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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Monospace, sans-serif;
    background: #ffffff;
    color: #000000;
    line-height: 1.6;
    font-size: 14px;
}

header {
    border-bottom: 1px solid #000000;
    padding: 20px 0;
    margin-bottom: 30px;
}

.container {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 20px;
}

h1 {
    font-size: 18px;
    font-weight: normal;
    margin-bottom: 10px;
}

h2 {
    font-size: 16px;
    font-weight: normal;
    margin: 30px 0 15px 0;
    border-bottom: 1px solid #000000;
    padding-bottom: 5px;
}

a {
    color: #000000;
    text-decoration: underline;
    cursor: pointer;
}

a:hover {
    background: #f0f0f0;
}

ul, ol {
    margin-left: 20px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 8px;
}

code {
    background: #f5f5f5;
    padding: 2px 5px;
    font-family: "SF Mono", Monaco, "Cascadia Code", Menlo, monospace;
    font-size: 13px;
}

.meta {
    color: #666666;
    font-size: 12px;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #cccccc;
}

footer {
    margin-top: 50px;
    padding: 20px 0;
    border-top: 1px solid #000000;
    text-align: center;
    color: #666666;
    font-size: 12px;
}

input[type="text"], input[type="url"] {
    font-family: inherit;
    font-size: 14px;
    padding: 8px;
    border: 1px solid #000000;
    background: #ffffff;
    width: 100%;
    margin-bottom: 15px;
}

input[type="text"]:focus, input[type="url"]:focus {
    outline: 2px solid #000000;
    outline-offset: 2px;
}

button {
    font-family: inherit;
    font-size: 14px;
    padding: 8px 16px;
    border: 1px solid #000000;
    background: #ffffff;
    cursor: pointer;
    margin-right: 10px;
}

button:hover {
    background: #f0f0f0;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.status {
    padding: 8px;
    border: 1px solid #000000;
    margin-bottom: 15px;
}

.status-pending { background: #f5f5f5; }
.status-processing { background: #ffffcc; }
.status-completed { background: #ccffcc; }
.status-failed { background: #ffcccc; }

.result-box {
    background: #f5f5f5;
    border: 1px solid #000000;
    padding: 15px;
    margin-top: 15px;
    font-family: "SF Mono", Monaco, monospace;
    font-size: 13px;
}

.error-box {
    background: #ffcccc;
    border: 1px solid #cc0000;
    padding: 15px;
    margin-top: 15px;
}

.link-item {
    border: 1px solid #000000;
    padding: 15px;
    margin-bottom: 15px;
}

.link-item:hover {
    background: #f9f9f9;
}

.link-meta {
    color: #666666;
    font-size: 12px;
    margin-top: 8px;
}