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

body {
    font-family: 'Noto Sans', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.hidden {
    display: none !important;
}

/* Auth Styles */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    backdrop-filter: blur(10px);
}

.auth-form h1 {
    text-align: center;
    color: #667eea;
    margin-bottom: 30px;
    font-size: 2.5em;
    font-weight: bold;
}

.form-container h2 {
    text-align: center;
    margin-bottom: 25px;
    color: #333;
    font-size: 1.5em;
}

.form-container input {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
    background: #f8f9fa;
}

.form-container input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-container button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.form-container button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.form-container button:active {
    transform: translateY(0);
}

.form-container p {
    text-align: center;
    margin-top: 25px;
    color: #666;
}

.form-container a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.form-container a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Loading and Error States */
.form-container button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-container .error-message {
    background: #ffebee;
    color: #c62828;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    border-left: 4px solid #f44336;
    font-size: 14px;
}

.form-container .success-message {
    background: #e8f5e8;
    color: #2e7d32;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    border-left: 4px solid #4caf50;
    font-size: 14px;
}

/* Connection Error Styles */
.connection-error {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #f44336;
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
    z-index: 1000;
    max-width: 350px;
    animation: slideIn 0.3s ease-out;
}

.connection-error strong {
    display: block;
    margin-bottom: 5px;
}

.connection-error small {
    opacity: 0.9;
    font-size: 12px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 480px) {
    .auth-container {
        padding: 10px;
    }
    
    .auth-form {
        padding: 30px 20px;
    }
    
    .auth-form h1 {
        font-size: 2em;
    }
    
    .form-container h2 {
        font-size: 1.3em;
    }
    
    .form-container input,
    .form-container button {
        padding: 12px;
        font-size: 14px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .auth-form {
        background: rgba(255, 255, 255, 0.95);
    }
}