/* ==========================================================================
   CSS Design System & Layout Tokens
   ========================================================================== */
:root {
    --bg-main: #0a0d14;
    --bg-card: rgba(18, 22, 32, 0.8);
    --bg-header: rgba(10, 13, 20, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(124, 58, 237, 0.3);
    
    --color-text-main: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-dark: #0f172a;
    
    --color-primary: #7c3aed; /* Electric Violet */
    --color-primary-hover: #6d28d9;
    --color-primary-glow: rgba(124, 58, 237, 0.15);
    
    --color-buy: #10b981; /* Neon Emerald Green */
    --color-buy-bg: rgba(16, 185, 129, 0.1);
    --color-buy-itm: rgba(16, 185, 129, 0.04);
    
    --color-sell: #f43f5e; /* Vibrant Coral Red */
    --color-sell-bg: rgba(244, 63, 94, 0.1);
    --color-sell-itm: rgba(244, 63, 94, 0.04);
    
    --color-warning: #f59e0b;
    --color-info: #06b6d4;
    
    --font-outfit: 'Outfit', sans-serif;
    --font-inter: 'Inter', sans-serif;
    --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   General Reset & Body
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-main);
    color: var(--color-text-main);
    font-family: var(--font-inter);
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(at 10% 10%, rgba(124, 58, 237, 0.08) 0px, transparent 50%),
        radial-gradient(at 90% 90%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   App Layout
   ========================================================================== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar styling */
.sidebar {
    width: 240px;
    background-color: rgba(11, 14, 23, 0.95);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    flex-shrink: 0;
    z-index: 10;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    padding-left: 0.5rem;
}

.logo-icon {
    font-size: 1.8rem;
    color: var(--color-primary);
    filter: drop-shadow(0 0 8px var(--color-primary));
    animation: rotateLogo 8s linear infinite;
}

@keyframes rotateLogo {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.logo-text {
    font-family: var(--font-outfit);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-text .highlight {
    color: var(--color-primary);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1rem;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-item i {
    font-size: 1.15rem;
    width: 20px;
    text-align: center;
}

.nav-item:hover, .nav-item.active {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
    background-color: var(--color-primary-glow);
    border-left: 3px solid var(--color-primary);
    border-radius: 4px 8px 8px 4px;
    color: #ffffff;
}

.sidebar-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.btn-settings-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.85rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--color-text-muted);
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-inter);
    transition: var(--transition-fast);
}

.btn-settings-toggle:hover {
    color: #ffffff;
    background-color: var(--color-primary-glow);
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(124, 58, 237, 0.2);
}

/* Main Content styling */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Prevents overflow in flexbox */
}

.main-header {
    background-color: var(--bg-header);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 5;
}

.header-title h1 {
    font-family: var(--font-outfit);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 0.2rem;
}

.header-title p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.85rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
}

.status-indicator .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-indicator.connected {
    color: var(--color-buy);
    border-color: rgba(16, 185, 129, 0.3);
    background-color: rgba(16, 185, 129, 0.05);
}
.status-indicator.connected .dot {
    background-color: var(--color-buy);
    box-shadow: 0 0 8px var(--color-buy);
}

.status-indicator.disconnected {
    color: var(--color-sell);
    border-color: rgba(244, 63, 94, 0.3);
    background-color: rgba(244, 63, 94, 0.05);
}
.status-indicator.disconnected .dot {
    background-color: var(--color-sell);
    box-shadow: 0 0 8px var(--color-sell);
}

.header-stat-card {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

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

.stat-value {
    font-family: var(--font-outfit);
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
}

/* Content Body */
.content-body {
    padding: 2rem;
    flex-grow: 1;
    position: relative;
}

/* ==========================================================================
   Tab Navigation & Panes
   ========================================================================= */
.tab-pane {
    display: none;
    animation: fadeIn 0.4s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   General Panel / Cards (Glassmorphism)
   ========================================================================== */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-main);
    backdrop-filter: blur(12px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.panel-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-header h2 {
    font-family: var(--font-outfit);
    font-size: 1.15rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-body {
    padding: 1.5rem;
}

/* ==========================================================================
   Dashboard Tab Specific
   ========================================================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
}

.grid-col-8 {
    grid-column: span 8;
}

.grid-col-4 {
    grid-column: span 4;
}

.panel-title-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.terminal-selectors {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

select {
    background-color: rgba(30, 41, 59, 0.8);
    border: 1px solid var(--border-color);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: var(--font-inter);
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: var(--transition-fast);
}

select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 6px var(--color-primary-glow);
}

.underlying-spot {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.85rem;
    border-radius: 6px;
    font-family: var(--font-outfit);
}

.spot-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.spot-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-info);
}

/* Option Chain Table Styling */
.table-container {
    max-height: 580px;
    overflow-y: auto;
    padding: 0 !important;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    text-align: left;
}

th {
    background-color: rgba(15, 23, 42, 0.6);
    color: var(--color-text-muted);
    font-weight: 600;
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    z-index: 2;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.option-chain-table th, .option-chain-table td {
    text-align: center;
}

.option-chain-table tbody tr {
    transition: var(--transition-fast);
}

.option-chain-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02) !important;
}

/* Call side vs Put side styling */
.call-side {
    text-align: right !important;
}

.put-side {
    text-align: left !important;
}

.strike-col {
    font-family: var(--font-outfit);
    font-weight: 700;
    color: #ffffff;
    background-color: rgba(15, 23, 42, 0.4);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    text-align: center !important;
    font-size: 0.95rem;
}

.ltp-interactive {
    font-weight: 600;
    cursor: pointer;
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    display: inline-block;
    transition: var(--transition-fast);
}

.call-side .ltp-interactive {
    color: var(--color-buy);
}

.put-side .ltp-interactive {
    color: var(--color-sell);
}

.call-side .ltp-interactive:hover {
    background-color: var(--color-buy-bg);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.3);
}

.put-side .ltp-interactive:hover {
    background-color: var(--color-sell-bg);
    box-shadow: 0 0 8px rgba(244, 63, 94, 0.3);
}

/* ITM rows styling */
.itm-call {
    background-color: var(--color-buy-itm);
}

.itm-put {
    background-color: var(--color-sell-itm);
}

.table-placeholder {
    color: var(--color-text-muted);
    padding: 3rem 1rem;
    text-align: center !important;
    font-size: 0.95rem;
}

/* ATM Spot Row Highlight */
.atm-spot-row {
    background-color: rgba(6, 182, 212, 0.15) !important;
    border-top: 1.5px solid var(--color-info);
    border-bottom: 1.5px solid var(--color-info);
}

.atm-spot-row td {
    color: var(--color-info);
    font-weight: 700;
    font-family: var(--font-outfit);
    padding: 0.5rem 1rem;
}

/* ==========================================================================
   Order Pad Styling
   ========================================================================== */
.order-pad-panel {
    border-top: 3px solid var(--color-primary);
}

.order-side-toggle {
    display: flex;
    background-color: rgba(15, 23, 42, 0.8);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.order-side-toggle input[type="radio"] {
    display: none;
}

.order-side-toggle label {
    flex: 1;
    text-align: center;
    padding: 0.75rem;
    font-family: var(--font-outfit);
    font-weight: 700;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.order-side-toggle input[type="radio"]#action-buy:checked + label {
    background-color: var(--color-buy);
    color: var(--color-text-dark);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.order-side-toggle input[type="radio"]#action-sell:checked + label {
    background-color: var(--color-sell);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(244, 63, 94, 0.4);
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.col-6 {
    flex: 0 0 calc(50% - 0.5rem);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="password"] {
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: #ffffff;
    padding: 0.6rem 0.85rem;
    font-family: var(--font-inter);
    outline: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.form-group input[readonly] {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--color-text-muted);
    cursor: not-allowed;
    border-color: rgba(255, 255, 255, 0.04);
}

.form-group input:not([readonly]):focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 6px var(--color-primary-glow);
}

/* Lots control group */
.quantity-input-group {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.qty-btn {
    background-color: rgba(15, 23, 42, 0.8);
    border: none;
    color: #ffffff;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.qty-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.quantity-input-group input {
    width: 100% !important;
    text-align: center;
    border: none !important;
    border-left: 1px solid var(--border-color) !important;
    border-right: 1px solid var(--border-color) !important;
    border-radius: 0 !important;
    padding: 0 !important;
}

.lots-multiplier-text {
    font-size: 0.7rem;
    color: var(--color-text-muted);
}

.price-checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.2rem;
}

.price-checkbox-group input {
    cursor: pointer;
}

.price-checkbox-group label {
    font-size: 0.7rem;
    text-transform: none;
    cursor: pointer;
}

.order-summary-box {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin: 1.25rem 0;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-bottom: 0.4rem;
}

.summary-row:last-child {
    margin-bottom: 0;
    font-size: 0.9rem;
    font-weight: 700;
}

.btn-trade {
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 0.85rem;
    font-family: var(--font-outfit);
    font-weight: 700;
    font-size: 1.05rem;
    cursor: pointer;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px var(--color-primary-glow);
    transition: var(--transition-normal);
}

.btn-trade:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

.btn-trade:active {
    transform: translateY(1px);
}

/* ==========================================================================
   API Config Drawer
   ========================================================================== */
.config-panel {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 380px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-main);
    z-index: 100;
    display: none;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.config-panel.open {
    display: block;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.config-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.config-header h2 {
    font-family: var(--font-outfit);
    font-size: 1.15rem;
    color: #ffffff;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-close:hover {
    color: #ffffff;
}

.config-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.session-token-wrapper {
    display: flex;
    gap: 0.5rem;
}

.session-token-wrapper input {
    flex-grow: 1;
}

.form-group-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group-checkbox label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    cursor: pointer;
}

.helper-text {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    line-height: 1.3;
}

/* ==========================================================================
   Account & Info Panels
   ========================================================================== */
.detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

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

.detail-label {
    color: var(--color-text-muted);
}

.detail-value {
    font-weight: 600;
}

/* ==========================================================================
   Portfolio Tab
   ========================================================================== */
.tabs-header {
    justify-content: space-between;
}

.sub-tabs {
    display: flex;
    gap: 0.5rem;
    background-color: rgba(15, 23, 42, 0.8);
    padding: 0.35rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.sub-tab-btn {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-outfit);
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.sub-tab-btn.active {
    background-color: var(--color-primary-glow);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(124, 58, 237, 0.2);
}

.sub-tab-content {
    display: none;
}

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

.portfolio-table th, .portfolio-table td {
    text-align: left;
}

.profit-text {
    color: var(--color-buy) !important;
    font-weight: 700;
}

.loss-text {
    color: var(--color-sell) !important;
    font-weight: 700;
}

/* ==========================================================================
   Button styles
   ========================================================================== */
.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    padding: 0.65rem 1rem;
    font-family: var(--font-outfit);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    box-shadow: 0 0 12px rgba(124, 58, 237, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: #ffffff;
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-family: var(--font-inter);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
    background-color: rgba(244, 63, 94, 0.15);
    border: 1px solid rgba(244, 63, 94, 0.3);
    color: var(--color-sell);
    border-radius: 6px;
    padding: 0.65rem 1rem;
    font-family: var(--font-outfit);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-danger:hover {
    background-color: var(--color-sell);
    color: #ffffff;
    box-shadow: 0 0 12px rgba(244, 63, 94, 0.4);
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--color-text-muted);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-icon:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-squareoff {
    background-color: rgba(244, 63, 94, 0.15);
    border: 1px solid rgba(244, 63, 94, 0.3);
    color: var(--color-sell);
    border-radius: 4px;
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-squareoff:hover {
    background-color: var(--color-sell);
    color: #ffffff;
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 9999;
}

.toast {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-left: 4px solid var(--color-primary);
    border-radius: 6px;
    box-shadow: var(--shadow-main);
    color: #ffffff;
    padding: 1rem 1.5rem;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 280px;
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transition: var(--transition-fast);
}

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.toast.success {
    border-left-color: var(--color-buy);
}
.toast.success i {
    color: var(--color-buy);
}

.toast.error {
    border-left-color: var(--color-sell);
}
.toast.error i {
    color: var(--color-sell);
}

.toast.info {
    border-left-color: var(--color-info);
}
.toast.info i {
    color: var(--color-info);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.w-full { width: 100%; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.spinner {
    animation: spin 1s linear infinite;
    display: inline-block;
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}