, 0, 0.35));
    transition: border-color var(--transition-fast);
}

.card:hover,
.glass-panel:hover,
.ge-card:hover,
.iv-terminal-card:hover {
    border-color: rgba(0, 229, 255, 0.4);
}

/* ── Action Bars & Toolbars (Matching IV Surface Rewind Toolbar) ── */
.action-bar {
    display: flex;
    align-items: center;
    background: rgba(19, 23, 34, 0.8);
    border: 1px solid var(--border-subtle, #2a2e39);
    border-radius: var(--radius-md, 6px);
    padding: 8px 14px;
    gap: 10px;
    margin-bottom: 14px;
}

/* ── Financial & Data Tables ── */
.quant-table,
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.quant-table thead,
.data-table thead {
    position: sticky;
    top: 0;
    z-index: 2;
}

.quant-table th,
.data-table th {
    background: #1a1e29;
    color: var(--text-secondary, #868993);
    font-family: var(--font-sans);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.06em;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-subtle, #2a2e39);
    text-align: right;
    white-space: nowrap;
}

.quant-table th:first-child,
.quant-table td:first-child,
.data-table th:first-child,
.data-table td:first-child {
    text-align: left;
}

.quant-table td,
.data-table td {
    padding: 7px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-family: var(--font-mono);
    font-size: 12px;
    text-align: right;
    color: var(--text-primary);
}

.quant-table tbody tr:hover,
.data-table tbody tr:hover {
    background: rgba(0, 229, 255, 0.05);
}

/* ATM row highlight — subtle electric cyan tint */
.quant-table tbody tr.atm-row,
.data-table tbody tr.atm-row {
    background: rgba(0, 229, 255, 0.12);
    font-weight: 700;
}

.quant-table tbody tr.atm-row td,
.data-table tbody tr.atm-row td {
    color: #00e5ff;
}

/* ── Unified Tool Buttons (Matching IV Surface .iv-tool-btn) ── */
.btn,
.chain-mode-btn,
.theta-model-btn,
.th-unit-btn,
.oi-preset-btn,
.iv-tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 4px 10px;
    font-family: var(--font-mono, monospace);
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-sm, 4px);
    border: 1px solid var(--border-card, #363c4e);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary, #868993);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
}

.btn:hover,
.chain-mode-btn:hover,
.theta-model-btn:hover,
.th-unit-btn:hover,
.oi-preset-btn:hover,
.iv-tool-btn:hover {
    background: rgba(255, 255, 255, 0.09);
    color: #ffffff;
    border-color: rgba(0, 229, 255, 0.4);
}

.btn.active,
.btn:active,
.chain-mode-btn.active,
.theta-model-btn.active,
.th-unit-btn.active,
.oi-preset-btn.active,
.iv-tool-btn.active {
    background: rgba(0, 229, 255, 0.12) !important;
    color: #00e5ff !important;
    border-color: #00e5ff !important;
}

.btn-primary {
    background: #00e5ff;
    color: #060812;
    font-weight: 700;
    border-color: #00e5ff;
}

.btn-primary:hover {
    background: #33ebff;
    color: #060812;
    border-color: #33ebff;
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
}

/* ── Interactive Sliders ── */
.slider-control-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.slider-input {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--border-card);
    border-radius: 2px;
    outline: none;
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.slider-input::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* ── Section Headers ── */
.section-header {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 12px;
}

/* ── Inline Tags / Badges ── */
.tag {
    display: inline-block;
    padding: 2px 7px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.tag-bull  { background: var(--color-bullish-dim); color: var(--color-bullish); border: 1px solid var(--color-bullish); }
.tag-bear  { background: var(--color-bearish-dim); color: var(--color-bearish); border: 1px solid var(--color-bearish); }
.tag-warn  { background: var(--color-warning-dim); color: var(--color-warning); border: 1px solid var(--color-warning); }
.tag-info  { background: var(--accent-dim);        color: var(--accent);        border: 1px solid var(--accent); }
.tag-muted { background: var(--bg-canvas);         color: var(--text-muted);    border: 1px solid var(--border-subtle); }

/* ── Input fields ── */
input[type="number"],
input[type="text"],
select {
    background: var(--bg-input);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 5px 10px;
    outline: none;
    transition: border-color var(--transition-fast);
}

input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
    border-color: var(--border-focus);
}

select option {
    background: var(--bg-surface);
    color: var(--text-primary);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border-card);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--border-focus); }

/* ── Divider ── */
.divider {
    border: none;
    border-top: 1px solid var(--border-subtle);
    margin: 12px 0;
}