:root {
    --bg: #0f1724;
    --card: #0b1220;
    --muted: #98a2b3;
    --accent: #7dd3fc;
    --ok: #22c55e;
    --bad: #ef4444;
    --pill-bg: rgba(255, 255, 255, 0.03);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

/* global box sizing to avoid width overflow */
* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: var(--bg);
    color: #e6eef6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app {
    display: grid;
    grid-template-columns: 300px 1fr;
    height: 100vh;
    gap: 10px;
    padding: 10px;
}

/* Sidebar */
.sidebar {
    background: var(--card);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow: hidden;
    /* avoid inner horizontal scroll */
}

.server-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 40vh;
    overflow: auto;
    padding-right: 6px;
}

/* individual server item */
.server-item {
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: space-between;
    background: var(--pill-bg);
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 13px;
    min-width: 0;
    /* critical to prevent overflow */
}

.server-left {
    display: flex;
    gap: 8px;
    align-items: center;
    min-width: 0;
    overflow: hidden;
}

.server-left .url {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* action group */
.server-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

/* checkbox visual tuning */
.server-item input[type="checkbox"] {
    transform: scale(1.05);
    margin: 0;
    accent-color: var(--accent);
}

/* main area */
.main {
    background: var(--card);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* controls */
.controls {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px;
}

.search-input {
    flex: 1;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 8px;
    border-radius: 6px;
    color: inherit;
    font-size: 13px;
}

.controls-right {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* result area */
.scrollable {
    flex: 1;
    overflow: auto;
    max-width: 100%;
}

/* avoid table overflow - allow horizontal scrolling only inside wrapper */
.table-wrap {
    width: 100%;
    overflow: auto;
}

/* table styles */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 600px;
    /* prevents very squished layout but keeps horizontal scroll in wrapper */
}

th,
td {
    padding: 6px 8px;
    text-align: left;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.03);
}

/* small UI bits */
.note {
    padding: 8px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
    margin-bottom: 6px;
    font-size: 13px;
}

.result-header {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 10px;
    align-items: center;
    font-size: 13px;
}

.result-pillar {
    background: var(--pill-bg);
    padding: 8px;
    border-radius: 8px;
    min-width: 160px;
    max-width: 40%;
    word-break: break-word;
}

.pill-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

/* domain pill */
.domain-pill {
    background: rgba(255, 255, 255, 0.02);
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 13px;
}

/* ipv boxes */
.ip-box {
    background: rgba(255, 255, 255, 0.02);
    padding: 8px;
    border-radius: 8px;
    min-width: 180px;
    font-family: monospace;
}

/* signature short */
.sig-short {
    cursor: pointer;
    text-decoration: underline;
    color: var(--accent);
}

/* status */
.status-ok {
    color: var(--ok);
    font-weight: 600;
}

.status-bad {
    color: var(--bad);
    font-weight: 600;
}

/* modal */
.modal-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.modal-content {
    background: var(--card);
    padding: 12px;
    border-radius: 8px;
    max-width: 90%;
    max-height: 80%;
    overflow: auto;
    white-space: pre-wrap;
    font-family: monospace;
    font-size: 13px;
}

/* buttons */
button {
    padding: 7px 10px;
    border-radius: 6px;
    border: none;
    background: var(--accent);
    color: #022;
    font-size: 13px;
    cursor: pointer;
}

button.small {
    padding: 5px 8px;
    font-size: 12px;
}

.link {
    color: var(--accent);
    cursor: pointer;
    text-decoration: underline;
}

/* responsive adjustments */
@media (max-width:900px) {
    .app {
        grid-template-columns: 1fr;
        grid-auto-rows: auto 1fr;
    }

    .sidebar {
        max-height: 200px;
        overflow: auto;
    }
}