:root {
  --paper: #f4f1ea;
  --surface: #ffffff;
  --ink: #1c2330;
  --muted: #55606e;
  --line: #d8d2c4;
  --control-line: #7d8592;
  --accent: #0d6b66;
  --accent-soft: #f2f8f7;
  --font-sans: "Avenir Next", "Segoe UI", "Helvetica Neue", system-ui, sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --radius: 12px;
}

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

[hidden] {
  display: none !important;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
}

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

.skip-link {
  position: absolute;
  left: 12px;
  top: -100px;
  z-index: 10;
  padding: 10px 14px;
  background: var(--surface);
  color: var(--ink);
  border-radius: 8px;
}

.skip-link:focus {
  top: 12px;
}

/* Header */

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  color: var(--accent);
  flex: none;
}

.brand-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.1;
}

.brand-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.status-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.summary-chip {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  font-size: 0.875rem;
}

.summary-chip dt {
  color: var(--muted);
}

.summary-chip dd {
  margin: 0;
  font-weight: 700;
}

/* Layout */

.workspace {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px;
}

.list-pane,
.detail-pane {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.detail-pane {
  display: none;
  margin-top: 16px;
}

.workspace[data-detail="open"] .detail-pane {
  display: block;
}

.workspace[data-detail="open"] .list-pane {
  display: none;
}

.detail-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.detail-placeholder p {
  margin: 0;
}

.workspace[data-detail="open"] .detail-placeholder {
  display: none;
}

@media (min-width: 960px) {
  .workspace {
    display: grid;
    grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 20px;
    padding: 24px;
  }

  .detail-pane,
  .workspace[data-detail="open"] .detail-pane {
    display: block;
    position: sticky;
    top: 24px;
    max-height: calc(100vh - 48px);
    overflow: auto;
    margin-top: 0;
  }

  .workspace[data-detail="open"] .list-pane {
    display: block;
  }
}

/* List */

.list-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 12px;
}

h1,
h2 {
  line-height: 1.25;
}

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
}

h1:focus {
  outline: none;
}

.result-count {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.controls {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}

@media (min-width: 560px) {
  .controls {
    grid-template-columns: minmax(0, 1fr) 200px;
  }
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-weight: 600;
}

.field input,
.field select {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--control-line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

.loading {
  margin: 16px 0;
  color: var(--muted);
}

.item-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.item-open {
  display: grid;
  gap: 8px;
  width: 100%;
  min-height: 44px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.item-open:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.item-open[aria-current="true"] {
  border-color: var(--accent);
  box-shadow: inset 4px 0 0 var(--accent);
}

.item-title {
  display: block;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.item-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  color: var(--muted);
  font-size: 0.875rem;
}

.empty-state {
  padding: 24px;
  border: 1px dashed var(--control-line);
  border-radius: 10px;
  text-align: center;
}

.empty-state h2 {
  margin: 0 0 8px;
  font-size: 1.125rem;
}

.empty-state p {
  margin: 0 0 16px;
  color: var(--muted);
}

/* Badges and buttons */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-todo {
  background: #e4e7ec;
  color: #303a48;
}

.badge-in-progress {
  background: #d9ebfb;
  color: #17497a;
}

.badge-blocked {
  background: #fbe0dc;
  color: #8c2a1d;
}

.badge-done {
  background: #d8efe0;
  color: #1d5a33;
}

.btn {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--control-line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

/* Detail */

.detail-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.detail-title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  font-weight: 400;
  overflow-wrap: anywhere;
}

.detail-title:focus {
  outline: none;
}

.detail-status {
  margin-bottom: 16px;
}

.detail-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
  margin: 0 0 16px;
}

.detail-facts dt {
  color: var(--muted);
  font-size: 0.875rem;
}

.detail-facts dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 2px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.875rem;
}

.status-field {
  display: grid;
  gap: 6px;
  max-width: 320px;
}

.status-field label {
  font-weight: 600;
}

.status-field select {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--control-line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

.feedback {
  min-height: 1.5em;
  margin: 8px 0 0;
  color: var(--accent);
  font-weight: 600;
}

.detail-body {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.detail-body p {
  max-width: 68ch;
  margin: 0 0 12px;
}

@media (max-width: 559px) {
  .detail-facts {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}