@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-50: #EEF2FF;
    --primary-100: #E0E7FF;
    --primary-200: #C7D2FE;
    --primary-300: #A5B4FC;
    --primary-400: #818CF8;
    --primary-500: #6366F1;
    --primary-600: #4F46E5;
    --primary-700: #4338CA;
    --primary-800: #3730A3;
    --primary-900: #312E81;

    --secondary-50: #ECFDF5;
    --secondary-100: #D1FAE5;
    --secondary-200: #A7F3D0;
    --secondary-300: #6EE7B7;
    --secondary-400: #34D399;
    --secondary-500: #10B981;
    --secondary-600: #059669;
    --secondary-700: #047857;
    --secondary-800: #065F46;
    --secondary-900: #064E3B;

    --accent-50: #FFF7ED;
    --accent-100: #FFEDD5;
    --accent-200: #FED7AA;
    --accent-300: #FDBA74;
    --accent-400: #FB923C;
    --accent-500: #F97316;
    --accent-600: #EA580C;
    --accent-700: #C2410C;
    --accent-800: #9A3412;
    --accent-900: #7C2D12;

    --success-50: #F0FDF4;
    --success-100: #DCFCE7;
    --success-200: #BBF7D0;
    --success-300: #86EFAC;
    --success-400: #4ADE80;
    --success-500: #22C55E;
    --success-600: #16A34A;
    --success-700: #15803D;
    --success-800: #166534;
    --success-900: #14532D;

    --warning-50: #FEFCE8;
    --warning-100: #FEF9C3;
    --warning-200: #FEF08A;
    --warning-300: #FDE047;
    --warning-400: #FACC15;
    --warning-500: #EAB308;
    --warning-600: #CA8A04;
    --warning-700: #A16207;
    --warning-800: #854D0E;
    --warning-900: #713F12;

    --error-50: #FEF2F2;
    --error-100: #FEE2E2;
    --error-200: #FECACA;
    --error-300: #FCA5A5;
    --error-400: #F87171;
    --error-500: #EF4444;
    --error-600: #DC2626;
    --error-700: #B91C1C;
    --error-800: #991B1B;
    --error-900: #7F1D1D;

    --info-50: #EFF6FF;
    --info-100: #DBEAFE;
    --info-200: #BFDBFE;
    --info-300: #93C5FD;
    --info-400: #60A5FA;
    --info-500: #3B82F6;
    --info-600: #2563EB;
    --info-700: #1D4ED8;
    --info-800: #1E40AF;
    --info-900: #1E3A8A;

    --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;

    --primary-color: var(--primary-600);
    --primary-hover: var(--primary-700);
    --primary-light: var(--primary-50);
    --secondary-color: var(--secondary-500);
    --secondary-hover: var(--secondary-600);
    --accent-color: var(--accent-500);
    --accent-hover: var(--accent-600);
    --warning-color: var(--warning-500);
    --warning-hover: var(--warning-600);
    --error-color: var(--error-500);
    --error-hover: var(--error-600);
    --success-color: var(--success-500);
    --info-color: var(--info-500);

    --bg-primary: #FFFFFF;
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    --bg-glass: rgba(255, 255, 255, 0.95);
    --bg-glass-dark: rgba(255, 255, 255, 0.85);

    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-tertiary: var(--gray-400);
    --text-inverse: #FFFFFF;

    --border-color: var(--gray-200);
    --border-hover: var(--gray-300);

    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);

    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    --transition-instant: 50ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    --spacing-0: 0;
    --spacing-px: 1px;
    --spacing-0-5: 2px;
    --spacing-1: 4px;
    --spacing-1-5: 6px;
    --spacing-2: 8px;
    --spacing-2-5: 10px;
    --spacing-3: 12px;
    --spacing-3-5: 14px;
    --spacing-4: 16px;
    --spacing-5: 20px;
    --spacing-6: 24px;
    --spacing-7: 28px;
    --spacing-8: 32px;
    --spacing-9: 36px;
    --spacing-10: 40px;
    --spacing-11: 44px;
    --spacing-12: 48px;
    --spacing-14: 56px;
    --spacing-16: 64px;
    --spacing-20: 80px;
    --spacing-24: 96px;
    --spacing-32: 128px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    --font-mono: 'SF Mono', 'Roboto Mono', 'Monaco', 'Consolas', 'Liberation Mono', 'Courier New', monospace;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-4);
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 768px;
}

.container-lg {
    max-width: 1024px;
}

.container-xl {
    max-width: 1280px;
}

.page-header {
    margin-bottom: var(--spacing-8);
    padding: var(--spacing-6) 0;
    animation: fadeInDown 0.6s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
    letter-spacing: -0.025em;
    line-height: var(--leading-tight);
}

.page-header .subtitle {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    font-weight: var(--font-weight-normal);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2-5) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: var(--leading-none);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-secondary);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-sm);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-600));
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--success-600), var(--success-700));
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-500), var(--error-600));
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--error-600), var(--error-700));
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-600));
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-warning:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--warning-600), var(--warning-700));
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-500), var(--info-600));
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-info:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--info-600), var(--info-700));
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-xs {
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
}

.btn-sm {
    padding: var(--spacing-1-5) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
}

.btn-xl {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

.btn-icon {
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.form-label.required::after {
    content: ' *';
    color: var(--error-500);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-2-5) var(--spacing-3);
    font-size: var(--font-size-sm);
    line-height: var(--leading-normal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-base);
    appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-tertiary);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--bg-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236B7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-3) center;
    background-size: 16px;
    padding-right: var(--spacing-10);
}

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

.form-checkbox,
.form-radio {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-checkbox:checked,
.form-radio:checked {
    background-color: var(--primary-500);
    border-color: var(--primary-500);
}

.form-radio {
    border-radius: 50%;
}

.error-text {
    color: var(--error-500);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-1);
}

.card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.card-header {
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

.card-header h2,
.card-header h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    padding: var(--spacing-6);
}

.card-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    display: flex;
    gap: var(--spacing-2);
    justify-content: flex-end;
    align-items: center;
}

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    min-height: 200px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table thead {
    background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-tertiary));
}

.table th {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
}

.table td {
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

.table tbody tr:hover {
    background-color: var(--bg-secondary);
    transform: scale(1.01);
}

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

.message {
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    animation: slideIn 0.4s ease-out;
    font-weight: var(--font-weight-medium);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message.success {
    background: linear-gradient(135deg, var(--success-50), var(--success-100));
    color: var(--success-700);
    border: 1px solid var(--success-200);
}

.message.error {
    background: linear-gradient(135deg, var(--error-50), var(--error-100));
    color: var(--error-700);
    border: 1px solid var(--error-200);
}

.message.warning {
    background: linear-gradient(135deg, var(--warning-50), var(--warning-100));
    color: var(--warning-700);
    border: 1px solid var(--warning-200);
}

.message.info {
    background: linear-gradient(135deg, var(--info-50), var(--info-100));
    color: var(--info-700);
    border: 1px solid var(--info-200);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2-5);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    white-space: nowrap;
    letter-spacing: 0.025em;
}

.badge-primary {
    background-color: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background-color: var(--success-100);
    color: var(--success-700);
}

.badge-warning {
    background-color: var(--warning-100);
    color: var(--warning-700);
}

.badge-error {
    background-color: var(--error-100);
    color: var(--error-700);
}

.badge-info {
    background-color: var(--info-100);
    color: var(--info-700);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-6);
}

.pagination a,
.pagination span {
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-base);
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-medium);
}

.pagination a:hover:not(.active):not(.disabled) {
    background-color: var(--bg-secondary);
    border-color: var(--primary-500);
    color: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.pagination .active {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: var(--text-inverse);
    border-color: var(--primary-500);
    box-shadow: var(--shadow-md);
}

.pagination .disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.search-bar {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 280px;
    position: relative;
}

.search-input input {
    width: 100%;
    padding: var(--spacing-2-5) var(--spacing-3) var(--spacing-2-5) var(--spacing-10);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    background-color: var(--bg-primary);
}

.search-input input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-icon {
    position: absolute;
    left: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-box {
    display: flex;
    gap: var(--spacing-3);
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-6);
}

.search-box .form-input,
.search-box .form-select {
    flex: 1;
    min-width: 200px;
}

.grid {
    display: grid;
    gap: var(--spacing-5);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-12);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

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

.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
    gap: var(--spacing-4);
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.action-bar .left,
.action-bar .right {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.user-info {
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-6);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    border: 1px solid var(--border-color);
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.user-info span {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-primary);
    margin: var(--spacing-8) auto;
    width: 90%;
    max-width: 600px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    animation: modalSlideIn 0.4s ease-out;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

.modal-header h2 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-6);
}

.modal-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-2);
    background-color: var(--bg-secondary);
}

.close {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-light);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1;
    padding: var(--spacing-1);
}

.close:hover {
    color: var(--text-primary);
    transform: rotate(90deg);
}

.form-actions {
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
    margin-top: var(--spacing-6);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-table thead {
    background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-tertiary));
}

.data-table th {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
}

.data-table td {
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

.data-table tbody tr:hover {
    background-color: var(--bg-secondary);
    transform: scale(1.005);
}

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

.btn-small {
    padding: var(--spacing-1-5) var(--spacing-2-5);
    font-size: var(--font-size-xs);
}

.btn-delete {
    transition: all var(--transition-base);
}

.btn-delete:hover {
    transform: scale(1.1);
}

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-3);
    }

    .page-header h1 {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-2);
    }

    .page-header h1 {
        font-size: var(--font-size-xl);
    }

    .page-header {
        padding: var(--spacing-4) 0;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .action-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .action-bar .left,
    .action-bar .right {
        width: 100%;
        flex-direction: column;
    }

    .search-bar,
    .search-box {
        flex-direction: column;
    }

    .search-input,
    .search-box .form-input,
    .search-box .form-select {
        width: 100%;
    }

    .table-container {
        border-radius: var(--radius-lg);
    }

    .table th,
    .table td,
    .data-table th,
    .data-table td {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        margin: var(--spacing-4) auto;
        border-radius: var(--radius-xl);
    }

    .card-body {
        padding: var(--spacing-4);
    }
}

@media (max-width: 480px) {
    body {
        font-size: var(--font-size-sm);
    }

    .container {
        padding: 0 var(--spacing-2);
    }

    .page-header h1 {
        font-size: var(--font-size-lg);
    }

    .card-body {
        padding: var(--spacing-3);
    }

    .btn {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-xs);
    }

    .form-input,
    .form-select,
    .form-textarea {
        padding: var(--spacing-2);
        font-size: var(--font-size-sm);
    }
}

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

:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

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

.btn svg {
    width: 16px;
    height: 16px;
}

.btn-lg svg {
    width: 20px;
    height: 20px;
}

.btn-xl svg {
    width: 24px;
    height: 24px;
}

.message svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.user-info svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--success-500), var(--success-700));
}

.bg-gradient-error {
    background: linear-gradient(135deg, var(--error-500), var(--error-700));
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--warning-500), var(--warning-700));
}

.shadow-glow {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}