@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

:root {
    /* Primary Colors - Modern Healthcare Blue */
    --primary: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-light: #93c5fd;
    
    /* Secondary Colors */
    --secondary: #6366f1;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
    
    /* Neutral Colors */
    --white: #ffffff;
    --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;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-success: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    --gradient-danger: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* Reset and Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% { transform: translateY(0); }
    40%, 43% { transform: translateY(-30px); }
    70% { transform: translateY(-15px); }
    90% { transform: translateY(-4px); }
}

.fade-in { animation: fadeIn var(--transition-slow) ease-out; }
.slide-in { animation: slideIn var(--transition-normal) ease-out; }
.pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.bounce { animation: bounce 1s; }

/* Auth Container */
.auth-container {
    min-height: 100vh;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.1"><circle cx="30" cy="30" r="4"/></g></g></svg>');
    opacity: 0.3;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 480px;
    overflow: hidden;
    position: relative;
    z-index: 1;
    animation: fadeIn var(--transition-slow) ease-out;
}

.auth-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 3rem 2rem 2rem;
    text-align: center;
    position: relative;
}

.auth-header i {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: bounce 1s ease-in-out;
}

.auth-body {
    padding: 2rem;
}

/* Navigation Pills */
.nav-pills {
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 0.25rem;
    margin-bottom: 2rem;
    display: flex;
}

.nav-pills .nav-link {
    flex: 1;
    padding: 0.75rem 1rem;
    text-align: center;
    border-radius: var(--radius-md);
    color: var(--gray-600);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
    background: transparent;
    cursor: pointer;
}

.nav-pills .nav-link.active {
    background: var(--white);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-control, .form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
    color: var(--gray-900);
    transition: all var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
    transform: translateY(-1px);
}

.form-control:disabled, .form-select:disabled {
    background: var(--gray-100);
    color: var(--gray-500);
    cursor: not-allowed;
}

/* Input Groups */
.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group-text {
    position: absolute;
    left: 0.75rem;
    color: var(--gray-500);
    z-index: 2;
    pointer-events: none;
}

.input-group .form-control {
    padding-left: 2.5rem;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0.25rem;
    z-index: 2;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--primary);
}

/* Password Strength */
.password-strength {
    margin-top: 0.5rem;
}

.password-strength-bar {
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.password-strength-fill {
    height: 100%;
    transition: all var(--transition-normal);
    border-radius: var(--radius-sm);
}

.strength-weak .password-strength-fill { width: 25%; background: var(--danger); }
.strength-fair .password-strength-fill { width: 50%; background: var(--warning); }
.strength-good .password-strength-fill { width: 75%; background: var(--info); }
.strength-strong .password-strength-fill { width: 100%; background: var(--success); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    user-select: none;
}

.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: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: var(--gradient-success);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline-primary:hover:not(:disabled) {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Dashboard Layout */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    background: var(--gray-50);
}

.sidebar {
    width: 280px;
    background: var(--gray-900);
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid var(--gray-700);
    text-align: center;
}

.sidebar-header h4 {
    color: var(--white);
    margin: 0.5rem 0 0.25rem;
    font-weight: 700;
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar .nav-link {
    color: var(--gray-400) !important;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    font-weight: 500;
}

.sidebar .nav-link:hover {
    background: var(--gray-800);
    color: var(--white) !important;
    border-left-color: var(--primary);
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    background: var(--gray-800);
    color: var(--white) !important;
    border-left-color: var(--primary);
}

.sidebar .nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.main-content {
    margin-left: 280px;
    padding: 2rem;
    width: calc(100% - 280px);
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

/* Cards */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.5rem 2rem;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 2rem;
}

/* Stats Cards */
.stat-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0.5rem 0 0.25rem;
}

.stat-card p {
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    margin: 0;
}

/* QR Container */
.qr-container {
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    border: 3px dashed var(--gray-300);
    border-radius: var(--radius-xl);
    padding: 3rem 2rem;
    text-align: center;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.qr-container:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, #f0f7ff, #e0f2fe);
}

.qr-container img {
    max-width: 280px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.qr-container img:hover {
    transform: scale(1.05);
}

/* Patient Info Display */
.patient-info {
    background: linear-gradient(135deg, #f0f9ff, #e0f7fa);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin: 1.5rem 0;
    border: 1px solid #b3e5fc;
    position: relative;
    overflow: hidden;
}

.patient-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.patient-info h4 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    transition: background var(--transition-fast);
}

.info-row:hover {
    background: rgba(59, 130, 246, 0.05);
    border-radius: var(--radius-md);
}

.info-row:last-child {
    border-bottom: none;
}

.info-row strong {
    color: var(--gray-700);
    font-weight: 600;
}

/* Alerts */
.alert {
    border-radius: var(--radius-lg);
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    animation: slideIn var(--transition-normal) ease-out;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
}

.alert-success {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    color: #065f46;
}

.alert-success::before {
    background: var(--success);
}

.alert-danger {
    background: linear-gradient(135deg, #fef2f2, #fecaca);
    color: #991b1b;
}

.alert-danger::before {
    background: var(--danger);
}

.alert-warning {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    color: #92400e;
}

.alert-warning::before {
    background: var(--warning);
}

.alert-info {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    color: #0c4a6e;
}

.alert-info::before {
    background: var(--info);
}

.alert .btn-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: currentColor;
    opacity: 0.5;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.alert .btn-close:hover {
    opacity: 1;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

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

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

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

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

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

/* Loading Spinner */
.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

/* File Upload */
.file-upload {
    position: relative;
    display: block;
    width: 100%;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3rem 2rem;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-xl);
    background: var(--gray-50);
    color: var(--gray-600);
    font-weight: 500;
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    min-height: 200px;
}

.file-upload:hover .file-upload-label {
    border-color: var(--primary);
    background: #f0f7ff;
    color: var(--primary);
}

.file-upload-label i {
    font-size: 3rem;
    color: var(--gray-400);
    transition: color var(--transition-normal);
}

.file-upload:hover .file-upload-label i {
    color: var(--primary);
}

/* Tab Content */
.tab-content {
    margin-top: 2rem;
}

.tab-pane {
    display: none;
    animation: fadeIn var(--transition-normal) ease-out;
}

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

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.quick-action {
    flex: 1;
    min-width: 200px;
    padding: 1.5rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    text-align: center;
    text-decoration: none;
    color: var(--gray-700);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.quick-action::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.quick-action:hover::before {
    transform: scaleX(1);
}

.quick-action:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    color: var(--primary);
}

.quick-action i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.quick-action h6 {
    margin: 0.5rem 0 0.25rem;
    font-weight: 600;
}

.quick-action p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

/* Progress Bar */
.progress {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
    border-radius: var(--radius-sm);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .dashboard-container.sidebar-open .sidebar {
        transform: translateX(0);
    }
    
    .dashboard-container.sidebar-open .main-content {
        margin-left: 280px;
        width: calc(100% - 280px);
    }
}

@media (max-width: 768px) {
    .auth-container {
        padding: 1rem;
    }
    
    .auth-card {
        margin: 0;
    }
    
    .auth-header {
        padding: 2rem 1.5rem 1.5rem;
    }
    
    .auth-body {
        padding: 1.5rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .quick-actions {
        flex-direction: column;
    }
    
    .quick-action {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .nav-pills {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .nav-pills .nav-link {
        flex: none;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .qr-container {
        padding: 2rem 1rem;
        min-height: 250px;
    }
    
    .qr-container img {
        max-width: 200px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--gray-500) !important; }
.text-white { color: var(--white) !important; }

.bg-primary { background-color: var(--primary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-light { background-color: var(--gray-100) !important; }
.bg-white { background-color: var(--white) !important; }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-center { align-items: center !important; }

.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

.rounded { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

.border { border: 1px solid var(--gray-200) !important; }
.border-0 { border: 0 !important; }

.fw-normal { font-weight: 400 !important; }
.fw-medium { font-weight: 500 !important; }
.fw-semibold { font-weight: 600 !important; }
.fw-bold { font-weight: 700 !important; }

.fs-sm { font-size: 0.875rem !important; }
.fs-base { font-size: 1rem !important; }
.fs-lg { font-size: 1.125rem !important; }
.fs-xl { font-size: 1.25rem !important; }

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* Glass Effect */
.glass {
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Print Styles */
@media print {
    .sidebar,
    .btn,
    .alert,
    .nav-pills {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}