:root {
  color-scheme: dark;
  --bg: oklch(15% 0.018 255);
  --surface-1: oklch(18% 0.022 255);
  --surface-2: oklch(21% 0.024 255);
  --surface-3: oklch(24% 0.026 255);
  --text-primary: oklch(93% 0.018 255);
  --text-secondary: oklch(76% 0.024 255);
  --text-tertiary: oklch(61% 0.022 255);
  --text-muted: oklch(49% 0.018 255);
  --border: oklch(100% 0 0 / 0.12);
  --border-subtle: oklch(100% 0 0 / 0.075);
  --accent: oklch(72% 0.095 289);
  --accent-strong: oklch(80% 0.105 289);
  --accent-soft: color-mix(in oklch, var(--accent), transparent 88%);
  --accent-faint: color-mix(in oklch, var(--accent), transparent 94%);
  --success: oklch(72% 0.075 155);
  --danger: oklch(70% 0.095 25);
  --radius-sm: 9px;
  --radius-md: 13px;
  --radius-lg: 17px;
  --tap-size: 48px;
  --keyboard-inset: 0px;
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button {
  min-height: var(--tap-size);
  border: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

button:disabled {
  cursor: default;
  opacity: 0.5;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid color-mix(in oklch, var(--accent), transparent 28%);
  outline-offset: 3px;
}

textarea {
  resize: vertical;
}

.skip-link {
  position: fixed;
  z-index: 30;
  top: 10px;
  left: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface-3);
  color: var(--text-primary);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

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

#app-root {
  min-height: 100svh;
}

.security-blocked {
  display: grid;
  width: min(100%, 560px);
  min-height: 100svh;
  margin: 0 auto;
  align-content: center;
  gap: 8px;
  padding: calc(24px + env(safe-area-inset-top)) 20px calc(24px + env(safe-area-inset-bottom));
}

.security-blocked h1,
.security-blocked p {
  margin: 0;
}

.security-blocked p {
  color: var(--text-secondary);
}

.screen {
  width: min(100%, 760px);
  min-height: 100svh;
  margin: 0 auto;
  padding: calc(18px + env(safe-area-inset-top)) 16px calc(28px + env(safe-area-inset-bottom));
}

.screen.has-bottom-nav {
  padding-bottom: calc(112px + env(safe-area-inset-bottom));
}

.screen.form-screen {
  padding-bottom: calc(138px + var(--keyboard-inset) + env(safe-area-inset-bottom));
}

.screen.detail-screen {
  padding-bottom: calc(118px + env(safe-area-inset-bottom));
}

.screen-header,
.screen-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.screen-topbar {
  align-items: center;
  margin-bottom: 24px;
}

.screen-heading {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 6px;
  font-size: clamp(1.55rem, 6vw, 2rem);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

h2 {
  margin-bottom: 8px;
  font-size: 1.02rem;
  font-weight: 650;
  line-height: 1.35;
}

.screen-description,
.section-note,
.field-hint,
.calendar-note,
.empty-state p {
  color: var(--text-secondary);
}

.screen-description {
  max-width: 42rem;
  margin-bottom: 0;
  font-size: 0.92rem;
}

.text-button,
.back-button,
.month-button,
.today-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.text-button:hover,
.back-button:hover,
.month-button:hover,
.today-button:hover {
  background: var(--accent-faint);
  color: var(--text-primary);
}

.back-button {
  justify-content: flex-start;
  min-width: 80px;
  padding-inline: 0;
  text-align: left;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 700;
  line-height: 1.2;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.button:active {
  transform: translateY(1px);
}

.button.primary {
  background: var(--accent);
  color: oklch(20% 0.025 289);
}

.button.primary:hover {
  background: var(--accent-strong);
}

.button.secondary {
  border-color: var(--border);
  background: var(--surface-2);
  color: var(--text-primary);
}

.button.secondary:hover {
  border-color: color-mix(in oklch, var(--accent), var(--border) 40%);
  background: var(--surface-3);
}

.button.full-width {
  width: 100%;
}

.form-content {
  display: grid;
  gap: 22px;
}

.form-intro {
  padding-bottom: 2px;
  color: var(--text-tertiary);
  font-size: 0.86rem;
}

.field-group {
  display: grid;
  gap: 9px;
}

.field-label {
  display: grid;
  gap: 2px;
  color: var(--text-primary);
  font-size: 0.98rem;
  font-weight: 650;
}

.field-hint {
  font-size: 0.79rem;
  font-weight: 400;
  line-height: 1.45;
}

.field-control {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-1);
  color: var(--text-primary);
  caret-color: var(--accent-strong);
  font-size: 1rem;
  line-height: 1.65;
  transition: border-color 150ms ease, background-color 150ms ease;
}

.field-control:hover {
  border-color: oklch(100% 0 0 / 0.18);
}

.field-control:focus {
  border-color: color-mix(in oklch, var(--accent), white 6%);
  background: var(--surface-2);
}

.field-control:focus:not(:focus-visible) {
  outline: none;
}

.field-control::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

textarea.field-control {
  min-height: 156px;
  padding: 14px 15px;
}

input.field-control {
  min-height: 54px;
  padding: 11px 14px;
}

input[type="datetime-local"] {
  color-scheme: dark;
}

.datetime-group {
  margin-top: 4px;
  padding-top: 22px;
  border-top: 1px solid var(--border-subtle);
}

.datetime-note {
  margin: 0 0 10px;
  color: var(--text-tertiary);
  font-size: 0.82rem;
}

.form-message {
  min-height: 1.5em;
  margin: -4px 0 0;
  color: var(--danger);
  font-size: 0.88rem;
}

.draft-notice {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
  padding: 14px;
  border: 1px solid color-mix(in oklch, var(--accent), transparent 58%);
  border-radius: var(--radius-md);
  background: var(--accent-faint);
}

.draft-notice p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.draft-notice-actions .button {
  min-height: 44px;
  padding-inline: 13px;
  font-size: 0.86rem;
}

.fixed-action-bar {
  position: fixed;
  z-index: 15;
  right: 0;
  bottom: calc(var(--keyboard-inset) + env(safe-area-inset-bottom));
  left: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--border-subtle);
  background: color-mix(in oklch, var(--bg), transparent 5%);
  backdrop-filter: blur(16px);
}

.fixed-action-inner {
  width: min(100%, 728px);
  margin: 0 auto;
}

.fixed-action-bar .button {
  width: 100%;
}

.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
}

.month-title {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 650;
  letter-spacing: -0.015em;
}

.month-controls {
  display: flex;
  gap: 2px;
}

.month-button {
  width: 44px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 1.1rem;
}

.today-button {
  min-height: 40px;
  padding-inline: 12px;
  border: 1px solid var(--border);
  font-size: 0.82rem;
}

.calendar-panel {
  padding: 12px 10px 14px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface-1);
}

.weekday-row,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 4px;
}

.weekday-row {
  margin-bottom: 5px;
}

.weekday {
  padding: 4px 0;
  color: var(--text-tertiary);
  font-size: 0.72rem;
  font-weight: 650;
  text-align: center;
}

.calendar-day {
  display: flex;
  min-width: 0;
  min-height: 59px;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 5px;
  padding: 8px 2px 5px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
}

.calendar-day:hover {
  background: var(--surface-2);
}

.calendar-day.is-outside {
  color: var(--text-muted);
}

.calendar-day.is-today {
  border-color: oklch(100% 0 0 / 0.2);
}

.calendar-day.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text-primary);
}

.day-number {
  font-family: var(--font-mono);
  font-size: 0.83rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.dot-row {
  display: flex;
  min-height: 8px;
  align-items: center;
  gap: 3px;
}

.dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.more-mark {
  margin-left: 1px;
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  line-height: 1;
}

.calendar-note {
  margin: 13px 3px 0;
  font-size: 0.82rem;
}

.month-summary {
  margin: 0 0 18px;
  color: var(--text-tertiary);
  font-size: 0.84rem;
}

.day-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

.day-heading h1 {
  margin-bottom: 0;
}

.record-count {
  flex: 0 0 auto;
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.record-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.record-item {
  position: relative;
  overflow: hidden;
}

.record-swipe {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface-1);
}

.record-row {
  display: grid;
  position: relative;
  z-index: 2;
  width: 100%;
  grid-template-columns: 60px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 12px;
  padding: 15px 2px;
  border-bottom: 0;
  background: var(--bg);
  text-align: left;
  touch-action: pan-y;
  transform: translateX(calc(-1 * var(--swipe-distance, 0px)));
  transition: transform 180ms ease, background-color 150ms ease;
}

.record-swipe.is-dragging .record-row {
  transition: none;
}

.record-delete {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  bottom: 0;
  display: flex;
  width: 92px;
  min-height: 100%;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 0;
  background: color-mix(in oklch, var(--danger), var(--bg) 64%);
  color: color-mix(in oklch, var(--danger), white 26%);
  font-size: 0.9rem;
  font-weight: 700;
}

.record-delete:not(:disabled):hover {
  background: color-mix(in oklch, var(--danger), var(--bg) 50%);
}

.record-row:hover {
  background: var(--surface-1);
}

.record-time {
  color: var(--accent-strong);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.record-row-content {
  min-width: 0;
}

.record-title {
  overflow: hidden;
  margin-bottom: 2px;
  color: var(--text-primary);
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.record-preview {
  overflow: hidden;
  color: var(--text-tertiary);
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-arrow {
  color: var(--text-muted);
  font-size: 1.25rem;
  text-align: right;
}

.inline-action {
  width: 100%;
  margin-top: 20px;
}

.empty-state {
  padding: 30px 0 20px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border-subtle);
}

.empty-state h2 {
  margin-bottom: 8px;
}

.empty-state p {
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.detail-meta {
  margin: -10px 0 22px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

.detail-article {
  border-top: 1px solid var(--border);
}

.detail-block {
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.detail-block h2 {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.detail-copy {
  margin: 0;
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.8;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.detail-empty {
  color: var(--text-muted);
  font-style: italic;
}

.detail-action-bar {
  position: fixed;
  z-index: 12;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border-subtle);
  background: color-mix(in oklch, var(--bg), transparent 5%);
  backdrop-filter: blur(16px);
}

.detail-action-inner {
  width: min(100%, 728px);
  margin: 0 auto;
}

.bottom-nav {
  position: fixed;
  z-index: 14;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border-subtle);
  background: color-mix(in oklch, var(--bg), transparent 4%);
  backdrop-filter: blur(16px);
}

.nav-button {
  display: grid;
  min-height: 52px;
  place-items: center;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-tertiary);
  font-size: 0.84rem;
  font-weight: 650;
}

.nav-button:hover,
.nav-button.is-active {
  background: var(--accent-faint);
  color: var(--accent-strong);
}

.toast-region {
  position: fixed;
  z-index: 40;
  top: calc(12px + env(safe-area-inset-top));
  right: 16px;
  left: 16px;
  display: grid;
  justify-items: center;
  pointer-events: none;
}

.toast {
  max-width: min(100%, 420px);
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-3);
  color: var(--text-primary);
  font-size: 0.88rem;
  box-shadow: 0 8px 24px oklch(0% 0 0 / 0.24);
}

.toast.is-error {
  border-color: color-mix(in oklch, var(--danger), transparent 35%);
  color: color-mix(in oklch, var(--danger), white 26%);
}

.is-hidden {
  display: none !important;
}

@media (min-width: 720px) {
  .screen {
    padding-inline: 24px;
  }

  .screen.calendar-screen {
    width: min(100%, 820px);
  }

  .calendar-panel {
    padding-inline: 14px;
  }

  .calendar-day {
    min-height: 68px;
    padding-top: 10px;
  }

  .bottom-nav {
    right: auto;
    bottom: 16px;
    left: 50%;
    width: min(420px, calc(100% - 32px));
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transform: translateX(-50%);
  }

  .fixed-action-bar,
  .detail-action-bar {
    padding-inline: 24px;
  }

  .fixed-action-bar {
    padding-bottom: 18px;
  }

  .fixed-action-inner,
  .detail-action-inner {
    width: min(100%, 712px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

@media (max-width: 380px) {
  .screen {
    padding-inline: 13px;
  }

  .calendar-panel {
    padding-inline: 6px;
  }

  .weekday-row,
  .calendar-grid {
    gap: 2px;
  }

  .calendar-day {
    min-height: 56px;
  }

  .record-row {
    grid-template-columns: 52px minmax(0, 1fr) 18px;
    gap: 9px;
  }
}

@media (max-height: 560px) and (orientation: landscape) {
  .screen {
    padding-top: 14px;
  }

  .screen-header,
  .screen-topbar {
    margin-bottom: 18px;
  }
}

body.keyboard-open .bottom-nav {
  display: none;
}