:root {
  --bg: #f3f1ec;
  --surface: #fbfaf7;
  --ink: #17191c;
  --muted: #5e6168;
  --rule: #d8d4ca;
  --accent: #1f5c4a;
  --accent-ink: #ffffff;
  --focus: #1f5c4a;

  --font-serif: ui-serif, Georgia, "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;

  --radius: 6px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: clip;
}

body {
  min-height: 100vh;
}

h1,
h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

p {
  margin: 0;
}

dl {
  margin: 0;
}

dd {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: var(--s-4);
  top: -100px;
  padding: var(--s-3) var(--s-4);
  background: var(--ink);
  color: var(--surface);
  z-index: 10;
}

.skip-link:focus-visible {
  top: var(--s-2);
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding-block: var(--s-4);
  padding-inline: clamp(var(--s-4), 4vw, var(--s-7));
  border-bottom: 1px solid var(--ink);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: var(--ink);
  color: var(--surface);
  font-family: var(--font-serif);
  font-size: 22px;
  border-radius: var(--radius);
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.masthead-meta {
  font-size: 14px;
  color: var(--muted);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: var(--s-7);
  padding-block: var(--s-7) var(--s-8);
  padding-inline: clamp(var(--s-4), 4vw, var(--s-7));
}

.ledger-head {
  padding-block-end: var(--s-5);
}

.ledger-head .title {
  margin-block-start: var(--s-2);
  font-size: clamp(44px, 6vw, 84px);
}

.controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: var(--s-4);
  padding-block: var(--s-5);
  border-block: 1px solid var(--rule);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.field label,
.status-block label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

input[type="search"],
select {
  width: 100%;
  min-height: 48px;
  padding: var(--s-3) var(--s-4);
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

input[type="search"]::placeholder {
  color: var(--muted);
}

input[type="search"]:focus,
select:focus {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

input[type="search"]:focus-visible,
select:focus-visible,
button:focus-visible,
.row-open:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.result-line {
  padding-block: var(--s-4);
  font-size: 14px;
  color: var(--muted);
}

.rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-block-start: 1px solid var(--ink);
}

.row {
  border-block-end: 1px solid var(--rule);
}

.row-open {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--s-4);
  width: 100%;
  min-height: 56px;
  padding-block: var(--s-4);
  padding-inline: var(--s-2);
  margin-inline: calc(var(--s-2) * -1);
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  color: inherit;
  font: inherit;
  text-align: start;
  cursor: pointer;
  transition: background-color 200ms var(--ease), transform 200ms var(--ease);
}

.row-open:active {
  transform: scale(0.99);
}

@media (hover: hover) and (pointer: fine) {
  .row-open:hover {
    background: var(--surface);
  }

  .row-open:hover .row-title {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
  }
}

.row-id {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.row-main {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
  min-width: 0;
}

.row-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.row-meta {
  font-size: 14px;
  color: var(--muted);
}

.row-status {
  justify-self: end;
  white-space: nowrap;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 14px;
  font-weight: 600;
}

.status::before {
  content: "";
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-radius: 50%;
  flex: none;
}

.status-in-progress::before {
  background: linear-gradient(90deg, currentColor 50%, transparent 50%);
}

.status-blocked::before {
  border-radius: 2px;
  border-width: 2px;
  background: currentColor;
}

.status-done::before {
  background: currentColor;
}

.status-blocked {
  color: #8a2b14;
}

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

.empty {
  margin-block-start: var(--s-6);
  padding: var(--s-6);
  border: 1px dashed var(--muted);
  border-radius: var(--radius);
  background: var(--surface);
}

.empty[hidden] {
  display: none;
}

.empty-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  margin-block-end: var(--s-2);
}

.empty p + p {
  color: var(--muted);
  margin-block-end: var(--s-4);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--s-3) var(--s-5);
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: background-color 200ms var(--ease), color 200ms var(--ease), transform 200ms var(--ease);
}

.btn:active {
  transform: scale(0.97);
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: transparent;
  padding-inline: var(--s-3);
}

@media (hover: hover) and (pointer: fine) {
  input[type="search"]:hover,
  select:hover {
    border-color: var(--accent);
  }

  .btn-secondary:hover {
    background: var(--ink);
    color: var(--surface);
  }

  .btn-ghost:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
  }
}

.legend {
  align-self: start;
  position: sticky;
  top: var(--s-5);
  padding-block-start: var(--s-5);
  border-block-start: 1px solid var(--ink);
}

.legend-list {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  margin-block-start: var(--s-4);
}

.legend-list dt {
  font-weight: 600;
}

.legend-list dd {
  font-size: 14px;
  color: var(--muted);
}

/* Detail view */

.detail {
  inset: 0 0 0 auto;
  width: min(560px, 100vw);
  height: 100vh;
  height: 100dvh;
  max-width: 100vw;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  border-inline-start: 1px solid var(--ink);
  background: var(--bg);
  color: var(--ink);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.detail[open] {
  animation: sheet-in 250ms var(--ease) both;
}

.detail::backdrop {
  background: rgb(23 25 28 / 0.35);
}

.detail-inner {
  padding: var(--s-5);
  padding-block-start: var(--s-4);
}

.detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding-block-end: var(--s-4);
  border-block-end: 1px solid var(--rule);
}

.detail-title {
  margin-block-start: var(--s-5);
  font-size: clamp(30px, 4vw, 40px);
  overflow-wrap: anywhere;
}

.detail-id {
  margin-block-start: var(--s-2);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
  margin-block-start: var(--s-6);
  padding-block: var(--s-5);
  border-block: 1px solid var(--rule);
}

.facts dt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.facts dd {
  font-size: 16px;
  font-weight: 500;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-block-start: var(--s-4);
}

.tag {
  padding: var(--s-1) var(--s-3);
  font-size: 13px;
  border: 1px solid var(--muted);
  border-radius: 999px;
}

.status-block {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  margin-block-start: var(--s-6);
}

.status-block select {
  max-width: 280px;
}

.status-feedback {
  min-height: 24px;
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
}

.body {
  margin-block-start: var(--s-5);
  font-size: 17px;
  line-height: 1.65;
  max-width: 62ch;
  white-space: pre-line;
}

.body p + p {
  margin-block-start: var(--s-4);
}

.flash {
  animation: flash-in 250ms var(--ease) both;
}

@keyframes sheet-in {
  from {
    opacity: 0;
    transform: translateX(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes flash-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Responsive */

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-6);
  }

  .legend {
    position: static;
  }
}

@media (max-width: 600px) {
  .masthead-meta {
    font-size: 13px;
  }

  .workspace {
    padding-block: var(--s-6) var(--s-8);
    padding-inline: var(--s-4);
  }

  .controls {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-4);
  }

  .row-open {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-2);
  }

  .row-status {
    justify-self: start;
  }

  .detail {
    width: 100vw;
    border-inline-start: 0;
  }

  .detail-inner {
    padding: var(--s-4);
    padding-block-start: var(--s-3);
  }

  .status-block select {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .row-open:active,
  .btn:active {
    transform: none;
  }
}