:root {
  color-scheme: light;
  --bg: #f4f3ef;
  --surface: #ffffff;
  --surface-muted: #f8f7f4;
  --border: #ddd8cd;
  --ink: #23211d;
  --ink-soft: #5c5850;
  --ink-faint: #6b655a;
  --accent: #a45c2b;
  --accent-ink: #ffffff;
  --accent-soft: #f3e3d3;
  --focus: #1d4ed8;
  --todo: #6b7280;
  --todo-bg: #eef0f2;
  --progress: #b5730f;
  --progress-bg: #fbeed7;
  --blocked: #b13c3c;
  --blocked-bg: #fbe4e2;
  --done: #2f7a4f;
  --done-bg: #e2f1e7;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 7px;
  --shadow: 0 8px 24px -12px rgba(35, 33, 29, 0.25);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Iowan Old Style', 'Palatino Linotype', Georgia, 'Times New Roman', serif;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: 'Avenir Next', 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

button,
select,
input {
  font-family: inherit;
}

@media (prefers-reduced-motion: no-preference) {
  .item,
  .detail-panel,
  .toast {
    transition: transform 0.15s ease, opacity 0.15s ease, background-color 0.15s ease;
  }
}

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

a {
  color: var(--accent);
}

/* ---------- App shell ---------- */

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: linear-gradient(155deg, var(--accent), #7a4520);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-mark svg {
  width: 22px;
  height: 22px;
}

.brand-text h1 {
  font-size: 1.25rem;
  color: var(--ink);
}

.brand-text p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--ink-faint);
  font-family: 'Avenir Next', system-ui, sans-serif;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.header-stats {
  display: flex;
  gap: 22px;
  font-family: 'Avenir Next', system-ui, sans-serif;
}

.stat {
  text-align: right;
}

.stat .stat-num {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

.stat .stat-label {
  font-size: 0.68rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.app-main {
  flex: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---------- Toolbar ---------- */

.toolbar {
  display: flex;
  gap: 14px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-family: 'Avenir Next', system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.search-field {
  flex: 1 1 260px;
  position: relative;
}

.search-field svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--ink-faint);
  pointer-events: none;
}

#search {
  width: 100%;
  padding: 10px 14px 10px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  font-size: 0.95rem;
  color: var(--ink);
}

#filter {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  font-size: 0.95rem;
  color: var(--ink);
  min-width: 170px;
}

#search:focus,
#filter:focus {
  border-color: var(--accent);
}

.result-summary {
  font-size: 0.85rem;
  color: var(--ink-faint);
  font-family: 'Avenir Next', system-ui, sans-serif;
}

/* ---------- List ---------- */

.list-wrap {
  position: relative;
}

.item-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.item-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.status-badge {
  font-family: 'Avenir Next', system-ui, sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.status-todo {
  background: var(--todo-bg);
  color: var(--todo);
}

.status-in-progress {
  background: var(--progress-bg);
  color: var(--progress);
}

.status-blocked {
  background: var(--blocked-bg);
  color: var(--blocked);
}

.status-done {
  background: var(--done-bg);
  color: var(--done);
}

.priority-flag {
  font-size: 0.68rem;
  font-family: 'Avenir Next', system-ui, sans-serif;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.priority-flag.priority-high {
  color: var(--blocked);
}

.item-title {
  font-size: 1.02rem;
  line-height: 1.35;
  color: var(--ink);
}

.open-item {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
  width: 100%;
}

.open-item::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.item-summary {
  font-size: 0.87rem;
  color: var(--ink-soft);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--ink-faint);
  font-family: 'Avenir Next', system-ui, sans-serif;
  margin-top: auto;
}

.item-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.tag-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  background: var(--surface-muted);
  border: 1px solid var(--border);
  color: var(--ink-soft);
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 999px;
  font-family: 'Avenir Next', system-ui, sans-serif;
}

/* ---------- Empty state ---------- */

.empty-state {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--ink-soft);
}

.empty-state svg {
  width: 40px;
  height: 40px;
  color: var(--ink-faint);
}

.empty-state h2 {
  font-size: 1.05rem;
  color: var(--ink);
}

.empty-state button {
  margin-top: 6px;
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-family: 'Avenir Next', system-ui, sans-serif;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
}

.hidden {
  display: none !important;
}

/* ---------- Detail overlay ---------- */

.detail-overlay {
  position: fixed;
  inset: 0;
  background: rgba(35, 33, 29, 0.42);
  display: flex;
  justify-content: flex-end;
  z-index: 100;
}

.detail-panel {
  background: var(--surface);
  width: min(480px, 100%);
  height: 100%;
  overflow-y: auto;
  padding: 26px;
  box-shadow: -12px 0 30px -14px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.close-detail {
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  color: var(--ink-soft);
}

.close-detail:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.close-detail svg {
  width: 16px;
  height: 16px;
}

.detail-title {
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--ink);
}

.detail-project {
  font-family: 'Avenir Next', system-ui, sans-serif;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 6px;
  display: block;
}

.detail-status-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.detail-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.detail-field label {
  font-family: 'Avenir Next', system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

#status-control {
  padding: 9px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.92rem;
  font-family: 'Avenir Next', system-ui, sans-serif;
  min-width: 160px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
}

.detail-grid dt {
  font-family: 'Avenir Next', system-ui, sans-serif;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  margin: 0;
}

.detail-grid dd {
  margin: 2px 0 0;
  font-size: 0.92rem;
  color: var(--ink);
}

.detail-body {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--ink-soft);
  white-space: pre-wrap;
}

.detail-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.feedback-toast {
  font-family: 'Avenir Next', system-ui, sans-serif;
  font-size: 0.85rem;
  background: var(--done-bg);
  color: var(--done);
  border: 1px solid var(--done);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feedback-toast.hidden {
  display: none !important;
}

.feedback-toast svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .app-header {
    padding: 14px 16px;
  }

  .header-stats {
    display: none;
  }

  .app-main {
    padding: 16px;
    gap: 16px;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-field,
  #filter {
    width: 100%;
  }

  .item-list {
    grid-template-columns: 1fr;
  }

  .detail-panel {
    width: 100%;
    padding: 20px;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}