/* CSS chung cho các trang lỗi và thông báo */
body { 
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
    text-align: center; 
    padding: 50px; 
    background: 
        linear-gradient(135deg, rgba(106, 156, 137, 0.1) 0%, rgba(79, 172, 254, 0.1) 100%),
        radial-gradient(circle at 20% 50%, rgba(120, 158, 116, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(150, 206, 180, 0.2) 0%, transparent 50%),
        linear-gradient(180deg, #f8fffe 0%, #e8f4f8 100%);
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(106, 156, 137, 0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(79, 172, 254, 0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(120, 158, 116, 0.1)"/><circle cx="60" cy="60" r="1.2" fill="rgba(150, 206, 180, 0.1)"/></svg>');
    background-size: 100px 100px;
    pointer-events: none;
    z-index: -1;
}

.error-container { 
    max-width: 600px; 
    background: rgba(255, 255, 255, 0.95);
    padding: 50px;
    border-radius: 24px;
    box-shadow: 
        0 32px 64px rgba(0, 0, 0, 0.1),
        0 8px 16px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.8s ease-out;
}

.multi-select-container {
    max-width: 800px;
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 
        0 32px 64px rgba(0, 0, 0, 0.1),
        0 8px 16px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.error-image { 
    width: 280px; 
    height: auto; 
    margin: 20px 0; 
    border-radius: 15px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #2d5a87;
    font-size: 2.2em;
    margin-bottom: 20px;
    font-weight: 600;
}

h3 {
    color: #2d5a87;
    font-size: 1.8em;
    margin-bottom: 15px;
    font-weight: 600;
}

p {
    color: #6a9c89;
    font-size: 1.1em;
    line-height: 1.6;
    font-weight: 400;
    margin-bottom: 15px;
}

strong {
    color: #1e3a5f;
}

/* Danh sách bác sĩ trong trường hợp nhiều kết quả */
.doctors-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.doctor-card-simple {
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.doctor-card-simple:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    color: inherit;
}

.doctor-info h4 {
    color: #2d5a87;
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.doctor-info p {
    color: #6a9c89;
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.doctor-info small {
    color: #999;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 20px;
    }
    
    .error-container,
    .multi-select-container {
        padding: 30px 20px;
        margin: 10px;
    }
    
    h1, h2 {
        font-size: 1.8em;
    }
    
    .doctors-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .error-image {
        width: 200px;
    }
}