body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.card {
    transition: transform 0.2s;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

.btn {
    border-radius: 0.375rem;
}

.table {
    background-color: white;
    border-radius: 0.375rem;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.alert {
    border-radius: 0.375rem;
}

/* 조명 제어 버튼 스타일 */
.btn-light {
    background-color: #f39c12;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    margin-right: 5px;
}

.btn-light:hover {
    background-color: #e67e22;
}

.btn-light-off {
    background-color: #95a5a6;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    margin-right: 5px;
}

.btn-light-off:hover {
    background-color: #7f8c8d;
}

.btn-light-schedule {
    background-color: #9b59b6;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    margin-right: 5px;
}

.btn-light-schedule:hover {
    background-color: #8e44ad;
}

.modal-content {
    border-radius: 0.5rem;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.modal-header {
    border-bottom: 1px solid #dee2e6;
    background-color: #f8f9fa;
}

/* Vital Signs 페이지 스타일 */
.latest-section {
    margin: 20px 0;
}

.latest-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.latest-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
    border-left: 4px solid #007bff;
}

.latest-card.blood-pressure {
    border-left-color: #dc3545;
}

.latest-card.heart-rate {
    border-left-color: #ffc107;
}

.latest-card.temperature {
    border-left-color: #17a2b8;
}

.latest-card.oxygen-saturation {
    border-left-color: #6f42c1;
}

.latest-card h4 {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 14px;
}

.latest-card .value {
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
    margin: 5px 0;
}

.latest-card .unit {
    font-size: 12px;
    color: #666;
}

.latest-card .time {
    font-size: 12px;
    color: #999;
    margin-top: 10px;
}

/* 탭 스타일 */
.tabs-section {
    margin: 20px 0;
}

.tab-buttons {
    display: flex;
    border-bottom: 2px solid #dee2e6;
    margin-bottom: 20px;
}

.tab-button {
    background: none;
    border: none;
    padding: 12px 24px;
    cursor: pointer;
    font-size: 16px;
    color: #666;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.tab-button:hover {
    color: #007bff;
    background-color: #f8f9fa;
}

.tab-button.active {
    color: #007bff;
    border-bottom-color: #007bff;
    font-weight: bold;
}

.tab-content {
    display: none;
}

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

.chart-container {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: 20px 0;
}

.data-section {
    margin: 20px 0;
}

.table-container {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.table {
    margin: 0;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #495057;
    border: none;
    padding: 12px;
}

.table td {
    padding: 12px;
    border-top: 1px solid #dee2e6;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    background-color: #f8f9fa;
}

.loading {
    display: none;
    text-align: center;
    padding: 20px;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

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

.vital-sign-card {
    background: white;
    border-radius: 0.375rem;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.vital-sign-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: #007bff;
}

.vital-sign-label {
    font-size: 0.875rem;
    color: #6c757d;
    margin-top: 0.25rem;
}

.meal-type-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

.status-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

/* 생체 신호 관련 스타일 */
.chart-container {
    position: relative;
    height: 400px;
    margin: 1rem 0;
    background: white;
    border-radius: 0.375rem;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.chart-section {
    margin: 2rem 0;
}

.data-section {
    margin: 2rem 0;
}

.table-container {
    background: white;
    border-radius: 0.375rem;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-section {
    background: white;
    border-radius: 0.375rem;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row .form-group {
    flex: 1;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #495057;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

.btn {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
}

.btn:hover {
    background-color: #0056b3;
}

.btn:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .chart-container {
        height: 300px;
    }
}

/* No data card styling */
.latest-card.no-data {
    border-left-color: #6c757d;
    background-color: #f8f9fa;
}

.latest-card.no-data h4 {
    color: #6c757d;
}

.latest-card.no-data .value {
    color: #6c757d;
    font-style: italic;
}