/* styles.css - Modern, clean design */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    color: #2c3e50;
    font-size: 2.4em;
    margin-bottom: 10px;
}

h2 {
    color: #34495e;
    font-size: 1.6em;
    margin: 30px 0 15px;
}

.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    padding: 30px;
    margin-bottom: 30px;
}

input[type="text"], 
button {
    padding: 12px 16px;
    font-size: 1em;
    border-radius: 8px;
    border: 1px solid #ddd;
    width: 100%;
    margin-bottom: 12px;
}

input[type="text"]:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

button {
    background-color: #3498db;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    border: none;
}

button:hover {
    background-color: #2980b9;
}

button.secondary {
    background-color: #95a5a6;
}

button.secondary:hover {
    background-color: #7f8c8d;
}

.option-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.option-row input {
    flex: 1;
}

#options-container .option-row:last-child input {
    margin-bottom: 0;
}

.radio-option {
    display: block;
    padding: 14px;
    background: #f8fafc;
    border: 2px solid #e0e6ed;
    border-radius: 10px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.radio-option:hover {
    background: #eef2f7;
    border-color: #3498db;
}

.radio-option input[type="radio"] {
    margin-right: 12px;
    transform: scale(1.2);
}

#results {
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
}

#results li {
    padding: 12px;
    background: #f0f4f8;
    border-radius: 8px;
    margin-bottom: 8px;
    font-weight: 500;
}

.share-url {
    background: #e8f4fd;
    padding: 15px;
    border-radius: 8px;
    word-break: break-all;
    font-family: monospace;
    font-size: 1.1em;
    color: #2980b9;
    margin-top: 20px;
    border: 1px solid #bbd9f0;
}

footer {
    text-align: center;
    margin-top: 60px;
    color: #7f8c8d;
    font-size: 0.9em;
}

@media (max-width: 600px) {
    .container { padding: 0 15px; }
    .card { padding: 20px; }
    h1 { font-size: 2em; }
}


.ad-card {
    background: #f9f9f9;
    border: 1px solid #eee;
}
.ad-card::before {
    content: "Advertisement";
    display: block;
    font-size: 0.8em;
    color: #999;
    margin-bottom: 10px;
}