:root {
  --bg: #1e1f22;
  --panel: #23252a;
  --line: #363941;
  --text: #e4e8ef;
  --muted: #9aa3b1;
  --accent: #8f6fff;
  --done: #b7c0d0;
  --danger: #f87171;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 20px 90px;
}

.hidden {
  display: none !important;
}

.auth,
.panel,
.filters,
.modal-panel,
.checklist-section,
.topbar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.auth {
  max-width: 480px;
  padding: 16px;
  margin: 10vh auto 0;
}

h1,
h2,
h3 {
  margin: 0 0 8px;
  font-weight: 700;
}

h2 { font-size: 18px; }
h3 { font-size: 33px; margin-bottom: 12px; }

.muted,
.meta {
  color: var(--muted);
  margin: 0;
}

.stats {
  display: flex;
  gap: 14px;
  margin-top: 8px;
  font-size: 14px;
}

.stack {
  display: grid;
  gap: 12px;
}

.topbar {
  padding: 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.filters {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.2fr auto;
  gap: 8px;
  padding: 10px;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  background: #1b1d22;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  background: var(--accent);
  color: white;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
}

button.secondary {
  background: #2a2d34;
  color: var(--text);
  border-color: var(--line);
}

.inline-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  margin-top: 10px;
}

.share-row {
  display: grid;
  grid-template-columns: 1fr 2fr auto auto;
  gap: 8px;
  align-items: center;
}

.share-meta {
  color: var(--muted);
  font-size: 12px;
}

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

.chips span {
  background: #1a1d24;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 9px;
  color: var(--muted);
  font-size: 12px;
}

.checklist-section {
  padding: 12px;
  text-align: left !important;
  width: 100%;
  margin: 0;
}

#checklistRoot {
  display: block !important;
  text-align: left !important;
}

#checklistRoot .tree,
#checklistRoot .tree ul {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: left !important;
  width: 100%;
}

#checklistRoot .tree > li,
#checklistRoot .tree ul > li {
  display: block;
  width: 100%;
}

#checklistRoot .tree ul {
  margin-left: 24px;
  padding-left: 16px;
  border-left: 1px solid #3f4652;
}

#checklistRoot .item {
  padding: 4px 0;
  margin: 2px 0;
  text-align: left !important;
  width: 100%;
}

.item.context-only {
  opacity: 0.85;
}

#checklistRoot .item-row {
  display: flex;
  align-items: center;
  justify-content: flex-start !important;
  gap: 8px;
  width: 100% !important;
}

#checklistRoot .item-row label {
  display: flex;
  align-items: center;
  justify-content: flex-start !important;
  gap: 8px;
  flex: 1 1 auto !important;
  text-align: left !important;
  min-width: 0 !important;
}

#checklistRoot .item .text {
  display: inline-block;
  width: 100%;
  line-height: 1.5;
  text-align: left !important;
}

#checklistRoot .item-row button {
  margin-left: auto;
}

#checklistRoot .item-row .danger-icon {
  margin-left: 0;
  background: transparent;
  border: 1px solid var(--line);
  color: #ff9d9d;
  padding: 6px 9px;
  line-height: 1;
}

#checklistRoot .item-row .danger-icon:hover {
  border-color: #f87171;
  color: #fecaca;
}

.item.done .text {
  color: var(--done);
  text-decoration: line-through;
}

.small-form {
  display: flex;
  gap: 6px;
  margin: 6px 0 4px 28px;
}

.small-form input {
  flex: 1;
}

.add-btn {
  position: fixed;
  left: 20px;
  bottom: 18px;
  z-index: 20;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: grid;
  place-items: center;
  padding: 12px;
}

.modal-panel {
  width: min(560px, 100%);
  padding: 12px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.error {
  color: var(--danger);
  min-height: 18px;
  margin: 8px 0 0;
}

@media (max-width: 900px) {
  .filters {
    grid-template-columns: 1fr 1fr;
  }

  .filters button {
    grid-column: span 2;
  }

  .inline-form {
    grid-template-columns: 1fr;
  }

  .share-row {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
  }
}