:root {
  --bg: #f4f1ec;
  --panel: #fffdf8;
  --panel-2: #f8faf8;
  --text: #23211d;
  --muted: #6f6a61;
  --line: #d9d2c7;
  --accent: #186f65;
  --accent-2: #9b5a2e;
  --danger: #9c3d3d;
  --ok: #3f7a3f;
  --shadow: 0 10px 24px rgba(35, 33, 29, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.45;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
select,
input,
textarea {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}

button {
  min-height: 36px;
  padding: 7px 12px;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

button.active,
.chip input:checked + span,
.rating input:checked + span {
  border-color: var(--accent);
  background: #e7f1ee;
  color: #0c4f47;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 28px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.86);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
}

.header-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent-2);
  font-size: 13px;
}

h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0;
}

.field-label {
  color: var(--muted);
  font-size: 13px;
}

.field-hint {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

main {
  width: min(1440px, calc(100vw - 32px));
  margin: 18px auto 40px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 300px) 1fr auto;
  align-items: end;
  gap: 14px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.assignment-box {
  display: grid;
  gap: 3px;
  min-height: 44px;
}

.assignment-box strong {
  font-size: 16px;
}

.assignment-box span {
  color: var(--muted);
  font-size: 13px;
}

.assignment-box .seed-text {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.progress-box {
  min-height: 38px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}

.progress-track {
  width: min(220px, 24vw);
  height: 8px;
  background: #e6ded2;
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--ok));
}

.export-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 8px;
}

.export-actions button {
  background: #fbfaf7;
}

.export-actions .ghost {
  color: var(--danger);
}

.brief {
  margin: 14px 0;
  padding: 12px 14px;
  border-left: 4px solid var(--accent);
  background: #fffaf0;
  color: #4d473f;
  border-radius: 0 8px 8px 0;
}

.brief h2 {
  margin: 0 0 6px;
  font-size: 16px;
}

.brief p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.brief .public-mode-note {
  margin-top: 8px;
  color: #7a4c1f;
  font-weight: 600;
}

.rule-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.rule-grid div {
  display: grid;
  gap: 3px;
  padding: 10px;
  border: 1px solid rgba(24, 111, 101, 0.22);
  border-radius: 8px;
  background: #fbfdf8;
}

.rule-grid strong {
  font-size: 14px;
}

.rule-grid span {
  color: var(--muted);
  font-size: 13px;
}

.content {
  display: grid;
  gap: 18px;
}

.item-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: visible;
}

.item-card.done {
  border-color: rgba(63, 122, 63, 0.55);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  background: #f8f5ef;
  border-bottom: 1px solid var(--line);
}

.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title h3 {
  margin: 0;
  font-size: 17px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #fff;
  font-size: 13px;
  white-space: nowrap;
}

.status-pill.done {
  color: #285d2b;
  border-color: rgba(63, 122, 63, 0.45);
  background: #ecf5e9;
}

.card-grid {
  display: grid;
  grid-template-columns: minmax(300px, 42%) 1fr;
  gap: 16px;
  padding: 14px;
}

.image-shell {
  display: grid;
  gap: 10px;
  position: sticky;
  top: 132px;
  align-self: start;
  z-index: 4;
}

.image-button {
  width: 100%;
  padding: 0;
  background: #ece8df;
  border: 1px solid var(--line);
  overflow: hidden;
  cursor: zoom-in;
}

.image-button img {
  display: block;
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  background: #ece8df;
}

.image-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.form-panel {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

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

.chip {
  display: inline-flex;
}

.chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.chip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  min-width: 76px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font-size: 13px;
}

.element-chip span {
  justify-content: flex-start;
  min-width: 0;
  width: 100%;
}

.chip.danger input:checked + span {
  border-color: var(--danger);
  background: #f8e9e6;
  color: var(--danger);
}

.element-groups {
  display: grid;
  gap: 12px;
}

.element-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.element-group h4 {
  margin: 0;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  background: #f8f5ef;
  font-size: 14px;
}

.element-group .element-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 1fr));
  gap: 8px;
  padding: 10px;
}

.bottom-confirm {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(24, 111, 101, 0.22);
  border-radius: 8px;
  background: #f5fbf8;
}

.bottom-confirm div {
  display: grid;
  gap: 3px;
}

.bottom-confirm strong {
  font-size: 14px;
}

.bottom-confirm span {
  color: var(--muted);
  font-size: 13px;
}

.bottom-confirm button {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  white-space: nowrap;
}

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

textarea {
  width: 100%;
  min-height: 64px;
  resize: vertical;
  padding: 8px 10px;
}

.hidden {
  display: none !important;
}

#imageDialog {
  width: min(96vw, 1200px);
  max-height: 94vh;
  padding: 12px;
  border: 0;
  border-radius: 8px;
  background: #111;
}

#imageDialog::backdrop {
  background: rgba(0, 0, 0, 0.72);
}

#dialogImage {
  display: block;
  width: 100%;
  max-height: calc(94vh - 64px);
  object-fit: contain;
}

.dialog-close {
  float: right;
  margin-bottom: 8px;
  color: #fff;
  background: #333;
  border-color: #555;
}

@media (max-width: 1060px) {
  .toolbar {
    grid-template-columns: 1fr 1fr;
  }

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

  .export-actions {
    justify-content: start;
  }

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

  .image-shell {
    top: 84px;
    margin: -14px -14px 8px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 253, 248, 0.94);
    backdrop-filter: blur(12px);
    z-index: 8;
  }

  .image-button img {
    max-height: 34vh;
  }

  .element-group .element-grid {
    grid-template-columns: repeat(2, minmax(140px, 1fr));
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
    padding: 16px;
  }

  main {
    width: calc(100vw - 20px);
    margin-top: 10px;
  }

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

  .export-actions {
    width: 100%;
  }

  .export-actions button {
    flex: 1;
  }

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

  .image-shell {
    top: 112px;
  }

  .image-button img {
    max-height: 28vh;
  }

  .element-group .element-grid {
    grid-template-columns: 1fr;
  }
}