@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  font-display: swap;
  src: url(assets/font-0.ttf) format('truetype');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 500;
  font-stretch: normal;
  font-display: swap;
  src: url(assets/font-1.ttf) format('truetype');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-stretch: normal;
  font-display: swap;
  src: url(assets/font-2.ttf) format('truetype');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 700;
  font-stretch: normal;
  font-display: swap;
  src: url(assets/font-3.ttf) format('truetype');
}
@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(assets/font-4.ttf) format('truetype');
}
@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(assets/font-5.ttf) format('truetype');
}
@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(assets/font-6.ttf) format('truetype');
}
/* Rustmail token contract v1. Import without a preprocessor. */
:root {
  --rm-font-ui: "IBM Plex Sans", "Segoe UI", sans-serif;
  --rm-font-reading: "Source Serif 4", Georgia, serif;
  --rm-font-mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
  --rm-text-xs: .75rem; --rm-text-sm: .8125rem; --rm-text-md: .875rem;
  --rm-text-base: 1rem; --rm-text-lg: 1.125rem; --rm-text-xl: 1.5rem;
  --rm-text-display: 2rem;
  --rm-leading-ui: 1.45; --rm-leading-reading: 1.65;
  --rm-weight-regular: 400; --rm-weight-medium: 500; --rm-weight-semibold: 600;
  --rm-space-1: .25rem; --rm-space-2: .5rem; --rm-space-3: .75rem;
  --rm-space-4: 1rem; --rm-space-5: 1.25rem; --rm-space-6: 1.5rem;
  --rm-space-8: 2rem; --rm-space-10: 2.5rem; --rm-space-12: 3rem;
  --rm-radius-sm: .25rem; --rm-radius-md: .5rem; --rm-radius-lg: .75rem;
  --rm-radius-pill: 99rem;
  --rm-shadow-popover: 0 8px 28px #101A2024;
  --rm-shadow-modal: 0 24px 80px #101A204D;
  --rm-duration-fast: 100ms; --rm-duration-normal: 160ms;
  --rm-ease: cubic-bezier(.2, 0, 0, 1);
  --rm-sidebar-width: 14rem; --rm-list-width: 23rem; --rm-header-height: 4.5rem;
  --rm-target: 2.75rem; --rm-row-height: 6.75rem;
  --rm-z-sticky: 10; --rm-z-popover: 20; --rm-z-dialog: 40; --rm-z-toast: 50;
}

:root, [data-theme="paper"] {
  color-scheme: light;
  --rm-canvas: #F3F1EB;
  --rm-surface: #FFFEFA;
  --rm-raised: #FFFFFF;
  --rm-subtle: #EAE8E1;
  --rm-text: #202D2A;
  --rm-muted: #53615B;
  --rm-accent: #245B4D;
  --rm-accent-hover: #194738;
  --rm-on-accent: #FFFFFF;
  --rm-selected: #E2EFE9;
  --rm-line: #C7CCC5;
  --rm-control: #778178;
  --rm-focus: #126950;
  --rm-work-bg: #E4EDF5;
  --rm-work-fg: #254C70;
  --rm-work-mark: #386B94;
  --rm-personal-bg: #F4EADB;
  --rm-personal-fg: #6B4820;
  --rm-personal-mark: #8A6028;
  --rm-local-bg: #EEE7F6;
  --rm-local-fg: #5C4275;
  --rm-local-mark: #75558D;
  --rm-danger-bg: #FBE8E8;
  --rm-danger-fg: #972E34;
  --rm-warning-bg: #FFF1CF;
  --rm-warning-fg: #755119;
  --rm-success-bg: #E2EFE9;
  --rm-success-fg: #245B4D;
}

[data-theme="porcelain"] {
  color-scheme: light;
  --rm-canvas: #EEF2F5;
  --rm-surface: #FAFCFE;
  --rm-raised: #FFFFFF;
  --rm-subtle: #E4EBF0;
  --rm-text: #23303C;
  --rm-muted: #4E606E;
  --rm-accent: #275A78;
  --rm-accent-hover: #1D4561;
  --rm-on-accent: #FFFFFF;
  --rm-selected: #DCEBF3;
  --rm-line: #BBC8D2;
  --rm-control: #71818E;
  --rm-focus: #185B8A;
  --rm-work-bg: #E4EDF5;
  --rm-work-fg: #254C70;
  --rm-work-mark: #386B94;
  --rm-personal-bg: #F4EADB;
  --rm-personal-fg: #6B4820;
  --rm-personal-mark: #8A6028;
  --rm-local-bg: #EEE7F6;
  --rm-local-fg: #5C4275;
  --rm-local-mark: #75558D;
  --rm-danger-bg: #FBE8E8;
  --rm-danger-fg: #972E34;
  --rm-warning-bg: #FFF1CF;
  --rm-warning-fg: #755119;
  --rm-success-bg: #E2EFE9;
  --rm-success-fg: #245B4D;
}

[data-theme="clay"] {
  color-scheme: light;
  --rm-canvas: #F7F0EC;
  --rm-surface: #FFFCF8;
  --rm-raised: #FFFFFF;
  --rm-subtle: #F0E5DF;
  --rm-text: #382C27;
  --rm-muted: #6B574D;
  --rm-accent: #814733;
  --rm-accent-hover: #653421;
  --rm-on-accent: #FFFFFF;
  --rm-selected: #F3E3D8;
  --rm-line: #D2BEB2;
  --rm-control: #92776A;
  --rm-focus: #8B442B;
  --rm-work-bg: #E4EDF5;
  --rm-work-fg: #254C70;
  --rm-work-mark: #386B94;
  --rm-personal-bg: #F4EADB;
  --rm-personal-fg: #6B4820;
  --rm-personal-mark: #8A6028;
  --rm-local-bg: #EEE7F6;
  --rm-local-fg: #5C4275;
  --rm-local-mark: #75558D;
  --rm-danger-bg: #FBE8E8;
  --rm-danger-fg: #972E34;
  --rm-warning-bg: #FFF1CF;
  --rm-warning-fg: #755119;
  --rm-success-bg: #E2EFE9;
  --rm-success-fg: #245B4D;
}

[data-theme="clarity-light"] {
  color-scheme: light;
  --rm-canvas: #F4F5F5;
  --rm-surface: #FFFFFF;
  --rm-raised: #FFFFFF;
  --rm-subtle: #E7ECF0;
  --rm-text: #192D3B;
  --rm-muted: #485D6B;
  --rm-accent: #165C85;
  --rm-accent-hover: #12476A;
  --rm-on-accent: #FFFFFF;
  --rm-selected: #DDEDF7;
  --rm-line: #B8C5CF;
  --rm-control: #6B7D89;
  --rm-focus: #005B93;
  --rm-work-bg: #E4EDF5;
  --rm-work-fg: #254C70;
  --rm-work-mark: #386B94;
  --rm-personal-bg: #F4EADB;
  --rm-personal-fg: #6B4820;
  --rm-personal-mark: #8A6028;
  --rm-local-bg: #EEE7F6;
  --rm-local-fg: #5C4275;
  --rm-local-mark: #75558D;
  --rm-danger-bg: #FBE8E8;
  --rm-danger-fg: #972E34;
  --rm-warning-bg: #FFF1CF;
  --rm-warning-fg: #755119;
  --rm-success-bg: #E2EFE9;
  --rm-success-fg: #245B4D;
}

[data-theme="ink"] {
  color-scheme: dark;
  --rm-canvas: #141D1C;
  --rm-surface: #1C2825;
  --rm-raised: #24332F;
  --rm-subtle: #2B3D37;
  --rm-text: #EFF4EA;
  --rm-muted: #B7C7BD;
  --rm-accent: #AADBC6;
  --rm-accent-hover: #C6EBDD;
  --rm-on-accent: #152820;
  --rm-selected: #314B40;
  --rm-line: #485D52;
  --rm-control: #7D9386;
  --rm-focus: #B4F1D6;
  --rm-work-bg: #223B50;
  --rm-work-fg: #C5DEF6;
  --rm-work-mark: #A7CFF3;
  --rm-personal-bg: #46351F;
  --rm-personal-fg: #F5D3A3;
  --rm-personal-mark: #EBC68C;
  --rm-local-bg: #3D2E50;
  --rm-local-fg: #E0D0F2;
  --rm-local-mark: #CDB1ED;
  --rm-danger-bg: #4B272C;
  --rm-danger-fg: #FFC3C7;
  --rm-warning-bg: #48391D;
  --rm-warning-fg: #F6D18C;
  --rm-success-bg: #294337;
  --rm-success-fg: #BDE7D0;
}

[data-theme="midnight"] {
  color-scheme: dark;
  --rm-canvas: #141B25;
  --rm-surface: #1B2735;
  --rm-raised: #233144;
  --rm-subtle: #2B3B50;
  --rm-text: #EDF2FA;
  --rm-muted: #BAC8DD;
  --rm-accent: #B1D4F5;
  --rm-accent-hover: #D0E7FC;
  --rm-on-accent: #172A3E;
  --rm-selected: #30445B;
  --rm-line: #485C76;
  --rm-control: #8395B1;
  --rm-focus: #BDDEFF;
  --rm-work-bg: #223B50;
  --rm-work-fg: #C5DEF6;
  --rm-work-mark: #A7CFF3;
  --rm-personal-bg: #46351F;
  --rm-personal-fg: #F5D3A3;
  --rm-personal-mark: #EBC68C;
  --rm-local-bg: #3D2E50;
  --rm-local-fg: #E0D0F2;
  --rm-local-mark: #CDB1ED;
  --rm-danger-bg: #4B272C;
  --rm-danger-fg: #FFC3C7;
  --rm-warning-bg: #48391D;
  --rm-warning-fg: #F6D18C;
  --rm-success-bg: #294337;
  --rm-success-fg: #BDE7D0;
}

[data-theme="aubergine"] {
  color-scheme: dark;
  --rm-canvas: #211A22;
  --rm-surface: #2C2230;
  --rm-raised: #382B3C;
  --rm-subtle: #423348;
  --rm-text: #F7EFF7;
  --rm-muted: #D6BFD8;
  --rm-accent: #E8BDD2;
  --rm-accent-hover: #F3D6E4;
  --rm-on-accent: #382231;
  --rm-selected: #50384A;
  --rm-line: #725D74;
  --rm-control: #AB8CAE;
  --rm-focus: #F0C8E7;
  --rm-work-bg: #223B50;
  --rm-work-fg: #C5DEF6;
  --rm-work-mark: #A7CFF3;
  --rm-personal-bg: #46351F;
  --rm-personal-fg: #F5D3A3;
  --rm-personal-mark: #EBC68C;
  --rm-local-bg: #3D2E50;
  --rm-local-fg: #E0D0F2;
  --rm-local-mark: #CDB1ED;
  --rm-danger-bg: #4B272C;
  --rm-danger-fg: #FFC3C7;
  --rm-warning-bg: #48391D;
  --rm-warning-fg: #F6D18C;
  --rm-success-bg: #294337;
  --rm-success-fg: #BDE7D0;
}

[data-theme="clarity-dark"] {
  color-scheme: dark;
  --rm-canvas: #151B20;
  --rm-surface: #1E2931;
  --rm-raised: #29353E;
  --rm-subtle: #32414C;
  --rm-text: #F2F6FA;
  --rm-muted: #BFCDD8;
  --rm-accent: #B7DCFF;
  --rm-accent-hover: #D5EBFF;
  --rm-on-accent: #132E43;
  --rm-selected: #324A5D;
  --rm-line: #536B7D;
  --rm-control: #91A6B7;
  --rm-focus: #C2E3FF;
  --rm-work-bg: #223B50;
  --rm-work-fg: #C5DEF6;
  --rm-work-mark: #A7CFF3;
  --rm-personal-bg: #46351F;
  --rm-personal-fg: #F5D3A3;
  --rm-personal-mark: #EBC68C;
  --rm-local-bg: #3D2E50;
  --rm-local-fg: #E0D0F2;
  --rm-local-mark: #CDB1ED;
  --rm-danger-bg: #4B272C;
  --rm-danger-fg: #FFC3C7;
  --rm-warning-bg: #48391D;
  --rm-warning-fg: #F6D18C;
  --rm-success-bg: #294337;
  --rm-success-fg: #BDE7D0;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
  color-scheme: dark;
  --rm-canvas: #141D1C;
  --rm-surface: #1C2825;
  --rm-raised: #24332F;
  --rm-subtle: #2B3D37;
  --rm-text: #EFF4EA;
  --rm-muted: #B7C7BD;
  --rm-accent: #AADBC6;
  --rm-accent-hover: #C6EBDD;
  --rm-on-accent: #152820;
  --rm-selected: #314B40;
  --rm-line: #485D52;
  --rm-control: #7D9386;
  --rm-focus: #B4F1D6;
  --rm-work-bg: #223B50;
  --rm-work-fg: #C5DEF6;
  --rm-work-mark: #A7CFF3;
  --rm-personal-bg: #46351F;
  --rm-personal-fg: #F5D3A3;
  --rm-personal-mark: #EBC68C;
  --rm-local-bg: #3D2E50;
  --rm-local-fg: #E0D0F2;
  --rm-local-mark: #CDB1ED;
  --rm-danger-bg: #4B272C;
  --rm-danger-fg: #FFC3C7;
  --rm-warning-bg: #48391D;
  --rm-warning-fg: #F6D18C;
  --rm-success-bg: #294337;
  --rm-success-fg: #BDE7D0;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root { --rm-duration-fast: 0ms; --rm-duration-normal: 0ms; }
}
/* Focus offset exposes surface between control fill and the ring. */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--rm-focus); outline-offset: 3px;
}
::selection { color: var(--rm-text); background: var(--rm-selected); }
* { box-sizing: border-box; }
body { margin: 0; background: var(--rm-canvas); color: var(--rm-text); font: 400 var(--rm-text-md)/var(--rm-leading-ui) var(--rm-font-ui); }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--rm-accent); text-underline-offset: .2em; }
button, .button { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: var(--rm-target); padding: .6rem .9rem; background: var(--rm-surface); color: var(--rm-text); border: 1px solid var(--rm-control); border-radius: var(--rm-radius-md); text-decoration: none; cursor: pointer; font-weight: 500; }
button:hover, .button:hover { background: var(--rm-subtle); }
button[aria-disabled=true] { cursor: not-allowed; }
.primary { background: var(--rm-accent); color: var(--rm-on-accent); border-color: var(--rm-accent); }
.primary:hover { background: var(--rm-accent-hover); }
.quiet { border-color: transparent; background: transparent; }
.icon { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.icon-button { width: 44px; padding: .65rem; }
h1,h2,h3,p { margin-top: 0; }
h1 { font: 500 var(--rm-text-display)/1.18 var(--rm-font-reading); letter-spacing: -.025em; margin-bottom: .5rem; }
h2 { font-size: var(--rm-text-lg); font-weight: 600; }
h3 { font-size: var(--rm-text-base); font-weight: 600; }
small, .small { font-size: var(--rm-text-sm); }
.muted { color: var(--rm-muted); }
.eyebrow { font-size: var(--rm-text-xs); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--rm-muted); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: fixed; z-index: 100; top: -100px; left: 12px; padding: 12px; color: var(--rm-text); background: var(--rm-surface); }
.skip:focus { top: 12px; }
.topbar { height: var(--rm-header-height); display: grid; grid-template-columns: var(--rm-sidebar-width) 1fr auto; align-items: center; border-bottom: 1px solid var(--rm-line); padding-right: 1.5rem; gap: 1.5rem; background: var(--rm-surface); }
.brand { display: flex; align-items: center; gap: .65rem; padding-left: 1.5rem; font: 600 1.5rem var(--rm-font-reading); text-decoration: none; color: var(--rm-text); }
.brand .icon { width: 28px; height: 28px; }
.search { display: flex; align-items: center; gap: .75rem; max-width: 670px; background: var(--rm-canvas); border: 1px solid var(--rm-control); border-radius: var(--rm-radius-md); padding: 0 .8rem; }
.search input { width: 100%; height: 42px; border: 0; background: transparent; min-width: 0; }
input::placeholder, textarea::placeholder { color: var(--rm-muted); opacity: 1; }
kbd { font: .75rem var(--rm-font-mono); padding: .2rem .35rem; border: 1px solid var(--rm-control); border-radius: 4px; background: var(--rm-surface); color: var(--rm-muted); white-space: nowrap; }
.top-actions { display: flex; align-items: center; gap: .5rem; }
.avatar { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; flex: none; background: var(--rm-subtle); color: var(--rm-text); border-radius: 50%; font-size: .8rem; font-weight: 600; }
.workspace { display: grid; grid-template-columns: var(--rm-sidebar-width) minmax(0,1fr); height: calc(100dvh - var(--rm-header-height) - 45px); min-height: 0; }
.sidebar, .mail-list, .reader, .calendar-main, .settings-main, .states-main { overflow: auto; }
.main-mail { min-height: 0; }
.sidebar { display: flex; flex-direction: column; padding: 1.5rem 1rem 1rem; gap: 1.4rem; border-right: 1px solid var(--rm-line); }
.switcher { position: relative; }
.switcher summary { list-style: none; cursor: pointer; display: flex; gap: .6rem; align-items: center; min-height: 44px; }
.switcher summary::-webkit-details-marker { display: none; }
.switcher summary small { display: block; color: var(--rm-muted); font-weight: 400; }
.switcher-menu { position: absolute; top: 100%; left: 0; z-index: 20; width: 240px; padding: .5rem; border: 1px solid var(--rm-control); background: var(--rm-raised); box-shadow: var(--rm-shadow-popover); border-radius: var(--rm-radius-md); }
.switcher-menu { width: 100%; }
.switcher-menu a { display: block; padding: .7rem; text-decoration: none; overflow-wrap: anywhere; }
.nav { display: grid; gap: .25rem; }
.nav a { display: flex; align-items: center; gap: .7rem; padding: .7rem .75rem; border-radius: var(--rm-radius-md); color: var(--rm-muted); text-decoration: none; min-height: 44px; }
.nav a:hover { background: var(--rm-subtle); }
.nav a[aria-current=page] { background: var(--rm-selected); color: var(--rm-accent); font-weight: 600; }
.count { margin-left: auto; font-variant-numeric: tabular-nums; font-size: var(--rm-text-xs); }
.sidebar .eyebrow { padding: 0 .75rem; margin-bottom: .6rem; }
.sources { display: grid; gap: .1rem; }
.source { display: flex; align-items: center; gap: .5rem; min-height: 44px; padding: .5rem .75rem; }
.source input { width: 18px; height: 18px; accent-color: var(--rm-accent); }
.source .shape { font-size: 1rem; }
.sidebar-bottom { margin-top: auto; padding: .5rem .75rem; }
.sidebar-bottom p { margin: .4rem 0; }
.sidebar-bottom a { text-decoration: underline; }
.sync-dot { display: inline-block; width: .45rem; height: .45rem; background: var(--rm-accent); border-radius: 50%; margin-right: .35rem; }
.main-mail { display: grid; grid-template-columns: var(--rm-list-width) minmax(0,1fr); min-width: 0; }
.mail-list { border-right: 1px solid var(--rm-line); background: var(--rm-surface); min-width: 0; }
.list-head { padding: 1.6rem 1.5rem .75rem; }
.list-head h1 { font-size: 1.6rem; }
.split { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.filters { display: flex; flex-wrap: wrap; gap: .4rem; padding: 0 1.5rem .9rem; border-bottom: 1px solid var(--rm-line); }
.filters button { min-height: 36px; padding: .35rem .7rem; border: 0; font-size: var(--rm-text-sm); }
.filters button[aria-pressed=true] { background: var(--rm-selected); color: var(--rm-accent); }
.list-help { padding: .6rem 1.5rem; margin: 0; background: var(--rm-canvas); font-size: var(--rm-text-xs); color: var(--rm-muted); }
.message { padding: 1rem 1.5rem; border-bottom: 1px solid var(--rm-line); min-height: var(--rm-row-height); cursor: pointer; position: relative; }
.message:hover { background: var(--rm-subtle); }
.message[aria-selected=true] { background: var(--rm-selected); }
.message[data-open=true]::before { content: ''; position: absolute; inset: 1rem auto 1rem 0; width: 3px; background: var(--rm-accent); }
.message:focus-visible { outline-offset: -4px; }
.message time { font-size: var(--rm-text-xs); color: var(--rm-muted); }
.message .sender { font-weight: 600; }
.message .subject { display: block; margin: .35rem 0 .15rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.message .snippet { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--rm-muted); font-size: var(--rm-text-sm); margin: 0; }
.message .badge { margin-top: .45rem; }
[data-density="compact"] { --rm-row-height: 4.5rem; }
[data-density="compact"] .message { padding: .6rem 1.5rem; }
[data-density="compact"] .message .snippet { display: none; }
.badge { display: inline-flex; gap: .35rem; align-items: center; padding: .15rem .45rem; border-radius: 4px; font-size: var(--rm-text-xs); font-weight: 500; background: var(--rm-subtle); color: var(--rm-text); }
.work { background: var(--rm-work-bg); color: var(--rm-work-fg); }
.personal { background: var(--rm-personal-bg); color: var(--rm-personal-fg); }
.local { background: var(--rm-local-bg); color: var(--rm-local-fg); }
.warning { background: var(--rm-warning-bg); color: var(--rm-warning-fg); }
.danger { background: var(--rm-danger-bg); color: var(--rm-danger-fg); }
.success { background: var(--rm-success-bg); color: var(--rm-success-fg); }
.reader { background: var(--rm-surface); min-width: 0; }
.reader-toolbar { display: flex; justify-content: space-between; flex-wrap: wrap; align-items: center; gap: .5rem; border-bottom: 1px solid var(--rm-line); padding: .75rem 1.6rem; }
.toolbar-group { display: flex; gap: .3rem; align-items: center; }
.reader-body { padding: 2rem clamp(1.5rem, 3.3vw, 3.5rem); max-width: 950px; margin: auto; }
.reader-body h1 { margin: .7rem 0 1.4rem; }
.metadata { display: flex; align-items: center; gap: .7rem; margin-bottom: 1.5rem; }
.metadata time { margin-left: auto; font-size: var(--rm-text-xs); color: var(--rm-muted); white-space: nowrap; }
.prose { font: 400 var(--rm-text-lg)/var(--rm-leading-reading) var(--rm-font-reading); max-width: 66ch; }
.prose p { margin-bottom: 1rem; }
.attachment { display: flex; align-items: center; gap: .75rem; padding: .8rem 1rem; border: 1px solid var(--rm-control); border-radius: var(--rm-radius-md); margin: 1.5rem 0; background: var(--rm-canvas); }
.attachment .icon { width: 28px; height: 28px; }
.attachment .quiet { margin-left: auto; }
.reply-actions { display: flex; flex-wrap: wrap; gap: .5rem; padding-top: 1.3rem; border-top: 1px solid var(--rm-line); }
.fold { border-top: 1px solid var(--rm-line); border-bottom: 1px solid var(--rm-line); padding: 1rem 0; margin: 1rem 0 1.5rem; }
.fold summary { cursor: pointer; min-height: 44px; align-content: center; }
.fold p { margin: .5rem 0; }
.mobile-back { display: none; }
.reference-bar { padding: .4rem 1.5rem; min-height: 44px; display: flex; align-items: center; flex-wrap: wrap; gap: .8rem; background: var(--rm-subtle); border-top: 1px solid var(--rm-line); font-size: var(--rm-text-xs); }
.reference-bar select { background: var(--rm-surface); padding: .3rem; border: 1px solid var(--rm-control); border-radius: 4px; max-width: 180px; min-height: 32px; }
.reference-bar a { font-weight: 500; }
.reference-bar .theme-control { margin-left: auto; display: flex; align-items: center; gap: .5rem; }
.empty-reader { display: grid; place-content: center; padding: 3rem; text-align: center; background: var(--rm-surface); }
.empty-reader .icon { width: 44px; height: 44px; margin: 0 auto 1.4rem; color: var(--rm-accent); }
.empty-reader h2 { font: 500 1.6rem var(--rm-font-reading); }
.empty-reader p { color: var(--rm-muted); max-width: 30ch; }
dialog { margin: auto; padding: 0; width: min(760px, calc(100vw - 48px)); max-height: calc(100dvh - 48px); background: var(--rm-raised); color: var(--rm-text); border: 1px solid var(--rm-control); border-radius: var(--rm-radius-lg); box-shadow: var(--rm-shadow-modal); }
dialog[open].compose-dialog { display: flex; flex-direction: column; }
.compose-dialog .dialog-body { flex: 1; min-height: 0; overflow: auto; }
.compose-dialog .dialog-head, .compose-dialog .dialog-foot { flex: none; }
dialog::backdrop { background: #101A2070; }
.dialog-head { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; border-bottom: 1px solid var(--rm-line); }
.dialog-head h2 { margin: 0; }
.dialog-body { padding: 0 1.5rem 1.5rem; }
.field-row { display: flex; align-items: center; gap: 1rem; border-bottom: 1px solid var(--rm-line); padding: .5rem 0; }
.field-row > label { width: 4rem; flex: none; color: var(--rm-muted); }
.field-row input, .field-row select { flex: 1; min-width: 0; border: 1px solid var(--rm-control); background: var(--rm-raised); padding: .6rem; border-radius: 4px; }
.recipient { display: flex; gap: .4rem; align-items: center; }
.editor { width: 100%; height: 220px; resize: vertical; border: 1px solid var(--rm-control); background: var(--rm-raised); border-radius: 4px; padding: 1rem; font: 1rem/1.65 var(--rm-font-reading); margin-top: 1rem; }
.format-bar { display: flex; gap: .4rem; align-items: center; }
.dialog-foot { display: flex; justify-content: space-between; align-items: center; gap: .75rem; padding: 1rem 1.5rem; background: var(--rm-canvas); border-top: 1px solid var(--rm-line); flex-wrap: wrap; }
.notice { padding: .75rem 1rem; border-radius: var(--rm-radius-sm); margin: 1rem 0; }
.notice p { margin: .25rem 0; }
.notice button { margin-top: .5rem; }
.toast { position: fixed; bottom: 4rem; right: 1.5rem; max-width: min(420px, calc(100vw - 48px)); background: var(--rm-raised); color: var(--rm-text); padding: 1rem 1.5rem; border: 1px solid var(--rm-control); border-radius: 8px; box-shadow: var(--rm-shadow-popover); z-index: 60; }
[hidden] { display: none !important; }
.calendar-main { background: var(--rm-surface); padding: 1.5rem 1.5rem 0; min-width: 0; }
.calendar-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding-bottom: 1rem; }
.calendar-head h1 { margin: .3rem 0; }
.view-switch { display: flex; gap: .25rem; padding: .25rem; background: var(--rm-canvas); border-radius: 8px; }
.view-switch button { border: 0; background: transparent; min-height: 36px; padding: .4rem .7rem; }
.view-switch button[aria-pressed=true] { background: var(--rm-selected); color: var(--rm-accent); }
.cal-meta { display: flex; justify-content: space-between; gap: 1rem; margin: .5rem 0 1rem; color: var(--rm-muted); font-size: var(--rm-text-sm); }
.calendar-scroll { overflow-x: auto; }
.week-grid { min-width: 760px; display: grid; grid-template-columns: 60px repeat(7,minmax(0,1fr)); border-top: 1px solid var(--rm-line); border-left: 1px solid var(--rm-line); }
.week-grid [role=row] { display: contents; }
.week-grid [role=columnheader] { padding: .8rem .5rem; text-align: center; border-bottom: 1px solid var(--rm-line); border-right: 1px solid var(--rm-line); color: var(--rm-muted); font-size: var(--rm-text-xs); }
.day-number { display: block; font-size: 1.4rem; color: var(--rm-text); font-weight: 500; margin-top: .3rem; }
.today .day-number { width: 36px; height: 36px; line-height: 36px; margin: .1rem auto 0; background: var(--rm-accent); color: var(--rm-on-accent); border-radius: 50%; }
.week-grid [role=rowheader] { font-size: var(--rm-text-xs); text-align: center; padding-top: .5rem; color: var(--rm-muted); border-bottom: 1px solid var(--rm-line); }
.week-grid [role=gridcell] { min-height: 86px; border-right: 1px solid var(--rm-line); border-bottom: 1px solid var(--rm-line); padding: .25rem; min-width: 0; }
.week-grid [role=gridcell]:focus-visible { outline-offset: -4px; }
.event { padding: .4rem .5rem; border-radius: 4px; font-size: var(--rm-text-xs); display: block; min-height: 74px; }
.event strong { display: block; font-weight: 600; font-size: var(--rm-text-sm); }
.event .event-source { display: block; font-weight: 500; margin-bottom: .15rem; }
.all-day [role=gridcell] { min-height: 40px; }
.all-day .event { min-height: 32px; }
.agenda { margin: 1rem 0; border-top: 1px solid var(--rm-line); }
.agenda-row { display: grid; grid-template-columns: 100px 1fr; gap: 1rem; padding: 1rem; border-bottom: 1px solid var(--rm-line); }
.agenda-row h3 { margin-bottom: .4rem; }
.drawer { width: min(480px, 100vw); height: 100dvh; max-height: 100dvh; margin: 0 0 0 auto; border-radius: 0; }
.drawer .dialog-body { padding-top: 1rem; }
.form-stack { display: grid; gap: 1.1rem; }
.form-stack label { display: grid; gap: .4rem; font-weight: 500; min-width: 0; }
.form-stack input, .form-stack select, .form-stack textarea { background: var(--rm-raised); border: 1px solid var(--rm-control); border-radius: 4px; padding: .7rem; width: 100%; min-height: 44px; }
.form-stack .pair { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.form-stack input { min-width: 0; max-width: 100%; }
.drawer form { height: 100%; display: flex; flex-direction: column; }
.drawer .dialog-body { flex: 1; min-height: 0; overflow: auto; }
.drawer .dialog-head, .drawer .dialog-foot { flex: none; }
.calendar-scroll-hint { display: none; }
.settings-main { padding: 2rem clamp(1.5rem, 4vw, 4rem); background: var(--rm-surface); min-width: 0; }
.settings-layout { display: grid; grid-template-columns: 170px minmax(0,780px); gap: 3rem; margin-top: 2rem; }
.settings-layout > .nav { align-content: start; }
.settings-section { padding: 0 0 1.6rem; border-bottom: 1px solid var(--rm-line); margin-bottom: 1.6rem; }
.settings-section h2 { margin-bottom: .3rem; }
.theme-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: .65rem; margin-top: 1rem; }
.theme-card { display: grid; justify-content: stretch; text-align: left; min-width: 0; padding: .65rem; background: var(--rm-canvas); color: var(--rm-text); border-color: var(--rm-control); font-size: var(--rm-text-sm); }
.theme-card:hover { background: var(--rm-surface); }
.theme-preview { background: var(--rm-surface); border: 1px solid var(--rm-line); display: flex; align-items: center; gap: .35rem; padding: .65rem; margin-bottom: .5rem; border-radius: 4px; }
.theme-preview i { display: block; width: 16px; height: 24px; background: var(--rm-subtle); }
.theme-preview b { display: block; flex: 1; height: 12px; background: var(--rm-accent); border-radius: 2px; }
.setting-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 0; }
.setting-row p { margin: .2rem 0; }
.states-main { padding: 2rem; background: var(--rm-surface); }
.state-example { border-top: 1px solid var(--rm-line); padding: 1.5rem 0; }
.skeleton { height: 18px; width: 70%; margin: .8rem 0; border-radius: 3px; background: var(--rm-subtle); }
@media (min-width: 1440px) { :root { --rm-sidebar-width: 15rem; --rm-list-width: 25rem; } }
@media (max-width: 1199px) {
 :root { --rm-sidebar-width: 12rem; --rm-list-width: 20rem; }
 .sidebar { padding: 1rem .65rem; }
 .topbar { gap: 1rem; padding-right: 1rem; }
 .brand { padding-left: 1rem; }
 .message { padding: 1rem; }
 .reader-toolbar { padding: .65rem 1rem; }
 .reader-body { padding: 1.5rem; }
 .toolbar-label { display: none; }
 .settings-layout { gap: 1.5rem; }
}
@media (max-width: 1023px) {
 :root { --rm-sidebar-width: 11rem; }
 .main-mail { grid-template-columns: 1fr; }
 .main-mail .reader { display: none; }
 .main-mail.reading .mail-list { display: none; }
 .main-mail.reading .reader { display: block; }
 .empty-reader { display: none; }
 .mobile-back { display: inline-flex; }
 .top-actions .sync-summary { display: none; }
 .list-head { padding-top: 1.3rem; }
 .theme-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
 .settings-layout { grid-template-columns: 1fr; gap: 1rem; }
 .settings-layout > .nav { display: flex; overflow-x: auto; }
 .calendar-scroll-hint { display: block; color: var(--rm-muted); font-size: var(--rm-text-xs); }
 .reference-bar .theme-control { margin-left: 0; }
}
@media (max-width: 767px) {
 .topbar { grid-template-columns: 1fr auto; padding: .5rem .75rem; height: auto; }
 .brand { padding-left: 0; }
 .search { grid-column: 1/-1; grid-row: 2; max-width: none; }
 .workspace { grid-template-columns: 1fr; height: auto; }
 .sidebar, .mail-list, .reader, .calendar-main, .settings-main, .states-main { overflow: visible; }
 .sidebar { border-right: 0; border-bottom: 1px solid var(--rm-line); padding: .75rem; gap: .5rem; }
 .sidebar .nav { display: flex; }
 .sidebar .nav a { padding: .6rem; }
 .sidebar .folders, .sidebar .sources-wrap, .sidebar-bottom { display: none; }
 .switcher summary { min-height: 44px; }
 .calendar-main { padding: 1rem .75rem; }
 .calendar-head h1 { font-size: 1.65rem; }
 .view-switch { display: none; }
 .agenda-view { display: none; }
 .calendar-scroll { display: none; }
 .calendar-scroll-hint { display: none; }
 .agenda-mobile { display: block !important; }
 .settings-main { padding: 1.5rem 1rem; }
 .setting-row { align-items: start; flex-wrap: wrap; }
 .reader-body { padding: 1.25rem; }
 h1 { font-size: 1.75rem; }
 .metadata { flex-wrap: wrap; }
 .metadata time { margin-left: 0; }
 dialog { width: 100vw; max-height: 100dvh; height: 100dvh; border-radius: 0; }
 .dialog-head, .dialog-body, .dialog-foot { padding-left: 1rem; padding-right: 1rem; }
 .field-row { gap: .4rem; flex-wrap: wrap; }
 .field-row > label { width: 3.2rem; }
 .recipient { flex-wrap: wrap; }
 .reference-bar { padding: .75rem; }
 .reference-bar select { min-height: 44px; }
 .reference-bar a { display: inline-flex; align-items: center; min-height: 44px; }
 .cal-meta { flex-wrap: wrap; }
 .agenda-row { grid-template-columns: 65px 1fr; padding: 1rem 0; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }
@media (forced-colors: active) { button, .button, .message[aria-selected=true], .event { border: 1px solid ButtonText; } .message[aria-selected=true] { outline: 2px solid Highlight; } }

/* ---- Application layer (Rustmail web UI) ---------------------------------- */
/* Structure mirrors design/mockups.css; these additions cover app-only states. */
body { min-height: 100dvh; }
.message { display: block; color: inherit; text-decoration: none; overflow: hidden; }
.message .badge { align-self: flex-start; }
.message[aria-selected=true] .badge { box-shadow: 0 0 0 1px var(--rm-selected); }
.listbox-body { overflow: auto; overscroll-behavior: contain; }
.listbox { min-height: 12rem; }
.selection-bar { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; padding: .6rem 1.5rem; background: var(--rm-selected); border-bottom: 1px solid var(--rm-line); }
.selection-bar strong { margin-right: auto; font-size: var(--rm-text-sm); }
.offline-banner, .session-banner { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; padding: .5rem 1.5rem; background: var(--rm-warning-bg); color: var(--rm-warning-fg); border-bottom: 1px solid var(--rm-line); font-size: var(--rm-text-sm); }
.offline-banner .grow, .session-banner .grow { flex: 1; min-width: 12rem; }
.sync-indicator { display: inline-flex; align-items: center; gap: .35rem; white-space: nowrap; }
.sync-indicator[data-state=error] .sync-dot { background: var(--rm-danger-fg); }
.sync-indicator[data-state=pending] .sync-dot { background: var(--rm-warning-fg); }
.skeleton-row { padding: 1rem 1.5rem; border-bottom: 1px solid var(--rm-line); }
.skeleton-line { height: 14px; border-radius: 3px; background: var(--rm-subtle); margin: .45rem 0; }
.skeleton-line.title { width: 62%; height: 18px; }
.skeleton-line.meta { width: 38%; }
.skeleton-line.body { width: 88%; }
.spinner { width: 1rem; height: 1rem; border: 2px solid var(--rm-control); border-top-color: var(--rm-accent); border-radius: 50%; animation: rm-spin .8s linear infinite; flex: none; }
@keyframes rm-spin { to { transform: rotate(360deg); } }
.inline-status { display: inline-flex; align-items: center; gap: .4rem; font-size: var(--rm-text-sm); color: var(--rm-muted); }
.field-error { color: var(--rm-danger-fg); font-size: var(--rm-text-sm); margin: .3rem 0 0; }
input[aria-invalid=true], textarea[aria-invalid=true], select[aria-invalid=true] { border-color: var(--rm-danger-fg); box-shadow: 0 0 0 1px var(--rm-danger-fg); }
.recipient-chips { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem; }
.chip { display: inline-flex; align-items: center; gap: .3rem; padding: .25rem .5rem; background: var(--rm-subtle); border: 1px solid var(--rm-control); border-radius: 999px; font-size: var(--rm-text-sm); max-width: 100%; }
.chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip button { min-height: 24px; padding: 0 .3rem; border: 0; background: transparent; }
.attachment-list { display: grid; gap: .5rem; margin: .75rem 0; }
.attachment-list .attachment { margin: 0; }
.attachment .attachment-actions { margin-left: auto; display: flex; gap: .3rem; }
.upload-state { font-size: var(--rm-text-xs); color: var(--rm-muted); }
.upload-state.failed { color: var(--rm-danger-fg); }
.dropzone { border: 1px dashed var(--rm-control); border-radius: var(--rm-radius-md); padding: 1rem; text-align: center; background: var(--rm-canvas); }
.dropzone input[type=file] { max-width: 100%; }
.compose-row { display: grid; grid-template-columns: 4rem minmax(0,1fr); gap: .75rem; align-items: start; border-bottom: 1px solid var(--rm-line); padding: .4rem 0; }
.compose-row > label { padding-top: .65rem; color: var(--rm-muted); }
.compose-row input, .compose-row select { width: 100%; border: 1px solid var(--rm-control); background: var(--rm-raised); padding: .6rem; border-radius: 4px; min-height: 44px; }
.compose-row .toolbar-group { justify-content: flex-end; }
.compose-body { width: 100%; min-height: 45vh; border: 1px solid var(--rm-control); border-radius: 4px; padding: .8rem; background: var(--rm-raised); resize: vertical; }
.dialog .dialog-body { overflow: auto; }
.dialog-foot .status { flex: 1; min-width: 10rem; }
.confirm-inline { border: 1px solid var(--rm-warning-fg); background: var(--rm-warning-bg); color: var(--rm-warning-fg); padding: .75rem 1rem; border-radius: var(--rm-radius-sm); display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.confirm-inline .grow { flex: 1; min-width: 10rem; }
.badge.neutral { background: var(--rm-subtle); color: var(--rm-text); }
.badge.ok { background: var(--rm-success-bg); color: var(--rm-success-fg); }
.badge.readonly { background: var(--rm-subtle); color: var(--rm-muted); }
.source-swatch { display: inline-block; width: .7rem; height: .7rem; border-radius: 3px; margin-right: .35rem; border: 1px solid var(--rm-control); }
.calendar-head .range-note { color: var(--rm-muted); font-size: var(--rm-text-xs); }
.month-grid { display: flex; flex-direction: column; border-top: 1px solid var(--rm-line); border-left: 1px solid var(--rm-line); min-width: 720px; }
.month-grid > [role=row] { display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); }
.month-cell { min-height: 112px; border-right: 1px solid var(--rm-line); border-bottom: 1px solid var(--rm-line); padding: .4rem; display: flex; flex-direction: column; gap: .25rem; min-width: 0; background: var(--rm-surface); }
.month-cell:focus-visible { outline-offset: -4px; }
.month-cell.other-month { background: var(--rm-canvas); color: var(--rm-muted); }
.month-cell[aria-current=date] .month-date { background: var(--rm-accent); color: var(--rm-on-accent); border-radius: 50%; width: 28px; height: 28px; display: inline-grid; place-content: center; }
.month-date { font-size: var(--rm-text-sm); font-weight: 600; align-self: flex-start; }
.month-event { display: block; font-size: var(--rm-text-xs); padding: .12rem .3rem; border-radius: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; min-height: 22px; border: 0; }
.month-event.work { background: var(--rm-work-bg); color: var(--rm-work-fg); }
.month-event.personal { background: var(--rm-personal-bg); color: var(--rm-personal-fg); }
.month-event.local { background: var(--rm-local-bg); color: var(--rm-local-fg); }
.month-more { font-size: var(--rm-text-xs); text-align: left; padding: .1rem .3rem; min-height: 24px; }
.day-grid { display: grid; grid-template-columns: 64px minmax(0,1fr); border-top: 1px solid var(--rm-line); border-left: 1px solid var(--rm-line); }
.day-row { display: contents; }
.day-rowheader { padding: .35rem .4rem; font-size: var(--rm-text-xs); color: var(--rm-muted); border-right: 1px solid var(--rm-line); border-bottom: 1px solid var(--rm-line); text-align: center; }
.day-cell { min-height: 64px; border-right: 1px solid var(--rm-line); border-bottom: 1px solid var(--rm-line); padding: .2rem; display: flex; flex-direction: column; gap: .2rem; }
.day-cell:focus-visible { outline-offset: -4px; }
.day-events { display: grid; gap: .2rem; }
.event { border: 1px solid transparent; text-align: left; }
.event:hover { filter: brightness(1.03); }
.event.tentative { border-style: dashed; }
.event.cancelled, .event[data-status=cancelled] { text-decoration: line-through; }
.event.overlap { outline: 2px solid var(--rm-warning-fg); outline-offset: 1px; }
.agenda-group { border-bottom: 1px solid var(--rm-line); }
.agenda-group > h2 { font-size: var(--rm-text-sm); padding: .75rem 1rem 0; color: var(--rm-muted); margin: 0; }
.agenda-event { display: flex; flex-wrap: wrap; gap: .6rem; align-items: baseline; width: 100%; border: 0; border-bottom: 1px solid var(--rm-line); border-radius: 0; background: transparent; padding: .75rem 1rem; text-align: left; min-height: 44px; }
.agenda-event:hover { background: var(--rm-subtle); }
.agenda-event time { color: var(--rm-muted); font-size: var(--rm-text-sm); min-width: 4.5rem; }
.agenda-event strong { font-weight: 600; }
.agenda-mobile { display: none; }
.settings-main .settings-layout { align-items: start; }
.settings-help { max-width: 62ch; }
.inline-form { display: grid; gap: .8rem; padding: 1rem; border: 1px solid var(--rm-line); border-radius: var(--rm-radius-md); background: var(--rm-canvas); margin-top: .8rem; }
.inline-form .pair { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .8rem; }
.inline-form label { display: grid; gap: .3rem; font-weight: 500; }
.inline-form input, .inline-form select, .inline-form textarea { border: 1px solid var(--rm-control); border-radius: 4px; padding: .55rem; background: var(--rm-raised); min-height: 40px; }
.inline-form input[type=checkbox] { min-height: 18px; width: 18px; }
.setting-row .status-stack { display: grid; gap: .2rem; min-width: 0; }
.setting-row .actions { display: flex; flex-wrap: wrap; gap: .35rem; justify-content: flex-end; }
.usage-bar { height: 6px; border-radius: 3px; background: var(--rm-subtle); overflow: hidden; margin-top: .4rem; }
.usage-bar > span { display: block; height: 100%; background: var(--rm-accent); }
.toast { display: grid; gap: .5rem; }
.toast .toast-row { display: flex; align-items: start; gap: .75rem; }
.toast .toast-row strong { flex: 1; }
.toast .dismiss { min-height: 32px; padding: .2rem .5rem; }
.toast.danger-toast { border-left: 4px solid var(--rm-danger-fg); }
.toast.success-toast { border-left: 4px solid var(--rm-success-fg); }
.toast.info-toast { border-left: 4px solid var(--rm-accent); }
.search-scope { border: 0; background: transparent; min-height: 36px; color: var(--rm-muted); }
.search-results { padding: 1.5rem clamp(1rem, 3vw, 3rem); max-width: 900px; }
.result-group { border-top: 1px solid var(--rm-line); margin-top: 1.5rem; }
.result-item { display: block; padding: .8rem 0; border-bottom: 1px solid var(--rm-line); color: inherit; text-decoration: none; }
.result-item:hover { background: var(--rm-subtle); }
.result-item strong { display: block; }
.kbd-grid { display: grid; grid-template-columns: minmax(8rem, max-content) 1fr; gap: .4rem 1.2rem; margin: 1rem 0; }
.kbd-grid dt { font-family: var(--rm-font-ui); font-weight: 600; }
kbd { font: 500 var(--rm-text-xs)/1 var(--rm-font-ui); border: 1px solid var(--rm-control); border-bottom-width: 2px; border-radius: 4px; padding: .2rem .35rem; background: var(--rm-canvas); }
.print-only { display: none; }
@media (max-width: 1023px) {
  .compose-row { grid-template-columns: 3.2rem minmax(0,1fr); }
  .settings-layout { grid-template-columns: 1fr; }
  .settings-layout > .nav { overflow-x: auto; flex-wrap: nowrap; }
  .month-grid { min-width: 700px; }
}
@media (max-width: 767px) {
  .selection-bar { padding: .6rem 1rem; }
  .offline-banner, .session-banner { padding: .5rem .75rem; }
  .compose-row { grid-template-columns: 1fr; gap: .2rem; }
  .compose-row > label { padding-top: .2rem; }
  .month-grid, .day-grid { min-width: 640px; }
  .settings-main { padding: 1.25rem 1rem; }
  .inline-form .pair { grid-template-columns: 1fr; }
  .agenda-mobile { display: block; }
}
@media print {
  .topbar, .sidebar, .reference-bar, .reader-toolbar, .reply-actions, .toast { display: none !important; }
  .workspace, .main-mail { display: block; height: auto; }
  .reader-body { max-width: none; }
  .print-only { display: block; }
}

/* Calendar density and app-only layout corrections */
.week-grid-tall [role=gridcell] { min-height: 56px; }
.day-grid-view { grid-template-columns: 64px minmax(0,1fr); }
.week-grid-tall .event { min-height: 0; padding: .35rem .45rem; }
.month-cell .month-event { min-height: 24px; }
.inline-check { display: flex; align-items: center; gap: .5rem; min-height: 44px; font-weight: 500; }
.inline-check input { width: 18px; height: 18px; min-height: 18px; accent-color: var(--rm-accent); }
.toast-region { position: fixed; bottom: 4rem; right: 1.5rem; display: grid; gap: .5rem; z-index: 60; max-width: min(420px, calc(100vw - 48px)); }
.toast-region .toast { position: static; max-width: none; }
button:disabled { opacity: .55; cursor: not-allowed; }
.thread-messages details.fold { border-bottom: 1px solid var(--rm-line); padding: .75rem 0; }
.thread-messages details.fold > summary { cursor: pointer; display: flex; gap: .6rem; align-items: center; min-height: 44px; list-style: none; }
.thread-messages details.fold > summary::-webkit-details-marker { display: none; }
.thread-messages details.fold > summary .small { display: block; }
.thread-messages details.fold[open] > summary { margin-bottom: .9rem; }
.thread-messages .prose { margin-bottom: 1rem; }
.compose-dialog { width: min(760px, calc(100vw - 48px)); }
.compose-form { display: grid; gap: .75rem; }
.settings-section .theme-card .badge { margin-top: .4rem; }
.month-grid .month-cell { cursor: pointer; }
.month-grid .month-event { cursor: pointer; }
@media (max-width: 767px) {
  .toast-region { left: .75rem; right: .75rem; bottom: .75rem; max-width: none; }
  .thread-messages details.fold > summary { flex-wrap: wrap; }
}

/* Text decoration is opt-in: only links inside prose and inline text carry it. */
* { text-decoration: none; }
a { text-decoration: none; }
.prose a, .notice a { text-decoration: underline; }

.icon-glyph { display: inline-grid; place-content: center; width: 1.25rem; height: 1.25rem; flex: none; font-family: var(--rm-font-ui); font-size: 1.05rem; line-height: 1; color: currentColor; }
.brand .icon-glyph { font-size: 1.35rem; }
.empty-reader .icon-glyph { font-size: 2.2rem; color: var(--rm-accent); margin: 0 auto 1.4rem; }
.attachment .icon-glyph { color: var(--rm-muted); }

/* Line icons drawn in CSS: no inline SVG, no icon-font glyph coverage gaps. */
.icon-glyph { display: inline-grid; place-content: center; width: 1.25rem; height: 1.25rem; flex: none; position: relative; font-family: var(--rm-font-ui); font-size: .95rem; line-height: 1; color: currentColor; }
.icon-glyph::before, .icon-glyph::after { content: ""; position: absolute; box-sizing: border-box; }
.icon-mail::before { width: 16px; height: 12px; border: 1.6px solid currentColor; border-radius: 2px; }
.icon-mail::after { width: 12px; height: 8px; border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor; transform: rotate(45deg) skew(-12deg, -12deg); top: 5px; }
.icon-calendar::before { width: 16px; height: 14px; border: 1.6px solid currentColor; border-radius: 2px; }
.icon-calendar::after { width: 16px; height: 1.6px; background: currentColor; top: 5px; }
.icon-search::before { width: 11px; height: 11px; border: 1.7px solid currentColor; border-radius: 50%; top: 3px; left: 3px; }
.icon-search::after { width: 6px; height: 1.7px; background: currentColor; transform: rotate(45deg); right: 2px; bottom: 4px; }
.icon-settings::before { width: 16px; height: 1.6px; background: currentColor; box-shadow: 0 5px 0 currentColor, 0 10px 0 currentColor; top: 4px; }
.icon-settings::after { width: 3px; height: 3px; border: 1.5px solid currentColor; border-radius: 50%; top: 2px; left: 4px; box-shadow: 6px 5px 0 -1px var(--rm-surface), 6px 5px 0 0 currentColor, 2px 10px 0 -1px var(--rm-surface), 2px 10px 0 0 currentColor; }
.icon-compose::before, .icon-drafts::before { width: 4px; height: 14px; background: currentColor; transform: rotate(42deg); border-radius: 1px; }
.icon-compose::after, .icon-drafts::after { width: 0; height: 0; border-left: 3px solid currentColor; border-top: 3px solid transparent; border-bottom: 3px solid transparent; transform: rotate(42deg); bottom: 1px; left: 3px; }
.icon-star::before { width: 14px; height: 14px; background: currentColor; clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%); }
.icon-sent::before { content: "→"; position: static; font-size: 1rem; }
.icon-back::before { content: "←"; position: static; font-size: 1rem; }
.icon-reply::before { content: "↩"; position: static; font-size: 1rem; }
.icon-forward::before { content: "↪"; position: static; font-size: 1rem; }
.icon-archive::before { width: 16px; height: 12px; border: 1.5px solid currentColor; border-radius: 1px; top: 5px; }
.icon-archive::after { width: 16px; height: 3px; background: currentColor; top: 2px; border-radius: 1px; }
.icon-trash::before { width: 12px; height: 12px; border: 1.5px solid currentColor; border-top: 0; top: 6px; border-radius: 0 0 2px 2px; }
.icon-trash::after { width: 16px; height: 1.6px; background: currentColor; top: 4px; }
.icon-chevron::before { width: 8px; height: 8px; border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor; transform: rotate(45deg); top: 3px; }
.icon-attachment::before { width: 7px; height: 13px; border: 1.6px solid currentColor; border-radius: 4px; transform: rotate(38deg); top: 2px; left: 6px; }
.icon-download::before { content: "↓"; position: static; font-size: 1rem; }
.icon-check::before { content: "✓"; position: static; font-size: 1rem; }
.icon-warning::before { content: "!"; position: static; font-weight: 700; font-size: 1rem; }
.icon-close::before { content: "×"; position: static; font-size: 1.3rem; }
.icon-plus::before { content: "+"; position: static; font-size: 1.2rem; }
.icon-clock::before { width: 13px; height: 13px; border: 1.5px solid currentColor; border-radius: 50%; }
.icon-clock::after { width: 1.5px; height: 4px; background: currentColor; top: 5px; left: 9.5px; box-shadow: 2.5px 4px 0 -0.2px currentColor; }
.icon-refresh::before { content: "↻"; position: static; font-size: 1rem; }
.icon-external::before { content: "↗"; position: static; font-size: 1rem; }
.icon-user::before { width: 7px; height: 7px; border: 1.6px solid currentColor; border-radius: 50%; top: 2px; }
.icon-user::after { width: 13px; height: 7px; border: 1.6px solid currentColor; border-bottom: 0; border-radius: 7px 7px 0 0; bottom: 2px; }
.icon-flag::before { width: 1.6px; height: 14px; background: currentColor; left: 5px; top: 3px; }
.icon-flag::after { width: 8px; height: 8px; background: currentColor; clip-path: polygon(0 0, 100% 50%, 0 100%); left: 6px; top: 3px; }
.icon-more::before { content: "…"; position: static; font-size: 1.1rem; letter-spacing: .05em; }
@media (max-width: 767px) { .icon-glyph { width: 1.3rem; height: 1.3rem; } }

/* Phone dialogs honour the design contract: full screen, no UA max-width cap. */
@media (max-width: 767px) {
  dialog.compose-dialog, dialog.drawer { width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; border-radius: 0; }
}