/* ===== Body and headings ===== */
body {
    background: #f5f5f5;
    color: #000;
    font-family: Arial, sans-serif;
    padding: 20px;
    margin: 0;
}

h1 {
    text-align: center;
    color: #005500;
    font-size: 1.8em;
    margin-top: 0;
}

/* ===== Top buttons ===== */
.top-buttons {
    text-align: center;
    margin: 10px 0;
}

.btn {
    padding: 4px 10px;
    margin: 0 5px;
    cursor: pointer;
    border: 2px outset #ccc;
    background: #eee;
    color: #000;
    font-size: 0.9em;
}

.btn:hover {
    background: #ddd;
}

/* ===== Info box ===== */
#infoBox {
    display: none;
    background: #fff;
    border: 1px solid #ccc;
    padding: 10px;
    margin: 10px auto;
    max-width: 900px;
    font-size: 0.9em;
    line-height: 1.4em;
}

/* ===== Table ===== */
table {
    width: 100%;
    border-collapse: collapse;
    max-width: 900px;
    margin: 10px auto;
}

th, td {
    border: 1px solid #aaa;
    padding: 6px 10px;
    text-align: left;
}

th {
    background: #ddd;
    font-weight: bold;
}

.subdomain td:first-child {
    padding-left: 20px;
}

/* ===== Status colors ===== */
.online { color: green; }
.offline { color: red; }
.checking { color: orange; }

/* ===== Refresh button ===== */
#refreshBtn {
    float: right;
    cursor: pointer;
    padding: 2px 6px;
    border: 2px outset #ccc;
    background: #eee;
    color: #000;
    font-size: 0.85em;
    position: relative;
}

#refreshBtn:hover { background: #ddd; }

/* disabled overlay pattern for refresh button */
#refreshBtn.disabled::after {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: repeating-conic-gradient(black 0% 25%, transparent 0% 50%) 50%/10px 10px;
    pointer-events: none;
}

/* ===== Advanced mode overlay ===== */
#advBackdrop {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 900;
}

#advOverlay {
    display: none;
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 600px;
    background: #fff;
    color: #000;
    border: 1px solid #ccc;
    padding: 10px;
    font-size: 0.9em;
    z-index: 1000;
}

#advOverlay h2 {
    margin-top: 0;
    font-size: 1.2em;
}

#advOverlay button {
    float: right;
    cursor: pointer;
    padding: 2px 6px;
    border: 2px outset #ccc;
    background: #eee;
    color: #000;
}

#advOverlay button:hover { background: #ddd; }

/* ===== Footer ===== */
footer {
    text-align: center;
    margin-top: 2em;
    font-size: 0.8em;
    color: #666;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

footer a {
    color: #005500;
    text-decoration: none;
}

footer a:hover { text-decoration: underline; }