/* M(ai)l — Cipher.
   What's sealed looks sealed. One bit: ink and paper, shaded only by dithering. Letters you
   haven't opened are ciphertext; sending scrambles your words. One blue, for you. */

@font-face { font-family: "Doto"; src: url("/ui/fonts/doto.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Martian Mono"; src: url("/ui/fonts/martian-mono.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }
@font-face { font-family: "Geist"; src: url("/ui/fonts/geist.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --w: #f6f6f3;            /* paper */
  --k: #0b0b0b;            /* ink */
  --g: #85857f;            /* the only grey: secondary text */
  --tint: rgba(11, 11, 11, .05);
  --you: #1636ff;          /* the one colour: you, and what you do */
  --you-ink: #ffffff;
  --dot: "Doto", ui-monospace, monospace;
  --mono: "Martian Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --text: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --w: #0b0b0b; --k: #efefea; --g: #7a7a73; --tint: rgba(239, 239, 234, .06);
    --you: #5c75ff; --you-ink: #0b0b0b;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--w); color: var(--k); font: 400 15px/1.55 var(--text); }
a { color: inherit; }
::selection { background: var(--you); color: var(--you-ink); }
canvas.px { image-rendering: pixelated; display: block; flex: none; }

.lab {
  font: 500 10.5px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--g);
  margin: 0 0 10px; display: flex; justify-content: space-between; gap: 8px;
}
.fp { font: 11.5px/1.4 var(--mono); color: var(--g); }
.lede { color: var(--g); font: 12.5px/1.6 var(--mono); margin: 0 0 18px; }
.drule { height: 8px; margin: 18px 0 14px; background: var(--dither) left center / auto 8px no-repeat; image-rendering: pixelated; }

/* ---- wordmark ------------------------------------------------------------------------ */
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--k); }
.logo img { width: 40px; height: 40px; image-rendering: pixelated; }
.logo .word { font-family: var(--dot); font-weight: 900; font-variation-settings: "ROND" 0; font-size: 32px; line-height: 1; }
.logo .word span { color: var(--you); }

/* ---- buttons & fields ---------------------------------------------------------------- */
button {
  font: 500 13px var(--mono); color: var(--k); background: none; border: 1px solid var(--k);
  padding: 10px 14px; cursor: pointer; min-height: 40px; border-radius: 0;
}
button:hover { background: var(--tint); }
button.send { background: var(--you); border-color: var(--you); color: var(--you-ink); letter-spacing: .03em; }
button.send:hover { filter: brightness(1.08); background: var(--you); }
button.quiet { border-color: transparent; color: var(--g); }
button.link { all: unset; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
button:disabled { opacity: .45; cursor: default; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--you); outline-offset: 2px; }
input, textarea, select {
  width: 100%; font: 14px var(--mono); color: var(--k); background: none; border: 1px solid var(--k);
  border-radius: 0; padding: 9px 10px;
}
textarea { font: 15.5px/1.55 var(--text); resize: vertical; min-height: 100px; }
input::placeholder, textarea::placeholder { color: var(--g); }
label { display: block; font: 500 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--g); margin: 16px 0 6px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
.row .grow { flex: 1; }

/* ---- the one view -------------------------------------------------------------------- */
.shell { display: grid; grid-template-columns: 300px minmax(0, 1fr); min-height: 100vh; }
.side { padding: calc(22px + env(safe-area-inset-top)) 24px 32px; border-right: 1px solid var(--k); position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.content { min-width: 0; }
.col { padding: calc(22px + env(safe-area-inset-top)) 26px 64px; min-width: 0; }

.me { font: 12px/1.6 var(--mono); margin-top: 20px; }
.me b { display: block; font-weight: 500; font-size: 13.5px; overflow-wrap: anywhere; }
.me .links { color: var(--g); }
.me .links button { all: unset; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.add { display: flex; margin-top: 14px; }
.add input { flex: 1; min-width: 0; border-right: 0; }
.add button { background: var(--k); color: var(--w); border-color: var(--k); }
.add button:hover { background: var(--k); opacity: .85; }

.people { list-style: none; margin: 0; padding: 0; }
.person {
  display: grid; grid-template-columns: 36px 1fr auto; gap: 12px; align-items: center; width: 100%;
  padding: 9px 0; border: 0; border-bottom: 1px dotted color-mix(in srgb, var(--k) 28%, transparent);
  background: none; text-align: left; font: inherit; color: inherit; cursor: pointer; min-height: 54px;
}
.person:hover { background: var(--tint); }
.person canvas { width: 36px; height: 36px; }
.person b { display: block; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.person small { display: block; font: 11px var(--mono); color: var(--g); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.person.on b::before { content: "▸ "; color: var(--you); }
.person.held { opacity: .6; }
.badge { font: 500 11px/1 var(--mono); background: var(--k); color: var(--w); padding: 4px 6px; }
.badge.soft { background: none; color: var(--g); padding: 4px 0; }

/* getting started */
.getting { border: 1px solid var(--k); padding: 14px 16px; margin-bottom: 24px; }
.getting h2 { font: 500 15px var(--text); margin: 0 0 8px; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: s; font: 12.5px/1.6 var(--mono); }
.steps li { counter-increment: s; display: flex; gap: 10px; padding: 4px 0; }
.steps li::before { content: "[" counter(s) "]"; color: var(--g); }
.steps li.done { color: var(--g); text-decoration: line-through; }
.steps li.done::before { content: "[x]"; color: var(--you); }

/* open drafts */
.open-head { display: flex; align-items: baseline; gap: 14px; }
.open-head h1 { font: 900 44px/1 var(--dot); font-variation-settings: "ROND" 0; margin: 0 0 6px; }
.open-head h1 span { color: var(--you); }
.all-clear { border: 1px dashed color-mix(in srgb, var(--k) 40%, transparent); padding: 16px; font: 12.5px/1.6 var(--mono); color: var(--g); }

.letter { border: 1px solid var(--k); margin: 0 0 22px; }
.letter .top { display: flex; align-items: center; gap: 10px; padding: 9px 14px; border-bottom: 1px solid var(--k); font: 11.5px var(--mono); }
.letter .top canvas { width: 24px; height: 24px; }
.letter .top .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.letter .top b { font-weight: 500; }
.letter .top .by { color: var(--g); white-space: nowrap; }
.letter .asked { padding: 12px 14px; border-bottom: 1px dashed color-mix(in srgb, var(--k) 35%, transparent); font-size: 14px; color: var(--g); white-space: pre-wrap; overflow-wrap: anywhere; }
.letter .asked b { color: var(--k); font-weight: 500; }
.letter .draft { padding: 14px 14px 0; }
.letter .subj { font: 500 17px/1.3 var(--text); margin: 0 0 8px; overflow-wrap: anywhere; }
.letter textarea { border: 0; padding: 0; min-height: 84px; font-size: 16px; }
.letter textarea:focus { outline: none; background: color-mix(in srgb, var(--you) 6%, transparent); }
.wire-lab { margin: 12px 14px 0; font: 500 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--g); }
.wire {
  margin: 4px 14px 0; font: 10.5px/1.45 var(--mono); color: var(--g); word-break: break-all;
  height: 4.35em; overflow: hidden;
  -webkit-mask: linear-gradient(90deg, #000 35%, transparent); mask: linear-gradient(90deg, #000 35%, transparent);
}
.acts { display: flex; border-top: 1px solid var(--k); margin-top: 14px; }
.acts button { flex: 1; border: 0; min-height: 46px; }
.acts button + button { border-left: 1px solid var(--k); }
.acts button.send { flex: 2; }

/* conversation */
.chead { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.chead canvas { width: 64px; height: 64px; }
.chead .who { flex: 1; min-width: 180px; }
.chead h2 { font: 900 30px/1.05 var(--dot); font-variation-settings: "ROND" 0; margin: 0 0 6px; text-transform: uppercase; overflow-wrap: anywhere; }
.tiers { display: inline-flex; border: 1px solid var(--k); margin: 16px 0 20px; }
.tiers button { border: 0; min-height: 30px; padding: 4px 12px; font-size: 11.5px; }
.tiers button + button { border-left: 1px solid var(--k); }
.tiers button.on { background: var(--k); color: var(--w); }
.request { border: 1px solid var(--k); padding: 12px 14px; margin-bottom: 18px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; font-size: 14px; }
.request p { margin: 0; flex: 1; min-width: 220px; }
.thread { display: flex; flex-direction: column; }
.msg { margin: 0 0 16px; max-width: 88%; }
.msg.out { align-self: flex-end; }
.msg .l { font: 11px var(--mono); color: var(--g); margin-bottom: 4px; display: flex; gap: 8px; flex-wrap: wrap; }
.msg .l b { color: var(--k); font-weight: 500; }
.msg .box { border: 1px solid var(--k); padding: 10px 12px; overflow-wrap: anywhere; white-space: pre-wrap; }
.msg.out .box { border-color: var(--you); }
.msg .s { font-weight: 500; white-space: normal; }
.msg .sealed { cursor: pointer; font: 12px/1.55 var(--mono); word-break: break-all; white-space: normal; position: relative; padding-bottom: 22px; }
.msg .sealed::after {
  content: "sealed · open"; position: absolute; right: -1px; bottom: -1px; background: var(--k); color: var(--w);
  font: 500 10px var(--mono); letter-spacing: .08em; padding: 3px 7px;
}
.tag { font: 500 10.5px var(--mono); }
.tag.you { color: var(--you); }
.tag.bad { background: var(--k); color: var(--w); padding: 0 5px; }
.compose { margin-top: 22px; border: 1px solid var(--k); }
.compose .replying { font: 11px var(--mono); color: var(--g); padding: 8px 12px 0; }
.compose input { border: 0; border-bottom: 1px dashed color-mix(in srgb, var(--k) 35%, transparent); }
.compose textarea { border: 0; min-height: 80px; }
.compose textarea:focus, .compose input:focus { outline: none; }
.compose .acts { margin-top: 0; }

/* ---- settings sheet ------------------------------------------------------------------ */
dialog {
  border: 0; border-left: 1px solid var(--k); padding: 0; background: var(--w); color: var(--k);
  width: min(560px, 100vw); max-width: 100vw; height: 100vh; max-height: 100vh; margin: 0 0 0 auto;
}
dialog::backdrop { background: color-mix(in srgb, var(--k) 25%, transparent); }
.sheet-in { padding: calc(22px + env(safe-area-inset-top)) 24px 44px; }
.sheet-in header { display: flex; align-items: center; margin-bottom: 4px; }
.sheet-in header h1 { font: 900 34px/1 var(--dot); font-variation-settings: "ROND" 0; margin: 0 auto 0 0; }
.sheet-in section { padding: 18px 0; border-bottom: 1px solid var(--k); }
.sheet-in h2 { font: 500 16px var(--text); margin: 0 0 6px; }
.list { list-style: none; padding: 0; margin: 0; }
.list li { display: flex; gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px dotted color-mix(in srgb, var(--k) 28%, transparent); }
.list li .grow { flex: 1; }
pre.token { white-space: pre-wrap; overflow-wrap: anywhere; font: 12px/1.55 var(--mono); border: 1px dashed var(--k); padding: 10px 12px; margin: 6px 0; }

/* ---- sign in ------------------------------------------------------------------------- */
.signin { max-width: 400px; margin: 16vh auto 0; padding: 0 16px; }
.signin .logo { margin-bottom: 22px; }
.signin .logo img { width: 56px; height: 56px; }
.signin .logo .word { font-size: 46px; }
.signin .lede { font-size: 13px; }
.signin .row button { flex: 1; }

/* ---- public profile ------------------------------------------------------------------ */
.profile { max-width: 600px; margin: 0 auto; padding: 56px 16px 64px; }
.profile .logo { margin-bottom: 40px; }
.profile .face { width: 96px; height: 96px; margin-bottom: 18px; }
.profile h1 { font: 900 52px/1 var(--dot); font-variation-settings: "ROND" 0; margin: 0 0 10px; text-transform: uppercase; overflow-wrap: anywhere; }
.profile .addr { display: inline-block; font: 500 15px var(--mono); border: 1px solid var(--k); padding: 6px 10px; margin-bottom: 18px; overflow-wrap: anywhere; }
.profile .note { font-size: 17px; margin: 0 0 24px; }
.profile .asks { list-style: none; padding: 0; margin: 0 0 30px; display: flex; flex-wrap: wrap; gap: 6px; }
.profile .asks li { border: 1px solid var(--k); padding: 3px 10px; font: 12px var(--mono); }
.profile .how { border: 1px solid var(--k); padding: 16px 18px; }
.profile .how h2 { font: 500 16px var(--text); margin: 0; }
.profile .how ol { margin: 8px 0 0; padding-left: 20px; }
.profile .how li { margin: 6px 0; }
.profile .how code { font: 13px var(--mono); background: var(--tint); padding: 1px 5px; }
.profile .foot { margin-top: 28px; }

#toast {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 10;
  background: var(--k); color: var(--w); padding: 10px 14px; font: 12.5px var(--mono); max-width: calc(100% - 32px);
}

/* ---- wide: people | open | conversation ---------------------------------------------- */
@media (min-width: 1180px) {
  .content { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); height: 100vh; }
  .col { overflow-y: auto; }
  .col + .col { border-left: 1px solid var(--k); }
}
@media (min-width: 861px) and (max-width: 1179px) {
  .col-convo { border-top: 1px solid var(--k); }
}

/* ---- phone: the same view, stacked ---------------------------------------------------- */
@media (max-width: 860px) {
  .shell { display: block; }
  .side { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--k); padding-bottom: 16px; }
  .people { display: flex; gap: 4px; overflow-x: auto; padding-bottom: 4px; }
  .people li { flex: none; }
  .person { grid-template-columns: 1fr; justify-items: center; width: 76px; gap: 4px; border: 0; padding: 6px 2px; position: relative; text-align: center; }
  .person small { display: none; }
  .person b { font-size: 12.5px; max-width: 72px; }
  .person.on b::before { content: none; }
  .person.on { background: var(--tint); }
  .person .badge { position: absolute; top: 2px; right: 12px; min-width: 18px; text-align: center; }
  .person .badge.soft { background: var(--w); color: var(--k); border: 1px solid var(--k); padding: 3px 5px; }
  .person .badge .wide { display: none; }
  .drule { margin: 12px 0 10px; }
  .col { padding: 18px 16px 56px; }
  .col-convo { border-top: 1px solid var(--k); }
  .open-head h1 { font-size: 36px; }
  .msg { max-width: 96%; }
  dialog { width: 100vw; border-left: 0; }
}