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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f5f7fa;
    color: #333;
    min-height: 100vh;
    line-height: 1.5;
}

a { text-decoration: none; color: inherit; }

.btn-primary {
    display: inline-block;
    padding: 10px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    display: inline-block;
    padding: 12px 32px;
    background: #f0f0f0;
    color: #333;
    border-radius: 8px;
    font-weight: 600;
    transition: background 0.2s;
}
.btn-secondary:hover { background: #e0e0e0; }

.error-message {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.photo-placeholder { font-size: 80px; opacity: 0.3; }
.photo-placeholder-large { font-size: 150px; opacity: 0.3; }