* {
    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;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 700;
}

header p {
    font-size: 1.1em;
    opacity: 0.9;
}

main {
    padding: 40px 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #888;
    font-size: 0.9em;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.btn-primary {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 10px;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    background: #f0f0f0;
    color: #333;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.result-container {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 2px solid #e0e0e0;
}

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

.video-wrapper {
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

.video-actions {
    text-align: center;
}

.error-container {
    margin-top: 20px;
    padding: 15px;
    background: #fee;
    border: 2px solid #fcc;
    border-radius: 8px;
    color: #c33;
}

.error-container p {
    margin: 0;
}

/* File Upload Styles */
.file-upload-wrapper {
    position: relative;
    margin-bottom: 10px;
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.file-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 15px;
    border: 2px dashed #e0e0e0;
    border-radius: 8px;
    background: #fafafa;
    cursor: pointer;
    transition: all 0.3s;
    min-height: 50px;
}

.file-upload-label:hover {
    border-color: #667eea;
    background: #f0f4ff;
}

.file-upload-text {
    color: #666;
    font-size: 16px;
}

.file-upload-icon {
    font-size: 20px;
}

.file-upload-wrapper input[type="file"]:focus + .file-upload-label {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.file-upload-wrapper input[type="file"]:valid + .file-upload-label .file-upload-text {
    color: #667eea;
    font-weight: 600;
}

/* Image Preview Styles */
.image-preview {
    position: relative;
    margin-top: 15px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid #e0e0e0;
    background: #fafafa;
}

.image-preview img {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    display: block;
}

.remove-image-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid #e0e0e0;
    color: #c33;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.remove-image-btn:hover {
    background: #fee;
    border-color: #fcc;
    transform: scale(1.1);
}