@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Noto+Sans+SC:wght@400;500&family=Noto+Serif+SC:wght@400;500&display=swap');

:root {
  --walnut: #5C4033;
  --cream: #FAF6F1;
  --warm-gray: #B8AFA6;
  --ink-green: #5B7B6A;
  --tea: #E8DFD5;
  --cinnabar: #C27C6B;
  --paper: #FFFDF9;
  --line: #F0EBE5;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--cream);
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--cream);
  color: var(--walnut);
  font-family: "Inter", "Noto Sans SC", sans-serif;
}

body.sheet-open {
  overflow: hidden;
}

body.auth-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

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

.shell {
  width: 100%;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 32px 16px;
}

.todo-app {
  width: min(100%, 430px);
  padding: 24px 20px 32px;
}

.app-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--ink-green);
  border-radius: 6px;
  display: grid;
  place-items: center;
  color: var(--ink-green);
  font-size: 13px;
  line-height: 1;
}

h1 {
  margin: 0;
  color: var(--walnut);
  font-family: "Noto Serif SC", serif;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0;
}

.todo-date {
  min-height: 25px;
  margin-bottom: 20px;
  color: var(--walnut);
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 500;
}

.todo-date .date-dot {
  color: var(--warm-gray);
  margin: 0 8px;
}

.todo-form {
  width: 100%;
  border: 0;
  margin-bottom: 10px;
  background: var(--tea);
  border-radius: 6px;
  transition: background-color 300ms ease;
}

.todo-form:focus-visible,
.todo-form:hover {
  outline: none;
  background: #E1D5CA;
}

.add-entry {
  display: block;
  color: var(--walnut);
  cursor: pointer;
  padding: 11px 14px;
  text-align: left;
  font-size: 14px;
}

.add-entry span {
  color: var(--warm-gray);
}

.status-text {
  min-height: 18px;
  margin: 0 0 14px;
  color: var(--warm-gray);
  font-size: 12px;
}

.todo-section {
  margin-bottom: 20px;
}

.todo-section-label {
  margin: 0 0 8px;
  color: var(--warm-gray);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
}

.todo-card {
  overflow: hidden;
  border: 0.5px solid var(--tea);
  border-radius: 6px;
  background: var(--paper);
}

.todo-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 14px;
  border-bottom: 0.5px solid var(--line);
  color: var(--walnut);
  font-size: 14px;
  cursor: pointer;
}

.todo-item:last-child {
  border-bottom: 0;
}

.todo-item.done {
  color: var(--warm-gray);
}

.todo-check {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border: 1.5px solid var(--warm-gray);
  border-radius: 3px;
  background: transparent;
  color: var(--paper);
  display: grid;
  place-items: center;
  padding: 0;
  line-height: 1;
  cursor: pointer;
  transition: background-color 300ms ease, border-color 300ms ease;
}

.todo-check.done {
  border-color: var(--ink-green);
  background: var(--ink-green);
}

.todo-check.done::after {
  content: "✓";
  font-size: 11px;
}

.todo-title {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
  transition: color 300ms ease, text-decoration-color 300ms ease;
}

.todo-item.done .todo-title {
  color: var(--warm-gray);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--warm-gray);
}

.todo-urgent-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cinnabar);
  flex: 0 0 auto;
}

.todo-meta {
  flex: 0 0 auto;
  color: var(--ink-green);
  font-size: 11px;
  white-space: nowrap;
}

.todo-meta.done {
  color: var(--warm-gray);
}

.empty {
  padding: 12px 14px;
  color: var(--warm-gray);
  font-size: 13px;
}

.todo-divider {
  height: 1px;
  margin: 4px 0 20px;
  border: 0;
  border-top: 1px dashed var(--tea);
}

.todo-diamond {
  margin-top: 24px;
  color: var(--warm-gray);
  text-align: center;
  font-size: 12px;
  letter-spacing: 4px;
}

.sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: rgba(92, 64, 51, 0.12);
}

.auth-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(250, 246, 241, 0.92);
}

.auth-backdrop[hidden] {
  display: none;
}

.auth-card {
  width: min(100%, 360px);
  border: 0.5px solid var(--tea);
  border-radius: 6px;
  background: var(--paper);
  padding: 24px 20px 22px;
  color: var(--walnut);
}

.auth-card h2 {
  margin: 0 0 10px;
  font-family: "Noto Serif SC", serif;
  font-size: 20px;
  font-weight: 500;
}

.auth-card p {
  margin: 0 0 16px;
  color: var(--warm-gray);
  font-size: 13px;
}

.auth-diamond {
  margin: 0 0 14px;
}

.auth-error {
  min-height: 18px;
  margin: 8px 0 14px !important;
  color: var(--cinnabar) !important;
  font-size: 12px !important;
}

.auth-submit {
  width: 100%;
}

.edit-sheet {
  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 11;
  width: min(100%, 430px);
  max-height: min(82vh, 620px);
  transform: translateX(-50%);
  border: 0.5px solid rgba(184, 175, 166, 0.7);
  border-bottom: 0;
  border-radius: 6px 6px 0 0;
  background: var(--tea);
  color: var(--walnut);
  box-shadow: 0 -10px 28px rgba(92, 64, 51, 0.08);
  animation: sheet-up 220ms ease-out;
}

.edit-sheet[hidden],
.sheet-backdrop[hidden] {
  display: none;
}

@keyframes sheet-up {
  from {
    transform: translate(-50%, 24px);
    opacity: 0;
  }

  to {
    transform: translate(-50%, 0);
    opacity: 1;
  }
}

.sheet-handle {
  width: 36px;
  height: 3px;
  margin: 10px auto 4px;
  border-radius: 999px;
  background: var(--warm-gray);
}

.edit-form {
  padding: 8px 20px 24px;
}

.edit-form h2 {
  margin: 0 0 18px;
  color: var(--walnut);
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 500;
}

.field-label,
.priority-field legend {
  display: block;
  margin: 14px 0 8px;
  color: var(--warm-gray);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
}

.sheet-input {
  width: 100%;
  border: 0.5px solid rgba(184, 175, 166, 0.65);
  border-radius: 6px;
  outline: none;
  background: var(--cream);
  color: var(--walnut);
  padding: 10px 12px;
  font-size: 14px;
}

.sheet-input:focus {
  border-color: var(--ink-green);
}

.priority-field {
  margin: 0;
  padding: 0;
  border: 0;
}

.priority-field label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-right: 18px;
  color: var(--walnut);
  font-size: 14px;
}

.priority-field input {
  accent-color: var(--ink-green);
}

.sheet-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

.sheet-actions button {
  min-width: 72px;
  border-radius: 6px;
  padding: 9px 14px;
  cursor: pointer;
}

.sheet-delete {
  margin-right: auto;
  border: 0.5px solid rgba(194, 124, 107, 0.65);
  background: transparent;
  color: var(--cinnabar);
}

.sheet-secondary {
  border: 0.5px solid var(--warm-gray);
  background: transparent;
  color: var(--walnut);
}

.sheet-primary {
  border: 0.5px solid var(--ink-green);
  background: var(--ink-green);
  color: var(--paper);
}

@media (min-width: 760px) {
  .shell {
    align-items: flex-start;
    padding-top: 56px;
  }

  .todo-app {
    width: 430px;
  }
}