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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
    padding: 20px;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
}

.timecard-wrapper {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 30px;
    margin-bottom: 20px;
}

.employee-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e5e7eb;
}

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

.info-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #374151;
    font-size: 0.9rem;
}

.info-group input {
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.info-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.timecard-table {
    overflow-x: auto;
    margin-bottom: 30px;
}

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

thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

thead th {
    padding: 15px 10px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tbody tr {
    border-bottom: 1px solid #e5e7eb;
    transition: background-color 0.2s ease;
}

tbody tr:hover {
    background-color: #f9fafb;
}

tbody td {
    padding: 12px 10px;
}

.day-cell {
    font-weight: 600;
    color: #374151;
}

.date-cell {
    color: #6b7280;
    font-size: 0.9rem;
}

.time-input, .break-input {
    padding: 8px 10px;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    font-size: 0.95rem;
    width: 100%;
    transition: all 0.3s ease;
}

.time-input:focus, .break-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.daily-total {
    font-weight: 700;
    color: #667eea;
    font-size: 1.05rem;
}

.totals-row {
    background: #f9fafb;
    font-weight: 700;
}

.total-label {
    text-align: right;
    padding: 15px 10px;
    font-size: 1.1rem;
    color: #374151;
}

.total-hours {
    color: #667eea;
    font-size: 1.3rem;
    padding: 15px 10px;
}

.settings-section, .summary-section {
    margin-bottom: 30px;
    padding: 25px;
    background: #f9fafb;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.settings-section h3, .summary-section h3 {
    color: #374151;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.setting-item {
    display: flex;
    flex-direction: column;
}

.setting-item label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #374151;
    font-size: 0.9rem;
}

.setting-item input[type="number"] {
    padding: 10px;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.setting-item input[type="number"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.checkbox-item {
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.checkbox-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: #667eea;
}

.checkbox-item label {
    margin-bottom: 0;
    cursor: pointer;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
}

.summary-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.summary-label {
    font-size: 0.85rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    font-weight: 600;
}

.summary-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #667eea;
}

.total-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.total-card .summary-label,
.total-card .summary-value {
    color: white;
}

.action-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-tertiary {
    background: #10b981;
    color: white;
}

.footer {
    text-align: center;
    color: white;
    padding: 20px;
    opacity: 0.9;
    font-size: 0.9rem;
}

/* Print Styles */
@media print {
    body {
        background: white;
        padding: 0;
    }
    
    .header {
        color: #374151;
    }
    
    .action-buttons,
    .footer {
        display: none;
    }
    
    .timecard-wrapper {
        box-shadow: none;
        padding: 20px;
    }
    
    thead {
        background: #667eea !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .timecard-wrapper {
        padding: 20px;
    }
    
    .employee-info {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 0.85rem;
    }
    
    thead th,
    tbody td {
        padding: 8px 5px;
    }
    
    .summary-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}