:root {
    /* Core Colors */
    --bg-dark: #07090E;
    --bg-panel: rgba(18, 22, 33, 0.6);
    --bg-panel-hover: rgba(25, 32, 45, 0.8);
    
    /* Accents */
    --accent-blue: #3B82F6;
    --accent-blue-glow: rgba(59, 130, 246, 0.3);
    --accent-purple: #8B5CF6;
    --accent-purple-glow: rgba(139, 92, 246, 0.3);
    --accent-green: #10B981;
    --accent-green-glow: rgba(16, 185, 129, 0.3);
    --accent-red: #EF4444;
    --accent-gold: #F59E0B;
    
    /* Typography */
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    /* Borders & Structural */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.15);
    
    /* Font Families */
    --font-main: 'Outfit', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-main);
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    background-attachment: fixed;
}

/* Glassmorphism Utilities */
.glass {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    border-radius: 16px;
}

/* Glow Effects */
.blue-glow { box-shadow: 0 0 20px var(--accent-blue-glow); color: var(--accent-blue); }
.purple-glow { box-shadow: 0 0 20px var(--accent-purple-glow); color: var(--accent-purple); }
.green-glow { box-shadow: 0 0 20px var(--accent-green-glow); color: var(--accent-green); }
.orange-glow { box-shadow: 0 0 20px rgba(245, 158, 11, 0.3); color: var(--accent-gold); }
.gold-glow { box-shadow: 0 0 20px rgba(245, 158, 11, 0.3); color: var(--accent-gold); }

/* Login Overlay */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(7, 9, 14, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 9999;
    animation: fadeIn 0.5s ease-out;
}

.login-card {
    width: 400px;
    padding: 40px;
    text-align: center;
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
}

.login-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}

.login-brand .brand-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-blue);
    filter: drop-shadow(0 0 12px var(--accent-blue-glow));
}

.login-brand h2 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1px;
}

.login-sub {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 14px;
}

.input-group {
    position: relative;
    margin-bottom: 24px;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 20px;
    height: 20px;
    transition: color 0.3s ease;
}

.input-group input {
    width: 100%;
    padding: 16px 16px 16px 48px;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: white;
    font-family: var(--font-mono);
    font-size: 16px;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px var(--accent-purple-glow);
}

.input-group input:focus + .input-icon {
    color: var(--accent-purple);
}

.btn-glow {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border: none;
    border-radius: 12px;
    color: white;
    font-family: var(--font-main);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
}

.btn-glow i {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.btn-glow:hover i {
    transform: translateX(4px);
}

.login-error {
    color: var(--accent-red);
    margin-top: 16px;
    font-size: 14px;
    min-height: 20px;
    font-weight: 500;
}

/* App Layout */
.app-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    padding: 24px;
    display: flex;
    flex-direction: column;
    border-radius: 0;
    border-top: none;
    border-bottom: none;
    border-left: none;
    z-index: 100;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    padding: 0 12px;
}

.sidebar-brand h1 {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(90deg, #fff, #94A3B8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link i {
    width: 20px;
    height: 20px;
}

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

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

.sidebar-footer {
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    border-color: rgba(239, 68, 68, 0.3);
}

.market-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(0,0,0,0.3);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-red);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
    transition: all 0.3s ease;
}

.badge-dot.open {
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
    animation: pulse 2s infinite;
}

/* Main Content */
.main-content {
    padding: 32px 40px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    height: 100vh;
    overflow-y: auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    border-radius: 20px;
}

.header-left h2 {
    font-weight: 600;
    font-size: 24px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-time {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 14px;
    white-space: nowrap;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
    border-radius: 8px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
}

/* Sections */
.section {
    display: none;
    animation: fadeIn 0.4s ease;
}

.section.active {
    display: block;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    border-color: var(--border-highlight);
}

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

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.stat-icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    font-family: var(--font-mono);
}

/* Dashboard Panels */
.dashboard-panels {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.card {
    display: flex;
    flex-direction: column;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h3 i {
    color: var(--accent-blue);
    width: 18px;
    height: 18px;
}

.card-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}

.card-link:hover {
    color: var(--accent-blue);
}

.card-body {
    padding: 24px;
    flex-grow: 1;
}

.card-body.no-padding {
    padding: 0;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 16px 24px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.data-table td {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.02);
    font-family: var(--font-mono);
    font-size: 14px;
}

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

/* Badges */
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-family: var(--font-main);
}

.badge-buy { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-sell { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-hold { background: rgba(148, 163, 184, 0.15); color: var(--text-secondary); border: 1px solid rgba(148, 163, 184, 0.3); }
.badge-neutral { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }

.search-bar {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 24px;
}

.search-bar input {
    flex: 1;
    padding: 16px 24px;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
}

.search-bar input:focus {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px var(--accent-purple-glow);
}

.search-bar .btn-glow {
    width: auto;
    padding: 16px 32px;
    margin: 0;
}

/* Animations */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    0% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    70% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

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

@media (max-width: 768px) {
    .app-container {
        grid-template-columns: 1fr;
    }
    .sidebar {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .main-content {
        padding: 20px;
    }
}