/* ==========================================================================
   TRADE MASTER - Ultra-Modern Glassmorphic Dark Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --bg-primary: #07090E;
    --bg-secondary: #0D111A;
    --bg-card: rgba(16, 22, 34, 0.7);
    --bg-card-hover: rgba(22, 30, 46, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.25);

    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    --accent-emerald: #10B981;
    --accent-emerald-glow: rgba(16, 185, 129, 0.25);
    --accent-rose: #F43F5E;
    --accent-rose-glow: rgba(244, 63, 94, 0.25);
    --accent-indigo: #6366F1;
    --accent-cyan: #06B6D4;
    --accent-amber: #F59E0B;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-pill: 9999px;

    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(16, 185, 129, 0.06) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Glass card utility */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-glass);
    transition: var(--transition);
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

/* Top Navbar */
.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(7, 9, 14, 0.8);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.brand-title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #FFF, #94A3B8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-btn:hover, .nav-btn.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
}

.nav-btn.active {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
    color: #A5B4FC;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-pill);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--accent-emerald);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-emerald);
    box-shadow: 0 0 10px var(--accent-emerald);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.btn-logout {
    background: rgba(244, 63, 94, 0.1);
    border: 1px solid rgba(244, 63, 94, 0.2);
    color: var(--accent-rose);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.btn-logout:hover {
    background: rgba(244, 63, 94, 0.2);
}

/* Main Container Layout */
.main-content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 2rem;
}

.tab-pane {
    display: none;
}

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

/* Grid Layout for Trading Terminal */
.terminal-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .terminal-grid {
        grid-template-columns: 1fr;
    }
}

/* Order Pad (Signal Dispatcher Card) */
.order-pad {
    padding: 1.5rem;
    border-top: 3px solid var(--accent-indigo);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.panel-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #FFF;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-switch {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.35rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
}

.switch-btn {
    padding: 0.65rem;
    border-radius: 6px;
    border: none;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
    background: transparent;
}

.switch-btn.buy.active {
    background: var(--accent-emerald);
    color: #FFF;
    box-shadow: 0 0 15px var(--accent-emerald-glow);
}

.switch-btn.sell.active {
    background: var(--accent-rose);
    color: #FFF;
    box-shadow: 0 0 15px var(--accent-rose-glow);
}

.form-group {
    margin-bottom: 1.1rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: #FFF;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.lot-summary-box {
    background: rgba(99, 102, 241, 0.08);
    border: 1px dashed rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin: 1.25rem 0;
    font-size: 0.85rem;
    color: #C7D2FE;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-dispatch {
    width: 100%;
    padding: 0.9rem;
    border-radius: var(--radius-sm);
    border: none;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-dispatch.buy {
    background: linear-gradient(135deg, #10B981, #059669);
    color: #FFF;
    box-shadow: 0 4px 20px var(--accent-emerald-glow);
}

.btn-dispatch.buy:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-dispatch.sell {
    background: linear-gradient(135deg, #F43F5E, #E11D48);
    color: #FFF;
    box-shadow: 0 4px 20px var(--accent-rose-glow);
}

.btn-dispatch.sell:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* Active Signals Panel */
.signals-panel {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.section-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #FFF;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Signal Card */
.signal-card {
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--accent-indigo);
}

.signal-card.buy-card {
    border-left-color: var(--accent-emerald);
}

.signal-card.sell-card {
    border-left-color: var(--accent-rose);
}

.signal-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.symbol-badge-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.signal-symbol {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: #FFF;
}

.action-pill {
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.action-pill.buy {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.action-pill.sell {
    background: rgba(244, 63, 94, 0.15);
    color: var(--accent-rose);
    border: 1px solid rgba(244, 63, 94, 0.3);
}

.status-badge {
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(99, 102, 241, 0.15);
    color: #A5B4FC;
    border: 1px solid rgba(99, 102, 241, 0.25);
}

/* Quantity Progress Bar / Invariant Guardrail */
.qty-guardrail {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1.15rem;
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.guardrail-item {
    text-align: center;
}

.guardrail-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.guardrail-val {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.guardrail-val.entered { color: var(--accent-cyan); }
.guardrail-val.exited { color: var(--accent-amber); }
.guardrail-val.open { color: var(--accent-emerald); }

/* Metrics Strip */
.metrics-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.metric-item {
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    border: 1px solid var(--border-color);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.metric-val {
    font-size: 1.05rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

/* Legs Container */
.legs-container {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
}

.leg-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 0.85rem;
}

.leg-row:last-child {
    border-bottom: none;
}

.leg-type {
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.leg-type.tp { background: rgba(16, 185, 129, 0.15); color: var(--accent-emerald); }
.leg-type.sl { background: rgba(244, 63, 94, 0.15); color: var(--accent-rose); }
.leg-type.entry { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.leg-type.avg { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); }

/* In-Trade Action Toolbar */
.card-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-tool {
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.04);
    color: #FFF;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.btn-tool:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.btn-tool.average {
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--accent-amber);
    background: rgba(245, 158, 11, 0.08);
}

.btn-tool.tp {
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--accent-emerald);
    background: rgba(16, 185, 129, 0.08);
}

.btn-tool.sl {
    border-color: rgba(244, 63, 94, 0.3);
    color: var(--accent-rose);
    background: rgba(244, 63, 94, 0.08);
}

.btn-tool.squareoff {
    background: linear-gradient(135deg, #DC2626, #991B1B);
    color: #FFF;
    border: none;
    margin-left: auto;
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.3);
}

.btn-tool.squareoff:hover {
    filter: brightness(1.15);
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    width: 100%;
    max-width: 460px;
    padding: 1.75rem;
    animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #FFF;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-close:hover {
    color: #FFF;
}

/* Accounts Table View */
.accounts-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.accounts-table th {
    text-align: left;
    padding: 1rem;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8rem;
    text-transform: uppercase;
}

.accounts-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}

.accounts-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Switch Toggle for Accounts */
.switch {
    position: relative;
    display: inline-block;
    width: 42px;
    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: rgba(255, 255, 255, 0.15);
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-emerald);
}

input:checked + .slider:before {
    transform: translateX(18px);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    opacity: 0.5;
}

/* Option Chain Tab Styles */
.option-chain-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 1rem;
}

.index-subtabs {
    display: flex;
    gap: 0.75rem;
}

.subtab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.subtab-btn:hover {
    color: #FFF;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.subtab-btn.active {
    color: #FFF;
    background: linear-gradient(135deg, #3B82F6, #6366F1);
    border-color: #60A5FA;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.subtab-badge {
    font-size: 0.7rem;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.3);
    letter-spacing: 0.05em;
}

.subtab-badge.nse { color: #60A5FA; }
.subtab-badge.bse { color: #F59E0B; }

.chain-stat-pills {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.chain-stat-item {
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.25);
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.chain-stat-lbl {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.chain-stat-val {
    font-size: 1rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.chain-banner {
    background: rgba(99, 102, 241, 0.08);
    border-left: 3px solid var(--accent-indigo);
    padding: 0.65rem 1rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.85rem;
    color: #C7D2FE;
    margin-top: 0.5rem;
}

/* Option Chain Grid Table */
.option-chain-grid {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.option-chain-grid th {
    padding: 0.55rem 0.45rem;
    text-align: right;
    font-weight: 600;
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.option-chain-grid td {
    padding: 0.5rem 0.45rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    white-space: nowrap;
}

.option-chain-grid .super-header th {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-align: center;
}

.option-chain-grid .sub-header th {
    font-size: 0.72rem;
    text-transform: uppercase;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.35);
}

.head-ce {
    background: rgba(16, 185, 129, 0.15) !important;
    color: #34D399 !important;
}

.head-pe {
    background: rgba(244, 63, 94, 0.15) !important;
    color: #F87171 !important;
}

.head-strike {
    background: rgba(99, 102, 241, 0.2) !important;
    color: #C7D2FE !important;
    text-align: center !important;
}

.head-targets {
    background: rgba(59, 130, 246, 0.12) !important;
    color: #93C5FD !important;
}

.chain-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.strike-cell {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 800;
    font-size: 0.95rem;
    color: #FFF;
    background: rgba(99, 102, 241, 0.15);
    text-align: center;
    border-left: 1px solid rgba(99, 102, 241, 0.3) !important;
    border-right: 1px solid rgba(99, 102, 241, 0.3) !important;
}

.num {
    font-family: 'JetBrains Mono', monospace;
    text-align: right;
    color: var(--text-secondary);
}

.ce-entry {
    color: #34D399;
    font-weight: 700;
    background: rgba(16, 185, 129, 0.06);
}

.pe-entry {
    color: #F87171;
    font-weight: 700;
    background: rgba(244, 63, 94, 0.06);
}

.calc-val {
    color: #93C5FD;
    font-weight: 600;
    background: rgba(59, 130, 246, 0.05);
}

.btn-chain-pick {
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-chain-pick.buy-ce {
    background: rgba(16, 185, 129, 0.2);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.btn-chain-pick.buy-ce:hover {
    background: var(--accent-emerald);
    color: #FFF;
    box-shadow: 0 0 10px var(--accent-emerald-glow);
}

.btn-chain-pick.buy-pe {
    background: rgba(244, 63, 94, 0.2);
    color: #F87171;
    border: 1px solid rgba(244, 63, 94, 0.4);
}

.btn-chain-pick.buy-pe:hover {
    background: var(--accent-rose);
    color: #FFF;
    box-shadow: 0 0 10px var(--accent-rose-glow);
}

/* Flash animation when symbol is autofilled */
@keyframes autofillPulse {
    0% { background: rgba(59, 130, 246, 0.35); border-color: #60A5FA; transform: scale(1.02); }
    50% { background: rgba(59, 130, 246, 0.15); border-color: #3B82F6; transform: scale(1); }
    100% { background: rgba(0, 0, 0, 0.4); border-color: var(--border-color); }
}

.symbol-autofilled {
    animation: autofillPulse 1.2s ease-out;
}