:root {
    /* Premium Dark Theme Variables */
    --bg-main: #0b0f19;
    --bg-sidebar: rgba(15, 23, 42, 0.6);
    --bg-glass: rgba(20, 28, 48, 0.45);
    --border-glass: rgba(255, 255, 255, 0.05);

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-blue: #3b82f6;
    --accent-blue-glow: rgba(59, 130, 246, 0.4);

    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.3);

    --accent-red: #ef4444;
    --accent-red-glow: rgba(239, 68, 68, 0.3);

    --accent-purple: #8b5cf6;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;

    --anim-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --anim-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    /* Add subtle gradient background */
    background-image:
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Typography Utilities */
.text-green {
    color: var(--accent-green);
}

.text-danger {
    color: var(--accent-red);
}

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

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

.font-mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.text-sm {
    font-size: 0.875rem;
}

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

/* Glassmorphism Utilities */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-glass);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    position: sticky;
    top: 0;
    height: 100vh;
    transition: transform 0.3s ease;
    z-index: 1001;
}

/* Sidebar Toggle Button */
.sidebar-toggle {
    display: none;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 0.6rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-right: 1.25rem;
    align-items: center;
    justify-content: center;
    transition: all var(--anim-fast);
    z-index: 1002;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-blue);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;
}

@media (max-width: 1024px) {
    .sidebar {
        position: fixed;
        left: 0;
        transform: translateX(-100%);
    }

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

    .sidebar-toggle {
        display: flex !important;
    }

    .sidebar-overlay.active {
        display: block;
    }

    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
        padding: 1rem !important;
    }

    .tabs-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }

    .tab-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: var(--radius-sm);
    box-shadow: 0 0 15px var(--accent-blue-glow);
}

.logo h2 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #fff, #a5b4fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--anim-fast);
    font-weight: 500;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transform: translateX(4px);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.15), transparent);
    color: var(--accent-blue);
    border-left: 3px solid var(--accent-blue);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 999px;
}

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

@keyframes pulse {
    0% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.kpi-card {
    padding: 1.5rem;
    transition: transform var(--anim-fast), box-shadow var(--anim-fast);
}

.kpi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.kpi-header h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.icon-wrapper {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.icon-wrapper.default {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.icon-wrapper.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.icon-wrapper.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* Dashboard Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
    gap: 1.5rem;
}

.chart-container,
.recent-signals,
.recent-trades {
    padding: 1.5rem;
}

.full-width {
    grid-column: 1 / -1;
}

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

.section-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
}

.btn {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
    transition: all var(--anim-fast);
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
}

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

.chart-wrapper {
    height: 300px;
    width: 100%;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th,
.data-table td {
    padding: 1rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-glass);
}

.data-table th {
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.data-table tbody tr {
    transition: background var(--anim-fast);
}

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

/* Badges */
.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-exchange {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

/* Status dots */
.status-dot-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.bg-success {
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green-glow);
}

.bg-danger {
    background: var(--accent-red);
    box-shadow: 0 0 8px var(--accent-red-glow);
}

.bg-warning {
    background: #f59e0b;
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.3);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        flex-direction: row;
        align-items: center;
        padding: 1rem;
        position: relative;
    }

    .logo h2 {
        display: none;
    }

    .nav-menu {
        flex-direction: row;
        flex: 1;
        justify-content: flex-end;
    }

    .nav-item {
        padding: 0.5rem;
        font-size: 0;
    }

    .nav-item.active {
        border-left: none;
        border-bottom: 2px solid var(--accent-blue);
        background: transparent;
    }

    .main-content {
        padding: 1.5rem 1rem;
    }
}

/* Copy Tooltip & Button */
.copy-box {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glass);
    margin-top: 0.5rem;
    position: relative;
}

.copy-box code {
    flex: 1;
    font-size: 0.8125rem;
    color: var(--accent-blue);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-copy {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-secondary);
    padding: 4px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* JSON Generator */
.generator-card {
    grid-column: 1 / -1;
}

.json-output {
    width: 100%;
    height: 200px;
    background: #05070a;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: #4ade80;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    padding: 1rem;
    resize: none;
    margin-top: 1rem;
}

.info-item {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.info-item label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-item span {
    font-weight: 600;
    color: var(--text-primary);
}

/* Tabs Navigation */
.tabs-nav {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: all var(--anim-fast);
    white-space: nowrap;
}

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

.tab-btn.active {
    background: var(--bg-glass);
    border-color: var(--border-glass);
    color: var(--accent-blue);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

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

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Enhanced Settings Layout */
.settings-section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-glass);
}

.settings-section-title i {
    color: var(--accent-blue);
}

.settings-section-title h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Mobile Header Display Logic */
@media (max-width: 992px) {
    .mobile-header {
        display: flex !important;
    }
}