/* TradingView Style Theme */
:root {
    /* TradingView Colors */
    --tv-bg-primary: #131722;
    --tv-bg-secondary: #1E222D;
    --tv-bg-tertiary: #2A2E39;
    --tv-border: #2A2E39;
    --tv-text-primary: #D1D4DC;
    --tv-text-secondary: #787B86;
    --tv-accent: #2962FF;
    --tv-accent-hover: #1E53E5;
    --tv-success: #26A69A;
    --tv-danger: #FF5252;
    --tv-warning: #FFA726;
    --tv-buy: #089981;
    --tv-sell: #F23645;
    --tv-chart-bg: #0E1117;
    --tv-sidebar-width: 260px;
    --tv-header-height: 56px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Trebuchet MS', Roboto, Ubuntu, sans-serif;
    background: var(--tv-bg-primary);
    color: var(--tv-text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--tv-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--tv-bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3A3E49;
}

/* Layout */
.tv-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.tv-sidebar {
    width: var(--tv-sidebar-width);
    background: var(--tv-bg-secondary);
    border-right: 1px solid var(--tv-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
}

.tv-sidebar-header {
    height: var(--tv-header-height);
    display: flex;
    align-items: center;
    padding: 0 16px;
    border-bottom: 1px solid var(--tv-border);
}

.tv-logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--tv-accent);
    display: flex;
    align-items: center;
    gap: 10px;
}

.tv-logo i {
    font-size: 24px;
}

.tv-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.tv-nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--tv-text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border-left: 3px solid transparent;
}

.tv-nav-item:hover {
    background: var(--tv-bg-tertiary);
    color: var(--tv-text-primary);
}

.tv-nav-item.active {
    background: var(--tv-bg-tertiary);
    color: var(--tv-text-primary);
    border-left-color: var(--tv-accent);
}

.tv-nav-item i {
    width: 24px;
    margin-right: 12px;
    font-size: 16px;
}

.tv-nav-section {
    padding: 20px 16px 8px;
    color: var(--tv-text-secondary);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Main Content */
.tv-main {
    margin-left: var(--tv-sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Header */
.tv-header {
    height: var(--tv-header-height);
    background: var(--tv-bg-secondary);
    border-bottom: 1px solid var(--tv-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.tv-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.tv-header-title {
    font-size: 18px;
    font-weight: 600;
}

.tv-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--tv-text-secondary);
    font-size: 14px;
}

.tv-breadcrumb-separator {
    color: var(--tv-text-secondary);
}

.tv-header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.tv-search {
    position: relative;
}

.tv-search input {
    background: var(--tv-bg-tertiary);
    border: 1px solid var(--tv-border);
    border-radius: 4px;
    padding: 8px 12px 8px 36px;
    color: var(--tv-text-primary);
    font-size: 13px;
    width: 240px;
    transition: all 0.2s;
}

.tv-search input:focus {
    outline: none;
    border-color: var(--tv-accent);
    background: var(--tv-bg-primary);
}

.tv-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--tv-text-secondary);
}

.tv-user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 12px;
    background: var(--tv-bg-tertiary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.tv-user-menu:hover {
    background: #3A3E49;
}

.tv-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--tv-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.tv-user-name {
    font-size: 14px;
}

/* Content Area */
.tv-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

/* Cards */
.tv-card {
    background: var(--tv-bg-secondary);
    border: 1px solid var(--tv-border);
    border-radius: 4px;
    overflow: hidden;
}

.tv-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--tv-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tv-card-title {
    font-size: 15px;
    font-weight: 600;
}

.tv-card-body {
    padding: 20px;
}

/* Grid System */
.tv-grid {
    display: grid;
    gap: 16px;
}

.tv-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.tv-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.tv-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Stats Cards */
.tv-stat-card {
    background: var(--tv-bg-secondary);
    border: 1px solid var(--tv-border);
    border-radius: 4px;
    padding: 20px;
    transition: all 0.2s;
}

.tv-stat-card:hover {
    border-color: var(--tv-accent);
    transform: translateY(-2px);
}

.tv-stat-label {
    color: var(--tv-text-secondary);
    font-size: 12px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tv-stat-value {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tv-stat-change {
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.tv-stat-change.positive {
    color: var(--tv-success);
}

.tv-stat-change.negative {
    color: var(--tv-danger);
}

/* Buttons */
.tv-btn {
    padding: 8px 16px;
    border-radius: 4px;
    border: none;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.tv-btn-primary {
    background: var(--tv-accent);
    color: white;
}

.tv-btn-primary:hover {
    background: var(--tv-accent-hover);
}

.tv-btn-success {
    background: var(--tv-success);
    color: white;
}

.tv-btn-success:hover {
    background: #1E8E84;
}

.tv-btn-danger {
    background: var(--tv-danger);
    color: white;
}

.tv-btn-danger:hover {
    background: #E53935;
}

.tv-btn-secondary {
    background: var(--tv-bg-tertiary);
    color: var(--tv-text-primary);
}

.tv-btn-secondary:hover {
    background: #3A3E49;
}

.tv-btn-outline {
    background: transparent;
    border: 1px solid var(--tv-border);
    color: var(--tv-text-primary);
}

.tv-btn-outline:hover {
    background: var(--tv-bg-tertiary);
    border-color: var(--tv-accent);
}

/* Table */
.tv-table {
    width: 100%;
    border-collapse: collapse;
}

.tv-table thead {
    background: var(--tv-bg-tertiary);
}

.tv-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--tv-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tv-table td {
    padding: 12px 16px;
    border-top: 1px solid var(--tv-border);
    font-size: 13px;
}

.tv-table tbody tr:hover {
    background: var(--tv-bg-tertiary);
}

/* Form Elements */
.tv-form-group {
    margin-bottom: 20px;
}

.tv-label {
    display: block;
    margin-bottom: 8px;
    color: var(--tv-text-secondary);
    font-size: 13px;
    font-weight: 500;
}

.tv-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--tv-bg-tertiary);
    border: 1px solid var(--tv-border);
    border-radius: 4px;
    color: var(--tv-text-primary);
    font-size: 13px;
    transition: all 0.2s;
}

.tv-input:focus {
    outline: none;
    border-color: var(--tv-accent);
    background: var(--tv-bg-primary);
}

.tv-input::placeholder {
    color: var(--tv-text-secondary);
}

.tv-select {
    width: 100%;
    padding: 10px 12px;
    background: var(--tv-bg-tertiary);
    border: 1px solid var(--tv-border);
    border-radius: 4px;
    color: var(--tv-text-primary);
    font-size: 13px;
    cursor: pointer;
}

/* Badge */
.tv-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tv-badge-success {
    background: rgba(38, 166, 154, 0.15);
    color: var(--tv-success);
}

.tv-badge-danger {
    background: rgba(255, 82, 82, 0.15);
    color: var(--tv-danger);
}

.tv-badge-warning {
    background: rgba(255, 167, 38, 0.15);
    color: var(--tv-warning);
}

.tv-badge-info {
    background: rgba(41, 98, 255, 0.15);
    color: var(--tv-accent);
}

/* Chart Container */
.tv-chart-container {
    background: var(--tv-chart-bg);
    border: 1px solid var(--tv-border);
    border-radius: 4px;
    padding: 16px;
    min-height: 400px;
    position: relative;
}

/* Progress Bar */
.tv-progress {
    height: 4px;
    background: var(--tv-bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.tv-progress-bar {
    height: 100%;
    background: var(--tv-accent);
    transition: width 0.3s;
}

/* Alert */
.tv-alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.tv-alert-info {
    background: rgba(41, 98, 255, 0.15);
    border: 1px solid rgba(41, 98, 255, 0.3);
    color: var(--tv-accent);
}

.tv-alert-success {
    background: rgba(38, 166, 154, 0.15);
    border: 1px solid rgba(38, 166, 154, 0.3);
    color: var(--tv-success);
}

.tv-alert-warning {
    background: rgba(255, 167, 38, 0.15);
    border: 1px solid rgba(255, 167, 38, 0.3);
    color: var(--tv-warning);
}

.tv-alert-danger {
    background: rgba(255, 82, 82, 0.15);
    border: 1px solid rgba(255, 82, 82, 0.3);
    color: var(--tv-danger);
}

/* Divider */
.tv-divider {
    height: 1px;
    background: var(--tv-border);
    margin: 20px 0;
}

/* Loading */
.tv-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--tv-bg-tertiary);
    border-top-color: var(--tv-accent);
    border-radius: 50%;
    animation: tv-spin 0.8s linear infinite;
}

@keyframes tv-spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .tv-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .tv-sidebar.active {
        transform: translateX(0);
    }

    .tv-main {
        margin-left: 0;
    }

    .tv-grid-2,
    .tv-grid-3,
    .tv-grid-4 {
        grid-template-columns: 1fr;
    }

    .tv-header {
        padding: 0 16px;
    }

    .tv-content {
        padding: 16px;
    }

    .tv-search input {
        width: 180px;
    }
}

/* Utility Classes */
.tv-text-center { text-align: center; }
.tv-text-right { text-align: right; }
.tv-mt-1 { margin-top: 8px; }
.tv-mt-2 { margin-top: 16px; }
.tv-mt-3 { margin-top: 24px; }
.tv-mb-1 { margin-bottom: 8px; }
.tv-mb-2 { margin-bottom: 16px; }
.tv-mb-3 { margin-bottom: 24px; }
.tv-flex { display: flex; }
.tv-flex-between { display: flex; justify-content: space-between; }
.tv-flex-center { display: flex; align-items: center; }
.tv-gap-1 { gap: 8px; }
.tv-gap-2 { gap: 16px; }
.tv-gap-3 { gap: 24px; }