#neon-converter-container {
    max-width: 700px;
    margin: 20px auto;
    padding: 30px;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1a3e 100%);
    color: #fff;
    border-radius: 12px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    border: 2px solid #00ffff;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.neon-converter-wrap h2 {
    color: #00ffff;
    text-shadow: 0 0 10px #00ffff, 0 0 20px #00ffff;
    font-size: 28px;
    margin-bottom: 5px;
}

.neon-subtitle {
    color: #aaa;
    font-size: 14px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #00ffff;
}

.file-upload-area {
    position: relative;
    border: 2px dashed #00ffff;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: rgba(0, 255, 255, 0.05);
}

.file-upload-area:hover {
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
}

#neon-image-upload {
    display: none;
}

.upload-hint {
    color: #888;
    font-size: 14px;
}

.neon-color-options {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 15px;
}

.neon-color-item {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.3s;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
}

.neon-color-item:hover {
    transform: scale(1.15);
    box-shadow: 0 0 15px currentColor;
}

.neon-color-item.selected {
    border: 4px solid #fff;
    box-shadow: 0 0 20px currentColor, inset 0 0 10px rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.color-name {
    font-size: 11px;
    color: #000;
    font-weight: bold;
    text-transform: uppercase;
}

.neon-color-hint {
    font-size: 12px;
    color: #888;
    margin-top: 8px;
}

#selected-colors-display {
    padding: 10px;
    background: rgba(0, 255, 0, 0.1);
    border-left: 3px solid #00ff00;
    border-radius: 4px;
}

#neon-generate-btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(135deg, #00ffff, #00ff88);
    color: #000;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#neon-generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 255, 255, 0.4);
}

#neon-generate-btn:disabled {
    background: #444;
    cursor: not-allowed;
    opacity: 0.5;
}

/* Loading Spinner */
#neon-loading-container {
    text-align: center;
    padding: 40px 0;
}

.spinner {
    border: 4px solid rgba(0, 255, 255, 0.3);
    border-top: 4px solid #00ffff;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

#loading-text {
    color: #aaa;
    font-size: 14px;
}

/* Preview */
.neon-preview-image {
    margin: 20px 0;
    border: 2px solid #00ffff;
    padding: 15px;
    background: #000;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

#neon-preview-img {
    max-width: 100%;
    display: block;
    margin: 0 auto;
    border-radius: 4px;
}

.neon-preview-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.neon-preview-actions button {
    flex: 1;
    min-width: 120px;
    padding: 12px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

#neon-save-btn {
    background: #ff8000;
    color: #fff;
}

#neon-save-btn:hover {
    background: #ff9020;
    box-shadow: 0 0 10px rgba(255, 128, 0, 0.4);
}

#neon-send-btn {
    background: linear-gradient(135deg, #00ffff, #00ff88);
    color: #000;
    font-weight: 700;
}

#neon-send-btn:hover {
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.4);
}

#neon-regenerate-btn {
    background: #555;
    color: #fff;
}

#neon-regenerate-btn:hover {
    background: #666;
}

/* Status Messages */
.neon-status-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.neon-status-message.success {
    display: block;
    background: rgba(0, 255, 0, 0.2);
    color: #00ff00;
    border-left: 4px solid #00ff00;
}

.neon-status-message.error {
    display: block;
    background: rgba(255, 0, 0, 0.2);
    color: #ff6666;
    border-left: 4px solid #ff0000;
}

.neon-status-message.info {
    display: block;
    background: rgba(0, 255, 255, 0.2);
    color: #00ffff;
    border-left: 4px solid #00ffff;
}