:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #1f2937;
    --light: #f9fafb;
    --border: #e5e7eb;
    --text: #374151;
    --text-light: #6b7280;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--light);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,215,0,0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

.auth-box {
    background: rgba(20, 20, 40, 0.95);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(255,215,0,0.1);
    width: 100%;
    max-width: 420px;
    border: 1px solid rgba(255,215,0,0.2);
    position: relative;
    z-index: 1;
}

.auth-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ffd700, #ff6b6b, #4ecdc4, #ffd700);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
    border-radius: 16px 16px 0 0;
}

@keyframes shimmer {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

.auth-box h1 {
    margin-bottom: 10px;
    color: #ffd700;
    font-size: 32px;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(255,215,0,0.3);
    text-align: center;
}

.auth-box p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 30px;
    font-size: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
    font-size: 14px;
}

.card-body .form-group label {
    color: var(--text);
}

.auth-box .form-group label {
    color: rgba(255,255,255,0.9);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    background: white;
    color: var(--text);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.auth-box .form-control {
    border: 1px solid rgba(255,215,0,0.3);
    background: rgba(255,255,255,0.05);
    color: white;
}

.auth-box .form-control:focus {
    border-color: #ffd700;
    box-shadow: 0 0 0 3px rgba(255,215,0,0.1), 0 0 20px rgba(255,215,0,0.2);
    background: rgba(255,255,255,0.08);
}

.auth-box .form-control::placeholder {
    color: rgba(255,255,255,0.4);
}

.auth-box select.form-control {
    background: rgba(255,255,255,0.05);
    color: white;
}

.auth-box select.form-control option {
    background: #1a1a2e;
    color: white;
}

.auth-box textarea.form-control {
    background: rgba(255,255,255,0.05);
    color: white;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #1a1a2e;
    width: 100%;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(255,215,0,0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ffed4e 0%, #ffd700 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,215,0,0.4);
}

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

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

.btn-secondary {
    background: var(--border);
    color: var(--text);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

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

.sidebar {
    width: 260px;
    background: var(--dark);
    color: white;
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

.sidebar-brand h2 {
    font-size: 24px;
    color: var(--primary);
}

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

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-menu li a .material-icons {
    font-size: 20px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background: rgba(99, 102, 241, 0.2);
    color: white;
    border-left: 3px solid var(--primary);
}

.main-content {
    flex: 1;
    margin-left: 260px;
    background: var(--light);
}

.topbar {
    background: white;
    padding: 16px 30px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-left h1 {
    font-size: 24px;
    color: var(--dark);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.wallet-badge {
    background: var(--success);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
}

.notification-bell {
    position: relative;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s;
}

.notification-bell:hover {
    background: var(--light);
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.notification-dropdown {
    position: absolute;
    top: 45px;
    right: 0;
    width: 380px;
    max-height: 500px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    z-index: 1000;
    overflow: hidden;
}

.notification-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notification-header h4 {
    margin: 0;
    font-size: 16px;
    color: var(--dark);
}

.notification-list {
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.2s;
}

.notification-item:hover {
    background: var(--light);
}

.notification-item.unread {
    background: rgba(99, 102, 241, 0.05);
    border-left: 3px solid var(--primary);
}

.notification-item .notification-title {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 5px;
    font-size: 14px;
}

.notification-item .notification-message {
    color: var(--text);
    font-size: 13px;
    margin-bottom: 5px;
}

.notification-item .notification-time {
    color: var(--text-light);
    font-size: 11px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    position: relative;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.content-area {
    padding: 30px;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-left: 4px solid var(--primary);
}

.stat-card.success {
    border-left-color: var(--success);
}

.stat-card.warning {
    border-left-color: var(--warning);
}

.stat-card.danger {
    border-left-color: var(--danger);
}

.stat-label {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.stat-change {
    font-size: 13px;
    color: var(--success);
}

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

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

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

.card-header h3 {
    font-size: 18px;
    color: var(--dark);
}

.card-body {
    padding: 24px;
}

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

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

table thead {
    background: var(--light);
}

table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text);
    font-size: 13px;
    text-transform: uppercase;
}

table td {
    padding: 16px 12px;
    border-bottom: 1px solid var(--border);
}

table tbody tr:hover {
    background: var(--light);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: #d1fae5;
    color: var(--success);
}

.badge-warning {
    background: #fef3c7;
    color: var(--warning);
}

.badge-danger {
    background: #fee2e2;
    color: var(--danger);
}

.badge-primary {
    background: #e0e7ff;
    color: var(--primary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    font-size: 20px;
    color: var(--dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    background: var(--light);
    padding: 10px;
    border-radius: 12px;
}

.tab {
    flex: 1;
    padding: 16px 20px;
    background: white;
    border: 2px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    color: var(--text-light);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
    text-align: center;
    position: relative;
    user-select: none;
}

.tab:not(.disabled):hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
    background: rgba(99, 102, 241, 0.05);
}

.tab.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.tab.active {
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.tab.active::after {
    content: '✓';
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 12px;
    background: rgba(255,255,255,0.3);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tab:not(.disabled):not(.active)::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s;
}

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

/* Charts */
.chart-container {
    position: relative;
    height: 300px;
    margin: 20px 0;
}

/* Alerts */
.alert {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border-left: 4px solid #10b981;
    border-radius: 8px;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border-left: 4px solid #ef4444;
    border-radius: 8px;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border-left: 4px solid #f59e0b;
    border-radius: 8px;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-10 { gap: 10px; }
.hidden { display: none; }

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

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

/* Targeting Sections */
.targeting-section {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.targeting-header {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--light);
}

.targeting-header h4 {
    font-size: 16px;
    color: var(--dark);
    font-weight: 600;
    margin: 0;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.group-label {
    font-weight: 600;
    color: var(--text);
    font-size: 13px;
    margin-bottom: 5px;
    display: block;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    color: var(--text);
}

.checkbox-label:hover {
    background: var(--light);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Ad Format Cards */
.ad-format-card {
    padding: 20px;
    border: 2px solid var(--border);
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: white;
}

.ad-format-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.ad-format-card.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}
/* Payment Method Cards */
.payment-method-card {
    padding: 20px;
    border: 2px solid var(--border);
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: white;
}

.payment-method-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.payment-method-card.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}