/* ============================================================
   NiftyAI Pro — Premium Dark Trading Interface
   ============================================================ */

/* ---- Design Tokens ---- */
:root {
    /* Colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(30, 41, 59, 0.8);
    --bg-glass: rgba(15, 23, 42, 0.6);
    --border-glass: rgba(99, 102, 241, 0.15);
    --border-subtle: rgba(148, 163, 184, 0.1);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-indigo: #6366f1;
    --accent-cyan: #06b6d4;
    --accent-violet: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1, #06b6d4);
    --accent-gradient-warm: linear-gradient(135deg, #f59e0b, #ef4444);

    --green: #10b981;
    --green-soft: rgba(16, 185, 129, 0.15);
    --green-glow: rgba(16, 185, 129, 0.4);
    --red: #ef4444;
    --red-soft: rgba(239, 68, 68, 0.15);
    --red-glow: rgba(239, 68, 68, 0.4);
    --yellow: #f59e0b;
    --yellow-soft: rgba(245, 158, 11, 0.15);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --gap-xs: 4px;
    --gap-sm: 8px;
    --gap-md: 16px;
    --gap-lg: 24px;
    --gap-xl: 32px;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 0 1px rgba(99, 102, 241, 0.1);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
    --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.4);
}

/* ---- Reset ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99, 102, 241, 0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99, 102, 241, 0.5); }

/* ---- Header ---- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--gap-lg);
    height: 56px;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--border-glass);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--gap-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
}

.logo-icon {
    display: flex;
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { filter: drop-shadow(0 0 4px rgba(99,102,241,0.4)); }
    50% { filter: drop-shadow(0 0 12px rgba(99,102,241,0.7)); }
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-pro {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--accent-gradient);
    -webkit-text-fill-color: white;
    vertical-align: super;
    letter-spacing: 1px;
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    gap: 2px;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.25s ease;
    position: relative;
}

.nav-tab:hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.08);
}

.nav-tab.active {
    color: var(--accent-indigo);
    background: rgba(99, 102, 241, 0.12);
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 1px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--gap-lg);
}

.market-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--green);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
}

.status-dot.live {
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--green-glow); }
    50% { box-shadow: 0 0 0 6px transparent; }
}

.live-price-ticker {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    padding: 6px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.ticker-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.ticker-price {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ticker-change {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
}

.ticker-change.positive { color: var(--green); }
.ticker-change.negative { color: var(--red); }

/* ---- Main Content ---- */
.main-content {
    padding: var(--gap-lg);
    max-width: 1600px;
    margin: 0 auto;
}

.tab-content {
    display: none;
    animation: fadeIn 0.35s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--gap-lg);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: var(--shadow-glow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--gap-md);
}

.card-header h1 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.card-header h2 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.badge {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 20px;
    letter-spacing: 1px;
}

.badge-live { background: var(--green-soft); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }
.badge-ai { background: rgba(99,102,241,0.15); color: var(--accent-indigo); border: 1px solid rgba(99,102,241,0.3); }
.badge-algo { background: rgba(139,92,246,0.15); color: var(--accent-violet); border: 1px solid rgba(139,92,246,0.3); }
.badge-predict { background: rgba(6,182,212,0.15); color: var(--accent-cyan); border: 1px solid rgba(6,182,212,0.3); }
.badge-oc { background: var(--yellow-soft); color: var(--yellow); border: 1px solid rgba(245,158,11,0.3); font-family: var(--font-mono); }

/* ---- Dashboard Grid ---- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto;
    gap: var(--gap-lg);
}

.card-price { grid-column: 1 / 2; }
.card-signal { grid-column: 2 / 3; }
.card-sr { grid-column: 3 / 4; }
.card-expiry-mini { grid-column: 4 / 5; }
.card-chart { grid-column: 1 / 4; min-height: 380px; }
.card-oc-quick { grid-column: 4 / 5; }

/* Price Display */
.price-display {
    padding: var(--gap-md) 0;
}

.big-price {
    display: block;
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
}

.price-change {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    margin-top: 4px;
}

.price-change.positive { color: var(--green); }
.price-change.negative { color: var(--red); }

.price-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-sm);
    margin-top: var(--gap-md);
    padding-top: var(--gap-md);
    border-top: 1px solid var(--border-subtle);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.meta-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meta-value {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* AI Signal Ring */
.signal-display {
    display: flex;
    justify-content: center;
    padding: var(--gap-md) 0;
}

.signal-ring {
    position: relative;
    width: 120px;
    height: 120px;
}

.signal-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.signal-ring-bg {
    fill: none;
    stroke: rgba(99, 102, 241, 0.1);
    stroke-width: 8;
}

.signal-ring-fg {
    fill: none;
    stroke: url(#signalGrad);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 327;
    stroke-dashoffset: 327;
    transition: stroke-dashoffset 1s ease;
}

.signal-ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.signal-type {
    display: block;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.signal-type.buy { color: var(--green); }
.signal-type.sell { color: var(--red); }
.signal-type.neutral { color: var(--yellow); }

.signal-confidence {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.signal-indicators {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
    margin-top: var(--gap-sm);
    padding-top: var(--gap-sm);
    border-top: 1px solid var(--border-subtle);
}

.indicator-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.indicator-name {
    color: var(--text-muted);
    font-weight: 500;
}

.indicator-value {
    font-family: var(--font-mono);
    font-weight: 600;
}

/* S/R Levels */
.sr-levels {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
}

.sr-level-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.sr-level-item:hover {
    transform: translateX(4px);
}

.sr-level-item.resistance {
    background: var(--red-soft);
    border-left: 3px solid var(--red);
}

.sr-level-item.support {
    background: var(--green-soft);
    border-left: 3px solid var(--green);
}

.sr-level-item.pivot {
    background: rgba(99, 102, 241, 0.1);
    border-left: 3px solid var(--accent-indigo);
}

.sr-level-type {
    font-weight: 600;
    min-width: 30px;
}

.sr-level-price {
    font-family: var(--font-mono);
    font-weight: 700;
}

.sr-level-strength {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

/* Expiry Mini */
.expiry-mini-content {
    text-align: center;
    padding: var(--gap-md) 0;
}

.expiry-countdown {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--gap-sm);
}

.expiry-prediction-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.expiry-prediction-badge.trending {
    background: rgba(239, 68, 68, 0.15);
    color: var(--red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.expiry-prediction-badge.range-bound {
    background: rgba(245, 158, 11, 0.15);
    color: var(--yellow);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Chart */
.chart-container {
    position: relative;
    width: 100%;
    height: 300px;
}

.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

.chart-controls {
    display: flex;
    gap: 4px;
}

.chart-btn {
    padding: 4px 12px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chart-btn:hover {
    border-color: var(--accent-indigo);
    color: var(--accent-indigo);
}

.chart-btn.active {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent-indigo);
    color: var(--accent-indigo);
}

/* OC Summary (Dashboard) */
.oc-summary {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
}

.oc-row {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    transition: background 0.2s ease;
}

.oc-row:hover {
    background: rgba(255,255,255,0.03);
}

.oc-strike {
    font-family: var(--font-mono);
    font-weight: 700;
    min-width: 55px;
    text-align: center;
}

.oc-strike.atm {
    color: var(--accent-indigo);
}

.oc-bar {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    position: relative;
    overflow: hidden;
}

.oc-bar.call { background: var(--red-soft); }
.oc-bar.put { background: var(--green-soft); }

.oc-bar-fill {
    position: absolute;
    top: 0;
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

.oc-bar.call .oc-bar-fill {
    right: 0;
    background: var(--red);
}

.oc-bar.put .oc-bar-fill {
    left: 0;
    background: var(--green);
}

.oc-loading, .sr-loading {
    text-align: center;
    padding: var(--gap-xl);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================================
   HEATMAP TAB
   ============================================================ */
.heatmap-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--gap-lg);
}

.heatmap-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.heatmap-controls {
    display: flex;
    align-items: center;
    gap: var(--gap-md);
}

.select-control {
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s ease;
}

.select-control:focus {
    border-color: var(--accent-indigo);
}

.select-control option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.heatmap-legend {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.legend-gradient {
    width: 100px;
    height: 8px;
    border-radius: 4px;
    background: linear-gradient(90deg, #1e293b, #3b82f6, #6366f1, #f59e0b, #ef4444);
}

.heatmap-info-bar {
    display: flex;
    gap: var(--gap-md);
    margin-bottom: var(--gap-md);
    flex-wrap: wrap;
}

.info-chip {
    padding: 6px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    backdrop-filter: blur(8px);
}

.info-chip strong {
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.heatmap-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
}

.heatmap-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.heatmap-table th {
    padding: 10px 12px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    background: rgba(15, 23, 42, 0.8);
    position: sticky;
    top: 0;
    z-index: 10;
}

.th-calls { color: var(--red); text-align: center; border-bottom: 2px solid rgba(239,68,68,0.3); }
.th-puts { color: var(--green); text-align: center; border-bottom: 2px solid rgba(16,185,129,0.3); }
.th-strike { color: var(--accent-indigo); text-align: center; background: rgba(99,102,241,0.08) !important; min-width: 80px; }

.heatmap-table td {
    padding: 8px 12px;
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    border-bottom: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
    position: relative;
}

.heatmap-table tr:hover td {
    background: rgba(99, 102, 241, 0.05);
}

.heatmap-table td.strike-cell {
    text-align: center;
    font-weight: 800;
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.04);
    border-left: 1px solid var(--border-glass);
    border-right: 1px solid var(--border-glass);
}

.heatmap-table td.strike-cell.atm-strike {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-indigo);
    box-shadow: inset 0 0 0 1px rgba(99,102,241,0.4);
}

/* Heatmap cell coloring (applied via JS) */
.hm-cell { position: relative; }
.hm-cell::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    opacity: 0.15;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

/* ============================================================
   SIGNALS TAB
   ============================================================ */
.signals-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--gap-lg);
}

.signals-main-card .card-header h1 {
    font-size: 1.3rem;
}

.signals-refresh {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
}

.refresh-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-refresh {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-refresh:hover {
    border-color: var(--accent-indigo);
    color: var(--accent-indigo);
    background: rgba(99,102,241,0.08);
}

.signals-overall {
    text-align: center;
    padding: var(--gap-lg) 0;
    margin-bottom: var(--gap-md);
    border-bottom: 1px solid var(--border-subtle);
}

.overall-signal-badge {
    display: inline-block;
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 3px;
    padding: 12px 40px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--gap-sm);
}

.overall-signal-badge.buy {
    background: var(--green-soft);
    color: var(--green);
    border: 2px solid rgba(16,185,129,0.4);
    text-shadow: 0 0 20px var(--green-glow);
}

.overall-signal-badge.sell {
    background: var(--red-soft);
    color: var(--red);
    border: 2px solid rgba(239,68,68,0.4);
    text-shadow: 0 0 20px var(--red-glow);
}

.overall-signal-badge.neutral {
    background: var(--yellow-soft);
    color: var(--yellow);
    border: 2px solid rgba(245,158,11,0.4);
}

.overall-confidence {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.signals-list {
    display: flex;
    flex-direction: column;
    gap: var(--gap-md);
}

.signal-item {
    display: flex;
    align-items: center;
    gap: var(--gap-md);
    padding: var(--gap-md);
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.signal-item:hover {
    border-color: rgba(99,102,241,0.2);
    transform: translateX(4px);
}

.signal-item-type {
    min-width: 55px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-align: center;
}

.signal-item-type.buy {
    background: var(--green-soft);
    color: var(--green);
}

.signal-item-type.sell {
    background: var(--red-soft);
    color: var(--red);
}

.signal-item-details {
    flex: 1;
}

.signal-item-reason {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.signal-item-price {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.signal-item-conf {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
}

.signal-item-conf.high { color: var(--green); }
.signal-item-conf.medium { color: var(--yellow); }
.signal-item-conf.low { color: var(--red); }

.signals-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--gap-lg);
}

.indicators-grid {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
}

.ind-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(15,23,42,0.4);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.ind-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.ind-value {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.95rem;
}

.ind-bar {
    width: 100%;
    height: 4px;
    background: rgba(99,102,241,0.1);
    border-radius: 2px;
    margin-top: 6px;
    overflow: hidden;
}

.ind-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.8s ease;
}

/* Signal History */
.signal-history {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    border-left: 3px solid;
}

.history-item.buy {
    border-left-color: var(--green);
    background: rgba(16,185,129,0.05);
}

.history-item.sell {
    border-left-color: var(--red);
    background: rgba(239,68,68,0.05);
}

.history-time {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    min-width: 50px;
}

.history-text {
    flex: 1;
    color: var(--text-secondary);
}

/* ============================================================
   TRAPS TAB
   ============================================================ */
.traps-layout {
    display: flex;
    flex-direction: column;
    gap: var(--gap-lg);
}

.traps-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--accent-gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--gap-xs);
}

.traps-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.traps-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap-md);
}

.trap-stat-card {
    padding: var(--gap-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.trap-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.trap-stat-card.call-trap {
    border-color: rgba(239,68,68,0.3);
}

.trap-stat-card.put-trap {
    border-color: rgba(16,185,129,0.3);
}

.trap-stat-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.trap-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.traps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--gap-md);
}

.trap-card {
    padding: var(--gap-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.trap-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.trap-card.call-trap::before { background: var(--red); }
.trap-card.put-trap::before { background: var(--green); }

.trap-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
}

.trap-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--gap-md);
}

.trap-type-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.trap-type-badge.call {
    background: var(--red-soft);
    color: var(--red);
}

.trap-type-badge.put {
    background: var(--green-soft);
    color: var(--green);
}

.trap-risk-badge {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.trap-risk-badge.high {
    background: rgba(239,68,68,0.2);
    color: var(--red);
    border: 1px solid rgba(239,68,68,0.3);
    animation: riskPulse 2s ease-in-out infinite;
}

.trap-risk-badge.medium {
    background: var(--yellow-soft);
    color: var(--yellow);
    border: 1px solid rgba(245,158,11,0.3);
}

@keyframes riskPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.3); }
    50% { box-shadow: 0 0 0 4px transparent; }
}

.trap-strike {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: var(--gap-sm);
}

.trap-details {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--gap-sm);
    margin-bottom: var(--gap-md);
}

.trap-detail {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.trap-detail-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.trap-detail-value {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.9rem;
}

.trap-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-top: var(--gap-sm);
    border-top: 1px solid var(--border-subtle);
}

.no-traps {
    text-align: center;
    padding: var(--gap-xl) * 2;
    color: var(--text-muted);
}

.no-traps-icon {
    font-size: 3rem;
    margin-bottom: var(--gap-md);
    opacity: 0.3;
}

/* ============================================================
   EXPIRY PREDICTION TAB
   ============================================================ */
.expiry-layout {
    display: flex;
    flex-direction: column;
    gap: var(--gap-lg);
}

.expiry-header-section h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--gap-xs);
}

.expiry-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.expiry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-lg);
}

.expiry-prediction-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--gap-lg);
    padding: var(--gap-lg) 0;
}

.expiry-type-badge {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 3px;
    padding: 10px 30px;
    border-radius: var(--radius-lg);
}

.expiry-type-badge.trending {
    background: linear-gradient(135deg, rgba(239,68,68,0.15), rgba(245,158,11,0.15));
    color: var(--red);
    border: 2px solid rgba(239,68,68,0.3);
}

.expiry-type-badge.range-bound {
    background: linear-gradient(135deg, rgba(6,182,212,0.15), rgba(99,102,241,0.15));
    color: var(--accent-cyan);
    border: 2px solid rgba(6,182,212,0.3);
}

.expiry-confidence-ring {
    position: relative;
    width: 160px;
    height: 160px;
}

.expiry-confidence-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.conf-ring-bg {
    fill: none;
    stroke: rgba(99,102,241,0.1);
    stroke-width: 10;
}

.conf-ring-fg {
    fill: none;
    stroke: url(#confGrad);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-dasharray: 440;
    stroke-dashoffset: 440;
    transition: stroke-dashoffset 1.5s ease;
}

.conf-ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.conf-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.conf-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.expiry-details-grid {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
}

.expiry-detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(15,23,42,0.4);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.expiry-detail-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.expiry-detail-value {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.95rem;
}

/* Range Visual */
.expiry-range-visual {
    padding: var(--gap-lg) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--gap-md);
}

.range-bar-container {
    width: 100%;
    position: relative;
    height: 40px;
}

.range-bar {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: 8px;
    background: rgba(99,102,241,0.1);
    border-radius: 4px;
}

.range-bar-fill {
    position: absolute;
    top: 0;
    height: 100%;
    border-radius: 4px;
    background: var(--accent-gradient);
    opacity: 0.6;
}

.range-marker {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-indigo);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 2px var(--accent-indigo), 0 0 10px rgba(99,102,241,0.5);
    z-index: 2;
}

.range-label {
    position: absolute;
    top: -20px;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

.range-extremes {
    display: flex;
    justify-content: space-between;
    width: 100%;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
}

/* Sentiment Gauge */
.sentiment-gauge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--gap-md);
    padding: var(--gap-lg) 0;
}

.gauge-container {
    position: relative;
    width: 200px;
    height: 110px;
    overflow: hidden;
}

.gauge-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: conic-gradient(from 180deg, var(--red) 0deg, var(--yellow) 90deg, var(--green) 180deg);
    opacity: 0.2;
}

.gauge-needle {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 3px;
    height: 90px;
    background: var(--text-primary);
    transform-origin: bottom center;
    transform: translateX(-50%) rotate(0deg);
    transition: transform 1s ease;
    border-radius: 2px;
    z-index: 2;
}

.gauge-center {
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-primary);
    z-index: 3;
}

.gauge-label {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: 2px;
}

.gauge-label.bullish { color: var(--green); }
.gauge-label.bearish { color: var(--red); }
.gauge-label.neutral { color: var(--yellow); }

/* ---- Responsive ---- */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-chart { grid-column: 1 / -1; }
    .card-oc-quick { grid-column: 1 / -1; }
    .signals-layout {
        grid-template-columns: 1fr;
    }
    .traps-summary {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        height: auto;
        padding: var(--gap-sm) var(--gap-md);
        gap: var(--gap-sm);
    }
    .header-left {
        flex-direction: column;
        gap: var(--gap-sm);
    }
    .nav-tabs {
        flex-wrap: wrap;
        justify-content: center;
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .card-chart { grid-column: 1; }
    .card-oc-quick { grid-column: 1; }
    .expiry-grid { grid-template-columns: 1fr; }
    .traps-summary { grid-template-columns: 1fr 1fr; }
    .traps-grid { grid-template-columns: 1fr; }
}