/* File Sync QR - Web App Styles */
* {
    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;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    max-width: 450px;
    width: 100%;
    text-align: center;
}

.header {
    margin-bottom: 30px;
}

.title {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 16px;
    color: #666;
    font-weight: 500;
}

.qr-container {
    margin: 30px 0;
    padding: 30px;
    border: 2px dashed #e0e0e0;
    border-radius: 15px;
    background: #fafafa;
    transition: all 0.3s ease;
}

.qr-container:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.qr-code {
    max-width: 220px;
    max-height: 220px;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.qr-code:hover {
    transform: scale(1.05);
}

.status {
    padding: 15px 20px;
    border-radius: 12px;
    margin: 20px 0;
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.status.generating {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    color: #1565c0;
    border: 2px solid #2196f3;
}

.status.ready {
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9);
    color: #2e7d32;
    border: 2px solid #4caf50;
}

.status.connected {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
    color: #f57c00;
    border: 2px solid #ff9800;
}

.status.error {
    background: linear-gradient(135deg, #ffebee, #ffcdd2);
    color: #d32f2f;
    border: 2px solid #f44336;
}

.instructions {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    margin: 25px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.button-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 30px 0;
}

.btn {
    padding: 15px 25px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

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

.btn-secondary {
    background: #f8f9fa;
    color: #495057;
    border: 2px solid #dee2e6;
}

.btn-secondary:hover {
    background: #e9ecef;
    border-color: #adb5bd;
    transform: translateY(-1px);
}

.footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
}

.footer p {
    color: #6c757d;
    font-size: 14px;
    font-style: italic;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(29, 78, 216, 0.3);
    border-top: 3px solid #1d4ed8;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

/* Responsive design */
@media (max-width: 480px) {
    .container {
        padding: 30px 20px;
        margin: 10px;
    }
    
    .title {
        font-size: 24px;
    }
    
    .subtitle {
        font-size: 14px;
    }
    
    .qr-container {
        padding: 20px;
    }
    
    .qr-code {
        max-width: 180px;
        max-height: 180px;
    }
    
    .instructions {
        font-size: 13px;
        padding: 15px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
}

/* Animation for QR code appearance */
.qr-code.show {
    animation: fadeInScale 0.6s ease-out;
}

@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Pulse animation for status */
.status.generating {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1);
    }
}