/* The creator website (WEIGHTS_DESIGN.md section 7). No web fonts, no images, no inline styles (the CSP allows only this
   file). Light and dark follow the creator's system setting. */
:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #16181d;
  --muted: #5c6370;
  --line: #dde1e7;
  --accent: #3b5bdb;
  --accent-text: #ffffff;
  --accent-soft: #e8edff;
  --ok: #1f7a3e;
  --ok-soft: #e6f4ea;
  --warn: #8a5a00;
  --warn-soft: #fff4d6;
  --bad: #b42318;
  --bad-soft: #fde8e6;
  --code: #eef0f4;
  --radius: 8px;
  --focus: 0 0 0 3px rgba(59, 91, 219, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --panel: #1a1d24;
    --text: #e8eaef;
    --muted: #9aa1ad;
    --line: #2d313b;
    --accent: #7c94ff;
    --accent-text: #0d1020;
    --accent-soft: #232a45;
    --ok: #6fd08f;
    --ok-soft: #17301f;
    --warn: #f0c060;
    --warn-soft: #33290f;
    --bad: #ff8a80;
    --bad-soft: #3a1714;
    --code: #232731;
    --focus: 0 0 0 3px rgba(124, 148, 255, 0.4);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }      /* also for elements given a display below (buttons, .bulk) */

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

h1 { font-size: 1.6rem; margin: 0 0 0.5rem; line-height: 1.25; }
h2 { font-size: 1.15rem; margin: 1.6rem 0 0.6rem; }
h3 { font-size: 1rem; margin: 1.2rem 0 0.4rem; }
p { margin: 0.5rem 0; }
code, pre { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 0.9em; }
code { background: var(--code); padding: 0.1em 0.35em; border-radius: 4px; }
pre { background: var(--code); padding: 0.8rem; border-radius: var(--radius); overflow-x: auto; white-space: pre-wrap; word-break: break-all; }
pre code { background: none; padding: 0; }

/* ---------------------------------------------------------------- frame */
.top {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.6rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; font-size: 1.05rem; }
.brand span { color: var(--accent); }
#nav { display: flex; gap: 0.25rem; flex-wrap: wrap; flex: 1; }
#nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
}
#nav a:hover { color: var(--text); background: var(--bg); }
#nav a[aria-current="page"] { color: var(--text); background: var(--accent-soft); }
#who { display: flex; align-items: center; gap: 0.6rem; color: var(--muted); }

#banner:empty { display: none; }
#banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.5rem 1.25rem;
  background: var(--accent-soft);
  border-bottom: 1px solid var(--line);
}
#banner progress { flex: 1; min-width: 8rem; max-width: 20rem; }

main { flex: 1; width: 100%; max-width: 1040px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; outline: none; }
.foot { color: var(--muted); font-size: 0.85rem; text-align: center; padding: 1rem; border-top: 1px solid var(--line); }

.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.crumbs { color: var(--muted); font-size: 0.9rem; margin: 0 0 0.3rem; }
.title-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.row { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.stack > * + * { margin-top: 0.75rem; }

/* ---------------------------------------------------------------- panels and cards */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 1rem 0;
}
.panel > h2:first-child, .panel > h3:first-child { margin-top: 0; }

.cards { list-style: none; padding: 0; margin: 1rem 0; display: grid; gap: 0.9rem; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}
.card h2 { margin: 0; font-size: 1.1rem; }
.card a.card-link { color: inherit; text-decoration: none; display: block; }
.card a.card-link:hover h2 { color: var(--accent); }
.card dl { display: grid; grid-template-columns: auto 1fr; gap: 0.15rem 0.8rem; margin: 0.6rem 0 0; font-size: 0.9rem; }
.card dt { color: var(--muted); }
.card dd { margin: 0; }
.slug { color: var(--muted); font-size: 0.875rem; margin: 0.1rem 0 0.4rem; }

.badges { display: flex; gap: 0.35rem; flex-wrap: wrap; margin: 0.35rem 0; }
.badge {
  display: inline-block;
  font-size: 0.78rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: var(--code);
  color: var(--muted);
  border: 1px solid var(--line);
}
.badge.good { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.badge.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge.bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.badge.info { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

.storage { margin: 0.8rem 0 1.2rem; }
.storage progress { width: 100%; max-width: 32rem; height: 0.8rem; display: block; margin: 0.3rem 0; }

.tabs { display: flex; gap: 0.25rem; border-bottom: 1px solid var(--line); margin: 1rem 0; flex-wrap: wrap; }
.tabs a { padding: 0.5rem 0.8rem; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a:hover { color: var(--text); }
.tabs a[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }

/* ---------------------------------------------------------------- forms */
form, fieldset { margin: 0; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 0.6rem 0.9rem 0.8rem; }
legend { color: var(--muted); padding: 0 0.3rem; font-size: 0.9rem; }
label { display: block; font-weight: 600; font-size: 0.9rem; margin: 0.6rem 0 0.25rem; }
label.check { display: flex; align-items: center; gap: 0.45rem; font-weight: 400; margin: 0.35rem 0; }
.hint { color: var(--muted); font-size: 0.85rem; margin: 0.2rem 0 0; font-weight: 400; }
input[type="text"], input[type="search"], input[type="date"], input[type="datetime-local"], input[type="file"], select, textarea {
  font: inherit;
  color: inherit;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  width: 100%;
  max-width: 34rem;
}
textarea { resize: vertical; min-height: 4.5rem; }
input[type="file"] { padding: 0.35rem; }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--bad); }
.field-error { color: var(--bad); font-size: 0.85rem; margin: 0.2rem 0 0; }
.grid2 { display: grid; gap: 0 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.9rem; align-items: center; }

button, .button {
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 0.45rem 0.9rem;
  text-decoration: none;
  display: inline-block;
  line-height: 1.3;
}
button:hover:not(:disabled), .button:hover { border-color: var(--muted); }
button:disabled { opacity: 0.55; cursor: not-allowed; }
button.primary, .button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { background: var(--bad); color: #fff; border-color: var(--bad); }
button.small { padding: 0.2rem 0.55rem; font-size: 0.82rem; }
button.link { background: none; border: none; color: var(--accent); padding: 0; font-weight: 400; text-decoration: underline; }

/* ---------------------------------------------------------------- messages */
.status:empty { display: none; }
.status, .message { padding: 0.55rem 0.8rem; border-radius: 6px; margin: 0.7rem 0; background: var(--code); }
.status.ok, .message.ok { background: var(--ok-soft); color: var(--ok); }
.status.error, .message.error { background: var(--bad-soft); color: var(--bad); }
.status.warn, .message.warn { background: var(--warn-soft); color: var(--warn); }
.empty { color: var(--muted); padding: 1.2rem 0; }

.secret { border: 2px solid var(--warn); }
.secret input { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }

/* ---------------------------------------------------------------- tables */
.table-wrap { overflow-x: auto; margin: 0.5rem 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; background: var(--bg); }
tr:last-child td { border-bottom: none; }
td.id { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; white-space: nowrap; }
td.acts { white-space: nowrap; }
td.acts button + button { margin-left: 0.3rem; }
.toolbar { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: flex-end; margin: 0.5rem 0; }
.toolbar > * { flex: 0 1 auto; }
.toolbar input[type="search"] { min-width: 14rem; }
.bulk { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; padding: 0.4rem 0.6rem; background: var(--accent-soft); border-radius: 6px; }

/* ---------------------------------------------------------------- activity, progress, dialog */
.activity { list-style: none; padding: 0; margin: 0.5rem 0; }
.activity li { padding: 0.4rem 0; border-bottom: 1px solid var(--line); }
.activity time { color: var(--muted); font-size: 0.85rem; display: inline-block; min-width: 12rem; }

.upload-panel progress { width: 100%; height: 1rem; display: block; margin: 0.5rem 0; }
.upload-stage { font-weight: 600; }

dialog.confirm {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  max-width: 30rem;
  width: calc(100% - 2rem);
  padding: 1.1rem 1.2rem;
}
dialog.confirm::backdrop { background: rgba(0, 0, 0, 0.45); }
dialog.confirm .q { font-weight: 600; margin-top: 0; }
dialog.confirm .actions { justify-content: flex-end; }

details { margin: 0.6rem 0; }
summary { cursor: pointer; font-weight: 600; }
.help h2 { border-top: 1px solid var(--line); padding-top: 1rem; }
.help dl dt { font-weight: 600; margin-top: 0.6rem; }
.help dl dd { margin: 0.2rem 0 0 0; }

@media (max-width: 640px) {
  main { padding: 1rem 0.8rem 2rem; }
  .top { padding: 0.5rem 0.8rem; }
  .activity time { display: block; }
}