:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --paper: #f3f2ec;
  --surface: #fbfaf6;
  --ink: #15271e;
  --muted: #647267;
  --line: #b8c2b8;
  --line-strong: #263e32;
  --forest: #1c6249;
  --forest-deep: #154b39;
  --mint: #e0ece3;
  --lime: #d6ea76;
  --warning: #b76535;
  --done: #476f5a;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

button,
input,
select {
  border-radius: 0;
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled {
  cursor: not-allowed;
}

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

.topbar {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5.5vw, 88px);
  border-bottom: 1px solid var(--line-strong);
  background: var(--surface);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--lime);
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
}

.brand-name,
.brand-context,
.topbar-meta,
.eyebrow,
.note-label,
.lane-index,
.lane-count,
.page-footer,
.create-footer {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
}

.brand-name {
  font-size: 12px;
  letter-spacing: .16em;
}

.brand-divider {
  width: 1px;
  height: 18px;
  margin: 0 2px;
  background: var(--line);
}

.brand-context {
  color: var(--muted);
}

.topbar-meta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
}

.live-dot {
  width: 7px;
  height: 7px;
  border: 1px solid var(--forest-deep);
  background: var(--lime);
}

.page {
  width: min(1220px, calc(100% - 40px));
  margin: 0 auto;
  padding: 52px 0 24px;
}

.intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 34px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--forest);
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(38px, 6vw, 58px);
  line-height: 1;
  letter-spacing: -.055em;
  font-weight: 660;
}

.intro-copy {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.intro-note {
  display: grid;
  gap: 8px;
  min-width: 190px;
  padding: 12px 0 2px 16px;
  border-left: 2px solid var(--forest);
  color: var(--muted);
  font-size: 13px;
}

.note-label {
  color: var(--ink);
}

.create-panel {
  display: grid;
  grid-template-columns: minmax(195px, .8fr) 1.8fr;
  align-items: center;
  gap: 8px 28px;
  padding: 21px 24px 15px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.create-heading .eyebrow {
  margin-bottom: 7px;
}

.create-heading h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 620;
}

.create-form {
  display: flex;
  gap: 9px;
}

.create-form input,
.edit-form input {
  min-width: 0;
  height: 44px;
  flex: 1;
  border: 1px solid var(--line);
  padding: 0 13px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
}

.create-form input::placeholder,
.edit-form input::placeholder {
  color: #89958c;
}

.button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--line-strong);
  padding: 0 14px;
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
}

.button-primary {
  min-width: 112px;
  background: var(--forest);
  color: #fff;
}

.button-primary span {
  font-size: 17px;
  font-weight: 400;
}

.button-primary:hover:not(:disabled) {
  background: var(--forest-deep);
}

.button-quiet {
  min-height: 30px;
  border-color: var(--line);
  padding: 0 9px;
  background: transparent;
  color: var(--ink);
  font-size: 11px;
}

.button-danger {
  color: #9b4d2c;
}

.button:disabled {
  opacity: .48;
}

.create-footer {
  grid-column: 2;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .07em;
}

.limit-note {
  white-space: nowrap;
}

.notice {
  margin: 13px 0 0;
  border: 1px solid var(--warning);
  padding: 11px 14px;
  background: #f8e9de;
  color: #713d22;
  font-size: 13px;
}

.notice[hidden] {
  display: none;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.lane {
  min-height: 300px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.lane-header {
  min-height: 57px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 0 15px;
}

.lane-title-group {
  display: flex;
  align-items: center;
  gap: 11px;
}

.lane-index {
  color: var(--forest);
  font-size: 9px;
}

.lane-header h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 650;
}

.lane-count {
  min-width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0;
}

.lane-body {
  display: grid;
  align-content: start;
  gap: 9px;
  padding: 10px;
}

.task-card {
  border: 1px solid var(--line);
  padding: 13px;
  background: #fff;
}

.task-card[data-status="doing"] {
  border-left: 3px solid #bd7b40;
}

.task-card[data-status="done"] {
  border-left: 3px solid var(--done);
}

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

.task-title {
  overflow-wrap: anywhere;
  margin: 1px 0 14px;
  font-size: 13px;
  line-height: 1.45;
  font-weight: 560;
}

.task-number {
  color: #819087;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 9px;
  letter-spacing: .08em;
  white-space: nowrap;
}

.task-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 7px;
  border-top: 1px solid #e5e9e4;
  padding-top: 9px;
}

.task-controls select {
  min-width: 92px;
  height: 30px;
  border: 1px solid var(--line);
  padding: 0 25px 0 8px;
  background: var(--paper);
  color: var(--ink);
  font-size: 11px;
}

.task-actions {
  display: flex;
  gap: 5px;
}

.edit-form {
  display: grid;
  gap: 8px;
}

.edit-form input {
  height: 38px;
  padding: 0 9px;
}

.edit-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}

.lane-empty {
  display: none;
  margin: 0;
  padding: 21px 15px;
  color: #88948b;
  font-size: 12px;
  line-height: 1.5;
}

.lane-empty.is-visible {
  display: block;
}

.page-footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .07em;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

@media (max-width: 780px) {
  .page {
    width: min(100% - 32px, 620px);
    padding-top: 36px;
  }

  .intro {
    align-items: flex-start;
  }

  .intro-note {
    display: none;
  }

  .create-panel {
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 18px;
  }

  .create-footer {
    grid-column: 1;
  }

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

  .lane {
    min-height: 180px;
  }
}

@media (max-width: 460px) {
  .topbar {
    min-height: 58px;
    padding: 0 16px;
  }

  .brand {
    gap: 8px;
  }

  .brand-context {
    display: none;
  }

  .brand-divider {
    display: none;
  }

  .topbar-meta {
    font-size: 8px;
  }

  .page {
    width: calc(100% - 28px);
    padding-top: 30px;
  }

  .intro {
    padding-bottom: 24px;
  }

  h1 {
    font-size: 42px;
  }

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

  .button-primary {
    height: 42px;
  }

  .page-footer {
    flex-direction: column;
  }
}