:root {
    --bg: #ffffff;
    --panel: #f7f7f7;
    --panel-border: #dddddd;
    --row: #f0f0f0;
    --row-hover: #e6e6e6;
    --row-border: #c8c8c8;
    --text: #1b1b1b;
    --muted: #6b6b6b;
    --faint: #909090;
    --field-bg: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
    --danger: #a33131;
    --danger-bg: #fbeaea;
    --ok: #2f7a3f;
    --ok-bg: #eaf6ec;
    --warn: #8a6a1f;
    --warn-bg: #fdf6e3;
    --accent: #2f6fb0;
    --accent-hover: #275d95;
    --accent-text: #ffffff;
}

:root[data-accent="graphite"] { --accent: #4d4d4d; --accent-hover: #3a3a3a; }
:root[data-accent="moss"]     { --accent: #4a7c48; --accent-hover: #3c6539; }
:root[data-accent="plum"]     { --accent: #7a4a7c; --accent-hover: #653d67; }

:root[data-theme="dark"] {
    --bg: #17191c;
    --panel: #1d2024;
    --panel-border: #2c3037;
    --row: #23272d;
    --row-hover: #2b3037;
    --row-border: #363c44;
    --text: #e2e5e9;
    --muted: #9aa1ab;
    --faint: #767d87;
    --field-bg: #14161a;
    --shadow: rgba(0, 0, 0, 0.5);
    --danger: #e08585;
    --danger-bg: #382223;
    --ok: #7fc48d;
    --ok-bg: #1e2c22;
    --warn: #d9bd75;
    --warn-bg: #2e2a1d;
    --accent: #5b9bd8;
    --accent-hover: #74acdf;
    --accent-text: #10131a;
}

:root[data-theme="dark"][data-accent="graphite"] { --accent: #9aa1ab; --accent-hover: #b3bac3; }
:root[data-theme="dark"][data-accent="moss"]     { --accent: #7db878; --accent-hover: #92c78d; }
:root[data-theme="dark"][data-accent="plum"]     { --accent: #b487b6; --accent-hover: #c69ac8; }

@media (prefers-color-scheme: dark) {
    :root[data-theme="auto"] {
        --bg: #17191c;
        --panel: #1d2024;
        --panel-border: #2c3037;
        --row: #23272d;
        --row-hover: #2b3037;
        --row-border: #363c44;
        --text: #e2e5e9;
        --muted: #9aa1ab;
        --faint: #767d87;
        --field-bg: #14161a;
        --shadow: rgba(0, 0, 0, 0.5);
        --danger: #e08585;
        --danger-bg: #382223;
        --ok: #7fc48d;
        --ok-bg: #1e2c22;
        --warn: #d9bd75;
        --warn-bg: #2e2a1d;
        --accent: #5b9bd8;
        --accent-hover: #74acdf;
        --accent-text: #10131a;
    }
    :root[data-theme="auto"][data-accent="graphite"] { --accent: #9aa1ab; --accent-hover: #b3bac3; }
    :root[data-theme="auto"][data-accent="moss"]     { --accent: #7db878; --accent-hover: #92c78d; }
    :root[data-theme="auto"][data-accent="plum"]     { --accent: #b487b6; --accent-hover: #c69ac8; }
}

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

html { color-scheme: light dark; }

body {
    margin: 0;
    padding: 0 0 40px;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.45 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

h1, h2, h3 { margin: 0 0 6px; font-weight: 600; }
p { margin: 0 0 6px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.noselect { user-select: none; }

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    height: 40px;
    background: var(--panel);
    border-bottom: 1px solid var(--panel-border);
    box-shadow: 0 2px 4px var(--shadow);
}

.topbar-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 1100px;
    max-width: 100%;
    height: 40px;
    margin: 0 auto;
    padding: 0 10px;
}

.logo {
    font-size: 20px;
    color: var(--text);
    white-space: nowrap;
}
.logo:hover { text-decoration: none; color: var(--accent); }

.topnav { display: flex; gap: 12px; overflow: hidden; }
.topnav-link { color: var(--muted); font-size: 14px; white-space: nowrap; }
.topnav-link:hover { color: var(--accent); }

.badge {
    display: inline-block;
    min-width: 16px;
    padding: 0 4px;
    background: var(--danger);
    color: #fff;
    font-size: 11px;
    line-height: 16px;
    text-align: center;
}

.menu { position: relative; margin-left: auto; }
.menu > summary {
    list-style: none;
    cursor: pointer;
    padding: 0 10px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    border-left: 1px solid var(--row-border);
    border-right: 1px solid var(--row-border);
}
.menu > summary::-webkit-details-marker { display: none; }
.menu > summary:hover, .menu[open] > summary { background: var(--row-hover); }
.account-name { max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; vertical-align: middle; }

.menu-panel {
    position: absolute;
    right: 0;
    top: 40px;
    width: 220px;
    background: var(--panel);
    border: 1px solid var(--row-border);
    box-shadow: 0 2px 6px var(--shadow);
    padding: 3px;
}

.menu-item {
    display: block;
    width: 100%;
    padding: 5px 6px;
    font-size: 14px;
    color: var(--text);
    text-align: left;
}
.menu-item:hover { background: var(--row-hover); text-decoration: none; }
.menu-form { margin: 0; }
.menu-button { background: none; border: 0; cursor: pointer; font: inherit; }
.menu-sep {
    margin-top: 4px;
    padding: 6px 6px 2px;
    border-top: 1px solid var(--row-border);
    font-size: 12px;
    color: var(--faint);
}

.theme-switch { display: flex; gap: 3px; padding: 3px 6px 6px; }
.chip {
    flex: 1;
    padding: 3px 2px;
    font: inherit;
    font-size: 12px;
    background: var(--row);
    color: var(--text);
    border: 1px solid var(--row-border);
    cursor: pointer;
}
.chip:hover { background: var(--row-hover); }
.chip-on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

.page {
    width: 1100px;
    max-width: 100%;
    margin: 12px auto 0;
    padding: 0 10px;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    padding: 10px;
    overflow-wrap: anywhere;
}
.panel-narrow { max-width: 720px; margin: 0 auto; }
.panel-form { max-width: 440px; margin: 24px auto; }
.center { text-align: center; }

.split { display: flex; gap: 10px; align-items: flex-start; }
.side { width: 240px; flex: 0 0 240px; }
.side-title { color: var(--muted); font-size: 13px; margin-bottom: 4px; }
.side-title-gap { margin-top: 14px; }
.main-col { flex: 1 1 auto; min-width: 0; }

.col-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.col-title { font-size: 22px; margin: 0; }

.stats { list-style: none; margin: 0; padding: 0; color: var(--muted); font-size: 13px; }
.stats li { padding: 1px 0; }

.row {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    padding: 6px;
    margin-bottom: 4px;
    background: var(--row);
    border: 1px solid var(--row-border);
    color: var(--text);
    transition: background 0.08s;
}
a.row:hover { background: var(--row-hover); text-decoration: none; }
.row-static { cursor: default; }
.row-active { border-left: 3px solid var(--accent); }
.row-compact { display: block; }
.row-column { flex-direction: column; }
.row-body { display: flex; flex-direction: column; gap: 2px; flex: 1 1 auto; min-width: 0; }
.row-side { display: flex; flex-direction: column; align-items: flex-end; text-align: right; flex: 0 0 auto; }
.row-title { font-size: 16px; }
.row-meta { color: var(--muted); font-size: 12px; }
.row-excerpt { color: var(--faint); font-size: 13px; }
.row-avatar { flex: 0 0 auto; line-height: 0; }
.row-avatar .identicon { width: 48px; height: 48px; border: 1px solid var(--row-border); background: var(--bg); }
.row-avatar-big .identicon { width: 96px; height: 96px; }
.message .row-avatar .identicon { width: 64px; height: 64px; }

.muted { color: var(--muted); font-size: 13px; }

.tag {
    display: inline-block;
    padding: 0 5px;
    margin-right: 4px;
    font-size: 11px;
    line-height: 16px;
    border: 1px solid var(--row-border);
    color: var(--muted);
    vertical-align: middle;
}
.tag-op { border-color: var(--accent); color: var(--accent); }
.tag-me { border-color: var(--ok); color: var(--ok); }
.tag-lock { border-color: var(--danger); color: var(--danger); }
.tag-pin { border-color: var(--warn); color: var(--warn); }

.messages { list-style: none; margin: 0 0 10px; padding: 0; }
.message {
    display: flex;
    gap: 8px;
    padding: 8px;
    margin-bottom: 6px;
    background: var(--row);
    border: 1px solid var(--row-border);
}
.message-mine { border-left: 3px solid var(--accent); }
.message-side { flex: 0 0 auto; }
.message-main { flex: 1 1 auto; min-width: 0; }
.message-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 4px; }
.anon-name { font-size: 15px; font-weight: 600; }
.anon-tag { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: 0.5px; }
.message-num { color: var(--faint); font-size: 12px; margin-left: auto; }
.message-time { color: var(--faint); font-size: 12px; }
.message-body { white-space: pre-line; overflow-wrap: anywhere; }
.message-body .quote { color: var(--ok); }
.message-deleted { color: var(--faint); font-style: italic; }

.message-tools { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.tool { display: inline-block; }
.tool-block { display: block; margin-bottom: 8px; }
.tool-summary { cursor: pointer; color: var(--muted); font-size: 12px; list-style: none; }
.tool-summary::-webkit-details-marker { display: none; }
.tool-summary:hover { color: var(--accent); }
.tool-danger { color: var(--danger); }
.tool-form { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tool-form-inline { display: inline; }
.tool-form textarea { width: 100%; }
.link-button { background: none; border: 0; padding: 0; font: inherit; font-size: 12px; color: var(--muted); cursor: pointer; }
.link-button:hover { color: var(--danger); }
.ban-form { display: flex; gap: 4px; flex-wrap: wrap; }
.hours { width: 72px; }

.paginator { display: flex; flex-wrap: wrap; gap: 3px; margin: 10px 0 0; }
.page-btn {
    min-width: 26px;
    height: 26px;
    line-height: 24px;
    padding: 0 5px;
    text-align: center;
    border: 1px solid var(--row-border);
    background: var(--row);
    color: var(--text);
    font-size: 13px;
}
a.page-btn:hover { background: var(--row-hover); text-decoration: none; }
.page-btn-on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.page-btn-off { color: var(--faint); }

.stack { display: flex; flex-direction: column; gap: 10px; }
.field { display: flex; flex-direction: column; gap: 3px; }
.field-label { font-size: 13px; color: var(--muted); }
.form-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.form-footnote { margin-top: 12px; }
.inline-form { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }

input[type="text"], input[type="password"], input[type="number"], input[type="search"], select, textarea {
    font: inherit;
    padding: 5px 6px;
    background: var(--field-bg);
    color: var(--text);
    border: 1px solid var(--row-border);
    max-width: 100%;
}
textarea { resize: vertical; width: 100%; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, summary:focus-visible, a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.warn-inline { flex-basis: 100%; color: var(--warn); }
.check { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; color: var(--muted); }
.choices { border: 1px solid var(--row-border); padding: 6px 8px; display: flex; flex-wrap: wrap; gap: 12px; }
.choices legend { padding: 0 4px; }
.choice { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; }

.btn {
    display: inline-block;
    padding: 5px 12px;
    font: inherit;
    font-size: 14px;
    background: var(--row);
    color: var(--text);
    border: 1px solid var(--row-border);
    cursor: pointer;
    text-align: center;
}
.btn:hover { background: var(--row-hover); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-small { padding: 2px 8px; font-size: 13px; }
.btn-danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn-danger:hover { background: var(--danger-bg); }

.alert { padding: 7px 10px; margin-bottom: 10px; border: 1px solid; font-size: 14px; }
.alert-error { color: var(--danger); border-color: var(--danger); background: var(--danger-bg); }
.alert-ok { color: var(--ok); border-color: var(--ok); background: var(--ok-bg); }
.alert-warn { color: var(--warn); border-color: var(--warn); background: var(--warn-bg); }

.card { border: 1px solid var(--row-border); padding: 10px; margin-bottom: 10px; background: var(--row); }
.card-title { font-size: 17px; }
.card-danger { border-color: var(--danger); }

.tiles { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tile { flex: 1 1 120px; border: 1px solid var(--row-border); background: var(--row); padding: 8px; text-align: center; }
.tile-num { display: block; font-size: 24px; font-weight: 600; }
.tile-label { color: var(--muted); font-size: 12px; }

.list { margin: 0 0 6px; padding-left: 20px; }
.list li { margin-bottom: 3px; }

.creds { margin: 12px 0; }
.creds dt { color: var(--muted); font-size: 13px; }
.creds dd { margin: 0 0 8px; }
.creds code {
    display: inline-block;
    padding: 4px 6px;
    background: var(--field-bg);
    border: 1px solid var(--row-border);
    font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
    user-select: all;
}

.divider { text-align: center; color: var(--faint); font-size: 13px; margin: 16px 0; }

.profile-head { display: flex; gap: 12px; align-items: flex-start; border: 1px solid var(--row-border); background: var(--row); padding: 10px; margin-bottom: 12px; }
.profile-bio { white-space: pre-line; }

.error-code { font-size: 48px; font-weight: 700; color: var(--faint); margin: 0; }

.reply-form { margin-top: 12px; border-top: 1px solid var(--row-border); padding-top: 10px; }

.challenge { font-size: 13px; }
.challenge-image { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 6px; }
.challenge-image img { border: 1px solid var(--row-border); background: #fff; }
.challenge-answer { display: flex; flex-direction: column; gap: 3px; color: var(--muted); }
.challenge-status { color: var(--faint); font-size: 12px; margin: 0; }
.challenge-status-busy { color: var(--warn); }
.challenge-status-done { color: var(--ok); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.footer {
    width: 1100px;
    max-width: 100%;
    margin: 16px auto 0;
    padding: 10px;
    color: var(--faint);
    font-size: 12px;
    border-top: 1px solid var(--panel-border);
}
.footer-sep { margin: 0 4px; }

@media screen and (max-width: 860px) {
    .split { flex-direction: column; }
    .side { width: 100%; flex: 1 1 auto; }
    .row-side { display: none; }
    .topnav { display: none; }
    .row-avatar .identicon { width: 40px; height: 40px; }
    .col-head { flex-direction: column; }
}