/* Mail Hub · Decision Ledger world. Dark by default, a designed light theme (Clean), or follow the system. */
@font-face {
  font-family: "Inter";
  src: url("fonts/inter-latin-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("fonts/geist-mono-latin-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Condensed";
  src: url("fonts/barlow-condensed-latin-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

/* Tokens. Every colour in this file lives here, once per theme (a test enforces it).
   Dark is the default; data-theme="light" is the Clean palette; data-theme="system" follows the OS.
   Text tokens meet WCAG AA (4.5:1) on ground and panel in both themes. */
:root {
  color-scheme: dark;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --mono: "Geist Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --sans: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  --ground: #0A0A0A;
  --panel: #0F0F10;
  --raise: #161618;
  --line: #232327;
  --line-2: #34343a;
  --line-3: #4a4a52;
  --ink: #EDEDEF;
  --ink-strong: #FFFFFF;
  --ink-2: #B9B9C0;
  --muted: #80808A;
  --dim: #7A7A82;
  --red: #E63946;
  --red-ink: #FF5A66;
  --red-soft: rgba(230, 57, 70, .14);
  --red-line: rgba(230, 57, 70, .45);
  --btn-red: #D62839;
  --btn-red-hover: #BE1E2D;
  --on-accent: #FFFFFF;
  --green: #4CC38A;
  --green-soft: rgba(76, 195, 138, .1);
  --green-line: rgba(76, 195, 138, .4);
  --green-halo: rgba(76, 195, 138, .15);
  --amber: #E8B04B;
  --amber-soft: rgba(232, 176, 75, .07);
  --amber-line: rgba(232, 176, 75, .35);
  --amber-halo: rgba(232, 176, 75, .15);
  --pause-soft: rgba(128, 128, 138, .1);
  --scrim: rgba(0, 0, 0, .55);
  --paper: #FFFFFF;
  --row-pad: 6px;
  --ledger-pad: 12px;
}
:root[data-theme="light"] {
  color-scheme: light;
  --ground: #FFFFFF;
  --panel: #F6F7F9;
  --raise: #EDEFF2;
  --line: #E4E6EA;
  --line-2: #D1D4DA;
  --line-3: #AEB2BA;
  --ink: #0F1115;
  --ink-strong: #000000;
  --ink-2: #394049;
  --muted: #626A75;
  --dim: #6A7180;
  --red: #D62839;
  --red-ink: #B01E2D;
  --red-soft: rgba(214, 40, 57, .08);
  --red-line: rgba(214, 40, 57, .4);
  --btn-red: #C8202F;
  --btn-red-hover: #A81A28;
  --green: #16784C;
  --green-soft: rgba(22, 120, 76, .08);
  --green-line: rgba(22, 120, 76, .35);
  --green-halo: rgba(22, 120, 76, .15);
  --amber: #955F00;
  --amber-soft: rgba(149, 95, 0, .07);
  --amber-line: rgba(149, 95, 0, .35);
  --amber-halo: rgba(149, 95, 0, .15);
  --pause-soft: rgba(98, 106, 117, .08);
  --scrim: rgba(15, 17, 21, .35);
  --paper: #FFFFFF;
}
@media (prefers-color-scheme: light) {
  :root[data-theme="system"] {
    color-scheme: light;
    --ground: #FFFFFF;
    --panel: #F6F7F9;
    --raise: #EDEFF2;
    --line: #E4E6EA;
    --line-2: #D1D4DA;
    --line-3: #AEB2BA;
    --ink: #0F1115;
    --ink-strong: #000000;
    --ink-2: #394049;
    --muted: #626A75;
    --dim: #6A7180;
    --red: #D62839;
    --red-ink: #B01E2D;
    --red-soft: rgba(214, 40, 57, .08);
    --red-line: rgba(214, 40, 57, .4);
    --btn-red: #C8202F;
    --btn-red-hover: #A81A28;
    --green: #16784C;
    --green-soft: rgba(22, 120, 76, .08);
    --green-line: rgba(22, 120, 76, .35);
    --green-halo: rgba(22, 120, 76, .15);
    --amber: #955F00;
    --amber-soft: rgba(149, 95, 0, .07);
    --amber-line: rgba(149, 95, 0, .35);
    --amber-halo: rgba(149, 95, 0, .15);
    --pause-soft: rgba(98, 106, 117, .08);
    --scrim: rgba(15, 17, 21, .35);
    --paper: #FFFFFF;
  }
}
:root[data-density="comfortable"] { --row-pad: 11px; --ledger-pad: 18px; }

/* Account colours: pages set --acc-d and --acc-l inline; the theme picks one. */
[style*="--acc-d"] { --acc: var(--acc-d); }
:root[data-theme="light"] [style*="--acc-d"] { --acc: var(--acc-l); }
@media (prefers-color-scheme: light) {
  :root[data-theme="system"] [style*="--acc-d"] { --acc: var(--acc-l); }
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--ground);
  color: var(--ink);
  font: 14px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--red); color: var(--on-accent); }
* { scrollbar-width: thin; scrollbar-color: var(--line-3) transparent; }
a { color: var(--ink); text-decoration-color: var(--red); text-underline-offset: 3px; }
a:hover { color: var(--ink-strong); }
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.01em; text-wrap: balance; }
p { margin: 0; }
code, kbd { font-family: var(--mono); }

.label {
  font: 500 11px/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.muted { color: var(--muted); }

/* shell */
.shell { min-height: 100vh; display: grid; grid-template-rows: 56px 1fr; }
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding-inline: 26px;
  border-bottom: 1px solid var(--line);
}
.brand {
  font: 600 17px var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.brand span { color: var(--muted); font-weight: 500; }
.topbar .spacer { flex: 1; }
.account { display: flex; align-items: center; gap: 8px; }
.account form { margin: 0; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--raise); border: 1px solid var(--line-2);
  display: grid; place-items: center;
  font: 600 12px var(--mono); color: var(--ink);
}
.content { padding: 24px 26px 40px; }

/* empty state */
.empty {
  max-width: 560px;
  margin: 12vh auto 0;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 28px 28px 26px;
  display: grid; gap: 12px;
}
.empty h1 { font-size: 22px; }
.empty p { color: var(--ink-2); }

/* auth pages */
.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}
.auth-card {
  width: 100%; max-width: 420px;
  border: 1px solid var(--line);
  background: var(--panel);
  display: grid;
}
.auth-card.wide { max-width: 560px; }
.auth-card > header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.auth-card > .body { padding: 22px 24px 24px; display: grid; gap: 16px; }
.auth-card h1 { font-size: 22px; }
.auth-card .lead { color: var(--ink-2); }
.auth-card .foot { padding: 14px 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

/* forms */
form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field > label { font: 500 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.input {
  height: 40px; width: 100%;
  background: var(--ground);
  border: 1px solid var(--line-2);
  color: var(--ink);
  font: 14px var(--sans);
  padding: 0 12px;
  border-radius: 0;
}
.input.code { font: 500 18px var(--mono); letter-spacing: .3em; }
.input:hover { border-color: var(--line-3); }
.input:focus { outline: none; border-color: var(--ink-2); }
.input.invalid { border-color: var(--red); }
.check { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font-size: 13px; }
.check input { accent-color: var(--red); width: 16px; height: 16px; }
.validation-message { color: var(--red-ink); font-size: 12.5px; }
.validation-errors { margin: 0; padding-left: 18px; color: var(--red-ink); font-size: 13px; }

.btn {
  height: 40px; padding: 0 16px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 13px var(--sans);
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-3);
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, border-color .15s;
}
.btn:hover { background: var(--raise); border-color: var(--ink-2); color: var(--ink); }
.btn.primary { background: var(--btn-red); border-color: var(--btn-red); color: var(--on-accent); }
.btn.primary:hover { background: var(--btn-red-hover); border-color: var(--btn-red-hover); color: var(--on-accent); }
.btn.quiet { border-color: transparent; color: var(--ink-2); height: 32px; padding: 0 10px; }
.btn.quiet:hover { border-color: var(--line-2); }
.btn.danger { border-color: var(--red); color: var(--red-ink); }
.btn.block { width: 100%; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* messages */
.alert { border: 1px solid var(--line-2); padding: 10px 12px; font-size: 13.5px; color: var(--ink-2); display: grid; gap: 4px; }
.alert strong { color: var(--ink); }
.alert.danger { border-color: var(--red); color: var(--ink); background: var(--red-soft); }
.alert.success { border-color: var(--green); }
.alert.warning { border-color: var(--amber); }

/* 2FA setup */
.steps { margin: 0; padding-left: 20px; display: grid; gap: 14px; color: var(--ink-2); }
.steps li::marker { color: var(--red); font-family: var(--mono); }
.qr { background: #FFFFFF; /* fixed: a QR code needs a white quiet zone in every theme */ padding: 12px; width: 204px; height: 204px; }
.qr img { width: 180px; height: 180px; display: block; image-rendering: pixelated; }
.secret { font: 500 14px var(--mono); letter-spacing: .08em; color: var(--ink); background: var(--ground); border: 1px solid var(--line-2); padding: 8px 10px; word-break: break-all; }
.codes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.codes code { font-size: 14px; border: 1px solid var(--line-2); background: var(--ground); padding: 8px 10px; text-align: center; }

/* manage */
.manage { max-width: 880px; margin: 0 auto; display: grid; grid-template-columns: 200px 1fr; gap: 24px; }
.manage-nav { display: grid; gap: 2px; align-content: start; }
.manage-nav a {
  display: block; padding: 8px 10px;
  font: 500 12px var(--mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-2); text-decoration: none; border: 1px solid transparent;
}
.manage-nav a:hover { border-color: var(--line-2); color: var(--ink); }
.manage-nav a.active { border-color: var(--red); color: var(--ink); background: var(--red-soft); }
.manage-body { border: 1px solid var(--line); background: var(--panel); padding: 22px 24px; display: grid; gap: 16px; align-content: start; }
.manage-body h1 { font-size: 20px; }

/* settings · accounts (F1). Each account carries --acc, its colour; statuses keep a shape besides their colour. */
.display { font: 700 44px/0.9 var(--display); letter-spacing: .02em; text-transform: uppercase; }
.mono { font-family: var(--mono); }
svg.icon { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.btn.small { height: 28px; padding: 0 10px; font-size: 12px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.icon-btn { width: 32px; height: 32px; display: grid; place-items: center; color: var(--muted); background: none; border: 1px solid transparent; cursor: pointer; }
.icon-btn:hover { color: var(--ink); border-color: var(--line-2); }

.settings { max-width: 1240px; display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 28px; }
.subnav { display: flex; flex-direction: column; gap: 2px; }
.subnav .label { padding: 0 10px 10px; color: var(--dim); }
.subnav a { padding: 8px 10px; font: 500 13px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); text-decoration: none; border-left: 2px solid transparent; }
.subnav a[aria-current="page"] { color: var(--ink); border-left-color: var(--red); background: var(--panel); }

.accounts-head { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.accounts-head .btn { margin-left: auto; }
.tally { display: flex; gap: 8px; flex-wrap: wrap; padding-bottom: 4px; }
.tally span { font: 500 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 3px 8px; border: 1px solid; }
.tally-ok { color: var(--green); border-color: var(--green-line); background: var(--green-soft); }
.tally-err { color: var(--red-ink); border-color: var(--red-line); background: var(--red-soft); }
.tally-pause { color: var(--muted); border-color: var(--line-3); }

.tldr { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 6px 16px; align-items: baseline; margin-top: 14px; padding: 12px 14px; background: var(--panel); border-block: 1px solid var(--line); }
.tldr-label { font: 500 10px var(--mono); letter-spacing: .16em; color: var(--dim); }
.tldr ul { grid-column: 2; margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.tldr li { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 10px; color: var(--ink-2); }
.tldr.all-good p::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--green); margin-right: 8px; vertical-align: 1px; }

.tag { font: 600 12px var(--mono); letter-spacing: .1em; border: 1px solid var(--acc, var(--line-3)); color: var(--acc, var(--ink)); background: color-mix(in srgb, var(--acc, transparent) 15%, transparent); padding: 3px 6px; text-align: center; min-width: 52px; }
.tldr .tag { min-width: 0; padding: 1px 6px; font-size: 11px; }

.ledger-cols, .ledger-row { display: grid; grid-template-columns: 64px minmax(0, 1.6fr) 130px minmax(0, 1.3fr) 110px 110px; gap: 16px; align-items: center; padding: 0 12px; }
.ledger-cols { height: 34px; margin-top: 4px; font: 500 10px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--dim); border-bottom: 1px solid var(--line); }
.ledger { list-style: none; margin: 0; padding: 0; }
.ledger-row { min-height: 68px; padding-block: var(--ledger-pad); border-bottom: 1px solid var(--line); }
.ledger-row:hover, .ledger-row.editing { background: color-mix(in srgb, var(--acc) 6%, var(--ground)); }
.addr { display: flex; align-items: center; gap: 8px; font: 500 14px var(--mono); overflow-wrap: anywhere; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--acc); flex: none; }
.name { color: var(--muted); font-size: 12px; display: flex; flex-wrap: wrap; gap: 6px; margin-top: 3px; align-items: center; }
.alias { font: 11px var(--mono); border: 1px dashed color-mix(in srgb, var(--acc) 55%, transparent); color: color-mix(in srgb, var(--acc) 75%, var(--ink)); padding: 0 6px; }
.prov { font: 12px var(--mono); color: var(--ink-2); }
.when { font: 12px var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.acts { display: flex; gap: 4px; justify-content: flex-end; }

.status { display: flex; gap: 9px; align-items: flex-start; justify-self: start; padding: 5px 9px; border: 1px solid; font: 500 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.status .reason { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; line-clamp: 2; overflow: hidden; margin-top: 2px; font: 12px var(--sans); letter-spacing: 0; text-transform: none; color: var(--ink-2); }
.status .mark { width: 10px; height: 10px; flex: none; margin-top: 3px; }
.s-ok { color: var(--green); background: var(--green-soft); border-color: var(--green-line); }
.s-ok .mark { background: var(--green); border-radius: 50%; }
.s-err { color: var(--red-ink); background: var(--red-soft); border-color: var(--red-line); }
.s-err .mark { width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 10px solid var(--red); }
.s-pause { color: var(--muted); background: var(--pause-soft); border-color: var(--line-3); }
.s-pause .mark { width: 9px; background: linear-gradient(90deg, var(--muted) 0 3px, transparent 3px 6px, var(--muted) 6px 9px); }

.confirm { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--red); background: var(--red-soft); }
.confirm p { flex: 1; min-width: 220px; }

/* inbox (F2): compact rows, preview inline after the subject */
.inbox { max-width: 1240px; margin: 0 auto; }
.live { display: inline-flex; align-items: center; gap: 8px; padding-bottom: 4px; font: 11px var(--mono); letter-spacing: .06em; color: var(--muted); }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px var(--green-halo); }
.live.degraded .live-dot { background: var(--amber); box-shadow: 0 0 0 3px var(--amber-halo); }
.inbox-tools { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding-block: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 10px; border: 1px solid var(--line-2); background: none; cursor: pointer; font: 500 12px var(--mono); letter-spacing: .06em; color: var(--ink-2); }
.chip-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--acc); }
.chip-count { font-size: 11px; color: var(--muted); }
.chip[aria-pressed="true"] { border-color: var(--acc, var(--ink-2)); background: color-mix(in srgb, var(--acc, var(--muted)) 12%, transparent); color: var(--ink); }
.chip[aria-pressed="false"] { border-style: dashed; color: var(--dim); }
.chip[aria-pressed="false"] .chip-dot { background: transparent; border: 1.5px solid var(--acc); }
.chip:disabled { cursor: not-allowed; opacity: .6; }
.search { margin-left: auto; display: flex; align-items: center; gap: 8px; height: 32px; padding: 0 10px; border: 1px solid var(--line-2); background: var(--panel); color: var(--muted); flex: 0 1 320px; min-width: 0; }
.search input { flex: 1; min-width: 0; background: none; border: 0; outline: none; font: 13px var(--mono); color: var(--ink); }
.search input::placeholder { color: var(--dim); }
.day { position: sticky; top: 0; z-index: 1; display: flex; gap: 8px; padding: 12px 12px 5px; background: var(--ground); border-bottom: 1px solid var(--line); font: 500 10px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--dim); }
.day span { color: var(--muted); }
.mail-list { list-style: none; margin: 0; padding: 0; }
.mail-row { display: grid; grid-template-columns: 14px 44px 60px minmax(120px, 210px) minmax(0, 1fr) 44px; gap: 14px; align-items: center; padding: var(--row-pad) 12px; border-bottom: 1px solid var(--line); }
.mail-row:hover { background: color-mix(in srgb, var(--acc) 6%, var(--ground)); }
.unread-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--acc); justify-self: center; }
.mail-row.read .unread-dot { visibility: hidden; }
.mail-row time { font: 12px var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.mail-row .tag { min-width: 0; padding: 1px 6px; font-size: 11px; }
.mail-row .from { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mail-row .domain { font: 400 11px var(--mono); color: var(--dim); }
.mail-row .subject { display: flex; gap: 10px; align-items: baseline; min-width: 0; overflow: hidden; white-space: nowrap; }
.mail-row .subject b { font-weight: 600; overflow: hidden; text-overflow: ellipsis; flex: 0 1 auto; }
.mail-row .subject span { flex: 1 1 0; min-width: 0; overflow: hidden; text-overflow: ellipsis; color: var(--muted); }
.mail-row.read .from, .mail-row.read .subject b { font-weight: 400; color: var(--ink-2); }
.mail-row.read time { color: var(--dim); }
.marks { display: flex; gap: 6px; justify-content: flex-end; color: var(--muted); }
.marks .flag { color: var(--amber); }
.inbox-more { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 16px 12px; font-size: 13px; }
.inbox-empty { padding: 40px 12px; color: var(--ink-2); }

@media (max-width: 820px) {
  .search { flex: 1 1 100%; margin-left: 0; order: -1; }
  .mail-row { grid-template-columns: 10px minmax(0, 1fr) auto; grid-template-areas: "dot from time" "dot subject subject" "dot tag marks"; gap: 3px 10px; padding: 10px 4px; }
  .mail-row .unread-dot { grid-area: dot; align-self: start; margin-top: 7px; }
  .mail-row .from { grid-area: from; }
  .mail-row time { grid-area: time; text-align: right; }
  .mail-row .subject { grid-area: subject; flex-direction: column; gap: 1px; }
  .mail-row .subject b, .mail-row .subject span { max-width: 100%; }
  .mail-row .tag { grid-area: tag; justify-self: start; }
  .mail-row .marks { grid-area: marks; }
}

/* reading pane (F4): the list keeps its full width until a mail opens, then the pane slides in beside it */
.inbox-layout {
  --list-w: 440px;
  display: grid;
  grid-template-columns: 100% 0px 0px;
  transition: grid-template-columns .32s cubic-bezier(.2, .8, .2, 1);
}
.inbox-layout.open { grid-template-columns: var(--list-w) 6px calc(100% - var(--list-w) - 6px); }
.inbox-layout.resizing { transition: none; user-select: none; }
.inbox-list { min-width: 0; }
.pane-divider { visibility: hidden; cursor: col-resize; position: relative; touch-action: none; }
.pane-divider::after { content: ""; position: absolute; inset: 0 2px; background: var(--line); }
.pane-divider:hover::after, .pane-divider.dragging::after { background: var(--red); }
.inbox-layout.open .pane-divider { visibility: visible; }
a.mail-row { color: inherit; text-decoration: none; }
.mail-row[aria-current="true"] { background: color-mix(in srgb, var(--acc) 12%, var(--ground)); box-shadow: inset 3px 0 0 var(--acc); }

/* With the pane open the list is narrow: the two-line row from the phone layout. */
.inbox-layout.open .search { flex: 1 1 100%; margin-left: 0; order: -1; }
.inbox-layout.open .mail-row { grid-template-columns: 10px minmax(0, 1fr) auto; grid-template-areas: "dot from time" "dot subject subject" "dot tag marks"; gap: 3px 10px; padding: 9px 10px; }
.inbox-layout.open .mail-row .unread-dot { grid-area: dot; align-self: start; margin-top: 7px; }
.inbox-layout.open .mail-row .from { grid-area: from; }
.inbox-layout.open .mail-row time { grid-area: time; text-align: right; }
.inbox-layout.open .mail-row .subject { grid-area: subject; flex-direction: column; gap: 1px; }
.inbox-layout.open .mail-row .subject b, .inbox-layout.open .mail-row .subject span { max-width: 100%; }
.inbox-layout.open .mail-row .tag { grid-area: tag; justify-self: start; }
.inbox-layout.open .mail-row .marks { grid-area: marks; }

.pane { position: sticky; top: 0; height: 100vh; overflow: auto; min-width: 0; border-left: 1px solid var(--line); animation: pane-in .32s cubic-bezier(.2, .8, .2, 1); }
@keyframes pane-in { from { opacity: 0; transform: translateX(18px); } }
.pane-bar { position: sticky; top: 0; z-index: 2; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 10px 20px; background: var(--ground); border-bottom: 1px solid var(--line); }
.pane-bar .spacer { flex: 1; }
.pane-bar .back { display: none; }
.pane-bar .icon, .message .icon, .image-bar .icon { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.reading { padding: 18px 20px 40px; max-width: 920px; }
.reading h2 { font-size: 22px; line-height: 1.25; margin-bottom: 14px; overflow-wrap: anywhere; }
.keys { margin-top: 18px; font: 11px var(--mono); color: var(--dim); }

.thread { border: 1px solid var(--line); }
.earlier { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: baseline; width: 100%; padding: 9px 12px; border: 0; border-bottom: 1px solid var(--line); background: none; color: var(--ink-2); font: inherit; text-align: left; cursor: pointer; }
.earlier:hover { background: var(--panel); }
.earlier b { font-weight: 600; color: var(--ink); }
.earlier span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: var(--muted); }
.earlier time { font: 11px var(--mono); color: var(--dim); }
.earlier.more { display: block; text-align: center; font: 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

.message { padding: 14px 12px; border-bottom: 1px solid var(--line); }
.message:last-child { border-bottom: 0; }
.message-head { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; gap: 4px 12px; align-items: start; margin-bottom: 12px; }
.message-head .avatar { width: 36px; height: 36px; grid-row: span 2; background: color-mix(in srgb, var(--acc, var(--muted)) 18%, var(--raise)); border-color: transparent; color: var(--acc, var(--ink)); }
.message-head .who { min-width: 0; overflow-wrap: anywhere; }
.message-head .address { margin-left: 6px; font: 12px var(--mono); color: var(--muted); }
.message-head time { font: 12px var(--mono); color: var(--muted); text-align: right; }
.message-head .to { grid-column: 2 / -1; font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.message-head .to b { font-weight: 500; color: var(--ink-2); }
.message-head .tag { min-width: 0; padding: 0 5px; font-size: 10px; }
.sent-mark { margin-left: 8px; font: 600 10px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); border: 1px solid var(--line-2); padding: 0 4px; }
.message-state { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 16px 0; color: var(--ink-2); }
.message-state.failed { color: var(--red-ink); }
.spinner { width: 12px; height: 12px; border: 2px solid var(--line-2); border-top-color: var(--red); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.attachments { list-style: none; margin: 0 0 12px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.attachments a { display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border: 1px solid var(--line-2); background: var(--panel); font-size: 13px; text-decoration: none; color: var(--ink); }
.attachments a:hover { border-color: var(--ink-2); }
.attachments .name { overflow-wrap: anywhere; }
.attachments .size { font: 11px var(--mono); color: var(--muted); }
.image-bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 8px 10px; margin-bottom: 10px; background: var(--amber-soft); border: 1px solid var(--amber-line); font-size: 13px; color: var(--ink-2); }
.image-bar .icon { color: var(--amber); }
.image-bar .spacer { flex: 1; }
/* Mail is designed for white paper: it keeps its own background in both themes, framed by a hairline. */
.mail-frame { border: 1px solid var(--line); background: var(--paper); }
.mail-body { display: block; width: 100%; height: 240px; border: 0; background: var(--paper); }
.mail-text { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14px; line-height: 1.6; }
.mail-text a { color: var(--red-ink); }

@media (max-width: 820px) {
  /* The phone shows either the list or the mail, never both. */
  .inbox-layout, .inbox-layout.open { display: block; }
  .inbox-layout.open .inbox-list, .pane-divider { display: none; }
  .inbox-layout:not(.open) .pane { display: none; }
  .pane { position: static; height: auto; border-left: 0; animation-name: pane-in-phone; }
  @keyframes pane-in-phone { from { opacity: 0; transform: translateX(40%); } }
  .pane-bar { padding: 8px 0; }
  .pane-bar .back { display: inline-flex; }
  .pane-bar .label, .keys { display: none; }
  .reading { padding: 14px 0 40px; }
  .reading h2 { font-size: 19px; }
  .message { padding: 12px 8px; }
}

/* composer (F5): under the mail it answers, full pane for a new mail */
.new-mail { margin-left: auto; }
.draft-note { color: var(--amber); }
.composer { margin-top: 14px; border: 1px solid var(--line-2); background: var(--panel); display: grid; animation: composer-in .24s ease-out; }
@keyframes composer-in { from { opacity: 0; transform: translateY(8px); } }
.composer-row { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 10px; align-items: center; min-height: 42px; padding: 5px 12px; border-bottom: 1px solid var(--line); }
.composer-row > label { font: 500 10px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.bare { min-width: 0; width: 100%; background: none; border: 0; outline: none; font: inherit; color: var(--ink); padding: 4px 0; }
.bare::placeholder { color: var(--dim); }
.from-pick { display: inline-flex; align-items: center; gap: 8px; justify-self: start; max-width: 100%; padding: 2px 8px; border: 1px solid var(--line-2); background: var(--ground); }
.from-pick select { min-width: 0; max-width: 100%; background: none; border: 0; outline: none; font: inherit; color: var(--ink); padding: 4px 0; }
.from-pick option { background: var(--ground); color: var(--ink); }
.auto-note { font: 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--green); }
.recipient-chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; min-width: 0; }
.recipient-chips .bare { flex: 1; min-width: 140px; width: auto; }
.recipient { display: inline-flex; align-items: center; gap: 4px; max-width: 100%; padding: 1px 2px 1px 8px; border: 1px solid var(--line-2); background: var(--ground); font-size: 13px; overflow-wrap: anywhere; }
.recipient small { font: 11px var(--mono); color: var(--muted); }
.recipient button { width: 22px; height: 22px; border: 0; background: none; color: var(--muted); cursor: pointer; font: inherit; }
.recipient button:hover { color: var(--ink); }
.recipient.invalid { border-color: var(--red); color: var(--red-ink); background: var(--red-soft); }
.link-btn { border: 0; background: none; cursor: pointer; font: 500 11px var(--mono); letter-spacing: .06em; color: var(--muted); }
.link-btn:hover { color: var(--ink); }
.composer-body { min-height: 220px; resize: vertical; border: 0; outline: none; background: transparent; padding: 12px; font: 14px/1.6 var(--sans); color: var(--ink); }
.quote-toggle { justify-self: start; margin: 0 12px 10px; padding: 0 8px; border: 1px solid var(--line-2); background: none; cursor: pointer; font: 600 12px var(--mono); letter-spacing: .1em; color: var(--muted); }
.quote-toggle:hover, .quote-toggle[aria-expanded="true"] { color: var(--ink); border-color: var(--ink-2); }
.composer-quote { margin: 0 12px 12px; padding-left: 12px; border-left: 2px solid var(--line-2); color: var(--muted); font: 13px/1.5 var(--sans); white-space: pre-wrap; overflow-wrap: anywhere; max-height: 320px; overflow: auto; }
.composer-files { list-style: none; margin: 0; padding: 0 12px 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.composer-files li { display: inline-flex; align-items: center; gap: 8px; padding: 2px 2px 2px 10px; border: 1px solid var(--line-2); background: var(--ground); font-size: 13px; }
.composer-files small { font: 11px var(--mono); color: var(--muted); }
.composer-note { margin: 0; padding: 7px 12px; border-bottom: 1px solid var(--line); background: var(--amber-soft); color: var(--ink-2); font-size: 12.5px; }
.composer-alert { margin: 10px 12px 0; padding: 8px 10px; border: 1px solid var(--red-line); background: var(--red-soft); color: var(--red-ink); font-size: 13px; }
.composer-foot { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 10px 12px; border-top: 1px solid var(--line); }
.composer-foot label.btn { cursor: pointer; }
.composer-foot .icon { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.composer-status { margin-left: auto; font: 11px var(--mono); color: var(--muted); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* the outbox: every send waits here with Undo until it leaves */
.outbox { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); z-index: 20; display: grid; gap: 8px; width: min(520px, calc(100% - 32px)); }
.outbox-bar { position: relative; overflow: hidden; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 10px 12px 10px 16px; background: var(--ink); color: var(--ground); font-size: 13px; box-shadow: 0 10px 40px var(--scrim); }
.outbox-bar b { font-weight: 600; overflow-wrap: anywhere; }
.outbox-bar .count { font: 600 13px var(--mono); font-variant-numeric: tabular-nums; margin-left: auto; }
.outbox-bar .btn { color: var(--ground); border-color: var(--ground); background: none; }
.outbox-bar .meter { position: absolute; left: 0; bottom: 0; height: 2px; background: var(--red); transition: width .5s linear; }
.outbox-bar.sent { background: var(--panel); color: var(--green); border: 1px solid var(--green-line); }
.outbox-bar.sent b { color: var(--ink); }
.outbox-bar.failed { background: var(--panel); color: var(--red-ink); border: 1px solid var(--red-line); }
.outbox-bar.failed .btn { color: var(--ink); border-color: var(--line-3); }

.signature-list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 18px; }
.signature-list label { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 6px; }
.signature-list .tag { min-width: 0; padding: 1px 6px; font-size: 11px; }
.signature-list .addr { font: 13px var(--mono); overflow-wrap: anywhere; }
.signature-list em { font: 10px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-style: normal; }
.signature-list .saved { font: 11px var(--mono); color: var(--green); }
.signature-list textarea { width: 100%; max-width: 560px; padding: 10px; border: 1px solid var(--line-2); background: var(--panel); color: var(--ink); font: 14px/1.5 var(--sans); resize: vertical; }
.signature-list textarea:focus { outline: 2px solid var(--red); outline-offset: 1px; }

@media (max-width: 820px) {
  .composer-row { grid-template-columns: 52px minmax(0, 1fr); }
  .composer-row > .auto-note, .composer-row > .link-btn { grid-column: 2; }
  .composer-status { margin-left: 0; flex-basis: 100%; }
}

.section-title { margin: 22px 0 10px; font: 500 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.allow-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.allow-list li { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; padding: 10px 4px; border-bottom: 1px solid var(--line); }
.allow-list .addr { font: 13px var(--mono); flex: 1; min-width: 200px; overflow-wrap: anywhere; }

/* account editor drawer */
.scrim { position: fixed; inset: 0; background: var(--scrim); z-index: 10; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; z-index: 11; width: min(520px, 100%); background: var(--panel); border-left: 1px solid var(--line-2); display: flex; flex-direction: column; }
.drawer > header { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.drawer > header .display { font-size: 26px; }
.drawer > header .icon-btn { margin-left: auto; }
.drawer-body { flex: 1; overflow: auto; padding: 20px; display: grid; gap: 18px; align-content: start; }
.drawer-body .tldr { margin-top: 0; }
.drawer > footer { display: flex; flex-wrap: wrap; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--line); }
.drawer > footer .grow { flex: 1; }
.field-label { font: 500 10px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.hint { font-size: 12px; color: var(--muted); }
.input.upper { text-transform: uppercase; font-family: var(--mono); }
.pair { display: grid; grid-template-columns: minmax(0, 1fr) 130px; gap: 12px; }
.trio { display: grid; grid-template-columns: minmax(0, 1fr) 84px 120px; gap: 10px; }
.segmented { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; border: 1px solid var(--line-2); }
.segmented button { height: 36px; font: 500 11px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); background: none; border: 0; border-right: 1px solid var(--line-2); cursor: pointer; }
.segmented button:last-child { border-right: 0; }
.segmented button[aria-pressed="true"] { background: var(--raise); color: var(--ink); box-shadow: inset 0 -2px 0 var(--acc, var(--red)); }
.swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.swatches button { width: 30px; height: 30px; border-radius: 50%; background: var(--acc); border: 2px solid transparent; box-shadow: inset 0 0 0 2px var(--panel); cursor: pointer; }
.swatches button[aria-checked="true"] { border-color: var(--ink); }
.saved-secret { display: flex; align-items: center; gap: 10px; height: 40px; padding: 0 12px; border: 1px dashed var(--line-2); font: 13px var(--mono); color: var(--muted); }
.saved-secret button { margin-left: auto; background: none; border: 0; cursor: pointer; font: 600 13px var(--sans); color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; }
.disclosure { border: 1px solid var(--line); }
.disclosure-toggle { width: 100%; text-align: left; padding: 10px 12px; background: none; border: 0; cursor: pointer; font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.disclosure-toggle small { margin-left: 8px; color: var(--dim); letter-spacing: .04em; text-transform: none; }
.server { padding: 4px 12px 14px; display: grid; gap: 14px; }
.server h3 { margin-top: 6px; font: 500 11px var(--mono); letter-spacing: .14em; color: var(--dim); }
.identities { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.identities li { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--line); font: 13px var(--mono); }
.identities em { margin-left: auto; font: normal 10px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.identities .icon-btn { width: 26px; height: 26px; }
.note { font-size: 12px; color: var(--ink-2); border: 1px solid var(--amber-line); background: var(--amber-soft); padding: 6px 10px; }
.test { border: 1px solid var(--line-2); display: grid; }
.test-line { display: grid; grid-template-columns: 52px 20px minmax(0, 1fr); gap: 10px; align-items: start; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 13px; }
.test-line:last-child { border-bottom: 0; }
.test-line .proto { font: 600 11px var(--mono); letter-spacing: .12em; color: var(--muted); padding-top: 1px; }
.test-line .res { color: var(--ink-2); }
.test-line .res b { font-weight: 500; color: var(--ink); }
.test-line .res small { display: block; margin-top: 2px; font-size: 12px; color: var(--muted); }
.glyph { font: 600 14px/1.2 var(--mono); }
.glyph.ok { color: var(--green); }
.glyph.err { color: var(--red-ink); }
.glyph.idle { color: var(--dim); }
.glyph.wait { color: var(--dim); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: .25; } }

@media (max-width: 900px) {
  .settings { grid-template-columns: 1fr; gap: 16px; }
  .subnav { flex-direction: row; overflow-x: auto; }
  .subnav .label { display: none; }
  .subnav a { border-left: 0; border-bottom: 2px solid transparent; }
  .subnav a[aria-current="page"] { border-bottom-color: var(--red); }
  .ledger-cols { display: none; }
  .ledger-row { grid-template-columns: auto minmax(0, 1fr); grid-template-areas: "tag who" "status status" "prov when" "acts acts"; row-gap: 10px; align-items: start; padding: 14px 4px; }
  .ledger-row > .tag { grid-area: tag; }
  .ledger-row > .who { grid-area: who; }
  .ledger-row > .status { grid-area: status; }
  .ledger-row > .prov { grid-area: prov; }
  .ledger-row > .when { grid-area: when; text-align: right; }
  .ledger-row > .acts { grid-area: acts; justify-content: flex-start; }
  .display { font-size: 36px; }
}
@media (max-width: 480px) {
  .pair, .trio { grid-template-columns: 1fr; }
  .tldr { grid-template-columns: 1fr; }
  .tldr ul { grid-column: 1; }
  .tldr li { grid-template-columns: auto minmax(0, 1fr); }
  .tldr li .btn { grid-column: 1 / -1; justify-self: start; }
  .segmented { grid-auto-flow: row; grid-template-columns: 1fr 1fr; }
  .segmented button:nth-child(2n) { border-right: 0; }
  .segmented button:nth-child(-n + 2) { border-bottom: 1px solid var(--line-2); }
  .drawer > footer .grow { display: none; }
  .drawer > footer .btn { flex: 1; }
  .accounts-head .btn { margin-left: 0; }
}

#blazor-error-ui {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 1000;
  background: var(--raise); border-top: 1px solid var(--red);
  padding: 10px 26px; color: var(--ink);
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 16px; top: 10px; }

@media (max-width: 720px) {
  .topbar, .content { padding-inline: 16px; }
  .topbar { gap: 8px; }
  .brand { font-size: 15px; letter-spacing: .1em; }
  .brand span { display: none; }
  .account { gap: 0; }
  .account .btn.quiet { padding: 0 6px; font-size: 11px; letter-spacing: .04em; }
  .manage { grid-template-columns: 1fr; }
  .manage-nav { grid-auto-flow: column; overflow-x: auto; }
}
/* settings (F3): appearance, sync, profile; security reuses the manage pages inside the settings rail */
.settings .manage { margin: 0; max-width: 880px; grid-template-columns: 1fr; gap: 16px; }
.settings .manage-nav { grid-auto-flow: column; justify-content: start; gap: 4px; border-bottom: 1px solid var(--line); }
.settings .manage-nav a { border: 0; border-bottom: 2px solid transparent; padding: 8px 12px; }
.settings .manage-nav a.active { border-bottom-color: var(--red); background: none; color: var(--ink); }
.sync-list .when { font: 12px var(--sans); color: var(--muted); }
/* Blazor focuses the page heading after navigation for screen readers; a heading is not a control, so no ring. */
h1:focus { outline: none; }
.pref-group { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.pref-group h2 { font-size: 14px; margin-bottom: 4px; }
.pref-group .muted { font-size: 13px; }
.pref-control { display: grid; gap: 10px; align-content: start; justify-items: start; }
.segmented.fit { display: inline-grid; grid-auto-columns: minmax(104px, auto); }
.saved { min-height: 16px; font: 12px var(--mono); color: var(--green); }
.input.narrow { width: min(360px, 100%); }
.preview { border: 1px solid var(--line-2); }
.sync-list { list-style: none; margin: 14px 0 0; padding: 0; }
.sync-list li { display: grid; grid-template-columns: 60px minmax(0, 1.2fr) 150px minmax(0, 1.4fr) auto; gap: 16px; align-items: center; padding: var(--ledger-pad) 12px; border-bottom: 1px solid var(--line); }
.s-wait { color: var(--amber); border-color: var(--amber-line); background: var(--amber-soft); }
.s-wait .mark { border: 1.5px solid var(--amber); border-radius: 50%; }
@media (max-width: 900px) {
  .pref-group { grid-template-columns: 1fr; gap: 10px; }
  .sync-list li { grid-template-columns: auto minmax(0, 1fr); row-gap: 8px; }
  .sync-list li .status, .sync-list li .when, .sync-list li .acts { grid-column: 1 / -1; }
}

/* Phones: every control gets a 44 px tap target; desktop stays compact. */
@media (max-width: 820px) {
  .btn, .btn.small, .btn.quiet, .chip, .search { min-height: 44px; }
  .icon-btn, .identities .icon-btn { width: 44px; height: 44px; }
  .swatches { gap: 10px; }
  .swatches button { width: 44px; height: 44px; }
  .segmented button { min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }