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

:root {
    --primary-color: #2c5f7a;
    --primary-dark: #1e4559;
    --primary-light: #4a8db7;
    --secondary-color: #5a9a5a;
    --secondary-dark: #4a7a4a;
    --accent-color: #e8a838;
    --danger-color: #d9534f;
    --warning-color: #f0ad4e;
    --success-color: #5cb85c;
    --info-color: #5bc0de;
    --text-primary: #333;
    --text-secondary: #666;
    --text-light: #999;
    --bg-primary: #fff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #e9ecef;
    --border-color: #ddd;
    --sidebar-width: 260px;
    --header-height: 64px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-dark);
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h1 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.sidebar-header p {
    font-size: 13px;
    color: var(--text-secondary);
}

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

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    padding: 8px 20px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    font-weight: 600;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: var(--text-primary);
    font-size: 14px;
    transition: background-color 0.2s, color 0.2s;
}

.nav-item:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.nav-item.active {
    background-color: rgba(44, 95, 122, 0.1);
    color: var(--primary-color);
    border-right: 3px solid var(--primary-color);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    flex-shrink: 0;
}

.nav-item .badge {
    margin-left: auto;
    background: var(--danger-color);
    color: white;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    height: var(--header-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left h2 {
    font-size: 20px;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

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

.user-info .name {
    font-weight: 500;
    font-size: 14px;
}

.user-info .email {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Content Area */
.content {
    flex: 1;
    padding: 32px;
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 24px;
}

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

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

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

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon.primary {
    background: rgba(44, 95, 122, 0.1);
    color: var(--primary-color);
}

.stat-icon.success {
    background: rgba(92, 184, 92, 0.1);
    color: var(--success-color);
}

.stat-icon.warning {
    background: rgba(240, 173, 78, 0.1);
    color: var(--warning-color);
}

.stat-icon.danger {
    background: rgba(217, 83, 79, 0.1);
    color: var(--danger-color);
}

.stat-content h4 {
    font-size: 28px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

/* Progress Steps */
.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 32px;
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
}

.step-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 8px;
}

.step.completed .step-icon {
    background: var(--success-color);
    color: white;
}

.step.active .step-icon {
    background: var(--primary-color);
    color: white;
}

.step-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
}

.step.completed .step-label {
    color: var(--success-color);
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    border: none;
    border-radius: var(--radius-md);
    transition: all 0.2s;
}

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

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

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

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

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

.btn-outline:hover {
    background: var(--bg-secondary);
}

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

.btn-danger:hover {
    background: #c9302c;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 95, 122, 0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Alert */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-info {
    background: rgba(91, 192, 222, 0.1);
    border: 1px solid var(--info-color);
    color: #0c5460;
}

.alert-success {
    background: rgba(92, 184, 92, 0.1);
    border: 1px solid var(--success-color);
    color: #155724;
}

.alert-warning {
    background: rgba(240, 173, 78, 0.1);
    border: 1px solid var(--warning-color);
    color: #856404;
}

.alert-error {
    background: rgba(217, 83, 79, 0.1);
    border: 1px solid var(--danger-color);
    color: #721c24;
}

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

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

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

table th {
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
}

table td {
    font-size: 14px;
}

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

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

.badge-pending {
    background: rgba(240, 173, 78, 0.1);
    color: var(--warning-color);
}

.badge-completed {
    background: rgba(92, 184, 92, 0.1);
    color: var(--success-color);
}

.badge-required {
    background: rgba(217, 83, 79, 0.1);
    color: var(--danger-color);
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.file-upload:hover {
    border-color: var(--primary-color);
    background: rgba(44, 95, 122, 0.02);
}

.file-upload svg {
    width: 48px;
    height: 48px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.file-upload p {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.file-upload .file-types {
    font-size: 13px;
    color: var(--text-light);
}

.file-upload input[type="file"] {
    display: none;
}

/* Progress Bar */
.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar .progress {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content {
        padding: 20px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}