:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent-red: #e82127;
    --accent-red-dark: #b81a1f;
    --accent-green: #00ff88;
    --accent-gold: #ffd700;
    --border-color: #2a2a2a;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Auth Pages Styles */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.auth-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.auth-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.auth-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.85) 100%);
}

.auth-box {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 450px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo .logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #e82127 0%, #ff4757 100%);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 1rem;
}

.auth-logo h1 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.auth-logo p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.auth-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 4px;
}

.auth-tab {
    flex: 1;
    padding: 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.auth-tab.active {
    background: var(--accent-red);
    color: #fff;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group label i {
    margin-right: 6px;
    color: var(--accent-red);
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 4px rgba(232, 33, 39, 0.1);
}

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

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

.btn {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #e82127 0%, #ff4757 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(232, 33, 39, 0.4);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-red);
}

.btn-success {
    background: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    color: #000;
}

.btn-warning {
    background: linear-gradient(135deg, #ffd700 0%, #ffaa00 100%);
    color: #000;
}

.btn-danger {
    background: linear-gradient(135deg, #ff4757 0%, #ff6b6b 100%);
    color: #fff;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent-red);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Verification Code Input */
.code-inputs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 1.5rem 0;
}

.code-input {
    width: 50px;
    height: 60px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.code-input:focus {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 4px rgba(232, 33, 39, 0.1);
}

/* KYC Upload Styles */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.upload-area:hover {
    border-color: var(--accent-red);
    background: rgba(232, 33, 39, 0.05);
}

.upload-area i {
    font-size: 2.5rem;
    color: var(--accent-red);
    margin-bottom: 1rem;
    display: block;
}

.upload-area p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.upload-area .small {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.upload-preview {
    max-width: 200px;
    max-height: 150px;
    border-radius: 8px;
    margin-top: 1rem;
    display: none;
}

/* Alert Messages */
.alert {
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: var(--accent-green);
}

.alert-danger {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: #ff4757;
}

.alert-warning {
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    color: var(--accent-gold);
}

/* Dashboard Styles */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.5rem 0 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.sidebar-logo .logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #e82127 0%, #ff4757 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
}

.sidebar-logo span {
    font-size: 1.25rem;
    font-weight: 800;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 0.5rem;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(232, 33, 39, 0.1);
    color: var(--accent-red);
}

.sidebar-nav a i {
    width: 20px;
    text-align: center;
}

.sidebar-divider {
    border-top: 1px solid var(--border-color);
    margin: 1.5rem 0;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.top-bar h1 {
    font-size: 1.75rem;
    font-weight: 800;
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #e82127 0%, #ff4757 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
}

.user-info {
    line-height: 1.3;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.user-email {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
}

.stat-card.balance::before { background: linear-gradient(90deg, #e82127, #ff4757); }
.stat-card.profit::before { background: linear-gradient(90deg, #00ff88, #00cc6a); }
.stat-card.loss::before { background: linear-gradient(90deg, #ff4757, #ff6b6b); }
.stat-card.investments::before { background: linear-gradient(90deg, #ffd700, #ffaa00); }

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.stat-card.balance .stat-card-icon { background: rgba(232, 33, 39, 0.1); color: var(--accent-red); }
.stat-card.profit .stat-card-icon { background: rgba(0, 255, 136, 0.1); color: var(--accent-green); }
.stat-card.loss .stat-card-icon { background: rgba(255, 71, 87, 0.1); color: #ff4757; }
.stat-card.investments .stat-card-icon { background: rgba(255, 215, 0, 0.1); color: var(--accent-gold); }

.stat-card-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stat-card-value {
    font-size: 1.75rem;
    font-weight: 800;
}

.stat-card-change {
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 0.5rem;
}

.stat-card-change.positive { color: var(--accent-green); }
.stat-card-change.negative { color: #ff4757; }

/* Content Cards */
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.content-card-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

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

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

table th,
table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

table th {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

table td {
    font-size: 0.9rem;
}

table tr:last-child td {
    border-bottom: none;
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-success { background: rgba(0, 255, 136, 0.15); color: var(--accent-green); }
.badge-danger { background: rgba(255, 71, 87, 0.15); color: #ff4757; }
.badge-warning { background: rgba(255, 215, 0, 0.15); color: var(--accent-gold); }
.badge-info { background: rgba(0, 212, 255, 0.15); color: #00d4ff; }
.badge-secondary { background: rgba(255, 255, 255, 0.1); color: var(--text-secondary); }

/* KYC Status */
.kyc-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
}

.kyc-status.pending { background: rgba(255, 215, 0, 0.1); color: var(--accent-gold); }
.kyc-status.verified { background: rgba(0, 255, 136, 0.1); color: var(--accent-green); }
.kyc-status.rejected { background: rgba(255, 71, 87, 0.1); color: #ff4757; }

/* Document Preview */
.doc-preview {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.doc-preview img {
    width: 150px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

.doc-preview img:hover {
    transform: scale(1.05);
    border-color: var(--accent-red);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: #fff;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

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

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.empty-state p {
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 992px) {
    .sidebar {
        width: 80px;
        padding: 1rem;
    }
    
    .sidebar-logo span,
    .sidebar-nav a span,
    .user-info {
        display: none;
    }
    
    .sidebar-nav a {
        justify-content: center;
        padding: 12px;
    }
    
    .sidebar-nav a i {
        margin: 0;
    }
    
    .main-content {
        margin-left: 80px;
    }
    
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .auth-box {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .top-bar {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .code-input {
        width: 40px;
        height: 50px;
        font-size: 1.25rem;
    }
}