* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    padding: 1rem;
}

.header-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge {
    background-color: #e3f2fd;
    color: #1976d2;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: bold;
}

#langSwitch {
    padding: 0.3rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    font-size: 0.9rem;
    cursor: pointer;
}

.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
}

.card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 500px;
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.card p {
    color: #666;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.input-group {
    margin-bottom: 1.2rem;
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: #444;
}

input[type="url"], select {
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    width: 100%;
    transition: border-color 0.2s;
}

input[type="url"]:focus, select:focus {
    outline: none;
    border-color: #1976d2;
}

button {
    background-color: #1976d2;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-weight: 600;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #1565c0;
}

button:disabled {
    background-color: #90caf9;
    cursor: not-allowed;
}

.hidden {
    display: none !important;
}

#statusMessage {
    margin-top: 1rem;
    padding: 0.8rem;
    border-radius: 4px;
    font-size: 0.9rem;
    text-align: center;
}

.status-loading {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.status-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.status-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}