:root {
  --cream: #efe9d9;
  --cream-2: #e4dcc4;
  --ink: #0f0f0f;
  --ink-2: #2a2a2a;
  --green: #1f8a4c;
  --pink: #f06ca8;
  --orange: #e85a1f;
  --yellow: #f5c518;
  --blue: #2e73ff;
  --shadow: 10px 10px 0 var(--ink);
  --border: 4px solid var(--ink);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: "Bahnschrift", "Microsoft YaHei", "Segoe UI", sans-serif;
}

.studio-shell {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(245, 197, 24, 0.24), transparent 28%),
    radial-gradient(circle at top right, rgba(240, 108, 168, 0.16), transparent 22%),
    var(--cream);
}

.studio-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: var(--border);
  background: rgba(239, 233, 217, 0.96);
  backdrop-filter: blur(8px);
}

.studio-title {
  font-size: 18px;
  font-weight: 900;
}

.studio-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.status-pill {
  border: 3px solid var(--ink);
  background: var(--cream);
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 800;
}

.status-pill.success {
  background: #d8f0df;
}

.status-pill.warn {
  background: #ffe7b0;
}

.status-pill.error {
  background: #ffd0d0;
}

.page {
  max-width: 1760px;
  margin: 0 auto;
  padding: 28px 28px 40px;
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.95fr;
  gap: 20px;
  margin-bottom: 24px;
}

.panel {
  background: var(--cream);
  border: var(--border);
  box-shadow: var(--shadow);
}

.title-panel {
  padding: 22px 24px 20px;
}

.kicker {
  display: inline-block;
  padding: 6px 10px;
  margin-bottom: 14px;
  border: var(--border);
  background: var(--yellow);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 10px;
  font-size: 52px;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.subtitle {
  margin: 0;
  max-width: 760px;
  font-size: 18px;
  line-height: 1.5;
}

.readonly-note {
  margin-top: 16px;
  padding: 10px 12px;
  border: 3px solid var(--ink);
  background: rgba(245, 197, 24, 0.22);
  font-size: 14px;
  line-height: 1.5;
}

.share-link {
  color: inherit;
  font-weight: 900;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

button,
.button-link {
  appearance: none;
  border: var(--border);
  background: var(--cream);
  color: var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
  padding: 10px 14px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

button:hover,
.button-link:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink);
}

.button-link.primary,
button.primary {
  background: var(--blue);
  color: #fff;
}

.button-link.orange,
button.orange {
  background: var(--orange);
  color: #fff;
}

.button-link.green,
button.green {
  background: var(--green);
  color: #fff;
}

.meta-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--orange);
}

.meta-head {
  padding: 18px 20px 12px;
  border-bottom: var(--border);
  background: var(--pink);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  min-height: 138px;
  padding: 18px 18px 16px;
  border-right: var(--border);
  border-bottom: var(--border);
  background: var(--cream);
}

.stat:nth-child(4n) {
  border-right: 0;
}

.stat:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.stat-label {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-value {
  margin-top: 12px;
  font-size: 42px;
  line-height: 1;
  font-weight: 900;
}

.stat-note {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--ink-2);
}

.middle {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 18px;
  margin-bottom: 24px;
}

.stack-panel {
  background: var(--cream);
  border: var(--border);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-rows: auto 1fr;
}

.stack-head {
  border-bottom: var(--border);
  padding: 12px 16px;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.stack-head.green {
  background: var(--green);
  color: var(--cream);
}

.stack-head.orange {
  background: var(--orange);
  color: var(--cream);
}

.stack-head.yellow {
  background: var(--yellow);
}

.stack-body {
  padding: 14px 16px 18px;
  display: grid;
  gap: 10px;
}

.bullet {
  border: 3px solid var(--ink);
  background: var(--cream);
  padding: 10px 12px;
  font-size: 15px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.bullet[contenteditable="true"],
.editable-chip[contenteditable="true"],
.editable-title[contenteditable="true"],
.field-value[contenteditable="true"] {
  outline: none;
}

.bullet[contenteditable="true"]:focus,
.editable-chip[contenteditable="true"]:focus,
.editable-title[contenteditable="true"]:focus,
.field-value[contenteditable="true"]:focus {
  background: #fffaf0;
}

.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.lane {
  background: var(--cream);
  border: var(--border);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 760px;
}

.lane-head {
  border-bottom: var(--border);
  padding: 14px 16px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lane-title {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.lane-count {
  min-width: 54px;
  padding: 4px 8px;
  text-align: center;
  border: var(--border);
  background: var(--cream);
  color: var(--ink);
  font-size: 20px;
  font-weight: 900;
}

.lane[data-status="进行中"] .lane-head {
  background: var(--green);
  color: var(--cream);
}

.lane[data-status="未开始"] .lane-head {
  background: var(--cream-2);
}

.lane[data-status="待决策"] .lane-head {
  background: var(--yellow);
}

.lane[data-status="已完成"] .lane-head {
  background: var(--pink);
}

.lane-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background:
    linear-gradient(var(--ink), var(--ink)) left top / 100% 4px no-repeat,
    var(--cream);
}

.card {
  border: var(--border);
  background: var(--cream);
  box-shadow: 6px 6px 0 var(--ink);
  padding: 12px;
  display: grid;
  gap: 10px;
}

.card-top {
  display: grid;
  grid-template-columns: 68px 1fr auto;
  gap: 10px;
  align-items: start;
}

.editable-chip {
  border: var(--border);
  background: var(--ink);
  color: var(--cream);
  padding: 8px 8px 7px;
  text-align: center;
  font-weight: 900;
  font-size: 18px;
  line-height: 1;
}

.editable-title {
  min-height: 48px;
  padding: 8px 10px;
  border: var(--border);
  background: var(--cream);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.25;
}

.delete-btn {
  padding: 8px 10px;
  border: var(--border);
  background: var(--orange);
  color: var(--cream);
  box-shadow: none;
  min-width: 84px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border: 3px solid var(--ink);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.phase-tag {
  background: var(--cream-2);
}

.priority-tag[data-priority="高"] {
  background: var(--orange);
  color: var(--cream);
}

.priority-tag[data-priority="中"] {
  background: var(--yellow);
}

.card-grid {
  display: grid;
  gap: 8px;
}

.field {
  border: 3px solid var(--ink);
  background: var(--cream);
  padding: 8px 10px;
}

.field-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
  color: var(--ink-2);
}

.field-value {
  font-size: 15px;
  line-height: 1.45;
  min-height: 22px;
  white-space: pre-wrap;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

select,
input[type="range"] {
  width: 100%;
  font: inherit;
}

select {
  border: 3px solid var(--ink);
  background: var(--cream);
  padding: 8px 10px;
  font-weight: 800;
  outline: none;
}

.footer-note {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-2);
}

@media (max-width: 1480px) {
  .hero,
  .middle {
    grid-template-columns: 1fr;
  }

  .meta-grid,
  .board {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 980px) {
  .studio-bar,
  .page {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  h1 {
    font-size: 36px;
  }

  .card-top {
    grid-template-columns: 1fr;
  }
}