:root {
    --bg: #f4f6fb;
    --bg-card: #ffffff;
    --text: #15192b;
    --muted: #667085;
    --line: #e4e7ee;
    --accent: #2f6df6;
    --accent-soft: #e8efff;
    --ok: #1a8f4d;
    --warn: #c2410c;
    --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    --radius: 14px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f1220;
        --bg-card: #171b2e;
        --text: #e8eaf2;
        --muted: #8b93a7;
        --line: #262b42;
        --accent: #6f9bff;
        --accent-soft: #1d2745;
        --ok: #3ddc84;
        --warn: #ff9a5c;
    }
}

* { box-sizing: border-box; }

html { color-scheme: light dark; }

body {
    margin: 0;
    font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

/* Hero */
.hero { text-align: center; margin-bottom: 36px; }

.eyebrow {
    margin: 0 0 6px;
    color: var(--muted);
    font-size: 14px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.ip {
    margin: 0;
    font-family: var(--mono);
    font-size: clamp(30px, 7vw, 64px);
    font-weight: 700;
    letter-spacing: -.02em;
    word-break: break-all;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 14px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 14px;
    font-weight: 500;
}

.badge.muted { background: var(--bg-card); color: var(--muted); border: 1px solid var(--line); }

.copy {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--bg-card);
    color: var(--text);
    font: inherit;
    font-size: 14px;
    cursor: pointer;
}

.copy:hover { border-color: var(--accent); color: var(--accent); }

.lookup {
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 460px;
    margin: 24px auto 0;
    padding: 6px 6px 6px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--bg-card);
    color: var(--muted);
}

.lookup input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    color: var(--text);
    font: inherit;
    outline: none;
}

.lookup button {
    border: 0;
    border-radius: 999px;
    padding: 8px 16px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.back { margin-top: 20px; font-size: 15px; }

.notice {
    padding: 12px 16px;
    margin-bottom: 20px;
    border-radius: var(--radius);
    background: #fff4e5;
    color: #7a3e00;
}

/* Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 18px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px 22px;
}

.card.wide { margin-top: 18px; }

.card h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
    font-size: 16px;
    font-weight: 600;
}

.card h2 .bi { color: var(--accent); }

dl {
    display: grid;
    grid-template-columns: minmax(120px, 40%) 1fr;
    gap: 8px 14px;
    margin: 0;
}

dt { color: var(--muted); font-size: 14px; }
dd { margin: 0; overflow-wrap: anywhere; }

.mono { font-family: var(--mono); font-size: 14px; }
.small { font-size: 13px; }
.dim { color: var(--muted); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.flag { font-size: 1.15em; line-height: 1; }

.hint { margin: 14px 0 0; color: var(--muted); font-size: 13px; }

.ua {
    margin: 14px 0 0;
    padding: 10px 12px;
    border-radius: 8px;
    background: var(--bg);
    color: var(--muted);
    word-break: break-all;
}

/* Table */
.table-wrap { overflow-x: auto; }

table { border-collapse: collapse; width: 100%; font-size: 14px; }

th, td {
    text-align: left;
    vertical-align: top;
    padding: 7px 10px;
    border-top: 1px solid var(--line);
}

th { color: var(--muted); font-weight: 500; white-space: nowrap; width: 1%; }
td { word-break: break-all; }

pre {
    margin: 0;
    padding: 14px 16px;
    overflow-x: auto;
    border-radius: 10px;
    background: var(--bg);
    font-family: var(--mono);
    font-size: 13.5px;
    line-height: 1.6;
}

footer {
    margin-top: 40px;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

/* Admin */
.wrap.narrow { max-width: 420px; }

.title { margin: 0; font-size: 26px; font-weight: 700; }

.admin-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 24px;
}

.admin-head .eyebrow { text-align: left; }

.admin-nav { display: flex; gap: 6px; }

.admin-nav a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--bg-card);
    color: var(--text);
    font-size: 14px;
}

.admin-nav a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.login-form { display: flex; flex-direction: column; gap: 10px; }
.login-form label { color: var(--muted); font-size: 14px; }

.login-form input {
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font: inherit;
}

.login-form button {
    padding: 10px;
    border: 0;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.error { margin: 0; color: var(--warn); font-size: 14px; }

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 18px;
    margin-bottom: 18px;
}

.stat {
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--bg-card);
}

.stat-value { font-size: 28px; font-weight: 700; font-family: var(--mono); }
.stat-label { color: var(--muted); font-size: 13px; }

.admin-search { max-width: none; margin: 0 0 8px; }
.admin-search .clear { color: var(--muted); padding: 0 8px; }

.visits th { border-top: 0; }
.visits thead th { color: var(--muted); font-size: 13px; }
.nowrap { white-space: nowrap; }
.ua-cell { color: var(--muted); font-size: 13px; }

.visits .badge { white-space: nowrap; font-size: 13px; padding: 3px 10px; }
.mode-browser { background: var(--accent-soft); color: var(--accent); }
.mode-cli { background: #e6f7ee; color: var(--ok); }
.mode-json { background: #fff3e0; color: var(--warn); }

@media (prefers-color-scheme: dark) {
    .mode-cli { background: #12301f; }
    .mode-json { background: #3a2412; }
}

.pager {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 14px;
    font-size: 14px;
}

@media (max-width: 480px) {
    .wrap { padding: 28px 14px 40px; }
    .card { padding: 16px; }
    dl { grid-template-columns: 1fr; gap: 2px 0; }
    dt { margin-top: 8px; }
}