:root {
  --bg: #f7f4ea;
  --bg-2: #ece6d7;
  --panel: #fffdf7;
  --text: #2b241b;
  --muted: #7a6c58;
  --accent: #ce4a2f;
  --accent-2: #f0b66b;
  --ok: #2e6f4f;
  --danger: #a82727;
  --line: #decfb7;
  --shadow: 0 12px 30px rgba(59, 41, 21, 0.12);
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, #ffe7c2 0%, rgba(255, 231, 194, 0) 45%),
    linear-gradient(130deg, var(--bg) 10%, var(--bg-2) 100%);
  padding: 16px;
}

.app-shell {
  width: min(900px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.panel {
  background: color-mix(in srgb, var(--panel) 92%, #fff 8%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow);
}

#todo-form {
  display: grid;
  gap: 10px;
}

.field {
  display: grid;
  gap: 6px;
}

.field span {
  font-size: 0.83rem;
  color: var(--muted);
}

input[type="text"],
input[type="datetime-local"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  color: var(--text);
  background: #fffcf5;
  font-size: 1rem;
}

input:focus-visible,
button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 50%, #fff 50%);
  outline-offset: 2px;
}

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

.chip {
  border: 1px solid var(--line);
  background: #fff7e8;
  color: var(--text);
  border-radius: 999px;
  font-size: 0.82rem;
  padding: 7px 11px;
  cursor: pointer;
}

.chip:hover {
  background: #ffefcf;
}

.primary-btn {
  border: none;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(120deg, var(--accent), #e56d3e);
  cursor: pointer;
}

.primary-btn:hover {
  filter: brightness(0.97);
}

.overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.stat {
  background: #fff8eb;
  border: 1px solid var(--line);
  border-radius: 12px;
  text-align: center;
  padding: 10px 6px;
}

.k {
  display: block;
  font-size: 0.74rem;
  color: var(--muted);
}

.v {
  display: block;
  margin-top: 4px;
  font-size: 1.45rem;
  font-weight: 650;
}

.v.overdue {
  color: var(--danger);
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

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

.tab {
  border: 1px solid var(--line);
  background: #fff8eb;
  color: var(--text);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 0.82rem;
  cursor: pointer;
}

.tab.is-active {
  border-color: transparent;
  background: linear-gradient(120deg, var(--accent-2), #efc88f);
}

.text-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.83rem;
  cursor: pointer;
  padding: 4px;
}

.toolbar-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.sync-status {
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 8px;
  background: #fff8eb;
}

.sync-status.error {
  color: #8c5a53;
  border-color: #dab6af;
  background: #fff3f1;
}

.sync-status.ok {
  color: #487252;
  border-color: #b8d5c0;
  background: #f1fbf5;
}

.todo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.todo-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: #fffcf6;
}

.toggle-wrap {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 1px;
}

.toggle {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.mark {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
}

.toggle:checked + .mark {
  border-color: var(--ok);
  background:
    radial-gradient(circle at center, var(--ok) 0 40%, transparent 42%);
}

.title {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.35;
}

.meta {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

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

.field.field-compact {
  gap: 4px;
}

.field.field-compact span {
  font-size: 0.76rem;
}

.field.field-compact input[type="text"],
.field.field-compact input[type="datetime-local"] {
  padding: 9px 10px;
  font-size: 0.9rem;
}

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

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

.todo-item.overdue .meta {
  color: var(--danger);
}

.item-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
}

.todo-item.editing .title,
.todo-item.editing .meta {
  display: none;
}

.icon-btn {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 0.75rem;
  padding: 6px 9px;
  cursor: pointer;
}

.icon-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.icon-only {
  width: 34px;
  height: 34px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-btn:hover {
  color: color-mix(in srgb, var(--text) 75%, var(--muted) 25%);
  border-color: color-mix(in srgb, var(--line) 70%, var(--accent-2) 30%);
}

.save-btn {
  background: #f1fbf5;
  color: var(--ok);
}

.edit-btn {
  color: #8d6332;
  background: #fff8ec;
  border-color: #e4cfac;
}

.edit-btn:hover {
  color: #744a1f;
  background: #fff2dd;
  border-color: #d7b684;
}

.delete-btn {
  color: #9b6e68;
  background: #fff7f5;
  border-color: #e4c8c3;
}

.delete-btn:hover {
  color: #855750;
  background: #ffefec;
  border-color: #d7afa8;
}

.empty-state {
  margin: 12px 4px 2px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  white-space: nowrap;
}

@media (min-width: 720px) {
  body {
    padding: 26px;
  }

  .app-shell {
    gap: 16px;
  }

  .panel {
    padding: 16px;
  }
}