:root {
  --bg: #f6f6f9;
  --surface: #ffffff;
  --text: #1b1b24;
  --muted: #676779;
  --border: #e3e3ea;
  --accent: #5b3df5;
  --accent-soft: #eeeaff;
  --accent-text: #ffffff;
  --ok: #107a4a;
  --ok-soft: #e3f5ec;
  --warn: #9a5b00;
  --warn-soft: #fff2dc;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --private-bg: #efeff3;
  --shadow: 0 1px 2px rgb(20 20 40 / .06), 0 4px 16px rgb(20 20 40 / .05);
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111117;
    --surface: #1b1b24;
    --text: #ececf3;
    --muted: #9d9db0;
    --border: #2d2d3a;
    --accent: #8b75ff;
    --accent-soft: #29234d;
    --accent-text: #0f0d1c;
    --ok: #4fd18f;
    --ok-soft: #173326;
    --warn: #f0b554;
    --warn-soft: #3a2c12;
    --danger: #ff7b70;
    --danger-soft: #3d1a17;
    --private-bg: #17171e;
    --shadow: 0 1px 2px rgb(0 0 0 / .4);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--accent); }
h1 { font-size: 1.6rem; margin: 0 0 .3rem; letter-spacing: -.01em; }
h2 { font-size: 1.15rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.container { width: 100%; max-width: 1040px; margin: 0 auto; padding: 24px 16px 48px; flex: 1; }
.narrow { max-width: 680px; margin: 0 auto; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; margin-top: 12px; }
.spacer { flex: 1; }

/* Top bar */
.topbar {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 10px 20px; background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-size: 1.02rem; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-text); font-weight: 800;
}
.brand-mark-lg { width: 52px; height: 52px; font-size: 1.6rem; border-radius: 14px; margin: 0 auto 12px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 8px; }
.nav a:hover { background: var(--bg); color: var(--text); }
.nav a.active { color: var(--text); background: var(--accent-soft); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.user-menu { display: flex; align-items: center; gap: 8px; margin: 0; }
.user-name { font-size: .9rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  padding: 9px 16px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit; font-weight: 600;
  text-decoration: none; cursor: pointer;
}
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-primary:hover { filter: brightness(1.08); border-color: var(--accent); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-sm { padding: 5px 10px; font-size: .85rem; }
.btn:disabled, .btn.disabled { opacity: .55; pointer-events: none; }
.btn-google { width: 100%; padding: 12px; margin: 18px 0 8px; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; font-size: .85rem; cursor: pointer; }
.linkbtn:hover { text-decoration: underline; }

/* Pills & tags */
.pill, .tag { display: inline-block; font-size: .75rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.tag { background: var(--accent-soft); color: var(--accent); }
.pill-answered { background: var(--ok-soft); color: var(--ok); }
.pill-pending { background: var(--warn-soft); color: var(--warn); }
.pill-private { background: var(--border); color: var(--muted); }
.pill-public { background: var(--accent-soft); color: var(--accent); }
.pill-admin { background: var(--accent-soft); color: var(--accent); font-size: .7rem; }

/* Alerts & notes */
.alert { padding: 12px 14px; border-radius: 10px; margin: 0 0 16px; }
.alert-success { background: var(--ok-soft); color: var(--text); border: 1px solid color-mix(in srgb, var(--ok) 35%, transparent); }
.alert-error { background: var(--danger-soft); color: var(--danger); }
.anon-note {
  display: flex; gap: 12px; align-items: flex-start; text-align: left;
  background: var(--accent-soft); border-radius: 10px; padding: 12px 14px; margin: 16px 0; font-size: .9rem;
}
.anon-note svg { color: var(--accent); flex: none; margin-top: 2px; }

/* Dashboard */
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 18px; }
.page-head p { margin: 0; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 8px; }
.search {
  flex: 1 1 280px; display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 0 12px; color: var(--muted);
}
.search:focus-within { border-color: var(--accent); }
.search input { border: 0; outline: 0; background: transparent; padding: 10px 0; width: 100%; font: inherit; color: var(--text); }
select, textarea, input[type="email"] {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; padding: 9px 10px;
}
textarea { width: 100%; resize: vertical; line-height: 1.5; }
select:focus, textarea:focus, input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  font: inherit; font-size: .85rem; padding: 6px 12px; border-radius: 999px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border); color: var(--muted);
}
.chip.active { background: var(--text); color: var(--bg); border-color: var(--text); }

.qlist { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 10px; }
.qcard {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; cursor: pointer; box-shadow: var(--shadow); transition: border-color .15s;
}
.qcard:hover, .qcard:focus-visible { border-color: var(--accent); outline: none; }
.qcard.is-private { background: var(--private-bg); box-shadow: none; opacity: .72; }
.qcard.is-private:hover { opacity: 1; }
.qmeta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.qtext { margin: 8px 0; font-size: 1.02rem; font-weight: 500; white-space: pre-wrap; overflow-wrap: anywhere; }
.qfoot { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.vote {
  font: inherit; font-size: .85rem; font-weight: 600; cursor: pointer;
  background: transparent; border: 1px solid var(--border); border-radius: 8px; padding: 3px 10px; color: var(--muted);
}
.vote:hover { border-color: var(--accent); color: var(--accent); }
.vote.voted { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* Overlay */
.overlay {
  width: min(720px, calc(100vw - 32px)); max-height: calc(100vh - 64px);
  border: 0; border-radius: 16px; padding: 24px; background: var(--surface); color: var(--text);
  box-shadow: 0 20px 60px rgb(0 0 0 / .3);
}
.overlay::backdrop { background: rgb(15 15 25 / .55); backdrop-filter: blur(2px); }
.ov-close {
  position: absolute; top: 12px; right: 14px; border: 0; background: transparent; color: var(--muted);
  font-size: 1.6rem; line-height: 1; cursor: pointer;
}
.ov-question { font-size: 1.25rem; margin: 12px 0 6px; white-space: pre-wrap; overflow-wrap: anywhere; padding-right: 20px; }
.ov-answer { border-top: 1px solid var(--border); margin-top: 14px; padding-top: 14px; }
.label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-bottom: 6px; display: block; }
.answer-text { white-space: pre-wrap; overflow-wrap: anywhere; }
.ov-form { margin-top: 14px; }

/* Ask form */
.ask-form fieldset { border: 0; padding: 0; margin: 22px 0; }
.ask-form legend { font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.step {
  width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: var(--accent-text);
  display: inline-grid; place-items: center; font-size: .8rem;
}
.choice {
  display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; margin-bottom: 8px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
}
.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.choice input { margin-top: 4px; accent-color: var(--accent); }
.choice b { display: block; }
.choice small { color: var(--muted); display: block; }
.ask-form select { margin-bottom: 8px; }
.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; }
.checkbox input { margin-top: 4px; accent-color: var(--accent); }
.checkbox small { display: block; }
.ask-form:not(.is-anon) .anon-only,
.ask-form:not(.is-anon) .anon-hint,
.ask-form:not(.is-public) .only-public { display: none; }
.submit-summary { text-align: right; margin-top: 6px; }

/* Answer page */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tab {
  font: inherit; font-weight: 600; padding: 8px 14px; background: none; border: 0; cursor: pointer;
  color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.count { background: var(--border); border-radius: 999px; padding: 0 7px; font-size: .78rem; margin-left: 4px; }
.acard {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; margin-bottom: 12px; box-shadow: var(--shadow);
}
.acard.is-private { background: var(--private-bg); }
.orig { font-size: .9rem; color: var(--muted); margin-bottom: 8px; }
.orig summary { cursor: pointer; color: var(--accent); }
.answer-view { border-left: 3px solid var(--ok); padding: 4px 0 4px 12px; margin-top: 10px; }
.answer-form { margin-top: 10px; }

/* Login */
.login { display: grid; place-items: center; min-height: 70vh; }
.login-card {
  width: min(440px, 100%); text-align: center; background: var(--surface);
  border: 1px solid var(--border); border-radius: 16px; padding: 32px 28px; box-shadow: var(--shadow);
}
.dev-login { border-top: 1px dashed var(--border); margin-top: 14px; padding-top: 10px; }
.dev-login input { flex: 1; }

.prose li { margin-bottom: 6px; }
.footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 20px 16px 28px; }

@media (max-width: 640px) {
  .topbar { padding: 10px 16px; gap: 10px; }
  .topbar-right { margin-left: 0; width: 100%; justify-content: space-between; }
  .page-head { flex-direction: column; align-items: flex-start; }
  .overlay { padding: 20px 16px; }
}