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

body {
    font-family: 'Inter', sans-serif;
    background: #f5f7fb;
    color: #1e293b;
}

:root {
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --white: #ffffff;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-500: #64748b;
    --gray-700: #334155;
}

/* Header Styles */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.logo h1 {
    font-size: 24px;
    color: var(--primary);
    cursor: pointer;
    transition: opacity 0.2s;
}

.logo h1:hover {
    opacity: 0.8;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--gray-100);
    padding: 6px 16px;
    border-radius: 40px;
    cursor: pointer;
    transition: 0.2s;
}

.user-menu:hover {
    background: var(--gray-200);
}

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

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    gap: 8px;
    background: var(--white);
    padding: 8px 24px;
    border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
}

.nav-tab {
    padding: 8px 20px;
    background: var(--gray-100);
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: 0.2s;
}

.nav-tab:hover {
    background: var(--gray-200);
}

.nav-tab.active {
    background: var(--primary);
    color: white;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 24px auto;
    padding: 0 24px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border-radius: 20px;
    padding: 20px;
    border: 1px solid var(--gray-200);
    transition: 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.stat-card h3 {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
}

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

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

.stat-change {
    font-size: 12px;
    margin-top: 6px;
}

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

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

/* Chart Container */
.chart-container {
    background: var(--white);
    border-radius: 20px;
    padding: 20px;
    border: 1px solid var(--gray-200);
    margin-bottom: 24px;
}

.chart-container h3 {
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
}

.chart-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

/* CPC Grid */
.cpc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.cpc-card {
    background: var(--white);
    border-radius: 20px;
    border: 1px solid var(--gray-200);
    padding: 20px;
}

.cpc-card h3 {
    margin-bottom: 16px;
    font-size: 16px;
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: 8px;
}

.cpc-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-200);
}

.cpc-total {
    font-weight: 700;
    color: var(--primary);
    font-size: 16px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 2px solid var(--gray-200);
}

/* Journal Table */
.journal-table {
    background: var(--white);
    border-radius: 20px;
    border: 1px solid var(--gray-200);
    overflow-x: auto;
}

.journal-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.journal-table th,
.journal-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.journal-table th {
    background: var(--gray-100);
    font-weight: 600;
}

.journal-table tr:hover {
    background: var(--gray-100);
}

/* Badge */
.badge-auto {
    background: #e2e8f0;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
}

.badge-manual {
    background: #dbeafe;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
}

/* Form Styles */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    font-size: 13px;
    transition: 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 40px;
    cursor: pointer;
    font-weight: 500;
    transition: 0.2s;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
}

.btn-outline:hover {
    background: var(--gray-200);
}

/* 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;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-card {
    background: var(--white);
    border-radius: 24px;
    width: 100%;
    max-width: 500px;
    padding: 28px;
    max-height: 90vh;
    overflow-y: auto;
}

/* Footer */
.footer {
    text-align: center;
    padding: 24px;
    color: var(--gray-500);
    font-size: 12px;
    border-top: 1px solid var(--gray-200);
    margin-top: 40px;
}

.footer p {
    margin: 0;
}

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-header h2 {
    font-size: 20px;
    font-weight: 600;
}

/* Center Card */
.center-card {
    max-width: 600px;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 768px) {
    .chart-row {
        grid-template-columns: 1fr;
    }
    
    .cpc-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-tabs {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 12px 16px;
    }
    
    .nav-tab {
        width: 100%;
        text-align: center;
        padding: 12px;
        font-size: 12px;
    }
    
    .container {
        padding: 0 16px;
        margin: 16px auto;
    }
    
    .journal-table {
        border-radius: 16px;
    }
    
    .journal-table table {
        min-width: 600px;
    }
    
    .stat-value {
        font-size: 22px;
    }
    
    .logo h1 {
        font-size: 20px;
    }
    
    .user-menu {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-tabs {
        grid-template-columns: 1fr;
    }
    
    .nav-tab {
        font-size: 13px;
    }
    
    .stat-value {
        font-size: 20px;
    }
    
    .logo h1 {
        font-size: 18px;
    }
    
    .btn-primary {
        width: 100%;
    }
    
    .modal-card {
        padding: 20px;
        border-radius: 18px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px;
    }
}