:root {
  --todo-ink: #23384f;
  --todo-muted: #718197;
  --todo-panel: rgba(255, 250, 236, 0.86);
  --todo-line: rgba(104, 122, 136, 0.16);
  --todo-green: #7fa675;
  --todo-blue: #7aa6d4;
  --todo-brown: #d49356;
  --todo-shadow: 0 16px 38px rgba(80, 96, 112, 0.16);
}

body {
  min-height: 100vh;
  background: linear-gradient(165deg, #d6e9f3 0%, #eaf0da 78%);
}

.todo-bg {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.todo-cloud {
  position: absolute;
  width: 118px;
  height: 42px;
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  filter: blur(.4px);
}
.todo-cloud::before,
.todo-cloud::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: inherit;
}
.todo-cloud::before { width: 34px; height: 34px; left: 16px; top: -16px; }
.todo-cloud::after { width: 48px; height: 48px; right: 17px; top: -20px; }
.todo-cloud--1 { top: 13%; left: 28%; }
.todo-cloud--2 { top: 22%; right: 28%; transform: scale(.62); opacity: .72; }
.todo-cloud--3 { bottom: 18%; left: 9%; transform: scale(1.08); opacity: .56; }

.todo-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 760px) 320px;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 116px 28px 88px;
  color: var(--todo-ink);
  font-family: "Satoshi", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.todo-hero {
  min-height: 220px;
  padding-top: 8px;
}
.todo-kicker {
  color: #718197;
  font-size: 13px;
  font-weight: 650;
}
.todo-hero h1 {
  margin-top: 6px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(56px, 8vw, 76px);
  line-height: .96;
  letter-spacing: 0;
}
.todo-hero h1 em {
  color: #7fa675;
  font-style: italic;
  font-weight: 500;
}
.todo-summary {
  max-width: 560px;
  margin-top: 24px;
  color: #53677d;
  font-size: 15px;
  line-height: 1.65;
}
.todo-tools {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 20px;
  margin-bottom: 22px;
}
.todo-switch,
.todo-date-pill,
.todo-add-hero {
  border: 0;
  border-radius: 18px;
  background: rgba(255,255,255,.72);
  box-shadow: 0 8px 20px rgba(75,92,110,.12);
}
.todo-switch {
  display: inline-flex;
  gap: 6px;
  padding: 6px;
  border-radius: 18px;
}
.todo-switch button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 64px;
  justify-content: center;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: #66778c;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 9px 14px;
  cursor: pointer;
}
.todo-switch button.is-active {
  background: #fff;
  color: #36536b;
}
.todo-switch i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #9ec1e1;
}
.todo-switch button:nth-child(2) i { background: #98b783; }
.todo-date-pill {
  min-height: 43px;
  padding: 0 18px;
  color: #6a7a8d;
  font: inherit;
  font-size: 13px;
  font-weight: 650;
}
.todo-add-hero {
  margin-left: auto;
  min-height: 43px;
  padding: 0 24px;
  background: #24384f;
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}
.todo-add-hero:disabled {
  opacity: .48;
  cursor: not-allowed;
}

.todo-card,
.todo-heat-card,
.todo-side-card {
  border-radius: 22px;
  background: var(--todo-panel);
  box-shadow: var(--todo-shadow);
  border: 1px solid rgba(255,255,255,.62);
}
.todo-card {
  padding: 25px 24px 24px;
}
.todo-card__head,
.todo-heat-card__head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}
.todo-card__head p,
.todo-heat-card__head p,
.todo-side-card > p {
  color: #738398;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.todo-card h2,
.todo-heat-card h2,
.todo-side-card h2 {
  margin-top: 4px;
  color: var(--todo-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  line-height: 1.22;
  letter-spacing: 0;
}
.todo-card h2,
.todo-heat-card h2 {
  font-variant-numeric: lining-nums;
}
.todo-stat-number {
  font-family: "Satoshi", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-feature-settings: "lnum" 1;
  font-variant-numeric: lining-nums;
  font-size: 1em;
  font-weight: 850;
  line-height: 1;
}
.todo-card h2::first-letter,
.todo-heat-card h2::first-letter {
  font-family: "Satoshi", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: .9em;
  font-weight: 850;
}
.todo-progress {
  text-align: right;
}
.todo-progress span,
.todo-progress small {
  display: block;
  color: #8b98aa;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.todo-progress strong {
  color: var(--todo-ink);
  font-family: "Satoshi", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 25px;
  line-height: 1.05;
  font-weight: 850;
}
.todo-message {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.58);
  color: #7b6b58;
  font-size: 13px;
  font-weight: 650;
}

.todo-new {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto 44px;
  gap: 10px;
  align-items: center;
  margin-top: 20px;
  padding: 12px;
  border: 1px dashed rgba(111,129,145,.24);
  border-radius: 16px;
  background: rgba(255,255,255,.42);
}
.todo-new-due {
  width: auto;
  flex: none;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.8);
  color: #6f8295;
  font-size: 12px;
  font-weight: 700;
}
.todo-new-due:disabled {
  opacity: .45;
  cursor: not-allowed;
}
.todo-new input {
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--todo-ink);
  font: inherit;
  font-size: 14px;
  outline: none;
}
.todo-new input::placeholder { color: #99a5b5; }
.todo-new button,
.todo-check,
.todo-destroy {
  border: 0;
  font: inherit;
  cursor: pointer;
}
.todo-toggle-all,
.todo-new button:last-child {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  color: #7f91a6;
  background: rgba(255,255,255,.8);
}
.todo-new button:last-child {
  width: 38px;
  height: 38px;
  background: #b9d1b3;
  color: #fff;
  font-weight: 900;
}
.todo-new button:disabled {
  opacity: .45;
  cursor: not-allowed;
}
.todo-filters {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--todo-line);
}
.todo-filters button {
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,.48);
  color: #697a8f;
  font: inherit;
  font-size: 12px;
  font-weight: 750;
  padding: 7px 12px;
  cursor: pointer;
}
.todo-filters button.is-active {
  background: #dbead3;
  color: #54724f;
}
.todo-filters button:disabled {
  opacity: .42;
  cursor: not-allowed;
}
.todo-filters span {
  margin-left: auto;
  color: #8794a6;
  font-size: 12px;
  font-weight: 750;
}

.todo-list {
  margin-top: 8px;
}
.todo-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 30px;
  align-items: center;
  gap: 10px;
  padding: 13px 10px;
  border-bottom: 1px solid var(--todo-line);
}
.todo-check {
  width: 20px;
  height: 20px;
  border: 1px solid #cbd6dc;
  border-radius: 50%;
  background: rgba(255,255,255,.72);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}
.todo-item.is-completed .todo-check {
  border-color: #9fbe97;
  background: #9fbe97;
}
.todo-item__body {
  min-width: 0;
}
.todo-title {
  max-width: 100%;
  border: 0;
  background: transparent;
  color: var(--todo-ink);
  font: inherit;
  font-size: 14px;
  font-weight: 650;
  text-align: left;
  cursor: text;
}
.todo-item.is-completed .todo-title {
  color: #8c98a8;
  text-decoration: line-through;
}
.todo-edit {
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: rgba(255,255,255,.78);
  color: var(--todo-ink);
  font: inherit;
  font-size: 14px;
  padding: 7px 9px;
  outline: 2px solid rgba(127,166,117,.26);
}
.todo-item__body p {
  display: flex;
  gap: 7px;
  align-items: center;
  margin-top: 4px;
  color: #8b98aa;
  font-size: 11px;
  font-weight: 650;
}
.todo-item__body p span:first-child {
  padding: 2px 8px;
  border-radius: 999px;
  background: #dcebd4;
  color: #56764f;
}
/* 逾期未完成：失落的暖色基调，仍温柔不刺眼。 */
.todo-item.is-failed {
  background: rgba(228,160,160,.08);
  border-radius: 12px;
}
.todo-item.is-failed .todo-title {
  color: #b3787c;
}
.todo-item.is-failed .todo-check {
  border-color: #e1a9ac;
}
.todo-item.is-failed .todo-item__body p span:first-child {
  background: #f4dcde;
  color: #b06168;
}
/* 逾期补完：已完成但晚了，标一个浅红 late。 */
.todo-item.is-late .todo-item__body p span:first-child {
  background: #f4e3d6;
  color: #b07c52;
}
.todo-destroy {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  color: #a1aab7;
  font-size: 20px;
}
.todo-destroy:disabled {
  visibility: hidden;
}
.todo-empty {
  padding: 28px 8px 8px;
  color: #8b98aa;
  font-size: 13px;
  font-weight: 650;
}

.todo-heat-card {
  margin-top: 22px;
  padding: 24px;
}
.todo-heat-card__head > div:last-child {
  text-align: right;
}
.todo-heat-card__head strong {
  display: block;
  color: var(--todo-ink);
  font-family: "Satoshi", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 20px;
  line-height: 1.15;
  font-weight: 850;
}
.todo-heat-card__head span {
  color: #8794a6;
  font-size: 12px;
  font-weight: 750;
}
.todo-heatmap {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(8, clamp(6px, 1.35vw, 10px));
  grid-auto-columns: clamp(6px, 1.35vw, 10px);
  gap: clamp(2px, .55vw, 4px);
  margin-top: 26px;
  overflow: visible;
  max-width: 100%;
}
.todo-square {
  width: 100%;
  height: 100%;
  border-radius: 3px;
  background: #edf1e6;
}
.todo-square.is-blank { visibility: hidden; }
.todo-square.level-0, .todo-heat-legend i.level-0 { background: #edf1e6; }
.todo-square.level-1, .todo-heat-legend i.level-1 { background: #e0eed7; }
.todo-square.level-2, .todo-heat-legend i.level-2 { background: #cfe6c2; }
.todo-square.level-3, .todo-heat-legend i.level-3 { background: #bbdcab; }
.todo-square.level-4, .todo-heat-legend i.level-4 { background: #a3cd92; }
.todo-square.level-5, .todo-heat-legend i.level-5 { background: #88bd79; }
.todo-square.level-6, .todo-heat-legend i.level-6 { background: #6daa61; }
.todo-square.level-7, .todo-heat-legend i.level-7 { background: #54914c; }
.todo-square.level-8, .todo-heat-legend i.level-8 { background: #3d7438; }
.todo-heat-legend {
  display: flex;
  justify-content: end;
  align-items: center;
  gap: 5px;
  margin-top: 16px;
  color: #8391a3;
  font-size: 11px;
  font-weight: 650;
}
.todo-heat-legend i {
  width: 9px;
  height: 9px;
  border-radius: 2px;
}

.todo-side {
  padding-top: 220px;
}
.todo-side-card {
  padding: 24px;
}
.todo-side-card + .todo-side-card {
  margin-top: 20px;
}
.todo-ring-row {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-top: 20px;
}
.todo-ring {
  position: relative;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  background: conic-gradient(#7fa675 0 var(--p), #d9e8d0 var(--p) 100%);
}
.todo-ring::after {
  content: "";
  position: absolute;
  inset: 13px;
  border-radius: 50%;
  background: var(--todo-panel);
}
.todo-ring span {
  position: absolute;
  inset: 13px;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--todo-ink);
  font-family: "Satoshi", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 18px;
  font-weight: 850;
  line-height: 1.05;
  text-align: center;
}
.todo-ring-row dl {
  display: grid;
  gap: 10px;
}
.todo-ring-row div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--todo-line);
  padding-bottom: 8px;
}
.todo-ring-row dt {
  color: #8794a6;
  font-size: 12px;
  font-weight: 700;
}
.todo-ring-row dd {
  color: var(--todo-ink);
  font-family: "Satoshi", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.2;
  font-weight: 850;
}
.todo-side-card blockquote {
  margin-top: 22px;
  padding: 18px;
  border-radius: 14px;
  background: #dcebd4;
  color: #5e755a;
  font-size: 12px;
  font-style: italic;
  line-height: 1.6;
}
.todo-side-card > span {
  display: block;
  margin-top: 12px;
  color: #728297;
  font-size: 13px;
  line-height: 1.6;
}

.todo-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 24px;
}
.todo-modal__mask {
  position: absolute;
  inset: 0;
  background: rgba(35,48,64,.28);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.todo-modal__card {
  position: relative;
  z-index: 1;
  width: min(440px, 100%);
  padding: 26px;
  border-radius: 20px;
  background: #fffaf0;
  box-shadow: 0 24px 70px rgba(42,54,70,.26);
}
.todo-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: rgba(80,96,112,.08);
  color: #718197;
  cursor: pointer;
}
.todo-modal__card > p {
  color: #8794a6;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.todo-modal__card h2 {
  margin: 6px 28px 18px 0;
  color: var(--todo-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  line-height: 1.3;
}
.todo-modal__message {
  margin: -6px 0 14px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 238, 232, .82);
  color: #9d4f45;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.45;
}
.todo-modal__card label {
  display: grid;
  gap: 7px;
  margin-top: 12px;
  color: #66778c;
  font-size: 13px;
  font-weight: 750;
}
.todo-modal__card input {
  height: 42px;
  border: 1px solid rgba(103,122,140,.2);
  border-radius: 12px;
  background: rgba(255,255,255,.72);
  color: var(--todo-ink);
  font: inherit;
  padding: 0 12px;
}
.todo-modal__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
  margin-top: 12px;
  color: #66778c;
  font-size: 13px;
  font-weight: 750;
}
.todo-modal__row > span,
.todo-modal__row > strong {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
}
.todo-modal__row > strong {
  justify-content: flex-end;
  color: var(--todo-ink);
  font-size: 14px;
  font-weight: 850;
}
.todo-range-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}
.todo-range-row {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) minmax(0, 1fr) 32px;
  gap: 8px;
  align-items: end;
  padding: 10px;
  border: 1px solid rgba(103,122,140,.14);
  border-radius: 14px;
  background: rgba(255,255,255,.46);
}
.todo-range-row > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  color: #8b98aa;
  font-size: 12px;
  font-weight: 850;
}
.todo-range-row label {
  margin-top: 0;
}
.todo-range-row input {
  font-variant-numeric: tabular-nums;
}
.todo-range-row > button {
  width: 32px;
  height: 32px;
  margin-bottom: 5px;
  border: 0;
  border-radius: 50%;
  background: rgba(103,122,140,.1);
  color: #718197;
  font: inherit;
  font-size: 18px;
  font-weight: 850;
  cursor: pointer;
}
.todo-range-row > button:disabled {
  opacity: .34;
  cursor: not-allowed;
}
.todo-modal__actions {
  display: flex;
  justify-content: end;
  gap: 10px;
  margin-top: 22px;
}
.todo-modal__actions button {
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}
.todo-modal__actions button:first-child {
  margin-right: auto;
  background: #dcebd4;
  color: #54724f;
}
.todo-modal__actions button:nth-child(2) {
  background: rgba(103,122,140,.1);
  color: #66778c;
}
.todo-modal__actions button:last-child {
  background: #24384f;
  color: #fff;
}
.todo-modal__actions button:disabled {
  opacity: .52;
  cursor: not-allowed;
}

@media (max-width: 980px) {
  .todo-shell {
    display: block;
    max-width: 780px;
  }
  .todo-side {
    padding-top: 22px;
  }
}

@media (max-width: 640px) {
  .todo-shell {
    padding: 96px 16px 72px;
  }
  .todo-hero h1 {
    font-size: 54px;
  }
  .todo-tools {
    align-items: stretch;
    flex-direction: column;
  }
  .todo-add-hero {
    width: 100%;
    margin-left: 0;
  }
  .todo-card,
  .todo-heat-card,
  .todo-side-card {
    border-radius: 18px;
    padding: 18px 16px;
  }
  .todo-card__head,
  .todo-heat-card__head {
    display: block;
  }
  .todo-progress,
  .todo-heat-card__head > div:last-child {
    margin-top: 12px;
    text-align: left;
  }
  .todo-filters span {
    width: 100%;
    margin-left: 0;
  }
  .todo-ring-row {
    grid-template-columns: 1fr;
  }
  .todo-modal__row {
    grid-template-columns: 1fr;
  }
  .todo-range-row {
    grid-template-columns: 20px 1fr;
  }
  .todo-range-row > button {
    grid-column: 2;
    justify-self: end;
  }
}