@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap");

/* ===== Base Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== Theme Tokens (Light) ===== */
:root {
  --bg: #f4f7fb;
  --bg-overlay:
    radial-gradient(circle at 12% 15%, #d2f5ea 0%, transparent 45%),
    radial-gradient(circle at 85% 5%, #f9d8b6 0%, transparent 32%),
    radial-gradient(circle at 92% 82%, #d8e3ff 0%, transparent 42%);
  --panel: rgba(255, 255, 255, 0.85);
  --panel-strong: #ffffff;
  --panel-soft: #f6f9ff;
  --text: #0f172a;
  --text-muted: #41526b;
  --text-soft: #6a7b93;
  --border: rgba(84, 101, 132, 0.24);
  --accent: #0f766e;
  --accent-2: #ea580c;
  --accent-hover: #0b5f58;
  --accent-gradient: var(--accent);
  --danger: #b91c1c;
  --focus-ring: color-mix(in srgb, var(--accent) 62%, white);
  --focus-ring-width: 3px;
  --focus-ring-offset: 3px;
  --btn-bg: color-mix(in srgb, var(--panel-strong) 86%, transparent);
  --btn-bg-hover: color-mix(in srgb, var(--panel-strong) 94%, transparent);
  --shadow-md: 0 14px 32px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 40px rgba(15, 23, 42, 0.14);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: 0s;
  --content-max: 760px;
  --header-btn-size: 40px;
  --header-top-offset: 22px;
}

/* ===== Theme Tokens (Dark) ===== */
body.dark {
  --bg: #09111d;
  --bg-overlay:
    radial-gradient(
      circle at 15% 20%,
      rgba(14, 116, 110, 0.2) 0%,
      transparent 45%
    ),
    radial-gradient(
      circle at 85% 10%,
      rgba(234, 88, 12, 0.2) 0%,
      transparent 30%
    ),
    radial-gradient(
      circle at 90% 84%,
      rgba(2, 132, 199, 0.2) 0%,
      transparent 44%
    );
  --panel: rgba(15, 23, 42, 0.82);
  --panel-strong: #121f33;
  --panel-soft: #1a2b44;
  --text: #e2e8f0;
  --text-muted: #b6c2d2;
  --text-soft: #8ea0ba;
  --border: rgba(148, 163, 184, 0.28);
  --accent: #14b8a6;
  --accent-2: #fb923c;
  --accent-hover: #0d9488;
  --accent-gradient: var(--accent);
  --danger: #f87171;
  --focus-ring: color-mix(in srgb, var(--accent) 76%, white);
  --btn-bg: color-mix(in srgb, var(--panel-strong) 82%, transparent);
  --btn-bg-hover: color-mix(in srgb, var(--panel-strong) 92%, transparent);
  --shadow-md: 0 16px 34px rgba(2, 6, 23, 0.42);
  --shadow-lg: 0 28px 46px rgba(2, 6, 23, 0.58);
}

/* ===== Scrollbars ===== */
* {
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--text-soft) 46%, transparent)
    color-mix(in srgb, var(--panel-soft) 58%, transparent);
}

*::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

*::-webkit-scrollbar-track {
  background: color-mix(in srgb, var(--panel-soft) 58%, transparent);
  border-radius: 999px;
}

*::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--text-soft) 46%, transparent);
  border-radius: 999px;
}

/* ===== App Layout ===== */
body {
  min-height: 100vh;
  background: var(--bg);
  background-image: var(--bg-overlay);
  color: var(--text);
  font-family: "Manrope", "Segoe UI", sans-serif;
  display: flex;
  justify-content: center;
  padding: 22px 16px 16px;
  position: relative;
  transition:
    background-color var(--transition),
    color var(--transition);
}

#app-root {
  width: 100%;
}

@supports (display: contents) {
  #app-root {
    display: contents;
    width: auto;
  }
}

.container {
  width: 100%;
  max-width: 560px;
  margin-inline: auto;
  padding-bottom: 104px;
}

.page {
  display: none;
}

.page.active {
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: fade-up 0.45s ease;
  align-items: center;
}

#page-menu.active {
  padding-top: calc(var(--header-top-offset) + var(--header-btn-size) + 10px);
}

.page.active > .header,
.page.active > .card {
  width: min(100%, var(--content-max));
  margin-inline: auto;
}

.page.active > .header {
  justify-content: center;
  position: relative;
}

.page.active > .header .back-btn {
  position: absolute;
  left: 66px;
  width: auto;
}

/* ===== Motion ===== */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Typography ===== */
.header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page.active > .header {
  margin-bottom: 8px;
  min-height: var(--header-btn-size);
}

h2 {
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.title-with-icon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.title-icon {
  width: 1.15em;
  height: 1.15em;
  flex: 0 0 auto;
}

/* Keep the "Tools" text itself centered even with the icon on the left. */
#title-tools {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  column-gap: 10px;
}

#title-tools::after {
  content: "";
  width: 1.15em;
  height: 1.15em;
}

h3 {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* ===== Surfaces and Cards ===== */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  padding: clamp(14px, 2.6vw, 22px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: visible;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    background-color var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

/* ===== Menu ===== */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding-bottom: 88px;
}

.menu-btn {
  color: var(--text);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 18px 10px;
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
  min-height: 64px;
  text-wrap: balance;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.menu-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

/* ===== Shared Inputs and Buttons ===== */
input,
select,
textarea,
button {
  width: 100%;
  font: inherit;
  color: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-soft) 82%, transparent);
  padding: 11px 12px;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition),
    background-color var(--transition);
}

input,
select,
textarea {
  max-width: 100%;
  min-width: 0;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--panel-strong) 86%, transparent);
}

:where(button, input, select, textarea, a[href], [tabindex]):focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring) !important;
  outline-offset: var(--focus-ring-offset);
}

button {
  cursor: pointer;
  min-height: 44px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

button:not(.primary):not(.theme-toggle):not(.lang-toggle) {
  background: var(--btn-bg);
  border-color: var(--border);
}

button:not(.primary):not(.theme-toggle):not(.lang-toggle):hover {
  background: var(--btn-bg-hover);
  border-color: color-mix(in srgb, var(--accent) 34%, var(--border));
}

button:not(.primary):not(.theme-toggle):not(.lang-toggle):active {
  transform: translateY(0);
}

button.primary {
  background: var(--accent);
  color: #f8fafc;
  border: none;
  font-weight: 700;
}

button.primary:hover {
  background: var(--accent-hover);
  box-shadow: none;
}

button.primary:active {
  transform: translateY(0);
}

/* ===== Shared Utility Classes ===== */
.back-btn,
.icon-btn,
.calendar-today-btn,
.lang-toggle {
  width: auto;
}

.back-btn {
  min-width: 84px;
  min-height: var(--header-btn-size);
  height: var(--header-btn-size);
  padding: 0 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.row > * {
  min-width: 0;
}

.flex-1 {
  flex: 1;
}

.result {
  background: color-mix(in srgb, var(--panel-soft) 86%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 0.98rem;
  word-break: break-word;
}

.result-large {
  font-size: clamp(1.8rem, 6vw, 2.4rem);
  font-weight: 800;
  font-family: "Space Grotesk", "Manrope", sans-serif;
  letter-spacing: 0.02em;
}

.center {
  text-align: center;
}

.right {
  text-align: right;
}

.small-text {
  font-size: 0.82rem;
  color: var(--text-soft);
}

.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;
}

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

/* ===== Weather: Metrics and Sections ===== */
.metric-row {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
}

.weather-groups {
  display: grid;
  gap: 10px;
}

.weather-sections {
  display: grid;
  gap: 10px;
}

.weather-group {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-soft) 82%, transparent);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.weather-group-title {
  margin: 0 0 10px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.weather-main {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.weather-forecast {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-strong) 84%, transparent);
}

.metric-item-sun span:last-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-item-forecast {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.metric-forecast-value {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.weather-condition-line {
  margin-top: -2px;
}

.metric-icon {
  font-size: 1.15rem;
  width: 22px;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.icon-svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  display: block;
}

.metric-icon-svg {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
}

.metric-value {
  font-size: 1rem;
  font-weight: 700;
}

.metric-caption,
.metric-unit {
  color: var(--text-soft);
  font-size: 0.78rem;
}

.metric-unit {
  margin-left: 3px;
}

.location-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.location-text {
  font-size: 0.94rem;
  color: var(--text-muted);
  word-break: break-word;
}

.update-time {
  display: none;
}

/* ===== Weather: Manual Coordinates ===== */
.weather-manual-toggle-wrap {
  margin-top: 4px;
}

.weather-manual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

#weather-apply-btn {
  margin-top: 2px;
}

.weather-manual-grid > div,
.time-pair > div,
.date-time-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ===== Weather: Favorites and Presets ===== */
.weather-fav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.weather-fav-header .weather-group-title {
  margin-bottom: 0;
}

.weather-fav-actions,
.weather-favorites-list,
.weather-presets-list,
.converter-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.weather-fav-actions .icon-btn {
  width: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
}

.weather-fav-chip,
.preset-chip {
  width: auto;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-soft) 90%, transparent);
  color: var(--text-muted);
}

.weather-fav-chip {
  padding: 8px 12px;
}

.weather-fav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
}

.weather-fav-main {
  flex: 1;
  text-align: left;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.weather-fav-item-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.weather-fav-mini-btn {
  min-width: 36px;
  min-height: 36px;
  padding: 0;
  border-radius: 10px;
  font-size: 0.9rem;
}

.weather-fav-mini-btn.active {
  background: color-mix(in srgb, var(--panel-soft) 92%, transparent);
  color: var(--text);
  border-color: var(--border);
}

.weather-fav-item.is-home .weather-fav-main {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
}

.preset-chip {
  padding: 6px 11px;
  font-size: 0.76rem;
  font-weight: 700;
}

.weather-fav-chip:hover,
.preset-chip:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--text);
}

.time-format-btn {
  width: auto;
  flex: 0 0 auto;
}

.world-time-add-row,
.world-time-manage-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.world-time-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.world-time-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.world-time-remove {
  width: 36px;
  min-width: 36px;
  min-height: 36px;
  padding: 0;
}

/* ===== Calendar ===== */
.calendar-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.calendar-title {
  text-align: center;
  flex: 1;
  min-width: 0;
  font-weight: 700;
}

.calendar-nav-btn {
  width: 44px;
  min-width: 44px;
  height: 44px;
  padding: 0;
  font-size: 1.05rem;
}

.calendar-today-btn {
  margin-top: 0;
  align-self: auto;
  font-size: 0.82rem;
  font-weight: 700;
}

.calendar-pick-mode {
  margin-top: 8px;
  display: flex;
  gap: 8px;
  justify-content: center;
}

.calendar-pick-btn {
  width: auto;
  min-height: 36px;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--text);
  border-color: var(--border);
}

.calendar-pick-btn:hover {
  background: var(--btn-bg-hover);
  color: var(--text);
}

.calendar-pick-btn.active {
  background: var(--accent);
  color: #f8fafc;
  border-color: transparent;
}

.calendar-pick-btn.pick-pending {
  filter: saturate(0.55) opacity(0.72);
}

.calendar-pick-btn.active:hover,
.calendar-pick-btn.active:focus-visible,
.calendar-pick-btn.active:active {
  background: var(--accent);
  color: #f8fafc;
  border-color: transparent;
}

body.dark .calendar-pick-btn.active {
  color: #f8fafc;
}

.calendar-grid {
  margin-top: 12px;
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  text-align: center;
}

.calendar-week-start-toggle {
  margin-top: 8px;
}

.calendar-day {
  min-height: 40px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-soft) 88%, transparent);
  font-size: 0.86rem;
}

.calendar-day-clickable {
  cursor: pointer;
}

.calendar-day-clickable:hover {
  border-color: color-mix(in srgb, var(--accent) 44%, var(--border));
}

.calendar-day.weekday {
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--panel-strong) 94%, transparent);
}

.calendar-day.empty {
  border-style: dashed;
  border-color: transparent;
  background: transparent;
}

.calendar-day.today {
  color: color-mix(in srgb, var(--accent) 80%, var(--text));
  border-color: color-mix(in srgb, var(--accent) 80%, var(--border));
  font-weight: 800;
}

.calendar-day.selected-start,
.calendar-day.selected-end {
  background: color-mix(in srgb, var(--accent) 22%, var(--panel-strong));
  border-color: color-mix(in srgb, var(--accent) 72%, var(--border));
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
  font-weight: 800;
}

.calendar-day.in-range {
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-soft));
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}

/* ===== Date Difference ===== */
.date-time-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.date-input-grid {
  display: grid;
  grid-template-columns: 1fr 136px;
  gap: 8px;
  align-items: center;
}

.date-time-grid .date-time-block {
  display: grid;
  grid-template-columns: 1fr 136px;
  gap: 6px 8px;
  align-items: start;
}

.date-time-grid .date-time-block > label[for="date1"],
.date-time-grid .date-time-block > label[for="date2"] {
  grid-column: 1;
  grid-row: 1;
  margin: 0;
}

.date-time-grid .date-time-block > label[for="date1-year"],
.date-time-grid .date-time-block > label[for="date2-year"] {
  grid-column: 2;
  grid-row: 1;
  justify-self: start;
  margin: 0;
}

.date-time-grid .date-time-block > .date-input-grid {
  grid-column: 1 / -1;
  grid-row: 2;
}

.date-time-grid .date-time-block > .time-pair {
  grid-column: 1 / -1;
  grid-row: 3;
}

.date-input-labels {
  display: grid;
  grid-template-columns: 1fr 136px;
  gap: 8px;
  align-items: end;
  margin: 0;
}

.date-input-labels .small-text:last-child {
  justify-self: start;
}

.time-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  width: auto;
}

.checkbox-row {
  margin: 6px 0;
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
}

/* ===== Converter ===== */
.converter-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.converter-precision-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 10px;
  align-items: center;
}

.converter-precision-row label,
.converter-precision-row input[type="range"] {
  grid-column: 1 / -1;
}

.converter-precision-row span {
  justify-self: end;
}

input[type="range"] {
  border: 0;
  padding: 0;
  background: transparent;
}

.currency-layout {
  margin-top: 0;
}

.currency-caption-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 8px;
  margin-top: -4px;
}

#cur-from-caption,
#cur-to-caption {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#cur-to-caption {
  text-align: right;
}

.icon-btn {
  min-width: 48px;
  padding: 11px 14px;
  flex: 0 0 auto;
}

/* ===== Calculator ===== */
.calc-expression-preview,
.calc-mode-row {
  margin-bottom: 6px;
}

.calc-history-title {
  margin-bottom: 2px;
}

.calc-memory-row {
  margin-bottom: 6px;
  align-items: center;
}

.calc-memory-row .icon-btn {
  min-width: 56px;
  padding: 8px 10px;
}

.calc-memory-value {
  margin-left: auto;
  white-space: nowrap;
}

.calc-mode-row > #calc-mode-btn {
  flex: 1;
  min-width: 0;
}

.calc-buttons {
  display: block;
}

.calc-grid {
  display: grid;
  gap: 7px;
}

.calc-grid-basic {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.calc-grid-scientific {
  display: none;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.calc-buttons.calc-scientific .calc-grid-basic {
  display: none;
}

.calc-buttons.calc-scientific .calc-grid-scientific {
  display: grid;
}

.calc-btn {
  border: 1px solid var(--border);
  border-radius: 11px;
  background: color-mix(in srgb, var(--panel-soft) 88%, transparent);
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition);
}

.calc-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
}

.calc-btn.operator,
.calc-btn.utility {
  color: var(--accent);
  background: color-mix(in srgb, var(--panel-strong) 88%, transparent);
}

.calc-btn.equals {
  color: #f8fafc;
  border-color: transparent;
  background: var(--accent);
}

.calc-btn.equals:hover {
  background: var(--accent-hover);
}

.calc-btn.scientific {
  display: flex;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.calc-btn.scientific.utility,
.calc-btn.scientific.operator {
  color: var(--accent);
  background: color-mix(in srgb, var(--panel-strong) 88%, transparent);
}

.calc-btn.scientific.equals {
  color: #f8fafc;
}

.calc-equals {
  grid-column: auto;
}

#page-calc .primary {
  background: var(--accent);
}

#page-calc .primary:hover {
  background: var(--accent-hover);
  box-shadow: none;
}

#page-calendar .primary {
  background: var(--accent);
}

#page-calendar .primary:hover {
  background: var(--accent-hover);
  box-shadow: none;
}

.calc-history {
  margin-top: 0;
  max-height: 124px;
  overflow: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-soft) 90%, transparent);
  padding: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.calc-history-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  background: inherit;
  border-bottom: 1px dashed color-mix(in srgb, var(--border) 80%, transparent);
}

.calc-history-item:last-child {
  border-bottom: none;
}

.calc-history-entry {
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

button.calc-history-remove-btn {
  width: 22px;
  min-width: 22px;
  min-height: 22px;
  padding: 0;
  border: 0;
  background: inherit !important;
  color: var(--text-soft);
  border-radius: 6px;
  flex: 0 0 22px;
  box-shadow: none;
}

.calc-history-remove-btn svg {
  width: 14px;
  height: 14px;
}

button.calc-history-remove-btn:hover {
  background: inherit !important;
  border-color: transparent !important;
  color: var(--danger);
}

.timer-input-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.stopwatch-laps {
  max-height: 180px;
}

/* ===== Text Editor ===== */
.text-analysis {
  padding: 4px 0;
  display: grid;
  gap: 4px;
  line-height: 1.35;
}

.text-input-wrap {
  position: relative;
}

.text-input-wrap.drag-over #text-input {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--panel-strong) 90%, var(--accent) 10%);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent) inset;
}

.text-top-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 6px;
}

.text-tools-accordion {
  display: grid;
  gap: 8px;
}

.text-tools-summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 36px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.text-tools-summary::-webkit-details-marker {
  display: none;
}

.text-tools-accordion[open] .text-tools-summary {
  background: color-mix(in srgb, var(--panel-soft) 54%, transparent);
}

.text-tools-summary-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.text-tools-chevron {
  width: 16px;
  height: 16px;
}

.text-tools-chevron-down {
  display: none;
}

.text-tools-accordion[open] .text-tools-chevron-right {
  display: none;
}

.text-tools-accordion[open] .text-tools-chevron-down {
  display: block;
}

.text-actions-groups {
  display: grid;
  gap: 8px;
}

.text-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.text-transform-row {
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 2px;
}

.text-encoding-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: center;
}

#text-save-encoding {
  min-height: 36px;
  padding: 7px 10px;
  font-size: 0.8rem;
}

#text-save-type {
  min-height: 36px;
  padding: 7px 10px;
  font-size: 0.8rem;
}

#text-save-btn {
  min-width: 76px;
}

.converter-favorite-btn {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
}

.converter-favorite-btn.active {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 62%, var(--border));
  background: color-mix(in srgb, var(--accent) 16%, var(--panel-strong));
}

.text-find-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
  align-items: center;
}

.text-find-row input {
  min-height: 36px;
  padding: 7px 10px;
  font-size: 0.8rem;
}

.text-find-row #text-find-input,
.text-replace-row #text-replace-input {
  min-width: 0;
}

.text-replace-row {
  grid-template-columns: minmax(0, 1fr) auto auto;
}

.text-find-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
}

.text-find-options .checkbox-label {
  gap: 6px;
}

.text-find-status-row {
  min-height: 18px;
}

.text-action-btn {
  width: auto;
  min-height: 36px;
  padding: 7px 12px;
  font-size: 0.8rem;
  font-weight: 700;
}

.text-copy-btn,
.text-fullscreen-btn {
  width: 36px;
  min-width: 36px;
  height: 36px;
  min-height: 36px;
  padding: 0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  background: var(--btn-bg);
  border: 1px solid var(--border);
}

.text-copy-btn:hover,
.text-fullscreen-btn:hover {
  background: color-mix(
    in srgb,
    var(--accent) 32%,
    var(--panel-strong)
  ) !important;
  border-color: color-mix(in srgb, var(--accent) 56%, var(--border));
}

.text-copy-btn:active,
.text-fullscreen-btn:active,
.text-fullscreen-btn.active {
  background: color-mix(
    in srgb,
    var(--accent) 62%,
    var(--panel-strong)
  ) !important;
  border-color: color-mix(in srgb, var(--accent) 72%, var(--border));
}

.text-copy-btn:focus-visible,
.text-fullscreen-btn:focus-visible {
  background: color-mix(in srgb, var(--accent) 28%, var(--panel-strong));
}

.text-copy-btn .btn-icon,
.text-fullscreen-btn .btn-icon {
  width: 16px;
  height: 16px;
}

.text-copy-btn::after {
  content: attr(data-copy-feedback);
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  padding: 4px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-4px) scale(0.96);
  pointer-events: none;
}

.text-copy-btn.copy-ok::after,
.text-copy-btn.copy-fail::after {
  animation: copy-feedback-in-out 0.95s ease forwards;
}

.text-input-wrap.text-input-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 1200;
  background: var(--bg);
  border: 0;
  border-radius: 0;
  padding: 14px;
  box-shadow: var(--shadow-lg);
}

.text-input-wrap.text-input-fullscreen #text-input {
  height: 100%;
  min-height: 0;
  aspect-ratio: auto;
  border-radius: var(--radius-md);
}

body.text-immersive-active .floating-actions,
body.text-immersive-active .app-footer {
  display: none;
}

@keyframes copy-feedback-in-out {
  0% {
    opacity: 0;
    transform: translateY(-4px) scale(0.96);
  }
  20% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  75% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-4px) scale(0.96);
  }
}

textarea {
  resize: none;
}

/* ===== Paint & Media ===== */
body.paint-page-active .container {
  max-width: min(100vw - 24px, 1480px);
}

#page-paint.active {
  align-items: stretch;
  gap: 10px;
  min-height: calc(100dvh - 128px);
}

#page-paint.active > .header {
  width: 100%;
}

#page-paint {
  --paint-control-size: 44px;
}

#page-paint .paint-controls {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  z-index: 5;
}

#page-paint .paint-controls :is(button, input, select) {
  min-height: var(--paint-control-size);
}

.paint-top-hover-zone {
  display: none;
}

.paint-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.paint-toolbar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 6px;
}

.paint-toolbar-actions {
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 2px 0 4px;
  -webkit-overflow-scrolling: touch;
}

.paint-toolbar-main {
  flex-wrap: nowrap;
}

.paint-toolbar-actions .toolbar-icon-btn[id^="paint-panel-"].active {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--panel-strong) 86%, transparent);
}

.paint-toolbar-actions .toolbar-icon-btn#paint-fullscreen-btn.active {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--panel-strong) 86%, transparent);
}

.paint-toolbar-actions .toolbar-icon-btn[id^="paint-shape-"].active,
#paint-grid-btn.active,
.paint-toolbar-actions .toolbar-icon-btn[id^="paint-tool-"].active,
#paint-select-btn.active,
#paint-text-fonts-btn.active {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--panel-strong) 86%, transparent);
}

.toolbar-icon-btn {
  width: var(--paint-control-size);
  min-width: var(--paint-control-size);
  height: var(--paint-control-size);
  min-height: var(--paint-control-size);
  padding: 0;
}

#paint-color,
#paint-back-color {
  width: var(--paint-control-size);
  min-width: var(--paint-control-size);
  height: var(--paint-control-size);
  min-height: var(--paint-control-size);
  padding: 6px;
  cursor: pointer;
}

#paint-color::-webkit-color-swatch-wrapper,
#paint-back-color::-webkit-color-swatch-wrapper {
  padding: 0;
}

#paint-color::-webkit-color-swatch,
#paint-back-color::-webkit-color-swatch {
  border: 1px solid var(--border);
  border-radius: 2px;
}

#paint-color::-moz-color-swatch,
#paint-back-color::-moz-color-swatch {
  border: 1px solid var(--border);
  border-radius: 2px;
}

.paint-common-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(88px, 120px);
  gap: 8px;
  margin-top: 2px;
  align-items: end;
}

.paint-toolbar-main .paint-common-controls {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 0;
  margin-left: 4px;
  flex: 0 0 auto;
}

.paint-toolbar-main .paint-common-controls .paint-field {
  gap: 0;
}

.paint-toolbar-main .paint-common-controls .paint-field > span {
  display: none;
}

.paint-toolbar-main #paint-color,
.paint-toolbar-main #paint-back-color {
  width: var(--paint-control-size);
  min-width: var(--paint-control-size);
  height: var(--paint-control-size);
  min-height: var(--paint-control-size);
  border-radius: 10px;
  padding: 8px;
}

.paint-toolbar-main #paint-size {
  width: 76px;
  min-width: 76px;
  height: var(--paint-control-size);
  min-height: var(--paint-control-size);
  padding: 0 8px;
  text-align: center;
}

.paint-text-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 240px) auto;
  gap: 8px;
  align-items: end;
}

.paint-text-controls .paint-field-full {
  grid-column: auto;
}

.paint-text-style-controls {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  align-self: end;
}

.paint-text-style-controls .toolbar-icon-btn {
  width: var(--paint-control-size);
  min-width: var(--paint-control-size);
  height: var(--paint-control-size);
  min-height: var(--paint-control-size);
}

.paint-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.paint-field > span {
  font-size: 0.78rem;
  line-height: 1.1;
  color: var(--text-muted);
  font-weight: 700;
}

.paint-field-full {
  grid-column: 1 / -1;
}

#paint-text-fonts-btn.is-hidden {
  display: none;
}

.paint-filters-grid {
  grid-template-columns: 1fr;
  justify-content: start;
}

.paint-filters-grid > * {
  width: min(100%, 360px);
}

.paint-range-control {
  display: grid;
  grid-template-columns: 28px minmax(88px, auto) minmax(120px, 1fr) 52px;
  gap: 8px;
  align-items: center;
  min-height: var(--paint-control-size);
}

.paint-range-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.paint-range-label {
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.paint-range-value {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-soft);
  min-width: 52px;
  text-align: right;
}

.paint-range-control input[type="range"] {
  width: 100%;
  height: var(--paint-control-size);
  padding: 0;
}

.paint-zoom-label {
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  color: var(--text-muted);
  font-weight: 700;
  white-space: nowrap;
  min-height: var(--paint-control-size);
}

.paint-canvas-wrap {
  border: 1px solid var(--border);
  border-radius: 0;
  background: color-mix(in srgb, var(--panel-soft) 90%, transparent);
  padding: 8px;
  overflow: auto;
  width: 100%;
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
}

#paint-canvas {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  touch-action: none;
  border-radius: 0;
  border: 1px solid color-mix(in srgb, var(--border) 86%, transparent);
  background:
    linear-gradient(45deg, rgba(0, 0, 0, 0.04) 25%, transparent 25%) 0 0/16px
      16px,
    linear-gradient(-45deg, rgba(0, 0, 0, 0.04) 25%, transparent 25%) 0 0/16px
      16px,
    #fff;
  position: relative;
  z-index: 1;
}

.paint-grid-overlay {
  position: absolute;
  display: none;
  pointer-events: none;
  z-index: 2;
  border-radius: 0;
  background-image:
    linear-gradient(to right, rgba(15, 23, 42, 0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.22) 1px, transparent 1px);
  background-size: 24px 24px;
}

.paint-canvas-wrap.paint-grid-enabled .paint-grid-overlay {
  display: block;
}

.paint-selection-overlay {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 75%, #ffffff);
  background: transparent;
}

#page-paint.paint-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 1200;
  width: 100vw;
  height: 100dvh;
  margin: 0;
  padding: 0;
  max-width: none;
  background: var(--bg);
  gap: 0;
}

#page-paint.paint-fullscreen > .header {
  display: none;
}

#page-paint.paint-fullscreen .paint-top-hover-zone {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 28px;
  z-index: 20;
}

#page-paint.paint-fullscreen .paint-controls {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  padding: 8px 10px 10px;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transform: translateY(calc(-100% + 18px));
  opacity: 0.1;
  transition:
    transform 0.18s ease,
    opacity 0.18s ease;
  z-index: 21;
}

#page-paint.paint-fullscreen .paint-top-hover-zone:hover ~ .paint-controls,
#page-paint.paint-fullscreen .paint-controls:hover {
  transform: translateY(0);
  opacity: 1;
}

#page-paint.paint-fullscreen > .paint-canvas-wrap {
  width: 100%;
  height: 100%;
  max-width: none;
  min-height: 0;
  border-radius: 0;
  border: 0;
  margin: 0;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#page-paint.paint-fullscreen #paint-canvas {
  width: auto;
  max-width: 100%;
  max-height: 100%;
  height: auto;
  margin: auto;
}

body.paint-immersive-active .floating-actions,
body.paint-immersive-active .app-footer {
  display: none;
}

.media-player {
  width: 100%;
  min-height: 240px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #050b15;
}

.media-empty-state {
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 22px 14px;
  text-align: center;
  color: var(--text-soft);
}

.media-drop-zone {
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    background-color var(--transition);
}

.media-drop-zone.is-drag-over {
  border-color: color-mix(in srgb, var(--accent) 64%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, var(--panel));
}

#media-drop-hint {
  margin-top: -4px;
}

#page-media .toolbar-icon-btn {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
}

/* ===== Floating UI: Header Actions, Footer, Toast ===== */
.floating-actions {
  position: fixed;
  right: 18px;
  top: max(var(--header-top-offset), env(safe-area-inset-top));
  bottom: auto;
  display: flex;
  gap: 10px;
  z-index: 1000;
}

.app-footer {
  position: fixed;
  left: 50%;
  bottom: max(8px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: max-content;
  text-align: center;
  padding: 4px 10px;
  color: var(--text-soft);
  font-size: 0.76rem;
  z-index: 900;
  pointer-events: none;
}

.app-toast {
  position: fixed;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(14px, env(safe-area-inset-bottom));
  transform: translateY(12px);
  background: #14b8a6;
  border: 1px solid #14b8a6;
  color: #fff;
  border-radius: 0;
  padding: 10px 16px;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  z-index: 1100;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.app-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Todo / RSS ===== */
#todo-list,
#todo-notes-list,
#rss-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#todo-tasks-panel,
#todo-notes-panel {
  display: grid;
  gap: 10px;
}

#todo-tasks-panel[hidden],
#todo-notes-panel[hidden] {
  display: none !important;
}

#todo-tasks-panel .row,
#todo-notes-panel .row {
  flex-wrap: wrap;
  align-items: stretch;
}

#todo-tasks-panel .row > input,
#todo-notes-panel .row > input {
  flex: 1 1 240px;
}

.notes-input-row {
  align-items: flex-start;
}

.note-toolbar-row {
  flex-wrap: nowrap;
  gap: 6px;
  align-items: center;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

.note-actions-row {
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px;
}

.notes-input-row .note-editor {
  flex: 1 1 100%;
  min-height: 132px;
}

.note-editor {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--panel-soft) 88%, transparent);
  padding: 10px 12px;
  outline: none;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.note-editor:focus {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
}

.note-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--text-soft);
}

.note-editor ol {
  margin: 0.25em 0;
  padding-inline-start: 0.8em;
}

.note-editor ol li {
  list-style-position: inside;
}

.note-tool-btn {
  width: 36px;
  min-width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.note-toolbar-row .note-tool-btn {
  flex: 0 0 36px;
}

.note-tool-btn .btn-icon {
  width: 16px;
  height: 16px;
}

.note-add-btn {
  width: auto;
  min-width: 116px;
  padding: 0 12px;
}

.todo-filter-btn,
.todo-clear-btn {
  width: auto;
  gap: 6px;
}

.todo-entry-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  align-items: center;
}

.todo-entry-row #todo-add-btn {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
  min-height: 44px;
}

.todo-entry-row #todo-clear-done-btn {
  flex: 0 0 44px;
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
}

.todo-tab-btn {
  min-width: 112px;
  justify-content: center;
}

.todo-tab-btn.active {
  background: var(--accent) !important;
  color: #f8fafc;
  border-color: transparent;
}

.todo-tab-btn.active:hover,
.todo-tab-btn.active:focus-visible {
  background: var(--accent-hover) !important;
  color: #f8fafc;
}

.todo-search-row {
  margin-top: -2px;
}

.todo-search-field {
  position: relative;
  width: 100%;
}

.todo-search-field #todo-search {
  width: 100%;
  padding-left: 38px;
  padding-right: 38px;
}

.todo-search-field #emoji-search {
  width: 100%;
  padding-left: 38px;
  padding-right: 38px;
}

.todo-search-row #todo-search {
  flex: 1 1 auto;
}

.todo-search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.todo-search-clear-btn {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  min-width: 28px;
  height: 28px;
  min-height: 28px;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  padding: 0;
  color: var(--text-soft);
  border-radius: 999px;
}

.todo-search-clear-btn:active,
.todo-search-clear-btn:hover,
.todo-search-clear-btn:focus-visible {
  transform: translateY(-50%) !important;
}

.todo-search-clear-btn:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--panel-soft) 42%, transparent) !important;
}

.todo-delete-btn {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.note-actions-row .note-add-btn {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 44px;
}

.note-actions-row #todo-note-clear-btn {
  flex: 0 0 44px;
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
}

.todo-task-item,
.todo-note-card,
.rss-news-card {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-soft) 88%, transparent);
  border-radius: var(--radius-md);
  padding: 10px 12px;
}

.todo-task-item,
.todo-note-card,
.todo-remove-btn,
.todo-delete-btn,
.todo-search-clear-btn {
  transition: none !important;
  animation: none !important;
}

.todo-task-item.is-dragging,
.todo-note-card.is-dragging {
  opacity: 0.65;
}

.todo-task-item.todo-drop-target,
.todo-note-card.todo-drop-target {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
}

.todo-task-item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.todo-task-text {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.todo-task-text.done {
  text-decoration: line-through;
  opacity: 0.65;
}

.todo-task-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-left: auto;
}

.todo-remove-btn {
  width: 22px;
  min-width: 22px;
  min-height: 22px;
  border: 0;
  background: inherit !important;
  color: var(--text-soft);
  border-radius: 6px;
  box-shadow: none;
  flex: 0 0 22px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.todo-remove-btn .btn-icon {
  width: 14px;
  height: 14px;
}

button.todo-remove-btn:hover {
  background: inherit !important;
  border-color: transparent !important;
  color: var(--danger);
}

.todo-note-card {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.todo-note-card.active {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
}

.todo-note-text {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

@media (max-width: 640px) {
  #todo-tasks-panel > .row:first-child > #todo-input {
    flex: 1 1 100%;
  }

  #todo-tasks-panel > .todo-entry-row > #todo-add-btn {
    flex: 1 1 calc(100% - 52px);
    min-height: 44px;
  }

  #todo-tasks-panel > .todo-entry-row > #todo-clear-done-btn {
    flex: 0 0 44px;
    width: 44px;
    min-width: 44px;
    min-height: 44px;
  }

  #todo-notes-panel .notes-input-row > button {
    flex: 1 1 100%;
  }

  #todo-list .todo-task-actions {
    width: auto;
    margin-left: auto;
    flex-wrap: nowrap;
  }

  .note-toolbar-row .note-tool-btn {
    flex: 0 0 36px;
  }

  .note-actions-row .note-add-btn {
    flex: 1 1 calc(100% - 52px);
    min-height: 44px;
  }

  .note-actions-row #todo-note-clear-btn {
    flex: 0 0 44px;
    width: 44px;
    min-width: 44px;
    min-height: 44px;
  }

  .todo-note-card {
    min-height: 40px;
    padding: 8px 10px;
  }

  .todo-task-item {
    min-height: 40px;
    padding: 8px 10px;
    flex-wrap: nowrap;
  }

  .todo-task-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  #todo-notes-panel .notes-input-row .note-editor {
    min-height: 120px;
    max-height: min(36vh, 220px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 640px) and (max-height: 620px) {
  #todo-notes-panel .notes-input-row .note-editor {
    min-height: 100px;
    max-height: min(32vh, 190px);
  }
}

.rss-news-card {
  display: flex;
  flex-direction: column;
  touch-action: pan-y;
  overflow: hidden;
  position: relative;
}

.rss-news-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateX(var(--rss-swipe-x, 0));
  transition: transform 0.22s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.rss-news-card.is-swiping .rss-news-content {
  transition: none;
}

.rss-news-card.is-swipe-commit .rss-news-content {
  transition: transform 0.28s ease;
}

.rss-news-card.is-swipe-done .rss-news-content {
  transform: translateX(210px);
  opacity: 0.72;
}

.rss-swipe-action {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding-left: 12px;
  color: #f8fafc;
  background: color-mix(in srgb, var(--accent) 72%, #0f172a);
  opacity: calc(var(--rss-swipe-progress, 0) * 0.95);
  pointer-events: none;
  transition:
    opacity 0.12s ease,
    background-color 0.12s ease;
}

.rss-news-card.is-swipe-ready .rss-swipe-action {
  background: color-mix(in srgb, var(--accent) 86%, #0f172a);
}

.rss-news-card.is-swipe-ready {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--border));
}

.rss-news-card.is-read {
  opacity: 0.58;
}

.rss-tools-row #rss-view-mode {
  flex: 1;
  min-width: 170px;
}

.rss-actions-row {
  flex-wrap: nowrap;
  gap: 6px;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 2px;
}

.rss-action-btn {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  border-radius: 10px;
  padding: 0;
  flex: 0 0 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.rss-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rss-group-title {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.rss-group-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rss-mark-all-wide {
  width: 100%;
}

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

.rss-news-title {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  flex: 1;
  min-width: 0;
}

.rss-news-title:hover {
  text-decoration: underline;
}

.rss-read-later-btn {
  width: 32px;
  min-width: 32px;
  height: 32px;
  min-height: 32px;
  border-radius: 8px;
  flex: 0 0 32px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: none;
}

.rss-read-later-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--accent) 24%, var(--panel-strong));
  transform: scaleX(0);
  transform-origin: left center;
  transition: none;
  z-index: 0;
}

.rss-read-later-btn .btn-icon {
  position: relative;
  z-index: 1;
  transition: none;
}

.rss-read-later-btn.is-active {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  background: color-mix(in srgb, var(--accent) 16%, var(--panel-strong));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent);
}

.rss-read-later-btn.is-active::before {
  transform: scaleX(1);
}

.rss-read-later-btn.is-active .btn-icon {
  transform: scale(1.08);
}

/* ===== QR Generator ===== */
.qr-card {
  gap: 10px;
}

.qr-preview-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  background: color-mix(in srgb, var(--panel-soft) 86%, transparent);
}

.qr-image {
  width: min(100%, 320px);
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
}

/* ===== Emoji Catalog ===== */
.emoji-card {
  gap: 10px;
}

.emoji-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(120px, 0.8fr);
  gap: 8px;
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
  max-height: 420px;
  overflow: auto;
  padding-right: 2px;
}

.emoji-item {
  min-height: 88px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px;
}

.emoji-char {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.emoji-char-img {
  width: 30px;
  height: 30px;
  display: block;
}

.emoji-char-fallback {
  font-size: 1.65rem;
  line-height: 1;
}

.emoji-name {
  font-size: 0.72rem;
  color: var(--text-soft);
  text-align: center;
  line-height: 1.2;
}

/* ===== Budget ===== */
.budget-card {
  gap: 10px;
}

.budget-limit-row {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) auto;
  gap: 8px;
}

.budget-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.budget-form-grid #budget-note {
  grid-column: 1 / -1;
}

.budget-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.budget-summary-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  background: color-mix(in srgb, var(--panel-soft) 88%, transparent);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.budget-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 340px;
  overflow: auto;
  padding-right: 2px;
}

.budget-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--panel-soft) 88%, transparent);
  padding: 10px 12px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  align-items: center;
}

.budget-item-main {
  min-width: 0;
}

.budget-item-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.budget-item-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.budget-income {
  color: #0f766e;
}

.budget-expense {
  color: var(--danger);
}

.theme-toggle,
.lang-toggle {
  width: var(--header-btn-size);
  min-width: var(--header-btn-size);
  max-width: var(--header-btn-size);
  height: var(--header-btn-size);
  min-height: var(--header-btn-size);
  max-height: var(--header-btn-size);
  padding: 0;
  aspect-ratio: 1 / 1;
  line-height: 1;
  border-radius: 999px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  font-size: 0.96rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.exit-toggle {
  position: fixed;
  right: max(12px, env(safe-area-inset-right));
  bottom: calc(12px + env(safe-area-inset-bottom));
  z-index: 1000;
  width: auto;
  min-width: 84px;
  height: var(--header-btn-size);
  min-height: var(--header-btn-size);
  padding: 0 12px;
  gap: 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--btn-bg);
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.overflow-toggle {
  position: fixed;
  left: 18px;
  top: max(var(--header-top-offset), env(safe-area-inset-top));
  width: var(--header-btn-size);
  min-width: var(--header-btn-size);
  height: var(--header-btn-size);
  min-height: var(--header-btn-size);
  padding: 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--btn-bg);
  color: var(--text);
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 1201;
}

.hamburger-lines {
  position: relative;
  display: block;
  width: 18px;
  height: 14px;
}

.hamburger-line {
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.hamburger-line:nth-child(1) {
  top: 1px;
}

.hamburger-line:nth-child(2) {
  top: 6px;
}

.hamburger-line:nth-child(3) {
  top: 11px;
}

#overflow-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

#overflow-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

#overflow-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.theme-toggle {
  color: #f8fafc;
  background: var(--accent);
  border-color: transparent;
}

.lang-toggle {
  color: #f8fafc;
  background: var(--accent);
  border-color: transparent;
}

.theme-toggle-icon {
  width: 16px;
  height: 16px;
  color: #f8fafc;
}

.theme-toggle:hover,
.lang-toggle:hover {
  background: var(--accent-hover);
  transform: none;
}

.exit-toggle:hover {
  background: var(--btn-bg-hover);
  transform: none;
}

.overflow-toggle:hover {
  background: var(--btn-bg-hover);
  transform: none;
}

.theme-toggle:active,
.lang-toggle:active,
.exit-toggle:active {
  transform: scale(0.98);
}

.overflow-toggle:active {
  transform: none;
}

.overflow-menu {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: stretch;
  justify-content: flex-start;
  z-index: 1050;
}

.overflow-menu-panel {
  width: min(300px, calc(100vw - 56px));
  height: 100%;
  background: var(--panel);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  padding: max(56px, calc(env(safe-area-inset-top) + 44px)) 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: sidebar-in 0.2s ease both;
}

.overflow-social-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.overflow-panel-title {
  width: 100%;
  min-height: 38px;
  justify-content: center;
  gap: 8px;
  text-align: center;
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.overflow-panel-title-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  display: block;
  object-fit: contain;
}

.overflow-social-item {
  min-height: 38px;
  justify-content: center;
  gap: 6px;
  padding: 8px 6px;
}

.overflow-menu-item {
  width: 100%;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  text-decoration: none;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  padding: 8px 10px;
  box-shadow: none;
}

.overflow-menu-backdrop {
  flex: 1;
  border: 0;
  background: rgba(2, 6, 23, 0.42);
  border-radius: 0;
  min-height: 100%;
}

.overflow-menu-item:hover {
  background: color-mix(in srgb, var(--panel-soft) 62%, transparent);
}

.overflow-about-btn {
  margin-top: auto;
  justify-content: center;
}

.overflow-settings {
  margin-top: 4px;
  padding: 6px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
}

.overflow-settings-title {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.overflow-settings-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.overflow-settings-btn {
  min-height: 38px;
  justify-content: center;
  padding: 8px 6px;
}

.overflow-changelog {
  margin-top: 4px;
  padding: 6px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  overflow: auto;
}

.overflow-changelog-title {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.overflow-changelog-list {
  margin: 0;
  padding-left: 16px;
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
  line-height: 1.3;
}

@keyframes sidebar-in {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

.about-modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.38);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
  padding: 12px;
}

.about-modal-card {
  width: min(420px, 100%);
  text-align: center;
}

.about-header-row {
  justify-content: center;
  position: relative;
  min-height: var(--header-btn-size);
}

.about-header-row h3 {
  margin: 0;
}

.about-app-brand {
  justify-content: center;
}

.about-app-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

#about-close-btn {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}

.about-links-row {
  justify-content: center;
  gap: 10px;
}

.about-links-row .overflow-menu-item {
  width: auto;
  min-width: 128px;
  justify-content: center;
}

/* ===== Overflow Fixes ===== */
#page-converter .card,
#page-currency .card {
  overflow: visible;
}

/* ===== Responsive: Mobile ===== */
@media (max-width: 520px) {
  :root {
    --header-top-offset: 18px;
  }

  .page.active > .header {
    justify-content: center;
    gap: 8px;
    min-height: var(--header-btn-size);
    padding-left: 112px;
    padding-right: 112px;
    position: relative;
    align-items: center;
  }

  .page.active > .header .back-btn {
    position: absolute;
    left: 60px;
    top: 50%;
    transform: translateY(-50%);
    flex: 0 0 auto;
    min-width: 60px;
    min-height: var(--header-btn-size);
    height: var(--header-btn-size);
    padding: 0 10px;
    font-size: 0.8rem;
    gap: 4px;
  }

  .page.active > .header .back-btn:active {
    transform: translateY(-50%);
  }

  .page.active > .header h2 {
    text-align: center;
    min-width: 0;
    width: 100%;
    line-height: 1.1;
  }

  .paint-toolbar-actions {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .paint-toolbar-main {
    flex-wrap: nowrap;
    align-items: center;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 2px;
  }

  #page-paint {
    --paint-control-size: 38px;
  }

  .paint-toolbar-main .paint-common-controls {
    display: inline-flex;
    width: auto;
    margin-left: 2px;
    margin-top: 0;
    gap: 6px;
  }

  .paint-toolbar-main .paint-common-controls .paint-field > span {
    display: none;
  }

  .paint-toolbar-main #paint-color,
  .paint-toolbar-main #paint-back-color {
    width: var(--paint-control-size);
    min-width: var(--paint-control-size);
    padding: 8px;
  }

  .paint-toolbar-main #paint-size {
    width: 56px;
    min-width: 56px;
    min-height: var(--paint-control-size);
    padding: 0 6px;
  }

  .paint-text-controls {
    grid-template-columns: minmax(0, 1fr);
  }

  .todo-filter-btn span {
    display: none;
  }

  .todo-filter-btn,
  .todo-clear-btn {
    min-width: 44px;
    min-height: 44px;
    padding: 0 10px;
    justify-content: center;
  }

  #page-media .paint-toolbar {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
  }

  #page-media .toolbar-icon-btn {
    width: 40px;
    min-width: 40px;
    height: 40px;
    min-height: 40px;
  }

  #page-calc .card {
    border-radius: 12px;
  }

  #page-calc .result {
    border-radius: 8px;
  }

  #page-calc .calc-btn {
    border-radius: 8px;
  }

  #page-calc .calc-history {
    border-radius: 8px;
    max-height: none;
    overflow: visible;
  }

  #page-calc .calc-history-item {
    gap: 5px;
    padding: 2px 0;
  }

  #page-calc .calc-history-remove-btn {
    width: 18px;
    min-width: 18px;
    min-height: 18px;
    flex: 0 0 18px;
  }

  #page-calc .calc-history-remove-btn svg {
    width: 12px;
    height: 12px;
  }

  #page-calc .calc-history-remove-btn {
    border-radius: 5px;
  }

  body {
    padding: 18px 10px 10px;
  }

  .container {
    padding-bottom: 96px;
  }

  .menu-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    padding-bottom: 84px;
  }

  #page-menu .menu-btn {
    width: 100%;
  }

  #page-menu.active {
    padding-top: calc(var(--header-top-offset) + var(--header-btn-size) + 8px);
  }

  .weather-main,
  .weather-sun,
  .weather-forecast,
  .weather-manual-grid,
  .timer-input-grid,
  .time-pair,
  .converter-row,
  .currency-caption-row,
  .budget-form-grid,
  .budget-summary,
  .budget-limit-row,
  .emoji-toolbar {
    grid-template-columns: 1fr;
  }

  .date-input-grid {
    grid-template-columns: minmax(0, 1fr) 120px;
  }

  .date-time-grid .date-time-block {
    grid-template-columns: minmax(0, 1fr) 120px;
  }

  .weather-fav-header {
    flex-direction: column;
    align-items: stretch;
  }

  .weather-fav-actions {
    width: 100%;
  }

  .weather-fav-item {
    flex-wrap: wrap;
  }

  .weather-fav-main {
    width: 100%;
  }

  .weather-fav-item-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .calendar-pick-mode {
    flex-wrap: wrap;
  }

  .time-format-btn {
    width: 100%;
  }

  .calc-memory-row .icon-btn {
    width: auto;
    min-width: 0;
    flex: 1;
  }

  .calc-memory-value {
    width: 100%;
    margin-left: 0;
  }

  .world-time-item .world-time-remove {
    width: 36px;
    min-width: 36px;
    flex: 0 0 36px;
  }

  .text-find-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .text-replace-row {
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .text-encoding-row {
    grid-template-columns: 1fr;
  }

  #page-text #text-input {
    aspect-ratio: 1 / 1;
    min-height: 0;
  }

  .world-time-add-row,
  .world-time-manage-row {
    grid-template-columns: 1fr;
  }

  .calendar-toolbar .calendar-nav-btn,
  .calendar-toolbar .icon-btn.calendar-nav-btn {
    width: 44px;
    min-width: 44px;
    flex: 0 0 44px;
  }

  .calendar-title {
    min-width: 0;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .floating-actions {
    right: 12px;
  }

  .overflow-toggle {
    left: 12px;
  }

  #conv-convert-btn {
    min-height: 52px;
    font-size: 1rem;
  }
}

@media (min-width: 360px) and (max-width: 600px) {
  #page-menu .menu-btn {
    min-height: 56px;
    padding: 12px 8px;
  }

  #page-calc .calc-btn {
    min-height: 46px;
    font-size: 0.92rem;
  }

  #page-calc .calc-btn.scientific {
    font-size: 0.82rem;
  }
}

@media (max-width: 600px) {
  .exit-toggle {
    width: var(--header-btn-size);
    min-width: var(--header-btn-size);
    max-width: var(--header-btn-size);
    right: max(8px, env(safe-area-inset-right));
    bottom: calc(8px + env(safe-area-inset-bottom));
    padding: 0;
    gap: 0;
  }

  .exit-toggle #menu-exit {
    display: none;
  }

  .page.active > .header .back-btn {
    width: var(--header-btn-size);
    min-width: var(--header-btn-size);
    padding: 0;
    gap: 0;
  }

  .page.active > .header .back-btn > span {
    display: none;
  }
}

@media (max-width: 400px) and (max-height: 620px) {
  :root {
    --header-top-offset: 10px;
  }

  body {
    padding: 10px 8px 8px;
  }

  .container {
    padding-bottom: 56px;
  }

  #page-menu.active {
    gap: 8px;
    align-items: stretch;
    padding-top: calc(var(--header-top-offset) + var(--header-btn-size) + 6px);
  }

  #page-menu.active > .header {
    margin-bottom: 8px;
  }

  #page-menu .menu-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    width: 100%;
    padding-bottom: 70px;
  }

  #page-menu .menu-btn {
    min-height: 44px;
    padding: 8px 6px;
    font-size: 0.8rem;
    border-radius: 12px;
    gap: 6px;
  }

  #page-menu .menu-icon {
    width: 14px;
    height: 14px;
    flex: 0 0 14px;
  }

  #page-converter.active {
    gap: 8px;
  }

  #page-converter.active > .header {
    margin-bottom: 8px;
  }

  #page-converter .card {
    padding: 8px;
    gap: 6px;
  }

  #page-converter select,
  #page-converter input {
    min-height: 38px;
    padding: 8px 10px;
    font-size: 0.88rem;
  }

  #page-converter .converter-precision-row {
    gap: 4px 8px;
  }

  #page-converter .converter-row {
    grid-template-columns: minmax(0, 1fr) 38px minmax(0, 1fr) 38px;
    gap: 6px;
  }

  #page-converter #conv-swap-btn,
  #page-converter #conv-favorite-btn {
    width: 38px;
    min-width: 38px;
    min-height: 38px;
    padding: 0;
  }

  #page-converter .converter-presets {
    gap: 4px;
  }

  #page-converter .preset-chip {
    padding: 4px 8px;
    font-size: 0.7rem;
  }

  #page-converter #conv-result {
    padding: 8px;
    font-size: 0.9rem;
  }

  #page-converter #conv-convert-btn {
    min-height: 48px;
  }

  #page-calc.active {
    gap: 8px;
  }

  #page-calc.active > .header {
    margin-bottom: 4px;
  }

  #page-calc .card {
    padding: 8px;
    gap: 4px;
  }

  #page-calc .result {
    padding: 6px 8px;
  }

  #page-calc .result-large {
    font-size: clamp(1.3rem, 7vw, 1.7rem);
  }

  .calc-expression-preview,
  .calc-mode-row,
  .calc-memory-row,
  .calc-history-title {
    margin-bottom: 0;
  }

  .calc-grid {
    gap: 3px;
  }

  .calc-btn {
    min-height: 38px;
    font-size: 0.86rem;
    border-radius: 7px;
  }

  .calc-btn.scientific {
    font-size: 0.74rem;
  }

  .calc-history {
    max-height: none;
    padding: 4px;
    font-size: 0.72rem;
    border-radius: 7px;
    overflow: visible;
  }

  #page-calc .calc-history-item {
    gap: 4px;
    padding: 1px 0;
  }

  #page-calc .result {
    border-radius: 7px;
  }

  #page-calc button {
    min-height: 34px;
    padding: 6px 8px;
  }

  .icon-btn {
    min-width: 40px;
    min-height: 40px;
    padding: 7px 10px;
  }

  .toolbar-icon-btn {
    width: 38px;
    min-width: 38px;
    min-height: 32px;
  }

  .btn-icon {
    width: 15px;
    height: 15px;
    flex: 0 0 15px;
  }

  .theme-toggle,
  .lang-toggle {
    font-size: 0.82rem;
  }

  .app-footer {
    font-size: 0.68rem;
    bottom: 4px;
    padding: 2px 8px;
  }
}

/* ===== Responsive: Desktop ===== */
@media (min-width: 780px) {
  .container {
    max-width: 920px;
  }

  .page.active {
    gap: 16px;
  }

  #page-menu.active {
    align-items: stretch;
  }

  #page-text.active {
    min-height: auto;
  }

  #page-text.active .card {
    min-height: auto;
  }

  #page-text.active #text-input {
    min-height: clamp(220px, 40vh, 520px);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition-duration: 0s !important;
  }
}