:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #6b7280;
  --border: #e3e6eb;
  --accent: #2f6f5e;
  --accent-text: #ffffff;
  --error: #b42318;
  --todo: #e8eefc; --todo-t: #2848a8;
  --progress: #fff4d6; --progress-t: #8a5a00;
  --blocked: #fde7e7; --blocked-t: #a02020;
  --review: #efe7fc; --review-t: #5b2fa8;
  --done: #e3f5ea; --done-t: #1d6b3a;
  --wontfix: #eceef1; --wontfix-t: #555c66;
  color-scheme: light;
}
/* Dark: follows the system unless the user picked a theme (data-theme on <html>) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14171c; --card: #1d2128; --text: #e6e8eb; --muted: #9aa1ab; --border: #2f343d;
    --accent: #4fae93; --accent-text: #0d1512; --error: #ff8a80;
    --todo: #1f2a44; --todo-t: #9bb5ff; --progress: #3a2f12; --progress-t: #ffd479;
    --blocked: #3d1d1d; --blocked-t: #ff9c9c; --review: #2c2240; --review-t: #c9a8ff;
    --done: #18331f; --done-t: #8ee0a8; --wontfix: #2a2e35; --wontfix-t: #aab0b8;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #14171c; --card: #1d2128; --text: #e6e8eb; --muted: #9aa1ab; --border: #2f343d;
  --accent: #4fae93; --accent-text: #0d1512; --error: #ff8a80;
  --todo: #1f2a44; --todo-t: #9bb5ff; --progress: #3a2f12; --progress-t: #ffd479;
  --blocked: #3d1d1d; --blocked-t: #ff9c9c; --review: #2c2240; --review-t: #c9a8ff;
  --done: #18331f; --done-t: #8ee0a8; --wontfix: #2a2e35; --wontfix-t: #aab0b8;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
h1, h2 { margin: 0 0 .6rem; line-height: 1.25; }
h1 { font-size: 1.35rem; } h2 { font-size: 1.1rem; }

.topbar { display: flex; justify-content: space-between; align-items: center; padding: .7rem 16px; background: var(--card); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.brand span { color: var(--accent); font-weight: 500; }
.top-actions { display: flex; gap: 1rem; align-items: center; }
#whoami { display: flex; gap: .8rem; align-items: center; font-size: .9rem; }
.theme-toggle { background: none; color: var(--text); border: 1px solid var(--border); border-radius: 99px; padding: .2rem .7rem; font-weight: 500; font-size: .85rem; }

main { max-width: 980px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1.2rem; margin-bottom: 16px; }
.narrow { max-width: 380px; margin: 3rem auto; }
.muted { color: var(--muted); }
.error { color: var(--error); }
.row { display: flex; gap: .8rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.nowrap { white-space: nowrap; }

label { display: block; margin-bottom: .8rem; font-weight: 500; }
input, textarea, select, button { font: inherit; color: inherit; }
form input:not([type=file]):not([type=checkbox]), textarea, select { width: 100%; padding: .55rem .65rem; border: 1px solid var(--border); border-radius: 7px; background: var(--bg); }
select { width: auto; }
label input { margin-top: .25rem; }
textarea { resize: vertical; margin-bottom: .6rem; }
input[type=file] { max-width: 100%; }
button { background: var(--accent); color: var(--accent-text); border: 0; border-radius: 7px; padding: .55rem 1.1rem; cursor: pointer; font-weight: 600; }
button:disabled { opacity: .6; cursor: progress; }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 500; }
.hint { font-size: .85rem; margin: .4rem 0 0; }
label.check { display: inline-flex; gap: .4rem; align-items: center; font-weight: 400; margin: 0 0 .6rem; }
label.check input { margin: 0; accent-color: var(--accent); }
.status-row label.check { margin: 0; }
.badge.public { margin-left: .4rem; background: var(--todo); color: var(--todo-t); font-size: .75rem; }
.readonly-note { font-size: .9rem; margin: .6rem 0 0; }
select:disabled { opacity: .75; }
.ai-reply { background: var(--review); color: var(--review-t); border-radius: 8px; padding: .7rem .9rem; white-space: pre-wrap; }
.ai-reply::before { content: "IA · "; font-weight: 600; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .5rem .45rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }

.status, .badge { display: inline-block; padding: .05rem .5rem; border-radius: 99px; font-size: .82rem; white-space: nowrap; background: var(--wontfix); color: var(--wontfix-t); }
.s-todo { background: var(--todo); color: var(--todo-t); }
.s-in-progress { background: var(--progress); color: var(--progress-t); }
.s-blocked { background: var(--blocked); color: var(--blocked-t); }
.s-review { background: var(--review); color: var(--review-t); }
.s-done { background: var(--done); color: var(--done-t); }
.t-bug, .p-urgent { background: var(--blocked); color: var(--blocked-t); }
.t-improvement { background: var(--done); color: var(--done-t); }
.t-suggestion { background: var(--review); color: var(--review-t); }
.p-medium { background: var(--todo); color: var(--todo-t); }
.p-high { background: var(--progress); color: var(--progress-t); }
.p-urgent { font-weight: 600; }
select.status-select { font-weight: 600; border-color: transparent; }
select.status-select option { background: var(--card); color: var(--text); font-weight: 400; }

.meta { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin-bottom: .8rem; font-size: .9rem; }
.status-row { justify-content: flex-start; padding-bottom: .8rem; border-bottom: 1px solid var(--border); }
.status-row label { margin: 0; display: flex; gap: .5rem; align-items: center; }

.md { overflow-wrap: anywhere; }
.md h1 { margin-top: 1rem; }
.md h2 { margin-top: 1.4rem; font-size: 1.05rem; }
.md blockquote { margin: 0; padding: .2rem 1rem; border-left: 3px solid var(--border); color: var(--muted); }
.md code { background: var(--bg); padding: .05rem .3rem; border-radius: 4px; font-size: .9em; }
.md pre { background: var(--bg); padding: .8rem; border-radius: 7px; overflow-x: auto; }
.md ul { padding-left: 1.3rem; }
.md li { margin: .2rem 0; }
.md li > p { margin: 0; }
/* Task lists (- [ ] ...): checkbox inline, no bullet */
.md li:has(> input[type=checkbox]), .md li:has(> p > input[type=checkbox]) { list-style: none; margin-left: -1.3rem; }
.md li input[type=checkbox] { margin: 0 .5rem 0 0; vertical-align: -1px; accent-color: var(--accent); }

.files { list-style: none; padding: 0; display: grid; gap: .8rem; }
.files li { display: flex; flex-direction: column; gap: .2rem; }
.files img { max-width: 100%; max-height: 320px; border: 1px solid var(--border); border-radius: 6px; }