:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --sidebar-bg: #1f2937;
    --sidebar-text: #f3f4f6;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    overflow-y: auto;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.sidebar-nav {
    padding: 16px 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--primary-color);
}

.nav-link .icon {
    margin-right: 12px;
    font-size: 18px;
}

.main-content {
    margin-left: 240px;
    padding: 24px;
    flex: 1;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h2 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    border-radius: 12px;
    color: white;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-card.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.stat-card.danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.stat-card.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.stat-card.info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.stat-icon {
    font-size: 28px;
    opacity: 0.9;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
}

.stat-label {
    font-size: 13px;
    opacity: 0.9;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.table tr:hover {
    background: #f9fafb;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

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

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

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

textarea.form-control {
    resize: vertical;
    min-height: 60px;
}

.required {
    color: var(--danger-color);
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

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

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

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

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

.row {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.col-md-4 {
    flex: 0 0 33.333%;
    max-width: 33.333%;
}

.col-md-8 {
    flex: 0 0 66.666%;
    max-width: 66.666%;
}

.search-form,
.filter-form {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.search-form input,
.filter-form input,
.filter-form select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
}

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

.loan-info-box {
    background: var(--bg-color);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.loan-info-box p {
    margin-bottom: 4px;
    font-size: 14px;
}

.loan-info-box p:last-child {
    margin-bottom: 0;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.detail-item {
    font-size: 14px;
}

.detail-item label {
    color: var(--text-secondary);
    margin-right: 8px;
}

.detail-item span {
    color: var(--text-primary);
    font-weight: 500;
}

h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

@media (max-width: 992px) {
    .sidebar {
        width: 200px;
    }
    
    .main-content {
        margin-left: 200px;
    }
    
    .col-md-4,
    .col-md-8 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .sidebar-nav {
        display: flex;
        overflow-x: auto;
        padding: 8px;
    }
    
    .nav-link {
        white-space: nowrap;
        padding: 8px 16px;
        border-left: none;
        border-bottom: 2px solid transparent;
    }
    
    .nav-link.active {
        border-left: none;
        border-bottom-color: var(--primary-color);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.frontend {
    flex-direction: column;
}

.frontend-header {
    background: var(--card-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.frontend-header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.frontend-nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.frontend-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.frontend-nav a:hover,
.frontend-nav a.active {
    color: var(--primary-color);
}

.frontend-main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
    width: 100%;
}

.frontend-footer {
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: 24px;
    text-align: center;
}

.frontend-footer p {
    margin: 0;
    opacity: 0.8;
}

.auth-container {
    min-height: calc(100vh - 200px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 32px;
    width: 100%;
    max-width: 420px;
}

.auth-card h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}

.auth-link {
    text-align: center;
    margin-top: 16px;
    color: var(--text-secondary);
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.hero-section {
    text-align: center;
    padding: 60px 20px;
}

.hero-section h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.hero-section p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.features-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

.welcome-section {
    margin-bottom: 32px;
}

.welcome-section h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.welcome-section p {
    color: var(--text-secondary);
}

.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.action-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.action-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.action-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 8px;
}

.action-text {
    font-weight: 500;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
}

.apply-form {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: var(--bg-color);
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
}

.tab-btn:hover {
    background: var(--border-color);
}

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

.tab-content {
    display: none;
}

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

.application-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.application-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.application-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.application-amount {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.application-info p {
    margin-bottom: 8px;
    font-size: 14px;
}

.application-info p:last-child {
    margin-bottom: 0;
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
    background: var(--card-bg);
    border-radius: 12px;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.login-page {
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.sidebar-footer {
    margin-top: auto;
    padding: 16px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .frontend-header .container {
        flex-direction: column;
        gap: 16px;
    }
    
    .frontend-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-section h1 {
        font-size: 28px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .features-section {
        grid-template-columns: 1fr;
    }
}