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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

/* Header */
.header {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #ff6b6b, #090a0a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: #515eef;
    background-clip: text;
}

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

/* Generator */
.generator {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Section */
.section {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.section:last-of-type {
    border-bottom: none;
}

.section h2 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #4ecdc4;
}

/* Form Groups */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #ccc;
    font-weight: 500;
}

.form-group select {
    width: 100%;
    padding: 12px;
    background: #0a0a0a;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-group select option {
    background: #0a0a0a;
    color: #fff;
}

.form-group select:hover {
    border-color: #4ecdc4;
}

.form-group select:focus {
    outline: none;
    border-color: #4ecdc4;
    box-shadow: 0 0 10px rgba(78, 205, 196, 0.3);
}

/* Checkbox Groups */
.checkbox-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.checkbox-group label:hover {
    background: rgba(78, 205, 196, 0.1);
}

.checkbox-group input[type="checkbox"] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Generate Section */
.generate-section {
    display: flex;
    gap: 15px;
    margin: 30px 0;
}

.generate-btn, .randomize-btn {
    flex: 1;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: bold;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.generate-btn {
    background: linear-gradient(45deg, #ff6b6b, #ff8e53);
    color: white;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 107, 107, 0.3);
}

.randomize-btn {
    background: linear-gradient(45deg, #4ecdc4, #44a08d);
    color: white;
}

.randomize-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(78, 205, 196, 0.3);
}

/* Output Section */
.output-section {
    margin-top: 30px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.output-section h2 {
    margin-bottom: 15px;
    color: #4ecdc4;
}

.output-box {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 15px;
    min-height: 100px;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.output-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    flex: 1;
    padding: 12px;
    background: rgba(78, 205, 196, 0.2);
    border: 1px solid #4ecdc4;
    color: #4ecdc4;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: #4ecdc4;
    color: #1a1a2e;
}

.copy-feedback {
    text-align: center;
    margin-top: 10px;
    padding: 10px;
    border-radius: 5px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.copy-feedback.show {
    opacity: 1;
}

.copy-feedback.success {
    background: rgba(78, 205, 196, 0.2);
    color: #4ecdc4;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    color: #666;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .generate-section {
        flex-direction: column;
    }
    
    .generator {
        padding: 20px;
    }
}