:root {
  color-scheme: light;
  font-family:
    "SF Pro Text", Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --bg: #f5f7fb;
  --surface-1: #ffffff;
  --surface-2: #f1f4fa;
  --surface-3: #eef2f8;
  --accent-soft: #eef1ff;
  --hairline: #dde3ee;
  --hairline-strong: #cbd3e1;
  --ink: #11131a;
  --ink-muted: #4f586b;
  --ink-subtle: #70798c;
  --primary: #5e6ad2;
  --primary-hover: #6f7be6;
  --primary-focus: #cfd5ff;
  --danger: #c03d4e;
  --success: #1f8f55;
  --shadow: 0 18px 50px rgba(17, 19, 26, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(94, 106, 210, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(94, 106, 210, 0.08), transparent 280px),
    var(--bg);
}

button,
input,
a {
  font: inherit;
}

button,
a {
  cursor: pointer;
}

a {
  text-decoration: none;
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 0 40px;
  display: flex;
  align-items: center;
}

.workspace {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: 18px;
  background: var(--surface-1);
  box-shadow: var(--shadow);
}

.topbar,
.auth-strip,
.storage-strip,
.task-entry,
.dashboard,
.locked-state {
  padding: 24px 28px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--hairline);
  background:
    linear-gradient(90deg, rgba(94, 106, 210, 0.12), transparent 52%),
    var(--surface-1);
}

.eyebrow,
.section-label {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section-label {
  color: var(--ink-subtle);
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

h2 {
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.topbar-copy,
.auth-description,
.locked-state p {
  margin: 10px 0 0;
  max-width: 680px;
  color: var(--ink-muted);
  font-size: 0.96rem;
  line-height: 1.55;
}

.status-meter {
  width: min(260px, 36vw);
  display: grid;
  gap: 8px;
  color: var(--ink-muted);
  font-weight: 700;
  text-align: right;
}

.meter-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e9edf6;
}

.meter-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--success));
  transition: width 180ms ease;
}

.auth-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--hairline);
  background: var(--accent-soft);
}

.auth-copy {
  display: grid;
  gap: 8px;
}

.auth-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.auth-message {
  min-height: 20px;
  margin: 0;
  color: var(--ink-subtle);
  font-size: 0.92rem;
}

.auth-message[data-state="signed-in"] {
  color: var(--success);
}

.auth-message[data-state="session-expired"] {
  color: var(--danger);
}

.auth-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.provider-button,
.secondary-action,
.delete-button,
.filter-button {
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 14px;
  font-size: 0.92rem;
  font-weight: 650;
}

.provider-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: var(--primary);
}

.provider-button:hover,
.provider-button:focus-visible {
  background: var(--primary-hover);
}

.secondary-action {
  color: var(--ink-muted);
  border-color: var(--hairline);
  background: var(--surface-1);
}

.user-pill,
#storage-path {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 650;
}

.storage-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--hairline);
  background: var(--surface-1);
}

#storage-mode {
  font-size: 1rem;
}

#storage-path {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink-muted);
  background: var(--surface-2);
}

.locked-state {
  display: grid;
  gap: 10px;
  background:
    linear-gradient(180deg, rgba(94, 106, 210, 0.06), transparent),
    var(--surface-2);
}

.task-entry {
  border-bottom: 1px solid var(--hairline);
}

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

.todo-form label {
  color: var(--ink-muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.entry-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 48px;
  gap: 10px;
}

.entry-row input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 0 14px;
  color: var(--ink);
  background: var(--surface-1);
}

.entry-row input:focus {
  border-color: var(--primary);
  outline: 3px solid var(--primary-focus);
}

.entry-row button {
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 10px;
  color: #fff;
  background: var(--primary);
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1;
}

.entry-hint {
  margin: 0;
  color: var(--ink-subtle);
  font-size: 0.88rem;
}

.form-message {
  min-height: 20px;
  margin: 0;
  color: var(--danger);
  font-size: 0.9rem;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
}

.calendar-panel {
  border-right: 1px solid var(--hairline);
  background:
    linear-gradient(180deg, rgba(94, 106, 210, 0.08), transparent 180px),
    var(--surface-2);
}

.calendar-card,
.dashboard {
  display: grid;
  gap: 20px;
  padding: 24px 28px;
}

.calendar-header,
.calendar-detail,
.calendar-agenda-heading,
.calendar-form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.calendar-copy,
.calendar-detail-copy,
.calendar-detail-holiday {
  margin: 8px 0 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.calendar-detail {
  align-items: flex-start;
  padding: 18px;
  border: 1px solid rgba(94, 106, 210, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.84);
}

.calendar-detail-copy-block {
  display: grid;
  gap: 10px;
}

.calendar-detail-main {
  display: flex;
  align-items: center;
  gap: 16px;
}

.calendar-selected-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #8390f0);
  font-size: 2rem;
  font-weight: 760;
  letter-spacing: -0.04em;
}

.calendar-nav {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}

.calendar-interaction-hint {
  margin: 0;
  max-width: 420px;
  color: var(--ink-subtle);
  font-size: 0.88rem;
  line-height: 1.5;
}

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

.calendar-weekdays {
  gap: 8px;
  color: var(--ink-subtle);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.calendar-grid {
  gap: 8px;
}

.calendar-day {
  min-height: 90px;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
  text-align: left;
}

.calendar-day:hover,
.calendar-day:focus-visible {
  border-color: rgba(94, 106, 210, 0.28);
  outline: none;
}

.calendar-day.is-selected {
  border-color: var(--primary);
  background: rgba(94, 106, 210, 0.1);
  box-shadow: inset 0 0 0 1px rgba(94, 106, 210, 0.08);
}

.calendar-day.is-today .calendar-day-number {
  color: var(--primary);
}

.calendar-day.is-outside {
  opacity: 0.58;
}

.calendar-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.calendar-day-number {
  font-size: 1rem;
  font-weight: 720;
}

.calendar-day-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  min-height: 22px;
  border-radius: 999px;
  padding: 0 7px;
  color: #fff;
  background: var(--primary);
  font-size: 0.74rem;
  font-weight: 700;
}

.calendar-day-titles {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ink-subtle);
  font-size: 0.76rem;
}

.calendar-day-titles li {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar-day-more {
  color: var(--ink-subtle);
  font-size: 0.76rem;
  font-weight: 650;
}

.calendar-menu {
  position: fixed;
  z-index: 20;
  min-width: 220px;
  padding: 8px;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 45px rgba(17, 19, 26, 0.16);
}

.calendar-menu-button,
.text-action,
.agenda-link {
  border: 0;
  padding: 0;
  color: var(--primary);
  background: transparent;
  font-weight: 700;
}

.calendar-menu-button {
  width: 100%;
  min-height: 40px;
  border-radius: 10px;
  padding: 0 12px;
  text-align: left;
}

.calendar-menu-button:hover,
.calendar-menu-button:focus-visible {
  background: var(--accent-soft);
  outline: none;
}

.calendar-form {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--hairline);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
}

.calendar-form label {
  color: var(--ink-muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.calendar-form input {
  min-height: 42px;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 0 12px;
  color: var(--ink);
  background: var(--surface-1);
}

.calendar-form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.calendar-form-row button {
  min-width: 94px;
  border: 0;
  border-radius: 10px;
  padding: 0 16px;
  color: #fff;
  background: var(--primary);
  font-weight: 700;
}

.calendar-agenda {
  display: grid;
  gap: 12px;
}

.agenda-count {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border-radius: 999px;
  padding: 0 12px;
  color: var(--ink-subtle);
  background: rgba(255, 255, 255, 0.84);
  font-size: 0.82rem;
  font-weight: 700;
}

.calendar-agenda-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.agenda-item,
.todo-schedule {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.agenda-item {
  padding: 14px;
  border: 1px solid rgba(94, 106, 210, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
}

.agenda-item.is-completed {
  background: rgba(255, 255, 255, 0.5);
}

.agenda-item-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.agenda-item-copy strong {
  overflow-wrap: anywhere;
}

.agenda-meta,
.todo-schedule {
  color: var(--ink-subtle);
  font-size: 0.84rem;
}

.calendar-agenda-empty {
  padding: 18px;
  border: 1px dashed rgba(94, 106, 210, 0.24);
  border-radius: 16px;
  color: var(--ink-muted);
  background: rgba(255, 255, 255, 0.68);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.summary-cell {
  min-height: 82px;
  padding: 16px;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: var(--surface-2);
}

.summary-cell span {
  display: block;
  font-size: 2rem;
  font-weight: 750;
}

.summary-cell small {
  color: var(--ink-muted);
  font-weight: 650;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.segmented {
  display: inline-grid;
  grid-template-columns: repeat(3, minmax(76px, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--surface-3);
}

.filter-button,
.secondary-action,
.delete-button,
.edit-button,
.cancel-button,
.save-button {
  min-height: 36px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 12px;
  color: var(--ink-subtle);
  background: transparent;
}

.filter-button.is-active {
  color: var(--primary);
  background: var(--surface-1);
}

.todo-list {
  display: grid;
  gap: 10px;
  min-height: 180px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.todo-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 14px;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: var(--surface-1);
}

.todo-item.is-completed {
  background: var(--surface-2);
}

.todo-item.is-editing {
  align-items: start;
}

.todo-item.is-completed strong {
  color: var(--ink-muted);
  text-decoration: line-through;
}

.check-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.check-wrap input {
  position: absolute;
  opacity: 0;
}

.check-wrap span {
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--hairline-strong);
  border-radius: 999px;
  background: var(--surface-1);
}

.check-wrap input:checked + span {
  border-color: var(--primary);
  background:
    radial-gradient(circle at center, var(--primary) 0 45%, transparent 46%),
    var(--surface-1);
}

.todo-copy {
  display: grid;
  gap: 6px;
}

.todo-title {
  font-size: 0.98rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.todo-meta {
  color: var(--ink-subtle);
}

.todo-schedule {
  justify-content: flex-start;
}

.todo-edit-shell {
  display: grid;
  gap: 6px;
}

.todo-edit-input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: var(--surface-1);
}

.entry-row input:focus,
.todo-edit-input:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(94, 106, 210, 0.18);
}

.todo-edit-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.84rem;
}

.todo-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.edit-button,
.cancel-button {
  border-color: var(--hairline);
  background: var(--surface-1);
}

.save-button {
  color: #fff;
  border-color: var(--primary);
  background: var(--primary);
}

.delete-button {
  color: var(--danger);
  background: transparent;
}

.todo-item.is-revealed {
  border-color: rgba(94, 106, 210, 0.44);
  box-shadow: 0 0 0 4px rgba(94, 106, 210, 0.12);
}

.delete-button:disabled,
.secondary-action:disabled,
.filter-button:disabled,
.entry-row button:disabled,
.entry-row input:disabled,
.calendar-form-row button:disabled,
.calendar-form input:disabled,
.agenda-link:disabled,
.text-action:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.empty-state {
  display: none;
  gap: 12px;
  justify-items: start;
  padding: 28px;
  border: 1px dashed var(--hairline-strong);
  border-radius: 16px;
  background: var(--surface-2);
}

.empty-state.is-visible {
  display: grid;
}

.empty-state p {
  margin: 0;
  color: var(--ink-muted);
  line-height: 1.6;
}

.empty-visual {
  display: inline-flex;
  gap: 8px;
}

.empty-visual span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--primary);
  opacity: 0.22;
}

.empty-visual span:nth-child(2) {
  opacity: 0.42;
}

.empty-visual span:nth-child(3) {
  opacity: 0.68;
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100%, calc(100% - 20px));
    padding: 16px 0 24px;
  }

  .topbar,
  .auth-strip,
  .storage-strip,
  .task-entry,
  .dashboard,
  .locked-state {
    padding: 20px 18px;
  }

  .topbar,
  .auth-strip,
  .storage-strip,
  .toolbar,
  .calendar-header,
  .calendar-detail,
  .calendar-agenda-heading,
  .calendar-form-header {
    flex-direction: column;
    align-items: stretch;
  }

  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .calendar-panel {
    border-right: 0;
    border-bottom: 1px solid var(--hairline);
  }

  .calendar-card,
  .dashboard {
    padding: 20px 18px;
  }

  .status-meter {
    width: 100%;
    text-align: left;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .todo-item {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .todo-actions {
    grid-column: 2;
    justify-self: start;
    padding: 0;
  }

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

  .agenda-item,
  .todo-schedule {
    align-items: flex-start;
  }
}