/**
 * Employee Time Tracking Frontend Styles
 * 
 * @package Employee Time Tracking
 * @subpackage Frontend Styles
 * @version 1.0.0
 * @description Comprehensive styling for the frontend employee dashboard,
 *              time tracking interface, and user authentication components.
 */

/* ==========================================================================
   CSS CUSTOM PROPERTIES
   ========================================================================== */

:root {
    /* Primary Color Palette */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    
    /* Semantic Colors */
    --success-color: #059669;
    --success-light: #10b981;
    --warning-color: #d97706;
    --warning-light: #f59e0b;
    --danger-color: #dc2626;
    --danger-light: #ef4444;
    --info-color: #0891b2;
    --info-light: #06b6d4;
    
    /* Grayscale Color System */
    --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;
    
    /* Shadow System */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius Scale */
    --radius-sm: 0.125rem;
    --radius: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    
    /* Transition System */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   GLOBAL FOUNDATION
   ========================================================================== */

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--gray-50);
    margin: 0;
    padding: 0;
    font-size: 14px;
}

.ett-employee-dashboard {
    max-width: 100% !important;
    min-height: 100vh;
    background: var(--gray-50);
}

/* ==========================================================================
   DASHBOARD HEADER
   ========================================================================== */

.ett-dashboard-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.ett-dashboard-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.ett-header-content {
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

.ett-header-left h1 {
    margin: 0 0 0.5rem 0;
    font-size: 2rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.ett-header-left p {
    margin: 0;
    opacity: 0.9;
    font-size: 1.1rem;
}

.ett-user-info {
    text-align: right;
}

.ett-user-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.ett-user-wage {
    opacity: 0.9;
    font-size: 0.95rem;
}

.ett-logout-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    margin-top: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.ett-logout-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   MAIN CONTENT LAYOUT
   ========================================================================== */

.ett-main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ==========================================================================
   SUMMARY CARDS
   ========================================================================== */

.ett-summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.ett-summary-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.ett-summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.ett-summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.ett-summary-card h4 {
    margin: 0 0 0.75rem 0;
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ett-summary-card .value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    line-height: 1.2;
}

.ett-card-icon {
    width: 2rem;
    height: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.ett-icon-hours { 
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light)); 
}

.ett-icon-pay { 
    background: linear-gradient(135deg, var(--success-color), var(--success-light)); 
}

.ett-icon-days { 
    background: linear-gradient(135deg, var(--warning-color), var(--warning-light)); 
}

.ett-icon-avg { 
    background: linear-gradient(135deg, #8b5cf6, #a78bfa); 
}

/* ==========================================================================
   DASHBOARD GRID LAYOUT
   ========================================================================== */

.ett-dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.ett-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.ett-card h3 {
    margin: 0 0 1.5rem 0;
    color: var(--gray-900);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-100);
}

.ett-section-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.125rem;
    flex-shrink: 0;
}

/* ==========================================================================
   FORM COMPONENTS
   ========================================================================== */

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

.ett-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ett-form-group label i {
    width: 1rem;
    color: var(--primary-color);
    font-size: 0.875rem;
}

.ett-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.ett-form-group input,
.ett-form-group select,
.ett-form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    transition: var(--transition);
    background: white;
    color: var(--gray-900);
    font-family: inherit;
}

.ett-form-group input:focus,
.ett-form-group select:focus,
.ett-form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.ett-form-group input::placeholder,
.ett-form-group textarea::placeholder {
    color: var(--gray-400);
}

.ett-form-group small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--gray-500);
    line-height: 1.4;
}

.ett-form-group textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

/* ==========================================================================
   TIME TRACKING DISPLAY
   ========================================================================== */

.ett-time-display {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    text-align: center;
    margin: 1.25rem 0;
    position: relative;
    overflow: hidden;
}

.ett-time-display::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: drift 20s infinite linear;
}

@keyframes drift {
    0% { 
        transform: translate(0, 0) rotate(0deg); 
    }
    100% { 
        transform: translate(-20px, -20px) rotate(360deg); 
    }
}

.ett-time-display strong {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
}

.ett-calculated-hours {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    color: white !important;
}

/* ==========================================================================
   BUTTON COMPONENTS
   ========================================================================== */

.ett-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.ett-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ett-btn:hover::before {
    width: 300px;
    height: 300px;
}

.ett-btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.ett-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.ett-btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #b45309);
    color: white;
}

.ett-btn-warning:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.ett-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.ett-btn:disabled::before {
    display: none;
}

.ett-btn-full {
    width: 100%;
}

.ett-btn .fas.fa-spinner {
    animation: spin 1s linear infinite;
}

/* ==========================================================================
   RECENT ENTRIES COMPONENT
   ========================================================================== */

.ett-recent-entries {
    background: white;
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.ett-recent-entries h3 {
    margin: 0 0 1.5rem 0;
    color: var(--gray-900);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-100);
}

.ett-entries-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ett-entry-item {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1rem;
    transition: var(--transition);
    position: relative;
}

.ett-entry-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-color);
    border-radius: var(--radius-sm);
}

.ett-entry-item:hover {
    background: white;
    border-color: var(--primary-color);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.ett-entry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.ett-entry-date {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.95rem;
}

.ett-entry-hours {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-2xl);
    font-size: 0.75rem;
    font-weight: 600;
}

.ett-entry-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.ett-entry-details > div {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: var(--radius-md);
}

.ett-entry-details .fas {
    width: 1rem;
    color: var(--primary-color);
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* ==========================================================================
   STATE COMPONENTS (LOADING, EMPTY, ERROR)
   ========================================================================== */

.ett-loading {
    text-align: center;
    padding: 2rem;
    color: var(--gray-500);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.ett-loading::after {
    content: '';
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { 
        transform: rotate(0deg); 
    }
    100% { 
        transform: rotate(360deg); 
    }
}

.ett-no-data {
    text-align: center;
    padding: 2rem;
    color: var(--gray-500);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--gray-300);
}

.ett-no-data .fas {
    font-size: 2.5rem;
    color: var(--gray-300);
    margin-bottom: 1rem;
}

.ett-no-data h4 {
    margin: 0 0 0.5rem 0;
    color: var(--gray-700);
    font-size: 1.125rem;
    font-weight: 600;
}

.ett-no-data p {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ==========================================================================
   MESSAGE COMPONENTS
   ========================================================================== */

.ett-success {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    border: 1px solid #6ee7b7;
    color: #047857;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.ett-error {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    border: 1px solid #f87171;
    color: #b91c1c;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

/* ==========================================================================
   AUTHENTICATION COMPONENTS
   ========================================================================== */

.ett-login-container {
    max-width: 100%;
    margin: 3rem auto;
    padding: 1rem;
}

.ett-login-form {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.ett-login-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.ett-login-form h2 {
    text-align: center;
    margin: 0 0 2rem 0;
    color: var(--gray-900);
    font-size: 1.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.ett-login-links {
    text-align: center;
    margin-top: 1rem;
}

.ett-login-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition);
}

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

/* ==========================================================================
   FORM VALIDATION STATES
   ========================================================================== */

.ett-form-group.ett-success input,
.ett-form-group.ett-success select,
.ett-form-group.ett-success textarea {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.ett-form-group.ett-error input,
.ett-form-group.ett-error select,
.ett-form-group.ett-error textarea {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.ett-form-group input[type="date"]::-webkit-calendar-picker-indicator,
.ett-form-group input[type="time"]::-webkit-calendar-picker-indicator {
    color: var(--primary-color);
    cursor: pointer;
}

/* ==========================================================================
   INTERACTIVE ENHANCEMENTS
   ========================================================================== */

.ett-summary-card:hover .ett-card-icon {
    transform: scale(1.1);
    transition: var(--transition);
}

.ett-card:hover .ett-section-icon {
    transform: scale(1.05);
    transition: var(--transition);
}

/* ==========================================================================
   SCROLLBAR CUSTOMIZATION
   ========================================================================== */

.ett-recent-entries::-webkit-scrollbar {
    width: 6px;
}

.ett-recent-entries::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
}

.ett-recent-entries::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-xl);
}

.ett-recent-entries::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ==========================================================================
   ANIMATION SYSTEM
   ========================================================================== */

.ett-fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(1rem); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes slideInRight {
    from { 
        transform: translateX(100%); 
        opacity: 0;
    }
    to { 
        transform: translateX(0); 
        opacity: 1;
    }
}

.ett-bounce {
    animation: bounce 0.5s ease-in-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { 
        transform: translateY(0); 
    }
    40% { 
        transform: translateY(-10px); 
    }
    60% { 
        transform: translateY(-5px); 
    }
}

.ett-shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { 
        transform: translateX(0); 
    }
    10%, 30%, 50%, 70%, 90% { 
        transform: translateX(-5px); 
    }
    20%, 40%, 60%, 80% { 
        transform: translateX(5px); 
    }
}

/* ==========================================================================
   SKELETON LOADING
   ========================================================================== */

.ett-skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius);
}

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

.ett-skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.ett-skeleton-text:last-child {
    margin-bottom: 0;
    width: 60%;
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

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

.ett-text-left { 
    text-align: left; 
}

.ett-text-right { 
    text-align: right; 
}

.ett-mb-0 { 
    margin-bottom: 0; 
}

.ett-mb-1 { 
    margin-bottom: 0.25rem; 
}

.ett-mb-2 { 
    margin-bottom: 0.5rem; 
}

.ett-mb-3 { 
    margin-bottom: 0.75rem; 
}

.ett-mb-4 { 
    margin-bottom: 1rem; 
}

.ett-mt-0 { 
    margin-top: 0; 
}

.ett-mt-1 { 
    margin-top: 0.25rem; 
}

.ett-mt-2 { 
    margin-top: 0.5rem; 
}

.ett-mt-3 { 
    margin-top: 0.75rem; 
}

.ett-mt-4 { 
    margin-top: 1rem; 
}

.ett-hidden { 
    display: none; 
}

.ett-block { 
    display: block; 
}

.ett-inline { 
    display: inline; 
}

.ett-inline-block { 
    display: inline-block; 
}

.ett-flex { 
    display: flex; 
}

/* ==========================================================================
   ACCESSIBILITY FEATURES
   ========================================================================== */

.ett-btn:focus,
.ett-form-group input:focus,
.ett-form-group select:focus,
.ett-form-group textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.ett-btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.ett-form-group input:focus-visible,
.ett-form-group select:focus-visible,
.ett-form-group textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: -2px;
}

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

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 768px) {
    .ett-dashboard-header {
        padding: 1.5rem 1rem;
    }
    
    .ett-header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .ett-dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .ett-form-row {
        grid-template-columns: 1fr;
    }
    
    .ett-summary-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ett-entry-details {
        grid-template-columns: 1fr;
    }
    
    .ett-main-content {
        padding: 0 0.5rem;
    }
    
    .ett-card {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .ett-summary-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .ett-dashboard-header h1 {
        font-size: 1.5rem;
    }
    
    .ett-login-form {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .ett-card h3 {
        font-size: 1.125rem;
    }
    
    .ett-summary-card .value {
        font-size: 1.5rem;
    }
    
    .ett-btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.8rem;
    }
}

/* ==========================================================================
   DARK MODE SUPPORT
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    :root {
        --gray-50: #111827;
        --gray-100: #1f2937;
        --gray-200: #374151;
        --gray-300: #4b5563;
        --gray-400: #6b7280;
        --gray-500: #9ca3af;
        --gray-600: #d1d5db;
        --gray-700: #e5e7eb;
        --gray-800: #f3f4f6;
        --gray-900: #f9fafb;
    }
}

/* ==========================================================================
   HIGH CONTRAST MODE SUPPORT
   ========================================================================== */

@media (prefers-contrast: high) {
    .ett-btn {
        border: 2px solid currentColor;
    }
    
    .ett-form-group input,
    .ett-form-group select,
    .ett-form-group textarea {
        border: 2px solid var(--gray-900);
    }
    
    .ett-card {
        border: 2px solid var(--gray-900);
    }
}

/* ==========================================================================
   PROGRESSIVE ENHANCEMENT
   ========================================================================== */

@supports (backdrop-filter: blur(10px)) {
    .ett-dashboard-header {
        backdrop-filter: blur(10px);
    }
}

@supports (display: grid) {
    .ett-legacy-grid {
        display: grid;
    }
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
    .ett-logout-btn,
    .ett-btn,
    .ett-form-actions {
        display: none !important;
    }
    
    .ett-employee-dashboard {
        background: white !important;
        color: black !important;
    }
    
    .ett-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        page-break-inside: avoid;
    }
    
    .ett-dashboard-header {
        background: white !important;
        color: black !important;
        border-bottom: 2px solid #ddd !important;
    }
}