* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Georgia', serif;
}

body {
    background: #f2f4f5;
    color: #222;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    min-height: 100vh;
}

h1 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    text-align: center;
    color: #111;
    letter-spacing: 1px;
}

.container {
    width: 100%;
    max-width: 400px;
    background: #fff;
    padding: 25px;
    border-radius: 16px;
    margin-top: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border: 1px solid #e0e0e0;
}

label {
    font-size: 0.9rem;
    display: block;
    margin-bottom: 6px;
    color: #444;
}

input {
    width: 100%;
    padding: 12px;
    margin-bottom: 16px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 1rem;
    background: #fafafa;
    transition: border 0.3s;
}

input:focus {
    outline: none;
    border-color: #999;
}

.btn {
    width: 100%;
    padding: 14px;
    background: #111;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    color: #fff;
    transition: background 0.3s;
}

.btn:hover {
    background: #333;
}

.result {
    margin-top: 20px;
    padding: 18px;
    background: #fafafa;
    color: #111;
    border-radius: 12px;
    border: 1px solid #ddd;
    text-align: center;
}

.result p {
    margin: 8px 0;
    font-size: 1rem;
}

.advanced-link {
    font-size: 1rem;
    color: #555;
    text-align: center;
    cursor: pointer;
    text-decoration: underline;
}

.advanced-settings {
    display: none;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px dashed #ccc;
}

.error-input {
    border-color: #e74c3c !important;
    background: #fff5f5;
}

.error-message {
    color: #e74c3c;
    font-size: 0.8rem;
    margin-top: -10px;
    margin-bottom: 12px;
}

footer {
    margin-top: auto;
    padding: 15px;
    font-size: 0.8rem;
    color: #555;
    text-align: center;
}

footer a{
    text-decoration: none;
}

.info-link {
    font-size: 1rem;
    color: #555;
    text-align: center;
    cursor: pointer;
    text-decoration: underline;
}

.info-text {
    margin-top: 10px;
    padding: 12px;
    background: #f9f9f9;
    border-radius: 10px;
    border: 1px solid #ddd;
    font-size: 0.9rem;
    line-height: 1.4;
}