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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.tabs {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    border-bottom: 2px solid #eee;
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    color: #666;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.tab-btn.active {
    color: #667eea;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #667eea;
}

.form {
    display: none;
}

.form.active {
    display: block;
}

.form h2 {
    text-align: center;
    color: #333;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus {
    outline: none;
    border-color: #667eea;
}

.submit-btn {
    width: 100%;
    padding: 0.8rem;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.submit-btn:hover {
    background: #5a6fd6;
}

.message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 2rem;
    border-radius: 6px;
    color: white;
    font-size: 0.9rem;
    transform: translateX(150%);
    transition: transform 0.3s ease;
}

.message.show {
    transform: translateX(0);
}

.message.success {
    background: #48bb78;
}

.message.error {
    background: #f56565;
}

.user-info {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.user-info p {
    margin: 0.5rem 0;
    color: #333;
    font-size: 0.9rem;
}

.tab-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.logout-btn {
    background: #764ba2;
}

.logout-btn:hover {
    background: #6a3f96;
}

@media (max-width: 480px) {
    .container {
        padding: 1.5rem;
    }
    
    .tab-btn {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
}

.bot-list {
    margin-top: 1rem;
}

.bot-item {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bot-info {
    flex: 1;
}

.bot-info p {
    margin: 0.3rem 0;
    color: #333;
}

.bot-info .secret {
    color: #666;
    font-family: monospace;
}

.delete-btn {
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
    margin-left: 1rem;
}

.delete-btn:hover {
    background: #c82333;
}

.empty-list {
    text-align: center;
    color: #666;
    padding: 2rem 0;
}