/* Cairn — team inbox. Plain CSS, self-hosted fonts. */

@font-face {
  font-family: 'Space Grotesk';
  src: url('assets/space-grotesk.ttf') format('truetype');
  font-weight: 300 700;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('assets/ibm-plex-mono.ttf') format('truetype');
  font-weight: 400 600;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: 'Work Sans';
  src: url('assets/work-sans.ttf') format('truetype');
  font-weight: 400 700;
  font-display: swap;
  font-style: normal;
}

:root {
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Work Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* Light theme (default) */
  --bg: #f4f3ef;
  --bg-grain: #ecebe6;
  --surface: #ffffff;
  --surface-2: #f8f7f3;
  --ink: #16181d;
  --muted: #5d626a;
  --faint: #93999f;
  --line: #e3e1db;
  --line-strong: #d4d2cb;
  --accent: #176a52;
  --accent-ink: #ffffff;
  --accent-weak: #e7f1ec;
  --accent-ring: rgba(23, 106, 82, 0.28);
  --shadow: 0 1px 2px rgba(20, 22, 26, 0.04), 0 8px 24px -12px rgba(20, 22, 26, 0.16);

  /* Status semantics */
  --st-todo: #6b7280;
  --st-todo-bg: #ececef;
  --st-prog: #a8620f;
  --st-prog-bg: #f6ead8;
  --st-block: #b23a48;
  --st-block-bg: #f7e3e5;
  --st-done: #2f7d4f;
  --st-done-bg: #e2f0e6;

  --radius: 14px;
  --radius-sm: 9px;
  --radius-pill: 999px;
  --row-pad: 18px;
  --maxw: 1080px;
  --header-h: 64px;
}

[data-theme="dark"] {
  --bg: #13151a;
  --bg-grain: #0f1116;
  --surface: #1a1d23;
  --surface-2: #20242b;
  --ink: #e8eaee;
  --muted: #a2a8b0;
  --faint: #6c727a;
  --line: #2a2e36;
  --line-strong: #3a3f49;
  --accent: #5cc99a;
  --accent-ink: #0f1a15;
  --accent-weak: #1d2c25;
  --accent-ring: rgba(92, 201, 154, 0.32);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -16px rgba(0, 0, 0, 0.6);

  --st-todo: #9aa1ac;
  --st-todo-bg: #262931;
  --st-prog: #d99a4a;
  --st-prog-bg: #2e2516;
  --st-block: #e0717e;
  --st-block-bg: #2e1a1d;
  --st-done: #6fcf91;
  --st-done-bg: #16271f;

  color-scheme: dark;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
}

/* Subtle paper texture, fixed, non-repainting */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 12% -8%, var(--bg-grain) 0%, transparent 55%),
    radial-gradient(120% 80% at 100% 0%, var(--bg-grain) 0%, transparent 50%);
  opacity: 0.7;
}

h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }

button { font: inherit; color: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; }

::selection { background: var(--accent-ring); color: var(--ink); }

:focus-visible { outline: 3px solid var(--accent-ring); outline-offset: 2px; border-radius: 4px; }

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--surface);
  color: var(--ink);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  z-index: 100;
  transition: top 0.18s ease;
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: var(--header-h);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--ink);
  color: var(--bg);
  flex: none;
}
.brand-text { min-width: 0; }
.brand-name {
  font-size: 19px;
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.brand-sub {
  margin: 2px 0 0;
  font-size: 12.5px;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--muted);
  transition: color 0.18s, border-color 0.18s, background 0.18s, transform 0.18s;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink); }
.theme-toggle:active { transform: scale(0.96); }
.theme-icon-moon { display: none; }
[data-theme="dark"] .theme-icon-sun { display: none; }
[data-theme="dark"] .theme-icon-moon { display: inline-grid; }

/* ---------- Controls ---------- */
.controls {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px 18px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: end;
  gap: 14px;
}
.field { position: relative; display: flex; flex-direction: column; gap: 6px; }
.field > label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--faint);
}
.field-search input,
.field-filter select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 44px;
  padding: 0 14px;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  transition: border-color 0.16s, box-shadow 0.16s, background 0.16s;
}
.field-search input { padding-left: 42px; }
.field-filter select { padding-right: 38px; cursor: pointer; }
.field-search input::placeholder { color: var(--faint); }
.field-search input:focus,
.field-filter select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.field-icon {
  position: absolute;
  left: 13px;
  bottom: 13px;
  display: grid;
  place-items: center;
  color: var(--faint);
  pointer-events: none;
}
.select-chev {
  position: absolute;
  right: 12px;
  bottom: 14px;
  color: var(--muted);
  pointer-events: none;
}

/* status meter */
.status-meter {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--surface);
  overflow: hidden;
  height: 44px;
}
.status-meter li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}
.status-meter li:last-child { border-right: none; }
.status-meter li button {
  background: none;
  border: none;
  padding: 0;
  color: var(--muted);
  font: inherit;
  letter-spacing: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.status-meter li button:hover { color: var(--ink); }
.status-meter li.is-active { background: var(--accent-weak); }
.status-meter li.is-active button { color: var(--ink); font-weight: 600; }
.swatch {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  flex: none;
  background: currentColor;
}
.status-meter .meter-count { color: var(--ink); font-weight: 600; }

/* ---------- Main / list ---------- */
.main { position: relative; z-index: 1; }
.main-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px 24px 96px;
}
.list-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 18px 4px 12px;
}
.list-count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--faint);
  letter-spacing: 0.02em;
}
.list-count b { color: var(--ink); font-weight: 600; }

.list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.item {
  border-bottom: 1px solid var(--line);
  position: relative;
}
.item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.16s;
}
.item:hover::before { background: var(--accent); }

.row-open {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--row-pad) 16px var(--row-pad) 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px 24px;
  transition: background 0.14s;
}
.row-open:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
.row-open:active { background: color-mix(in srgb, var(--accent) 9%, transparent); }

.row-main { min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.row-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.status-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 3px 9px 3px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 600;
  flex: none;
}
.status-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: none; }
.status-tag[data-status="todo"] { color: var(--st-todo); background: var(--st-todo-bg); border-color: color-mix(in srgb, var(--st-todo) 22%, transparent); }
.status-tag[data-status="in-progress"] { color: var(--st-prog); background: var(--st-prog-bg); border-color: color-mix(in srgb, var(--st-prog) 22%, transparent); }
.status-tag[data-status="blocked"] { color: var(--st-block); background: var(--st-block-bg); border-color: color-mix(in srgb, var(--st-block) 22%, transparent); }
.status-tag[data-status="done"] { color: var(--st-done); background: var(--st-done-bg); border-color: color-mix(in srgb, var(--st-done) 22%, transparent); }

.priority { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--faint); }
.priority[data-priority="high"] { color: var(--ink); }

.row-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.row-meta {
  display: flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  flex-wrap: wrap;
}
.meta-bit { display: inline-flex; align-items: center; gap: 7px; padding: 0 12px; }
.meta-bit:first-child { padding-left: 0; }
.meta-bit + .meta-bit { border-left: 1px solid var(--line-strong); }
.avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-body);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--surface);
  flex: none;
}

.row-aside { display: flex; align-items: center; gap: 18px; }
.meta-comments {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.meta-comments .c-count { color: var(--ink); font-weight: 600; }
.open-cue {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--faint);
  transition: color 0.14s, gap 0.14s;
}
.row-open:hover .open-cue { color: var(--accent); gap: 11px; }
.open-cue svg { transition: transform 0.14s; }
.row-open:hover .open-cue svg { transform: translateX(2px); }

/* ---------- Empty state ---------- */
.empty-state {
  margin-top: 40px;
  padding: 56px 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  text-align: center;
  background: var(--surface-2);
}
.empty-state h2 { font-size: 20px; margin-bottom: 8px; }
.empty-state p { margin: 0 0 20px; color: var(--muted); max-width: 42ch; margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.14s, border-color 0.14s, transform 0.14s, color 0.14s;
}
.btn:hover { border-color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover { filter: brightness(1.05); border-color: var(--accent); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--ink); background: var(--surface-2); }

/* ---------- Detail (dialog slide-over) ---------- */
.detail {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  width: min(500px, 100%);
  height: 100dvh;
  max-height: 100dvh;
  padding: 0;
  border: none;
  border-radius: 0;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.detail::backdrop { background: rgba(15, 16, 20, 0.42); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }

@media (prefers-reduced-motion: no-preference) {
  .detail { animation: slide-in 0.32s cubic-bezier(0.16, 1, 0.3, 1); }
  @keyframes slide-in {
    from { transform: translateX(28px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
  }
}

.detail-head {
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.detail-head-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.detail-title {
  font-size: 22px;
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 600;
  padding-right: 8px;
}
.close-detail {
  flex: none;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--muted);
  transition: color 0.14s, border-color 0.14s, transform 0.14s;
}
.close-detail:hover { color: var(--ink); border-color: var(--ink); }
.close-detail:active { transform: scale(0.96); }

.detail-body {
  padding: 22px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.detail-section h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  font-weight: 500;
  margin-bottom: 12px;
}
.detail-prose p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink);
}
.detail-prose p:last-child { margin-bottom: 0; }
.detail-prose .outcome {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  background: var(--accent-weak);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink);
}
.detail-prose .outcome strong { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); display: block; margin-bottom: 6px; font-weight: 600; }

/* meta grid */
.detail-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.meta-cell {
  background: var(--surface);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.meta-cell .k {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--faint);
}
.meta-cell .v { font-size: 15px; color: var(--ink); font-weight: 600; display: flex; align-items: center; gap: 8px; }
.meta-cell .v.is-mono { font-family: var(--font-mono); font-weight: 500; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--muted);
}

/* status control */
.status-control-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--surface-2);
}
.status-control-block > label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  font-weight: 500;
  display: block;
  margin-bottom: 12px;
}
.status-control-block select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 46px;
  padding: 0 40px 0 14px;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.16s, box-shadow 0.16s;
}
.status-control-block select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.status-control-wrap { position: relative; }
.status-control-wrap .select-chev { right: 14px; bottom: 15px; }
.status-feedback {
  margin-top: 12px;
  min-height: 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--accent);
  opacity: 0;
  transform: translateY(-3px);
  transition: opacity 0.2s, transform 0.2s;
}
.status-feedback.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 24px);
  background: var(--ink);
  color: var(--bg);
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 600;
  z-index: 60;
  box-shadow: var(--shadow);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.22s, transform 0.22s;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
@media (prefers-reduced-motion: reduce) {
  .toast, .detail, .row-open, .open-cue, .close-detail, .theme-toggle { transition: none !important; animation: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .status-meter { display: none; }
  .controls { grid-template-columns: 1fr auto; }
}
@media (max-width: 680px) {
  :root { --row-pad: 15px; }
  .topbar-inner { height: 58px; padding: 0 16px; }
  .brand-sub { display: none; }
  .controls { grid-template-columns: 1fr; padding: 12px 16px 16px; gap: 10px; }
  .field-filter select { width: 100%; }
  .main-inner { padding: 4px 16px 80px; }
  .row-open { padding: var(--row-pad) 12px var(--row-pad) 18px; grid-template-columns: 1fr; gap: 12px; }
  .row-aside { justify-content: space-between; padding-top: 4px; border-top: 1px dashed var(--line); margin-top: 2px; padding-top: 10px; }
  .row-meta { gap: 0; }
  .meta-bit { padding: 0 9px; }
  .row-title { font-size: 16px; }
  .detail { width: 100%; }
  .detail-head { padding: 16px 16px 14px; }
  .detail-body { padding: 16px; gap: 22px; }
  .detail-title { font-size: 20px; }
  .detail-meta { grid-template-columns: 1fr; }
}

/* High-contrast focus for keyboard users */
@media (prefers-contrast: more) {
  :root { --line-strong: var(--faint); }
}