/* Placeholder Images CSS */
.placeholder-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 18px;
    text-align: center;
}

.hero-placeholder {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.8), rgba(231, 76, 60, 0.6)), 
                linear-gradient(45deg, #f0f2f5, #e8eaf6);
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    background-size: 100px 100px;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.doctor-placeholder {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2c3e50;
    font-weight: bold;
    font-size: 16px;
    position: relative;
    overflow: hidden;
}

.doctor-placeholder::before {
    content: '👩‍⚕️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 60px;
    opacity: 0.3;
}

.about-placeholder {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2c3e50;
    font-weight: bold;
    font-size: 18px;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.about-placeholder::before {
    content: '🏥';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 80px;
    opacity: 0.2;
}

/* Loading Animation */
.loading-placeholder {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 2s infinite;
}

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