:root {
  color-scheme: light;
  --bg: #f2f5f2;
  --surface: #ffffff;
  --surface-muted: #f6f8f6;
  --ink: #202124;
  --muted: #6d7370;
  --line: #ddd8cf;
  --line-strong: #c8c0b3;
  --green: #1f8a70;
  --green-dark: #13614e;
  --green-soft: #e2f4ed;
  --amber: #c27a18;
  --amber-soft: #fff0cc;
  --red: #b94a48;
  --red-soft: #fde8e7;
  --blue: #3f6fba;
  --blue-soft: #e9f0ff;
  --holiday: #d14d2f;
  --holiday-soft: #fff1ea;
  --work-soft: #f2f3f5;
  --shadow: 0 16px 40px rgba(42, 52, 42, 0.09);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(31, 138, 112, 0.09), transparent 26%),
    linear-gradient(315deg, rgba(63, 111, 186, 0.07), transparent 31%),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  line-height: 1.5;
}

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

button {
  cursor: pointer;
}

.app-shell {
  width: min(1500px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 50px;
  height: 50px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(31, 138, 112, 0.24);
  border-radius: 8px;
  background: linear-gradient(160deg, #ffffff 0%, #dff2eb 100%);
  color: var(--green);
  box-shadow: var(--shadow);
}

.brand h1,
.section-head h2 {
  margin: 0;
  letter-spacing: 0;
}

.brand h1 {
  font-size: clamp(1.35rem, 2vw, 1.85rem);
}

.brand p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.top-actions,
.date-controls,
.month-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.view-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 16px;
  padding: 4px;
  border: 1px solid rgba(120, 107, 85, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 10px 24px rgba(42, 52, 42, 0.06);
}

.view-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-weight: 850;
}

.view-tab.active {
  background: var(--ink);
  color: #fff;
}

.view-tab svg {
  width: 17px;
  height: 17px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(410px, 1.15fr) minmax(340px, 0.9fr) minmax(320px, 0.75fr);
  gap: 16px;
  align-items: start;
}

.panel {
  min-width: 0;
  border: 1px solid rgba(120, 107, 85, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.day-panel,
.calendar-panel,
.countdown-panel,
.next-panel,
.summary-panel,
.deadline-editor,
.deadline-board,
.mobile-card {
  padding: 18px;
}

.side-stack {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 1.12rem;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 700;
}

.btn,
.icon-btn,
.segment,
.sync-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background 140ms ease,
    color 140ms ease,
    box-shadow 140ms ease;
}

.btn {
  gap: 8px;
  padding: 8px 12px;
  font-weight: 700;
  white-space: nowrap;
}

.sync-pill {
  gap: 7px;
  padding: 7px 10px;
  border-color: rgba(63, 111, 186, 0.2);
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 800;
  white-space: nowrap;
}

.sync-pill.local {
  border-color: var(--line);
  background: #fff;
  color: var(--muted);
}

.sync-pill.saving {
  border-color: rgba(194, 122, 24, 0.28);
  background: var(--amber-soft);
  color: var(--amber);
}

.btn:hover,
.icon-btn:hover,
.segment:hover {
  transform: translateY(-1px);
}

.btn:focus-visible,
.icon-btn:focus-visible,
.segment:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(31, 138, 112, 0.23);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 10px 24px rgba(31, 138, 112, 0.22);
}

.btn-primary:hover {
  background: var(--green-dark);
}

.btn-soft {
  border-color: rgba(31, 138, 112, 0.2);
  background: var(--green-soft);
  color: var(--green-dark);
}

.btn-ghost {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.btn-tight {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 0.9rem;
}

.icon-btn {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.icon-btn.accent {
  border-color: transparent;
  background: var(--green);
  color: #fff;
}

.btn svg,
.icon-btn svg,
.brand-mark svg,
.sync-pill svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.install-guide {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: end center;
  padding: 18px;
  background: rgba(20, 24, 22, 0.48);
}

.install-guide.hidden {
  display: none;
}

.install-guide-card {
  width: min(520px, 100%);
  border: 1px solid rgba(120, 107, 85, 0.22);
  border-radius: 8px;
  background: #fff;
  padding: 18px;
  box-shadow: 0 20px 70px rgba(20, 24, 22, 0.24);
}

.install-guide-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.install-guide-head h2 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: 0;
}

.install-guide ol {
  margin: 0;
  padding-left: 22px;
  color: var(--ink);
  font-weight: 750;
  line-height: 1.8;
}

.install-guide p:last-child {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.date-input,
.field input,
.field select,
.mini-form input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

.date-input {
  min-height: 38px;
  padding: 7px 10px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.stat-card {
  min-height: 72px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.stat-card strong {
  display: block;
  font-size: 1.25rem;
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.task-form {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) minmax(104px, 0.65fr) minmax(116px, 0.75fr);
  gap: 10px;
  align-items: end;
  padding: 12px;
  border: 1px solid rgba(31, 138, 112, 0.16);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(226, 244, 237, 0.7), rgba(255, 255, 255, 0.75));
}

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

.field label,
.textarea-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.field input,
.field select,
.mini-form input,
.locked-date {
  min-height: 40px;
  padding: 9px 10px;
}

.locked-date {
  display: inline-flex;
  align-items: center;
  width: 100%;
  border: 1px solid rgba(31, 138, 112, 0.2);
  border-radius: 8px;
  background: #eef8f3;
  color: var(--green-dark);
  font-size: 0.9rem;
  font-weight: 800;
  white-space: nowrap;
}

.field.grow {
  min-width: 0;
}

.field.compact {
  min-width: 0;
}

.add-btn {
  min-height: 40px;
  width: 100%;
}

.list-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 14px 0 10px;
}

.segmented {
  display: inline-grid;
  grid-template-columns: repeat(3, 1fr);
  min-width: 244px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.segment {
  min-height: 30px;
  padding: 4px 10px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.segment.active {
  background: var(--ink);
  color: #fff;
}

.task-list,
.compact-list,
#unfinishedList {
  display: grid;
  gap: 8px;
}

.carry-alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(194, 122, 24, 0.38);
  border-radius: 8px;
  background: #fff8e6;
}

.carry-alert strong,
.carry-alert span {
  display: block;
}

.carry-alert span {
  color: var(--muted);
  font-size: 0.82rem;
}

.task-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.task-item.focus {
  border-color: rgba(194, 122, 24, 0.48);
  background: linear-gradient(180deg, #fffaf0, #fff);
}

.task-item.important {
  border-color: rgba(209, 77, 47, 0.5);
}

.task-item.overdue {
  border-color: rgba(185, 74, 72, 0.48);
}

.task-item.done {
  background: #fbfbfa;
}

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

.check-btn {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: transparent;
}

.task-item.done .check-btn {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.task-main {
  min-width: 0;
}

.task-title-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.task-title {
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 800;
}

.priority {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 22px;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
}

.priority.high {
  background: var(--red-soft);
  color: var(--red);
}

.priority.normal {
  background: var(--blue-soft);
  color: var(--blue);
}

.priority.low {
  background: var(--surface-muted);
  color: var(--muted);
}

.task-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.task-meta span,
.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.meta-badge {
  min-height: 22px;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
}

.meta-badge.focus {
  background: var(--amber-soft);
  color: var(--amber);
}

.meta-badge.overdue {
  background: var(--red-soft);
  color: var(--red);
}

.meta-badge.important {
  background: var(--holiday-soft);
  color: var(--holiday);
}

.meta-badge.deadline {
  background: var(--blue-soft);
  color: var(--blue);
}

.task-note {
  margin-top: 8px;
}

.task-note textarea {
  min-height: 64px;
  padding: 8px 10px;
  resize: vertical;
}

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

.mini-action {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
}

.mini-action:hover {
  color: var(--ink);
}

.mini-action.danger:hover {
  border-color: rgba(185, 74, 72, 0.35);
  background: var(--red-soft);
  color: var(--red);
}

.empty-state {
  display: grid;
  min-height: 160px;
  place-items: center;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

.calendar-head {
  align-items: center;
}

.month-controls strong {
  min-width: 112px;
  text-align: center;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.calendar-weekdays {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-align: center;
}

.calendar-day {
  position: relative;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 84px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  text-align: left;
}

.calendar-day.outside {
  background: rgba(255, 255, 255, 0.55);
  color: #a4a09a;
}

.calendar-day.today {
  border-color: rgba(31, 138, 112, 0.55);
}

.calendar-day.has-focus {
  border-color: rgba(194, 122, 24, 0.56);
  background: linear-gradient(180deg, #fff8e6, #fff);
}

.calendar-day.has-overdue {
  border-color: rgba(185, 74, 72, 0.52);
}

.calendar-day.is-holiday,
.calendar-day.is-festival {
  border-color: rgba(209, 77, 47, 0.34);
  background: linear-gradient(180deg, var(--holiday-soft), #fff);
}

.calendar-day.is-workday {
  border-style: dashed;
  background: linear-gradient(180deg, var(--work-soft), #fff);
}

.calendar-day.selected {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 2px var(--ink);
}

.calendar-date-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px;
}

.calendar-day .day-num {
  font-size: 0.88rem;
  font-weight: 800;
}

.calendar-day .lunar-day {
  min-width: 0;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar-day .day-count {
  align-self: end;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.holiday-line {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 19px;
  margin-top: 2px;
  color: var(--holiday);
  font-size: 0.66rem;
  font-weight: 850;
  overflow: hidden;
  white-space: nowrap;
}

.holiday-line.workday {
  color: var(--muted);
}

.holiday-line.empty {
  visibility: hidden;
}

.holiday-tag {
  display: inline-grid;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 6px;
  background: var(--holiday);
  color: #fff;
  font-size: 0.66rem;
  line-height: 1;
}

.holiday-line.workday .holiday-tag {
  background: var(--ink);
}

.holiday-line.festival .holiday-tag {
  background: var(--amber);
}

.day-dots {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 7px;
}

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 99px;
}

.dot-done {
  background: var(--green);
}

.dot-open {
  background: var(--red);
}

.dot-summary {
  background: var(--amber);
}

.dot-focus {
  background: #e45b2d;
}

.dot-holiday {
  background: var(--holiday);
}

.work-dot {
  display: inline-grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-size: 0.66rem;
  font-style: normal;
  font-weight: 900;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.mini-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-bottom: 12px;
}

.compact-task,
.unfinished-task {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.compact-task.focus,
.unfinished-task.focus {
  border-color: rgba(194, 122, 24, 0.42);
  background: #fffaf0;
}

.countdown-list {
  display: grid;
  gap: 8px;
}

.countdown-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.countdown-item.overdue {
  border-color: rgba(185, 74, 72, 0.45);
  background: var(--red-soft);
}

.countdown-item.soon {
  border-color: rgba(194, 122, 24, 0.44);
  background: #fffaf0;
}

.countdown-item.important {
  border-color: rgba(209, 77, 47, 0.42);
}

.countdown-main {
  min-width: 0;
}

.countdown-title {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 850;
}

.countdown-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
}

.countdown-time {
  justify-self: end;
  min-width: 76px;
  padding: 4px 7px;
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 850;
  text-align: center;
}

.countdown-side {
  display: grid;
  grid-template-columns: auto auto;
  gap: 6px;
  align-items: center;
}

.countdown-item.overdue .countdown-time {
  background: #fff;
  color: var(--red);
}

.countdown-item.soon .countdown-time {
  background: var(--amber-soft);
  color: var(--amber);
}

.deadline-view {
  display: grid;
  grid-template-columns: minmax(360px, 0.85fr) minmax(360px, 1fr);
  gap: 16px;
  align-items: start;
}

.deadline-editor {
  position: sticky;
  top: 12px;
}

.deadline-form {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(136px, 0.7fr);
  gap: 10px;
  align-items: end;
}

.deadline-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 11px;
  border: 1px solid rgba(209, 77, 47, 0.2);
  border-radius: 8px;
  background: var(--holiday-soft);
  color: var(--holiday);
  font-size: 0.86rem;
  font-weight: 800;
}

.deadline-board.all-deadlines {
  grid-column: 2;
}

.deadline-list {
  display: grid;
  gap: 8px;
}

.deadline-event {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.deadline-event.important {
  border-color: rgba(209, 77, 47, 0.44);
  background: linear-gradient(180deg, var(--holiday-soft), #fff);
}

.deadline-event.overdue {
  border-color: rgba(185, 74, 72, 0.5);
}

.deadline-event.done {
  background: #fbfbfa;
}

.deadline-event.done .deadline-event-title strong {
  color: var(--muted);
  text-decoration: line-through;
}

.deadline-event-main {
  min-width: 0;
}

.deadline-event-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}

.deadline-event-title strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.deadline-event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 760;
}

.deadline-event-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mobile-view {
  max-width: 980px;
}

.mobile-install-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1.1fr);
  gap: 14px;
}

.mobile-url-box,
.install-steps {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.mobile-url-box {
  display: grid;
  gap: 10px;
  align-content: start;
}

.mobile-url-box span,
.install-steps span {
  color: var(--muted);
  font-size: 0.86rem;
}

.mobile-url-box strong {
  overflow-wrap: anywhere;
  font-size: 1rem;
}

.install-steps {
  display: grid;
  gap: 12px;
}

.install-steps div {
  display: grid;
  gap: 3px;
}

.compact-task span,
.unfinished-task span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.compact-task.done span {
  color: var(--muted);
  text-decoration: line-through;
}

.summary-panel textarea {
  min-height: 104px;
  margin: 5px 0 12px;
  padding: 10px 11px;
  resize: vertical;
}

.save-state {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  padding: 3px 9px;
  font-size: 0.78rem;
  font-weight: 800;
}

.save-state.changed {
  background: var(--amber-soft);
  color: var(--amber);
}

.unfinished-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
  padding: 10px;
}

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

.mini-head strong {
  font-size: 0.9rem;
}

.mini-head span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.hidden {
  display: none !important;
}

@media (max-width: 1260px) {
  .workspace {
    grid-template-columns: minmax(390px, 1fr) minmax(330px, 0.85fr);
  }

  .side-stack {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .deadline-view {
    grid-template-columns: 1fr;
  }

  .deadline-editor,
  .deadline-board.all-deadlines {
    position: static;
    grid-column: auto;
  }
}

@media (max-width: 860px) {
  .app-shell {
    width: min(calc(100% - 20px), 680px);
    padding-top: 12px;
  }

  .topbar,
  .section-head,
  .list-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .top-actions,
  .date-controls,
  .month-controls {
    justify-content: flex-start;
  }

  .top-actions,
  .date-controls,
  .month-controls {
    width: 100%;
  }

  .date-controls .date-input,
  .month-controls strong {
    flex: 1 1 0;
    min-width: 0;
    width: auto;
  }

  .workspace,
  .side-stack,
  .deadline-view,
  .mobile-install-grid {
    grid-template-columns: 1fr;
  }

  .task-form,
  .deadline-form {
    grid-template-columns: 1fr;
  }

  .view-tabs {
    grid-template-columns: 1fr;
  }

  .carry-alert {
    align-items: stretch;
    flex-direction: column;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .calendar-day {
    min-height: 66px;
    padding: 6px;
  }

  .segmented {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 520px) {
  .brand-mark {
    width: 44px;
    height: 44px;
  }

  .top-actions .btn,
  .top-actions .sync-pill,
  .list-toolbar .btn {
    width: 100%;
  }

  .date-input {
    min-width: 0;
  }

  .calendar-weekdays,
  .calendar-grid {
    gap: 4px;
  }

  .calendar-day {
    min-height: 58px;
    padding: 5px;
  }

  .calendar-day .day-count,
  .day-dots {
    display: none;
  }

  .calendar-day .lunar-day {
    display: block;
    max-width: 36px;
    font-size: 0.62rem;
  }

  .holiday-line {
    gap: 2px;
    min-height: 17px;
    font-size: 0.58rem;
  }

  .holiday-tag {
    width: 16px;
    height: 16px;
  }

  .task-item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .task-actions {
    grid-column: 2;
    justify-content: flex-start;
  }

  .deadline-event {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .deadline-event > .mini-action {
    grid-column: 2;
    justify-self: start;
  }

  .countdown-item {
    grid-template-columns: 1fr;
  }

  .countdown-side {
    justify-content: start;
  }
}