:root {
    --primary: #007EA4;
    --primary-dark: #005F7A;
    --primary-light: #E6F4F7;
    --secondary: #F7941D;
    --secondary-dark: #E07D0A;
    --success: #10B981;
    --success-light: #D1FAE5;
    --danger: #EF4444;
    --danger-light: #FEE2E2;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.625rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Alexandria", sans-serif;
    font-optical-sizing: auto;
    background-color: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.page-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-title i {
    color: var(--primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 126, 164, 0.3);
}

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

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

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

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

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

.btn-danger:hover {
    background-color: #DC2626;
}

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

.btn-success:hover {
    background-color: #059669;
}

.btn-ghost {
    background-color: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover {
    background-color: var(--gray-100);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-100);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-label.required::after {
    content: " *";
    color: var(--danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    font-family: inherit;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background-color: var(--white);
    color: var(--gray-800);
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 126, 164, 0.15);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--danger);
}

.form-error {
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: 0.375rem;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.375rem;
}

.form-grid {
    display: grid;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .form-grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th,
.table td {
    padding: 0.875rem 1rem;
    text-align: right;
    border-bottom: 1px solid var(--gray-100);
}

.table th {
    background-color: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    white-space: nowrap;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

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

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

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

.badge-success {
    background-color: var(--success-light);
    color: #059669;
}

.badge-danger {
    background-color: var(--danger-light);
    color: #DC2626;
}

.badge-warning {
    background-color: var(--warning-light);
    color: #D97706;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.alert-success {
    background-color: var(--success-light);
    color: #065F46;
}

.alert-danger {
    background-color: var(--danger-light);
    color: #991B1B;
}

.alert-warning {
    background-color: var(--warning-light);
    color: #92400E;
}

.alert-info {
    background-color: var(--primary-light);
    color: var(--primary-dark);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 32rem;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(10px);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
}

.modal-close {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    border: none;
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--gray-100);
    background-color: var(--gray-50);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.chip-default {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-color: var(--gray-200);
}

.chip-default:hover {
    background-color: var(--gray-200);
}

.chip-selected {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.chip-selected:hover {
    background-color: var(--primary-dark);
}

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    background-color: var(--gray-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.empty-state-text {
    font-size: 0.875rem;
    color: var(--gray-500);
    max-width: 20rem;
    margin: 0 auto 1.5rem;
}

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

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.blue {
    background-color: var(--primary-light);
    color: var(--primary);
}

.stat-icon.purple {
    background-color: #EDE9FE;
    color: #7C3AED;
}

.stat-icon.orange {
    background-color: #FFEDD5;
    color: #EA580C;
}

.stat-icon.green {
    background-color: var(--success-light);
    color: #059669;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.file-upload {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.file-upload:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.file-upload-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 0.75rem;
    color: var(--gray-400);
}

.file-upload-text {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.file-upload-hint {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 0.5rem;
}

.section-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    color: var(--gray-400);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-divider::before,
.section-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--gray-200);
}

@media (max-width: 640px) {
    .page-container {
        padding: 1rem;
    }
    
    .page-title {
        font-size: 1.375rem;
    }
    
    .form-grid-2 {
        grid-template-columns: 1fr;
    }
    
    .modal {
        max-width: 100%;
        margin: 0;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        max-height: 85vh;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}