* {
    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 60px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    width: 100%;
    padding: 40px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    color: #333;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 1.1rem;
}

.input-section {
    margin-bottom: 30px;
}

label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    margin-top: 15px;
    font-size: 1.1rem;
}

label:first-of-type {
    margin-top: 0;
}

textarea, select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

textarea {
    resize: vertical;
}

textarea:focus, select:focus {
    outline: none;
    border-color: #667eea;
}

button {
    width: 100%;
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.loader {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

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

.status-section {
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.status-message {
    color: #1565c0;
    font-weight: 500;
}

.result-section {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid #e0e0e0;
}

.result-section h2 {
    color: #333;
    margin-bottom: 20px;
}

.video-container {
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}

.video-container video {
    width: 100%;
    display: block;
}

.video-container img {
    width: 100%;
    display: block;
}

.video-info {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #666;
}

.video-info p {
    margin: 5px 0;
}

.error-section {
    background: #ffebee;
    border-left: 4px solid #f44336;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
}

.error-message {
    color: #c62828;
}

footer {
    text-align: center;
    margin-top: 40px;
    color: #999;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 20px;
    }

    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }
}