/* Cartero PWA. Colors, radii, spacing and type come from tokens.css (generated from design/tokens.json). */

:root {
  --accent: var(--c-world-life);
  --accent-soft: var(--c-world-life-soft);
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  --bar-h: 44px;
  --world-h: 46px;
  --toolbar-h: 50px;
  /* Bars are a real material: dense enough that scrolled text never reads through. */
  --glass-bg: color-mix(in srgb, var(--c-bg-canvas) 86%, transparent);
  --glass-edge: color-mix(in srgb, var(--c-label-primary) 10%, transparent);
  /* Filled accent surfaces (Send, count pills, badges) keep white text readable in dark mode. */
  --accent-fill: var(--accent);
  --kb: 0px; /* height of the on-screen keyboard, set from visualViewport */
  --card-bg: var(--c-bg-surface);
  --shadow-1: 0 1px 2px rgb(0 0 0 / 0.05), 0 2px 8px rgb(0 0 0 / 0.04);
  --shadow-sheet: 0 -8px 40px rgb(0 0 0 / 0.18);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1); /* iOS sheet curve */
}
@media (prefers-color-scheme: dark) {
  :root {
    --glass-bg: color-mix(in srgb, var(--c-bg-canvas) 84%, transparent);
    --accent-fill: color-mix(in srgb, var(--accent) 72%, black);
    --shadow-1: 0 1px 2px rgb(0 0 0 / 0.3);
    --shadow-sheet: 0 -8px 40px rgb(0 0 0 / 0.5);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
  height: 100%;
  background: var(--c-bg-canvas);
}
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font: var(--f-body);
  letter-spacing: var(--t-body);
  color: var(--c-label-primary);
  background: var(--c-bg-canvas);
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;
  caret-color: var(--accent);
}
::selection {
  background: color-mix(in srgb, var(--accent) 28%, transparent);
}
button,
a,
[role="button"],
.chip,
.seg {
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
input,
textarea,
select {
  font: inherit;
  font-size: 16px; /* below 16px iOS zooms the page on focus */
  color: inherit;
}
a {
  color: var(--accent);
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}
.icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
.hidden {
  display: none !important;
}
/* Scrollbars stay invisible everywhere; scrolling works as usual. */
* {
  scrollbar-width: none;
}
*::-webkit-scrollbar {
  display: none;
}

/* ---------- app shell ---------- */
.app {
  position: fixed;
  inset: 0;
  height: 100dvh;
  overflow: hidden;
  isolation: isolate;
}
.view {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--c-bg-canvas);
  transition: transform 0.42s var(--ease-spring), opacity 0.26s ease, filter 0.42s ease;
}
.view.primary.fade-in {
  opacity: 0;
}
.view.primary.fade-out {
  opacity: 0;
  pointer-events: none;
}
.view.primary.under {
  transform: translateX(-25%);
  filter: brightness(0.92);
}
.view.dragging,
.push-layer.dragging {
  transition: none;
}

.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(30px) saturate(190%);
  backdrop-filter: blur(30px) saturate(190%);
}
@media (prefers-reduced-transparency: reduce) {
  .glass {
    background: var(--c-bg-canvas);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

/* ---------- world switcher ---------- */
.world-bar {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 0;
  right: 0;
  padding: calc(var(--safe-t) + 6px) calc(var(--s-lg) + var(--safe-r)) 6px calc(var(--s-lg) + var(--safe-l));
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
}
.segmented {
  position: relative;
  display: grid;
  grid-template-columns: repeat(var(--n), 1fr);
  height: 34px;
  padding: 2px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--c-label-primary) 7%, transparent);
}
.seg-pill {
  position: absolute;
  top: 2px;
  bottom: 2px;
  left: 2px;
  width: calc((100% - 4px) / var(--n));
  transform: translateX(calc(100% * var(--i)));
  border-radius: 8px;
  background: var(--c-bg-raised);
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.12), 0 0 0 0.5px rgb(0 0 0 / 0.04);
  transition: transform 0.38s var(--ease-spring);
}
.seg {
  position: relative;
  z-index: 1;
  font: var(--f-headline);
  font-size: 14px;
  letter-spacing: var(--t-headline);
  color: var(--c-label-secondary);
  border-radius: 8px;
  transition: color 0.2s ease;
}
.seg[aria-selected="true"] {
  color: var(--accent);
}
.seg:active {
  opacity: 0.6;
}

/* ---------- nav bars ---------- */
.nav-bar {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  top: 0;
  height: calc(var(--safe-t) + var(--bar-h));
  padding: var(--safe-t) calc(var(--s-sm) + var(--safe-r)) 0 calc(var(--s-sm) + var(--safe-l));
  display: grid;
  grid-template-columns: minmax(80px, 1fr) auto minmax(80px, 1fr);
  align-items: center;
}
.list-nav {
  top: calc(var(--safe-t) + var(--world-h));
  height: var(--bar-h);
  padding-top: 0;
}
.list-nav > :last-child {
  justify-self: end;
}
.nav-bar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 0.5px;
  background: var(--glass-edge);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.nav-bar.show-title::after {
  opacity: 1;
}
.nav-title {
  font: var(--f-headline);
  letter-spacing: var(--t-headline);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 60vw;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s var(--ease-out);
}
.nav-bar.show-title .nav-title {
  opacity: 1;
  transform: none;
}
.icon-btn {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--accent);
  transition: opacity 0.12s ease, transform 0.12s ease;
}
.icon-btn:active,
.tool:active,
.nav-back:active {
  opacity: 0.45;
}
.icon-btn.small {
  width: 32px;
  height: 32px;
  color: var(--c-label-secondary);
}
.icon-btn.tiny {
  width: 22px;
  height: 22px;
  color: var(--c-label-secondary);
}
.nav-back {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 44px;
  padding-right: var(--s-sm);
  color: var(--accent);
  font-size: 17px;
  justify-self: start;
}

/* ---------- list ---------- */
.list-scroll,
.thread-scroll {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
}
.list-scroll {
  position: relative;
  padding: calc(var(--safe-t) + var(--world-h) + var(--bar-h)) var(--safe-r) calc(var(--safe-b) + 24px) var(--safe-l);
}
.list-head {
  padding: var(--s-xs) var(--s-lg) var(--s-sm);
}
.large-title {
  margin: 0;
  font: var(--f-large-title);
  font-family: var(--font-display);
  letter-spacing: var(--t-large-title);
}
.large-subtitle {
  margin: 2px 0 0;
  min-height: 18px;
  font: var(--f-callout);
  color: var(--c-label-secondary);
}
.search {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--s-md);
  height: 36px;
  padding: 0 10px;
  border-radius: 10px;
  color: var(--c-label-secondary);
  background: color-mix(in srgb, var(--c-label-primary) 7%, transparent);
}
.search-input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--c-label-primary);
  -webkit-appearance: none;
  appearance: none;
}
.search-input::placeholder {
  color: var(--c-label-secondary);
}

.rows {
  margin: 0 var(--s-sm);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: var(--shadow-1);
}
.rows:has(.empty) {
  background: transparent;
  box-shadow: none;
}
.row-wrap {
  position: relative;
  overflow: hidden;
  transition: height 0.26s var(--ease-out), opacity 0.2s ease;
}
.row-wrap.collapsing {
  height: 0 !important;
  opacity: 0;
}
.row-wrap + .row-wrap .row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 76px;
  right: 0;
  height: 0.5px;
  background: var(--c-separator);
}
.row {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 6px;
  padding: 11px var(--s-lg) 12px 10px;
  color: inherit;
  text-decoration: none;
  background: var(--card-bg);
  touch-action: pan-y;
  transition: transform 0.36s var(--ease-spring), background 0.12s ease;
}
.row:active {
  background: color-mix(in srgb, var(--c-label-primary) 6%, var(--card-bg));
}
@media (hover: hover) and (pointer: fine) {
  .row:hover {
    background: color-mix(in srgb, var(--c-label-primary) 3%, var(--card-bg));
  }
}
.unread-dot {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 15px;
  border-radius: 50%;
}
.row .avatar {
  margin: 2px 6px 0 0;
}
.row-subject-text {
  overflow: hidden;
  text-overflow: ellipsis;
}
.draft-label {
  color: var(--c-danger);
  font-weight: 600;
}
.select-mark {
  display: none;
  flex: none;
  align-self: center;
  margin-right: 4px;
  color: var(--c-label-tertiary);
}
.select-mark .icon path {
  stroke-width: 1.5;
}
.selecting .select-mark {
  display: inline-flex;
}
.selecting .unread-dot {
  display: none;
}
.selecting .row-top > .icon {
  display: none;
}
.row-wrap.selected .row {
  background: color-mix(in srgb, var(--accent) 9%, var(--card-bg));
}
.row-wrap.selected .select-mark {
  color: var(--accent);
}
.row-wrap.selected .select-mark .icon {
  fill: var(--accent);
  stroke: #fff;
}
.row.unread .unread-dot {
  background: var(--accent);
}
.row-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.row-top {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: var(--c-label-tertiary);
}
.row-from {
  flex: 1;
  min-width: 0;
  font: var(--f-headline);
  font-size: 16px;
  letter-spacing: var(--t-headline);
  color: var(--c-label-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.row.unread .row-from {
  font-weight: 700;
}
.row.unread .row-subject-text {
  font-weight: 600;
}
.row-time {
  font: var(--f-callout);
  font-size: 14px;
  color: var(--c-label-secondary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.row-top .icon {
  align-self: center;
  color: var(--c-label-tertiary);
}
.row-subject {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 15px;
  color: var(--c-label-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.row-subject .icon {
  color: var(--c-label-tertiary);
}
.row-preview {
  font-size: 15px;
  line-height: 1.33;
  color: var(--c-label-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pin-mark {
  display: inline-flex;
  color: var(--c-flag);
}
.pin-mark .icon {
  fill: currentColor;
}
.flag-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-flag);
}
.swipe-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 22px;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  opacity: 0;
}
.swipe-bg.left {
  background: var(--c-unread);
  justify-content: flex-start;
}
.swipe-bg.right {
  display: none;
}
.row-wrap[data-dir="left"] .swipe-bg.left,
.row-wrap[data-dir="right"] .swipe-bg.right {
  opacity: 1;
}
.row-wrap.commit .swipe-bg .icon {
  transform: scale(1.18);
}
.swipe-bg .icon {
  transition: transform 0.18s var(--ease-out);
}
.swipe-bg.left {
  z-index: 0;
}
.swipe-actions {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  display: flex;
  width: 100%;
  justify-content: flex-end;
  opacity: 0;
}
.row-wrap[data-dir="right"] .swipe-actions,
.row-wrap.open .swipe-actions {
  opacity: 1;
}
.swipe-btn {
  width: 76px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}
.swipe-btn.pin {
  background: var(--c-flag);
}
.swipe-btn.archive {
  background: #8e5be8;
  transition: width 0.2s var(--ease-out);
}
.row-wrap.commit .swipe-btn.archive {
  width: 100%;
}
.row-wrap.commit .swipe-btn.pin {
  width: 0;
  overflow: hidden;
}

.row-skeleton {
  display: grid;
  gap: 8px;
  padding: 14px var(--s-lg) 14px 26px;
  border-bottom: 0.5px solid var(--c-separator);
}
.row-skeleton i {
  display: block;
  height: 11px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--c-bg-hover) 25%, color-mix(in srgb, var(--c-label-primary) 9%, transparent) 50%, var(--c-bg-hover) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.3s linear infinite;
}
.row-skeleton i:nth-child(1) {
  width: 40%;
}
.row-skeleton i:nth-child(2) {
  width: 75%;
}
.row-skeleton i:nth-child(3) {
  width: 90%;
}
@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}

.empty {
  padding: var(--s-xxxl) var(--s-xl);
  text-align: center;
  color: var(--c-label-secondary);
}
.empty-title {
  margin: 0;
  font: var(--f-title);
  letter-spacing: var(--t-title);
  color: var(--c-label-primary);
}
.empty-sub {
  margin: 6px 0 0;
}
.list-footer {
  display: grid;
  place-items: center;
  min-height: 48px;
}

/* pull to refresh */
.ptr {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(var(--safe-t) + var(--world-h) + var(--bar-h) - 34px);
  display: grid;
  place-items: center;
  height: 30px;
  opacity: var(--pull, 0);
  transform: scale(calc(0.6 + var(--pull, 0) * 0.4));
  pointer-events: none;
}
.ptr .spinner {
  animation-play-state: paused;
}
.ptr.armed .spinner,
.ptr.refreshing .spinner {
  animation-play-state: running;
}
.ptr.refreshing {
  opacity: 1;
  transform: none;
  position: sticky;
  top: 0;
  height: 44px;
}

.spinner {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2.5px solid color-mix(in srgb, var(--c-label-secondary) 30%, transparent);
  border-top-color: var(--c-label-secondary);
  animation: spin 0.8s linear infinite;
}
.spinner.small {
  width: 18px;
  height: 18px;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.boot {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

/* ---------- thread ---------- */
.push-layer {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: var(--c-bg-canvas);
  transform: translateX(100%);
  box-shadow: -10px 0 30px rgb(0 0 0 / 0.12);
  transition: transform 0.42s var(--ease-spring);
}
.push-layer.in {
  transform: none;
}
.thread-view .nav-bar {
  height: calc(var(--safe-t) + var(--bar-h));
}
.thread-scroll {
  padding: calc(var(--safe-t) + var(--bar-h)) calc(var(--s-sm) + var(--safe-r)) 0 calc(var(--s-sm) + var(--safe-l));
}
.thread-subject {
  margin: var(--s-xs) var(--s-sm) var(--s-md);
  font: var(--f-title);
  font-family: var(--font-display);
  letter-spacing: var(--t-title);
  line-height: 1.2;
  overflow-wrap: anywhere;
}
.thread-loading {
  display: grid;
  place-items: center;
  padding: 80px 0;
}
.msg-list {
  display: grid;
  gap: var(--s-sm);
}
.msg-card {
  border-radius: var(--r-md);
  background: var(--card-bg);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}
.msg-head {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 56px;
  padding: 10px var(--s-md);
  text-align: left;
}
.msg-head:active {
  background: var(--c-bg-hover);
}
.msg-meta {
  flex: 1;
  min-width: 0;
  display: grid;
}
.msg-from {
  display: flex;
  align-items: center;
  gap: 6px;
  font: var(--f-headline);
  font-size: 15px;
}
.msg-to {
  font: var(--f-callout);
  color: var(--c-label-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.msg-time {
  align-self: flex-start;
  margin-top: 2px;
  font: var(--f-callout);
  color: var(--c-label-secondary);
  white-space: nowrap;
}
.msg-details {
  padding: 0 var(--s-md) var(--s-md);
}
.msg-address {
  margin: -6px 0 var(--s-md) 46px;
  font: var(--f-caption);
  color: var(--c-label-tertiary);
  overflow-wrap: anywhere;
  -webkit-user-select: text;
  user-select: text;
}
.avatar {
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: hsl(var(--h) 45% 30%);
  background: hsl(var(--h) 60% 88%);
}
.avatar {
  overflow: hidden;
  position: relative;
}
.avatar img {
  width: 100%;
  height: 100%;
  display: block;
}
.avatar.photo img {
  object-fit: cover;
}
.avatar.logo {
  background: #fff;
  box-shadow: inset 0 0 0 0.5px rgb(0 0 0 / 0.1);
}
.avatar.logo img {
  object-fit: contain;
  padding: 18%;
}
@media (prefers-color-scheme: dark) {
  .avatar {
    color: hsl(var(--h) 60% 85%);
    background: hsl(var(--h) 30% 28%);
  }
}
.mail-html {
  border-radius: var(--r-sm);
  overflow: hidden;
  background: #fff;
}
@media (prefers-color-scheme: dark) {
  .mail-html:not(.plain) {
    padding: 8px;
  }
}
.mail-html.plain,
.mail-html.plain .mail-frame {
  background: transparent;
}
.mail-frame {
  display: block;
  width: 100%;
  height: 120px;
  border: 0;
  background: #fff;
}
.load-images {
  display: block;
  width: 100%;
  padding: 8px;
  background: var(--c-bg-canvas);
}
.prose {
  font: var(--f-reading);
  letter-spacing: var(--t-reading);
  overflow-wrap: anywhere;
  -webkit-user-select: text;
  user-select: text;
}
.prose p {
  margin: 0 0 0.8em;
}
.prose p:last-child {
  margin-bottom: 0;
}
.prose ul,
.prose ol {
  margin: 0.2em 0 0.8em;
  padding-left: 1.3em;
}
.prose li {
  margin: 0.25em 0;
}
.prose h4 {
  margin: 0.6em 0 0.3em;
  font: var(--f-headline);
}
.attachment-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-sm);
  margin-top: var(--s-md);
}
.attachment {
  display: flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  padding: 8px 12px;
  border-radius: var(--r-sm);
  background: var(--c-bg-canvas);
  color: var(--c-label-primary);
  text-decoration: none;
  font-size: 14px;
}
.attachment small {
  color: var(--c-label-secondary);
}
.attachment-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bottom-space {
  height: calc(var(--toolbar-h) + var(--safe-b) + 24px);
}

.toolbar {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(var(--toolbar-h) + var(--safe-b));
  padding: 0 calc(var(--s-sm) + var(--safe-r)) var(--safe-b) calc(var(--s-sm) + var(--safe-l));
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 0.5px solid var(--glass-edge);
}
.tool {
  width: 48px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--accent);
}
.tool.on {
  color: var(--c-flag);
}
.tool.on .icon {
  fill: currentColor;
}

/* ---------- AI ---------- */
.ai-bar {
  margin: var(--s-lg) 0 0;
}
.ai-chips {
  display: flex;
  gap: var(--s-sm);
  overflow-x: auto;
  margin: 0 calc(-1 * var(--s-sm));
  padding: 2px var(--s-sm) 4px;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
}
.ai-chips::-webkit-scrollbar {
  display: none;
}
/* Quiet capsule buttons: light surface, hairline border, icon in the accent. Only Send is filled. */
.chip,
.capsule {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border-radius: 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-label-primary);
  background: var(--c-bg-surface);
  border: 0.5px solid var(--c-separator);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.04);
  scroll-snap-align: start;
  transition: transform 0.12s var(--ease-out), background 0.12s ease;
}
.chip .icon,
.capsule .icon {
  color: var(--accent);
}
.capsule:active {
  transform: scale(0.96);
  background: var(--c-bg-hover);
}
.chip:active {
  transform: scale(0.96);
  background: color-mix(in srgb, var(--c-label-primary) 5%, var(--c-bg-surface));
}
.chip.small {
  height: 32px;
  padding: 0 12px;
  font-size: 13px;
}
.chip.busy {
  opacity: 0.55;
  pointer-events: none;
}
.glass-card {
  position: relative;
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--c-bg-surface) 82%, transparent);
  -webkit-backdrop-filter: blur(20px) saturate(170%);
  backdrop-filter: blur(20px) saturate(170%);
  box-shadow: var(--shadow-1), inset 0 0.5px 0 rgb(255 255 255 / 0.5);
  border: 0.5px solid var(--glass-edge);
}
.ai-card {
  margin-top: var(--s-md);
  padding: var(--s-md) var(--s-lg) var(--s-lg);
  animation: materialize 0.32s var(--ease-out);
}
@keyframes materialize {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.98);
    filter: blur(4px);
  }
}
.ai-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 55%, transparent), transparent 45%, color-mix(in srgb, var(--accent) 30%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.ai-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--s-sm);
}
.ai-card-title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: var(--f-caption);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}
.ai-card-tools {
  display: flex;
  margin: -6px -10px -6px 0;
}
.ai-provider {
  margin-top: var(--s-md);
  font: var(--f-caption);
  color: var(--c-label-tertiary);
}
.ai-shimmer {
  display: grid;
  gap: 9px;
  padding: 4px 0;
}
.ai-shimmer i {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--accent-soft) 25%, color-mix(in srgb, var(--accent) 22%, transparent) 50%, var(--accent-soft) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
}
.ai-shimmer i:nth-child(2) {
  width: 85%;
}
.ai-shimmer i:nth-child(3) {
  width: 60%;
}
.ai-error p {
  margin: 0 0 var(--s-sm);
  color: var(--c-danger);
}
.ai-reply {
  display: flex;
  align-items: flex-end;
  gap: var(--s-sm);
  margin-top: var(--s-md);
  padding: 6px 6px 6px var(--s-lg);
  border-radius: 22px;
}
.ai-input {
  flex: 1;
  min-height: 32px;
  max-height: 160px;
  padding: 6px 0;
  border: 0;
  outline: 0;
  resize: none;
  background: transparent;
  line-height: 1.35;
}
.send-btn {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--accent);
}
.send-btn:active {
  transform: scale(0.94);
}
.quick-replies {
  display: grid;
  gap: var(--s-sm);
}
.quick-reply {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  text-align: left;
  background: var(--c-bg-surface);
  border: 0.5px solid var(--c-separator);
}
.quick-reply strong {
  color: var(--accent);
  font-size: 14px;
}
.quick-reply span {
  font-size: 14px;
  color: var(--c-label-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.quick-reply:active {
  transform: scale(0.98);
}

/* ---------- sheets ---------- */
.sheet-root {
  position: fixed;
  inset: 0;
  z-index: 50;
}
.scrim {
  position: absolute;
  inset: 0;
  background: rgb(0 0 0 / 0.32);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.sheet-root.open .scrim {
  opacity: 1;
}
.sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: calc(100dvh - var(--safe-t) - 40px);
  display: flex;
  flex-direction: column;
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  background: var(--c-bg-canvas);
  box-shadow: var(--shadow-sheet);
  transform: translateY(100%);
  transition: transform 0.5s var(--ease-spring);
  touch-action: pan-y;
}
.sheet.tall {
  height: calc(100dvh - var(--safe-t) - 12px);
}
.sheet-root.open .sheet {
  transform: none;
}
@media (min-width: 700px) {
  .sheet {
    left: 50%;
    right: auto;
    width: 620px;
    margin-left: -310px;
  }
}
.sheet-header {
  flex: none;
  padding: 6px var(--s-sm) 0;
  cursor: grab;
}
.sheet-header.bare {
  padding-bottom: var(--s-md);
}
.sheet-grabber {
  width: 36px;
  height: 5px;
  margin: 0 auto 4px;
  border-radius: 3px;
  background: color-mix(in srgb, var(--c-label-primary) 18%, transparent);
}
.sheet-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 44px;
}
.sheet-bar > :last-child {
  justify-self: end;
}
.sheet-title {
  margin: 0;
  font: var(--f-headline);
  font-size: 17px;
  text-align: center;
}
.sheet-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0 var(--s-lg) calc(var(--safe-b) + var(--s-lg));
}
.text-btn {
  min-height: 44px;
  padding: 0 var(--s-sm);
  color: var(--accent);
  font-size: 17px;
}
.text-btn.strong {
  font-weight: 600;
}
.pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 0 16px;
  border-radius: 18px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.12s var(--ease-out), opacity 0.12s ease;
}
.pill-btn.primary {
  color: #fff;
  background: var(--accent);
}
.pill-btn:active {
  transform: scale(0.96);
}
.pill-btn:disabled,
.pill-btn.busy {
  opacity: 0.5;
}
.pill-btn.wide {
  width: 100%;
  height: 50px;
  border-radius: 14px;
  font-size: 17px;
}

.action-list {
  display: grid;
  gap: 1px;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-separator);
}
.action-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 0 var(--s-lg);
  background: var(--c-bg-surface);
  color: var(--accent);
  font-size: 17px;
  text-align: left;
}
.action-row:active {
  background: var(--c-bg-hover);
}
.action-row.destructive {
  color: var(--c-danger);
}

/* folders */
.folders {
  display: grid;
  gap: var(--s-lg);
}
.folder-group {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-bg-surface);
}
.folder-group .set-heading {
  padding: var(--s-md) var(--s-lg) var(--s-xs);
}
.folder-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 46px;
  padding: 0 var(--s-lg) 0 calc(var(--s-lg) + var(--depth, 0) * 22px);
  text-align: left;
  color: var(--c-label-primary);
  background: var(--c-bg-surface);
}
.folder-row .icon {
  color: var(--accent);
}
.folder-row:active,
.folder-row.active {
  background: var(--accent-soft);
}
.folder-title {
  flex: 1;
  font-size: 17px;
}
.folder-count {
  color: var(--c-label-secondary);
  font-variant-numeric: tabular-nums;
}
.settings-row {
  border-radius: var(--r-md);
}

/* ---------- composer ---------- */
.compose {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.field {
  display: flex;
  align-items: center;
  gap: var(--s-sm);
  min-height: 46px;
  border-bottom: 0.5px solid var(--c-separator);
}
.field-label {
  width: 64px;
  flex: none;
  color: var(--c-label-secondary);
  font-size: 16px;
}
.field-input {
  flex: 1;
  min-width: 0;
  height: 44px;
  border: 0;
  outline: 0;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
}
select.field-input {
  color: var(--c-label-primary);
}
.compose-ai {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-sm);
  padding: var(--s-md) 0 var(--s-xs);
}
.attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.attachments:not(:empty) {
  padding-top: var(--s-sm);
}
.attachment-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 4px 4px 10px;
  border-radius: 14px;
  font-size: 13px;
  background: var(--c-bg-surface);
}
.attachment-pill small {
  color: var(--c-label-secondary);
}
.compose-body {
  flex: 1;
  min-height: 40vh;
  margin-top: var(--s-sm);
  padding: var(--s-sm) 0;
  border: 0;
  outline: 0;
  resize: none;
  background: transparent;
  line-height: 1.5;
}
.compose-quote {
  margin-top: var(--s-sm);
  color: var(--c-label-secondary);
}
.compose-quote summary {
  min-height: 36px;
  display: flex;
  align-items: center;
  font-size: 14px;
  cursor: pointer;
}
.compose-quote pre {
  margin: 0;
  white-space: pre-wrap;
  font: var(--f-callout);
  border-left: 2px solid var(--c-separator);
  padding-left: 10px;
}

/* ---------- summary ---------- */
.summary {
  padding: var(--s-xs) var(--s-lg) var(--s-xl);
}
.summary-hero {
  padding: var(--s-xs) 0 var(--s-lg);
}
.summary-date {
  margin: 0 0 2px;
  font: var(--f-caption);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-label-secondary);
}
.summary-world {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 4px 0 0;
  color: var(--c-label-secondary);
}
.world-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-md);
}
.tile {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  align-items: start;
  gap: 6px;
  padding: 14px;
  border-radius: var(--r-md);
  text-align: left;
  background: var(--card-bg);
  box-shadow: var(--shadow-1);
  transition: transform 0.12s var(--ease-out);
}
.tile:active {
  transform: scale(0.97);
}
.tile-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--accent);
  background: var(--accent-soft);
}
.tile-count {
  font: var(--f-large-title);
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.tile.zero .tile-count {
  color: var(--c-label-tertiary);
}
.tile-label {
  grid-column: 1 / -1;
  font: var(--f-headline);
  color: var(--c-label-secondary);
}
.summary-section {
  margin-top: var(--s-xl);
}
.section-title {
  margin: 0 0 var(--s-sm) var(--s-xs);
  font: var(--f-headline);
  font-size: 17px;
}
.card-list {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: var(--shadow-1);
}
.card-list .muted {
  padding: var(--s-lg);
}
.card-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px var(--s-lg);
  text-align: left;
}
.card-row + .card-row {
  border-top: 0.5px solid var(--c-separator);
}
.card-row:active {
  background: var(--c-bg-hover);
}
.card-row-main {
  flex: 1;
  min-width: 0;
  display: grid;
}
.card-row-main span {
  color: var(--c-label-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-row time {
  align-self: flex-start;
  font: var(--f-callout);
  color: var(--c-label-secondary);
}
.sender-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-sm);
}
.sender-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px 4px 4px;
  border-radius: 18px;
  background: var(--card-bg);
  box-shadow: var(--shadow-1);
  font-size: 14px;
}
.sender-chip small {
  color: var(--c-label-secondary);
}
.muted {
  margin: 0;
  color: var(--c-label-secondary);
}
.digest-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: var(--s-lg);
  text-align: left;
}
.digest-btn > span:nth-child(2) {
  flex: 1;
  display: grid;
}
.digest-btn small {
  color: var(--c-label-secondary);
}
.digest-btn > .icon {
  color: var(--c-label-tertiary);
}
.digest-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--accent);
  background: var(--accent-soft);
}
.digest-btn:active {
  transform: scale(0.98);
}

/* ---------- settings ---------- */
.settings {
  padding-bottom: var(--s-xl);
}
.set-heading {
  margin: var(--s-xl) var(--s-lg) 6px;
  font: var(--f-caption);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--c-label-secondary);
}
.settings > .set-heading:first-child {
  margin-top: var(--s-sm);
}
.set-group {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-bg-surface);
}
.set-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-md);
  width: 100%;
  min-height: 48px;
  padding: 8px var(--s-lg);
  text-align: left;
}
.set-row + .set-row {
  border-top: 0.5px solid var(--c-separator);
}
.set-text {
  display: grid;
  gap: 1px;
}
.set-text small {
  color: var(--c-label-secondary);
  font-size: 13px;
}
.button-row {
  color: var(--accent);
}
.button-row:active {
  background: var(--c-bg-hover);
}
.button-row.destructive {
  color: var(--c-danger);
}
.set-note {
  margin: 8px var(--s-lg);
  font: var(--f-callout);
  color: var(--c-label-secondary);
}
.set-group > .set-note {
  margin: 0;
  padding: var(--s-md) var(--s-lg);
}
.set-select {
  max-width: 62%;
  text-overflow: ellipsis;
  padding-right: 18px;
  border: 0;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 16'%3E%3Cpath d='M3 6l3-3 3 3M3 10l3 3 3-3' fill='none' stroke='%238e8e93' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right center / 10px 14px;
  color: var(--c-label-secondary);
  text-align: right;
  -webkit-appearance: none;
  appearance: none;
}
.switch {
  -webkit-appearance: none;
  appearance: none;
  flex: none;
  position: relative;
  width: 51px;
  height: 31px;
  margin: 0;
  border-radius: 16px;
  background: color-mix(in srgb, var(--c-label-primary) 16%, transparent);
  transition: background 0.25s ease;
  cursor: pointer;
}
.switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgb(0 0 0 / 0.2);
  transition: transform 0.3s var(--ease-spring);
}
.switch:checked {
  background: var(--c-success);
}
.switch:checked::after {
  transform: translateX(20px);
}

/* ---------- login ---------- */
.login {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: calc(var(--safe-t) + 24px) 24px calc(var(--safe-b) + 24px);
  background: radial-gradient(120% 80% at 50% 0%, var(--accent-soft), var(--c-bg-canvas) 70%);
}
.login-card {
  width: min(360px, 100%);
  display: grid;
  gap: var(--s-md);
  text-align: center;
}
.login-mark {
  justify-self: center;
  width: 84px;
  height: 84px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  color: #fff;
  font: 700 44px/1 var(--font-display);
  background: linear-gradient(145deg, #2a3560, #1c2440);
  box-shadow: 0 10px 30px rgb(28 36 64 / 0.35);
}
.login-title {
  margin: var(--s-sm) 0 0;
  font: var(--f-large-title);
  font-family: var(--font-display);
  letter-spacing: var(--t-large-title);
}
.login-sub {
  margin: 0 0 var(--s-md);
  color: var(--c-label-secondary);
}
.login-input {
  height: 50px;
  padding: 0 16px;
  border-radius: 14px;
  border: 0.5px solid var(--c-separator);
  background: var(--c-bg-surface);
  outline: 0;
}
.login-input:focus {
  border-color: var(--accent);
}
.login-error {
  min-height: 1.2em;
  margin: 0;
  color: var(--c-danger);
  font-size: 14px;
}
.login-hint {
  margin: 0;
  font: var(--f-callout);
  color: var(--c-label-tertiary);
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  z-index: 100;
  left: 50%;
  bottom: calc(var(--safe-b) + 88px); /* clears the toolbar and the New Message button */
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100vw - 32px);
  padding: 10px 16px;
  border-radius: 22px;
  color: #fff;
  font-size: 15px;
  background: rgb(30 30 33 / 0.88);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.2);
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.36s var(--ease-spring), opacity 0.2s ease;
}
.toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
  pointer-events: auto;
}
.toast.error {
  background: color-mix(in srgb, var(--c-danger) 92%, black);
}
.toast-action {
  font-weight: 600;
  color: #9ec3ff;
  min-height: 32px;
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  .view,
  .push-layer,
  .sheet,
  .row,
  .seg-pill,
  .toast {
    transition: opacity 0.2s ease !important;
  }
  .push-layer {
    transform: none;
    opacity: 0;
  }
  .push-layer.in {
    opacity: 1;
  }
  .view.primary.under {
    transform: none;
  }
  .spinner {
    animation: spin 1.6s linear infinite !important;
    animation-iteration-count: infinite !important;
  }
}

/* wider screens (iPad / desktop browser): keep a readable column */
@media (min-width: 900px) {
  .list-scroll > *,
  .thread-scroll > * {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
  }
  .rows {
    margin-left: auto;
    margin-right: auto;
  }
  .world-bar .segmented {
    max-width: 360px;
    margin: 0 auto;
  }
}

/* ---------- list extras ---------- */
.filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-sm);
  margin-top: var(--s-sm);
  min-height: 36px;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  border-radius: 15px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-label-primary);
  background: var(--c-bg-surface);
  border: 0.5px solid var(--c-separator);
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.filter-chip .icon {
  color: var(--accent);
}
.filter-chip[aria-pressed="true"] {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}
.text-btn.small {
  min-height: 36px;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.text-btn:disabled {
  opacity: 0.35;
}
.pinned-section {
  margin-bottom: var(--s-lg);
}
.list-section-title {
  display: flex;
  align-items: center;
  gap: 5px;
  margin: 0 var(--s-lg) 6px calc(var(--s-lg) + var(--s-xs));
  font: var(--f-caption);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--c-label-secondary);
}
.list-section-title .icon {
  color: var(--c-flag);
  fill: var(--c-flag);
}
.nav-side {
  display: flex;
  align-items: center;
  min-width: 0;
}
.nav-side.end {
  justify-self: end;
  gap: 2px;
}
.list-view .nav-title {
  max-width: 44vw;
}
.bulk-bar {
  transform: translateY(110%);
  visibility: hidden;
  transition: transform 0.36s var(--ease-spring), visibility 0s linear 0.36s;
  justify-content: space-around;
}
.selecting .bulk-bar {
  transform: none;
  visibility: visible;
  transition: transform 0.36s var(--ease-spring), visibility 0s;
}
.bulk-bar.busy {
  opacity: 0.6;
  pointer-events: none;
}
.selecting .list-scroll {
  padding-bottom: calc(var(--safe-b) + var(--toolbar-h) + 24px);
}
.tool.labeled {
  width: auto;
  min-width: 48px;
  padding: 0 4px;
  display: grid;
  grid-auto-flow: row;
  place-items: center;
  gap: 1px;
  font-size: 10px;
  font-weight: 500;
}
.tool.labeled .icon {
  width: 21px;
  height: 21px;
}
.tool.destructive {
  color: var(--c-danger);
}
.tool:disabled {
  opacity: 0.3;
}

/* ---------- thread extras ---------- */
.thread-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-sm);
  flex-wrap: wrap;
  margin: calc(-1 * var(--s-xs)) var(--s-xs) var(--s-md);
}
.thread-meta > .text-btn {
  margin-left: auto;
}
.unsub-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 4px 4px 12px;
  border-radius: 18px;
  font-size: 14px;
  color: var(--c-label-secondary);
  background: var(--card-bg);
  box-shadow: var(--shadow-1);
}
.unsub-btn {
  height: 30px;
  padding: 0 12px;
  border-radius: 15px;
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
  background: var(--c-bg-canvas);
  border: 0.5px solid var(--c-separator);
}
.unsub-btn:disabled {
  opacity: 0.5;
}
.attachment {
  padding: 0;
  gap: 0;
  overflow: hidden;
}
.attachment-open {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 8px 4px 8px 12px;
  color: inherit;
  text-decoration: none;
}
.attachment-save {
  flex: none;
  width: 40px;
  align-self: stretch;
  display: grid;
  place-items: center;
  color: var(--accent);
  border-left: 0.5px solid var(--c-separator);
}
.attachment-save.busy {
  opacity: 0.4;
}

/* ---------- composer extras ---------- */
.field-wrap {
  position: relative;
}
.suggest {
  position: absolute;
  z-index: 5;
  left: 64px;
  right: 0;
  top: 100%;
  margin-top: 2px;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-bg-raised);
  box-shadow: 0 8px 28px rgb(0 0 0 / 0.16), 0 0 0 0.5px var(--c-separator);
}
.suggest-row {
  display: grid;
  width: 100%;
  padding: 9px 14px;
  text-align: left;
}
.suggest-row + .suggest-row {
  border-top: 0.5px solid var(--c-separator);
}
.suggest-row span {
  font-size: 13px;
  color: var(--c-label-secondary);
}
.suggest-row.active,
.suggest-row:active {
  background: var(--accent-soft);
}
.compose-status {
  min-height: 16px;
  font: var(--f-caption);
  color: var(--c-label-tertiary);
}
.prompt {
  padding: var(--s-sm) 0 var(--s-lg);
}
.prompt-input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border-radius: 12px;
  border: 0.5px solid var(--c-separator);
  background: var(--c-bg-surface);
  outline: 0;
}
.prompt-input:focus {
  border-color: var(--accent);
}

/* ---------- accent swatches ---------- */
.accent-row {
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  padding-top: 12px;
  padding-bottom: 14px;
}
.accent-row .swatches {
  gap: 10px;
}
.swatches {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.swatch {
  position: relative;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--sw);
  box-shadow: inset 0 0 0 0.5px rgb(0 0 0 / 0.15);
  transition: transform 0.12s var(--ease-out);
}
.swatch:active {
  transform: scale(0.9);
}
.swatch.on {
  box-shadow: 0 0 0 2px var(--c-bg-surface), 0 0 0 4px var(--sw);
}
.swatch.custom.on {
  box-shadow: 0 0 0 2px var(--c-bg-surface), 0 0 0 4px var(--c-label-secondary);
}
.swatch-custom {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}
.row-subject .pin-mark .icon {
  color: var(--c-flag);
  fill: var(--c-flag);
}

.pill-btn.quiet {
  color: var(--c-label-primary);
  background: var(--c-bg-surface);
  border: 0.5px solid var(--c-separator);
}

/* ---------- unread counts ---------- */
.count-pill {
  min-width: 22px;
  height: 20px;
  padding: 0 7px;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.count-pill.strong {
  color: #fff;
  background: var(--accent);
}
.count-pill.soft {
  color: var(--accent);
  background: var(--accent-soft);
}
.count-pill.empty {
  visibility: hidden;
}
.seg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.seg-count {
  min-width: 18px;
  height: 17px;
  padding: 0 5px;
  border-radius: 9px;
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: 17px;
  color: var(--c-label-secondary);
  background: color-mix(in srgb, var(--c-label-primary) 8%, transparent);
}
.seg[aria-selected="true"] .seg-count {
  color: #fff;
  background: var(--accent);
}
.seg-count:empty {
  display: none;
}
.folders-btn {
  position: relative;
}
.nav-badge {
  position: absolute;
  top: 4px;
  right: -2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 0 0 2px var(--c-bg-canvas);
  pointer-events: none;
}
.nav-badge:empty {
  display: none;
}

/* ---------- folders sheet ---------- */
.folder-tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-sm);
}
.folder-tile {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-radius: var(--r-md);
  text-align: left;
  background: var(--c-bg-surface);
  border: 0.5px solid var(--c-separator);
  transition: transform 0.12s var(--ease-out);
}
.folder-tile:active {
  transform: scale(0.97);
}
.folder-tile.active {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 6%, var(--c-bg-surface));
}
.folder-tile-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.folder-tile-title {
  font: var(--f-headline);
  font-size: 15px;
}
.live-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 0;
  font: var(--f-caption);
  color: var(--c-label-tertiary);
}
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-label-tertiary);
}
.live-status.live .live-dot {
  background: var(--c-success);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-success) 20%, transparent);
}
.live-status.offline .live-dot {
  background: var(--c-danger);
}

/* ---------- thread / summary extras ---------- */
.reply-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-sm);
  margin-top: var(--s-md);
}
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.section-head .text-btn {
  min-height: 30px;
}
.set-gap {
  height: var(--s-md);
}

/* ======================================================================
   Audit pass (docs/AUDIT-PWA.md)
   ====================================================================== */

/* Unread rows: a soft accent wash and a 3px bar inset from the card edges, like the Mac. */
.unread-dot {
  display: none;
}
.row {
  padding-left: 14px;
}
.row-wrap + .row-wrap .row::before {
  left: 66px;
}
.row.unread {
  background: color-mix(in srgb, var(--accent) 7%, var(--card-bg));
}
.row.unread::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.row.unread:active {
  background: color-mix(in srgb, var(--accent) 12%, var(--card-bg));
}
.row-from {
  font-weight: 600;
}
.row-time {
  color: var(--c-label-secondary);
}
.row.unread .row-time {
  color: var(--accent);
  font-weight: 600;
}

/* Filled accent surfaces use the contrast-safe fill. */
.pill-btn.primary,
.count-pill.strong,
.nav-badge,
.seg[aria-selected="true"] .seg-count,
.send-btn {
  background: var(--accent-fill);
}
.row-wrap.selected .select-mark .icon {
  fill: var(--accent-fill);
}

/* Avatars: clearer in dark mode. */
@media (prefers-color-scheme: dark) {
  .avatar {
    color: hsl(var(--h) 70% 88%);
    background: hsl(var(--h) 32% 34%);
  }
}

/* Press feedback everywhere it was only an opacity blink. */
.tool:active,
.icon-btn:active,
.folder-row:active,
.action-row:active,
.card-row:active {
  transform: scale(0.96);
  opacity: 1;
}
.tool,
.icon-btn,
.folder-row,
.action-row,
.card-row {
  transition: transform 0.14s var(--ease-out), background 0.12s ease;
}
.tool:active {
  background: var(--c-bg-hover);
  border-radius: 12px;
}

/* Folders sheet: inset-grouped like Settings, headings outside the cards. */
.folder-heading {
  margin: var(--s-xs) var(--s-lg) -6px;
  font: var(--f-caption);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--c-label-secondary);
}
.folder-row + .folder-row {
  box-shadow: inset 0 0.5px 0 var(--c-separator);
}
.folder-row .icon {
  width: 22px;
  height: 22px;
}

/* Thread: AI tools read as their own section, aligned with the cards. */
.ai-heading {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: var(--s-xl) var(--s-xs) var(--s-sm);
  font: var(--f-caption);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--c-label-secondary);
}
.ai-heading .icon {
  color: var(--accent);
}
.ai-bar {
  margin-top: 0;
}
.ai-chips {
  margin: 0 calc(-1 * var(--s-sm));
  padding: 2px var(--s-sm) 4px;
  scroll-padding-inline: var(--s-sm);
}
.ai-ask {
  display: flex;
  align-items: flex-end;
  gap: var(--s-sm);
  margin-top: var(--s-md);
  padding: 6px 6px 6px var(--s-lg);
  border-radius: 22px;
  background: var(--c-bg-surface);
  border: 0.5px solid var(--c-separator);
}
.ai-ask .lead-wrap {
  display: inline-flex;
  align-self: center;
  margin-left: -6px;
  color: var(--accent);
}
.ai-ask .ai-input::placeholder {
  color: var(--c-label-tertiary);
}

/* Offline banner (mail can't load without the server). */
.offline-banner {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: calc(var(--safe-t) + var(--world-h) + var(--bar-h) + 6px);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-label-primary);
  background: var(--c-bg-raised);
  border: 0.5px solid var(--c-separator);
  box-shadow: 0 4px 16px rgb(0 0 0 / 0.12);
}
.offline-banner .live-dot {
  background: var(--c-danger);
}

/* Keyboard: sheets ride above it instead of being covered. */
.sheet-root {
  bottom: var(--kb);
  transition: bottom 0.25s var(--ease-out);
}
.sheet.tall {
  height: calc(100dvh - var(--kb) - var(--safe-t) - 12px);
}
.sheet {
  max-height: calc(100dvh - var(--kb) - var(--safe-t) - 40px);
}
.kb-open .sheet-body {
  padding-bottom: var(--s-lg);
}

/* Search: a short placeholder; operators are offered as chips while searching. */
.search-ops {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  margin: var(--s-sm) calc(-1 * var(--s-lg)) 0;
  padding: 0 var(--s-lg);
}
.search-op {
  flex: none;
  height: 28px;
  padding: 0 10px;
  border-radius: 14px;
  font: 500 13px/28px var(--font-sans);
  color: var(--c-label-primary);
  background: var(--c-bg-surface);
  border: 0.5px solid var(--c-separator);
}
.search-op:active {
  transform: scale(0.95);
}

/* Consistent pressed state for capsules in dark mode. */
@media (prefers-color-scheme: dark) {
  .chip,
  .capsule,
  .filter-chip,
  .quick-reply,
  .search-op,
  .ai-ask {
    background: var(--c-bg-raised);
  }
}

/* New Message button: world colour, bottom-right above the home indicator. */
.fab {
  position: absolute;
  z-index: 5;
  right: calc(var(--s-lg) + var(--safe-r));
  bottom: calc(var(--s-lg) + var(--safe-b));
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--accent-fill);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 38%, transparent), 0 2px 6px rgb(0 0 0 / 0.14);
  transition: transform 0.28s var(--ease-spring), opacity 0.2s ease;
}
.fab .icon {
  stroke-width: 2;
}
.fab:active {
  transform: scale(0.92);
}
.selecting .fab,
.sheet-open .fab,
.view.under .fab {
  transform: scale(0.6);
  opacity: 0;
  pointer-events: none;
}
/* The last row and the summary end are never hidden behind it. */
.list-scroll {
  padding-bottom: calc(var(--safe-b) + 56px + var(--s-lg) * 2);
}

/* Digest card */
.digest-card .ai-card-head {
  margin-bottom: var(--s-md);
}
.mini-seg {
  display: inline-grid;
  grid-auto-flow: column;
  padding: 2px;
  border-radius: 9px;
  background: color-mix(in srgb, var(--c-label-primary) 7%, transparent);
}
.mini-seg-btn {
  height: 28px;
  padding: 0 12px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-label-secondary);
}
.mini-seg-btn[aria-selected="true"] {
  color: var(--c-label-primary);
  background: var(--c-bg-raised);
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.12);
}
.digest-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--s-sm);
}
.digest-foot .ai-provider {
  margin: 0;
}
.digest-go {
  width: 100%;
  justify-content: center;
}

.sender-chip {
  max-width: 100%;
}
.sender-chip-name {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ======================================================================
   Navigation stack like iOS Mail: Mailboxes → list → conversation
   ====================================================================== */
.view.root-view {
  z-index: 0;
}
.view.stacked {
  z-index: 1;
  --world-h: 0px; /* lists have no world switcher; it lives on Mailboxes */
  box-shadow: -10px 0 30px rgb(0 0 0 / 0.1);
}
.view.stack-off {
  transform: translateX(100%);
  box-shadow: none;
  pointer-events: none;
}
.view.under {
  transform: translateX(-25%);
  filter: brightness(0.92);
  pointer-events: none;
}
.view.no-anim {
  transition: none !important;
}
.list-nav .nav-back {
  margin-left: -6px;
}
.mailboxes-content {
  padding: 0 var(--s-lg);
  gap: var(--s-lg);
}
.mailboxes-content .folder-row > .icon:last-child {
  color: var(--c-label-tertiary);
  margin-left: 2px;
}
.mailboxes-content .live-status {
  padding: var(--s-sm) 0;
}
@media (prefers-reduced-motion: reduce) {
  .view.under {
    transform: none;
  }
}

/* Login uses the real app icon. */
.login-icon {
  justify-self: center;
  width: 84px;
  height: 84px;
  border-radius: 19px;
  box-shadow: 0 10px 30px rgb(0 0 0 / 0.18);
}

/* Composer header: 16px safe margins, Cancel / title / Send balanced. */
.sheet-bar {
  grid-template-columns: minmax(88px, 1fr) auto minmax(88px, 1fr);
  padding: 0 calc(var(--s-sm) + var(--safe-r)) 0 calc(var(--s-sm) + var(--safe-l));
  gap: var(--s-sm);
}
.sheet-header {
  padding-left: var(--s-sm);
  padding-right: var(--s-sm);
}
.sheet-bar > :first-child {
  justify-self: start;
}
/* Mailboxes: no empty bar between the world switcher and the large title; the compact bar fades in on scroll. */
.mailboxes-view .list-scroll {
  padding-top: calc(var(--safe-t) + var(--world-h) + var(--s-sm));
}
.mailboxes-view .list-nav {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.mailboxes-view .list-nav.show-title {
  opacity: 1;
}

.nav-back-label {
  max-width: 40vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ======================================================================
   Undo Send / Send Later, Snooze, Waiting, Calendar, Subscriptions
   ====================================================================== */
.send-group {
  display: flex;
  align-items: center;
  gap: 2px;
  justify-self: end;
}
.send-later {
  color: var(--accent);
}
.swipe-btn.snooze {
  background: #5856d6;
}
.row-wrap.commit .swipe-btn.snooze {
  width: 0;
  overflow: hidden;
}
.capsule.small {
  height: 30px;
  padding: 0 11px;
  border-radius: 15px;
  font-size: 13px;
  gap: 5px;
}
.capsule.danger {
  color: var(--c-danger);
}
.capsule.danger .icon {
  color: var(--c-danger);
}
.capsule:disabled,
.capsule.busy {
  opacity: 0.5;
}
.row-extra {
  display: flex;
  margin-top: 6px;
}

/* Smart tiles: an odd last tile (Waiting) spans the full width. */
.folder-tiles > .folder-tile:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

/* Panels: Scheduled, Snoozed, Subscriptions */
.panel-list {
  margin: 0 var(--s-sm);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: var(--shadow-1);
}
.panel-row {
  display: flex;
  gap: 12px;
  padding: 12px var(--s-lg) 12px 14px;
}
.panel-row + .panel-row {
  box-shadow: inset 0 0.5px 0 var(--c-separator);
}
.panel-row.tappable:active {
  background: var(--c-bg-hover);
}
.panel-main {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 2px;
}
.panel-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.panel-top strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
}
.panel-when {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.panel-subject {
  font-size: 15px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.panel-preview,
.panel-meta {
  font-size: 14px;
  color: var(--c-label-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.panel-email {
  color: var(--c-label-tertiary);
}
.panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

/* Add to Calendar */
.event-list {
  display: grid;
  gap: var(--s-sm);
}
.event-row {
  display: grid;
  gap: 6px;
  padding: 10px;
  border-radius: var(--r-sm);
  background: var(--c-bg-canvas);
}
.event-title,
.event-date,
.event-time,
.set-input {
  min-width: 0;
  height: 40px;
  padding: 0 10px;
  border-radius: 10px;
  border: 0.5px solid var(--c-separator);
  background: var(--c-bg-surface);
  color: var(--c-label-primary);
  outline: 0;
}
.event-title:focus,
.event-date:focus,
.event-time:focus,
.set-input:focus {
  border-color: var(--accent);
}
.event-when {
  display: grid;
  grid-template-columns: 1fr 112px auto;
  gap: 6px;
  align-items: center;
}
.events-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--s-md);
}
.input-row {
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}
.input-pair {
  display: flex;
  gap: 6px;
}
.input-pair .set-input {
  flex: 1;
}

/* Device display preferences */
.row-preview {
  -webkit-line-clamp: var(--preview-lines, 2);
}
[data-preview-lines="0"] .row-preview {
  display: none;
}
[data-density="compact"] .row {
  padding-top: 7px;
  padding-bottom: 8px;
}
[data-density="compact"] .row .avatar {
  width: 32px !important;
  height: 32px !important;
  font-size: 12px !important;
}
[data-density="compact"] .row-from {
  font-size: 15px;
}
[data-density="compact"] .row-subject,
[data-density="compact"] .row-preview {
  font-size: 14px;
}
.action-label {
  flex: 1;
}
.action-detail {
  color: var(--c-label-secondary);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}
/* Thread nav: back label and collapsed subject never overlap. */
.thread-view .nav-bar {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr) minmax(0, 1fr);
}
.thread-view .nav-title {
  max-width: none;
  min-width: 0;
}
.thread-view .nav-back {
  min-width: 0;
  max-width: 100%;
}