/* The apps' look, in a browser: warm paper, brown ink, one color per
   contact; at night, dark cocoa and cream. Tokens from the Windows app. */
:root {
  --ink: #3B2A23; --muted: #6E554A; --faint: #7A6156;
  --paper: #FFFBF6; --field: #F8EFE6; --well: #F2E6DA; --raised: #FFFBF6; --input: #FFFFFF;
  --link: #B83A4E; --heart: #E0596B; --heart-soft: #FDE3E6; --heart-deep: #8E2537;
  --ok: #39744A; --danger: #B3261E; --hairline: rgba(84, 48, 30, .22);
  --switch-on: #3FA05A; --star: #D99A1E; --star-off: #B9A596;
  --anyone-1: #FBE3D2; --anyone-2: #FCE6EA; --anyone-3: #F3E4F3;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #F3E6DC; --muted: #C7B0A2; --faint: #A8917F;
    --paper: #2A211D; --field: #372C27; --well: #40342E; --raised: #5A4A42; --input: #221B18;
    --link: #F28C9B; --heart: #EC6F80; --heart-soft: #4A2B31; --heart-deep: #FFB8C2;
    --ok: #8DCB9B; --danger: #FF8A80; --hairline: rgba(255, 235, 220, .16);
    --star: #E8B54F; --star-off: #7D6A5E;
    --anyone-1: #4A3226; --anyone-2: #4A2C33; --anyone-3: #3E2C40;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; background: var(--paper); color: var(--ink); }
body {
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  min-height: 100vh; min-height: 100dvh; overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}
h1, h2 { margin: 0; font: inherit; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
button:disabled { cursor: default; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible { outline: 2px solid var(--heart); outline-offset: 1px; }
[hidden] { display: none !important; }
svg.icon { width: 1em; height: 1em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
svg.icon.filled { fill: currentColor; stroke: none; }

.col { display: flex; flex-direction: column; }
.row { display: flex; align-items: center; }
.wrap { flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }
.ellipsis { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.center { text-align: center; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.danger { color: var(--danger); }
.ok { color: var(--ok); }
.link { color: var(--link); }
a.link:hover { text-decoration: underline; }
.strong { font-weight: 600; }
.small { font-size: 13px; }
/* A sign-in error: red, right under the button, so it isn't read as a hint. */
.error { display: flex; align-items: flex-start; justify-content: center; gap: 6px; color: var(--danger); font-size: 13px; font-weight: 600; text-align: left; }
.error .icon { flex: none; margin-top: 2px; }
.notice { color: var(--ok); }
.title { font-size: 17px; font-weight: 600; }
.caption { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.note { font-size: 12.5px; color: var(--faint); }
.hint { font-size: 13px; margin-top: -6px; }
.card { background: var(--field); border-radius: 12px; }
hr { border: 0; border-top: 1px solid var(--hairline); margin: 2px 0; width: 100%; }
.card hr { margin: 0; }
.selectable { -webkit-user-select: text; user-select: text; }

/* ---- the shell ---- */
#app { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }
.top {
  display: flex; align-items: center; gap: 8px; width: 100%; max-width: 920px; margin: 0 auto;
  padding: max(10px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 4px max(16px, env(safe-area-inset-left));
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; padding: 6px 4px; border-radius: 8px; }
.brand-heart { color: var(--heart); font-size: 18px; display: flex; }
.top .icon-button { width: 40px; height: 40px; font-size: 19px; }
.top .icon-button.on { background: var(--field); }
.offline-line { width: 100%; max-width: 480px; margin: 0 auto; padding: 0 16px; }
.offline-line:empty { display: none; }
.offline-line .banner { margin-top: 6px; }
.main { flex: 1; width: 100%; display: flex; flex-direction: column; }
.page { width: 100%; max-width: 480px; margin: 0 auto; padding: 14px 16px max(28px, env(safe-area-inset-bottom)); }
.page.loading { display: flex; justify-content: center; padding-top: 22vh; }
.page.signin { max-width: 400px; padding-top: max(8vh, 28px); }
.page.settings { max-width: 560px; }
.question { font-size: 19px; font-weight: 650; padding: 4px 2px 6px; }
.hello { font-size: 20px; font-weight: 700; }
.hello-heart { width: 60px; height: 60px; border-radius: 50%; background: var(--heart-soft); color: var(--heart); display: flex; align-items: center; justify-content: center; }
.pulse { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { transform: scale(.92); opacity: .7; } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } }

/* ---- buttons ---- */
.primary, .secondary {
  width: 100%; min-height: 44px; padding: 0 14px; border-radius: 12px; font-size: 15px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 8px; text-align: center;
}
.primary { background: var(--ink); color: var(--paper); }
.primary:active { opacity: .85; }
.primary:disabled { opacity: .45; }
.secondary { background: var(--paper); box-shadow: inset 0 0 0 1px var(--hairline); }
.secondary:hover { background: var(--field); }
.secondary.grow { width: auto; flex: 1 1 0; min-width: 96px; }
.primary.grow { width: auto; flex: 1 1 0; min-width: 140px; }
.small-button {
  height: 36px; padding: 0 14px; border-radius: 9px; font-size: 13.5px; flex: none;
  background: var(--paper); box-shadow: inset 0 0 0 1px var(--hairline);
}
.small-button:hover { background: var(--field); }
.pill { display: inline-flex; align-items: center; height: 32px; padding: 0 14px; border-radius: 16px; font-size: 13.5px; font-weight: 500; background: var(--field); white-space: nowrap; }
.pill:hover { filter: brightness(.97); }
.pill.strong { font-weight: 600; background: var(--ink); color: var(--paper); }
.pill.danger-fill { background: var(--danger); color: var(--paper); }
.icon-button { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; font-size: 17px; border-radius: 10px; flex: none; }
.icon-button:hover { background: var(--field); }
.link-row { display: flex; align-items: center; gap: 8px; min-height: 36px; padding: 0 4px; color: var(--link); font-size: 14.5px; width: 100%; text-align: left; }
.link-row .icon { width: 18px; }
.link-row:hover span { text-decoration: underline; }

/* ---- fields ---- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field input {
  height: 42px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--hairline);
  background: var(--input); color: var(--ink); font: inherit; font-size: 15px; outline: none; width: 100%;
}
.field input:focus { border-color: var(--heart); }
input::placeholder { color: var(--faint); opacity: .8; }
.search { display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 12px; border-radius: 11px; background: var(--field); }
.search .icon { color: var(--faint); font-size: 14px; }
.search input { flex: 1; min-width: 0; border: 0; outline: none; background: none; color: var(--ink); font: inherit; font-size: 15px; -webkit-appearance: none; appearance: none; }
.search input::-webkit-search-cancel-button { display: none; }
.search .clear { font-size: 16px; padding: 4px; }
/* A phone zooms into any field under 16px: so they are 16px there. */
@media (max-width: 760px) {
  .field input, .search input, select.language, .name-input { font-size: 16px; }
}

.banner { display: flex; align-items: baseline; gap: 8px; padding: 10px 12px; border-radius: 11px; background: var(--field); color: var(--muted); font-size: 13.5px; }
.banner .icon { position: relative; top: 2px; }

/* The browser receives only while its tab is open: the note on the first screen. */
.web-note { display: flex; flex-direction: column; gap: 10px; padding: 12px; border-radius: 12px; background: var(--heart-soft); color: var(--heart-deep); font-size: 13.5px; }
.web-note .badge { width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--paper); color: var(--heart); font-size: 16px; flex: none; }
.web-note .pill { background: var(--paper); color: var(--heart-deep); }
.web-note .pill.strong { background: var(--heart-deep); color: var(--paper); }
/* …and the line in Settings, where receiving is set up. */
.web-line { gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 12px; background: var(--field); color: var(--muted); font-size: 13.5px; }
.web-line > .icon { font-size: 17px; color: var(--heart); margin-top: 1px; }

/* ---- switches and sliders ---- */
.switch-row { display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 6px 12px; font-size: 14.5px; }
.switch { position: relative; width: 40px; height: 24px; border-radius: 12px; background: var(--star-off); transition: background .15s; flex: none; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: 0 1px 2px rgba(0,0,0,.25); }
.switch.on { background: var(--switch-on); }
.switch.on::after { transform: translateX(16px); }
select.language { height: 36px; padding: 0 8px; border-radius: 9px; border: 1px solid var(--hairline); background: var(--input); color: var(--ink); font: inherit; font-size: 14px; max-width: 60%; }
input[type=range] { width: 100%; accent-color: var(--heart); margin: 6px 0; height: 24px; }
input[type=range]:disabled { opacity: .5; }
.anyone-card { padding: 4px 0 2px; border-radius: 12px; background: var(--anyone-3); }

/* ---- people ---- */
.avatar { border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; background: var(--paper); flex: none; }
.contact-row { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 10px; border-radius: 12px; width: 100%; text-align: left; transition: background .2s; }
.contact-row:hover { background: color-mix(in srgb, var(--tint) 60%, transparent); }
.contact-row.sent { background: var(--tint); }
.contact-row .name { font-size: 15.5px; font-weight: 500; }
.contact-row .sent-mark { font-size: 13px; font-weight: 600; white-space: nowrap; }

.circles {
  display: flex; flex-wrap: wrap; gap: 12px 14px; justify-content: center; padding-top: 6px;
  max-width: calc(5 * 54px + 4 * 14px); margin: 0 auto; width: 100%;
  -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
}
@media (max-width: 360px) { .circles { max-width: calc(5 * 50px + 4 * 9px); gap: 10px 9px; } }
.circle {
  width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 19px; font-weight: 700; transition: transform .15s; position: relative; touch-action: manipulation;
  -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
}
@media (max-width: 360px) { .circle { width: 50px; height: 50px; } }
.circle.lift { transform: scale(1.08); }
.circle.dragging { opacity: .6; transform: scale(1.12); }
.circle.add { color: var(--faint); border: 1.5px dashed var(--star-off); font-size: 19px; }
.circle.anyone { background: linear-gradient(135deg, var(--anyone-1), var(--anyone-2), var(--anyone-3)); font-size: 21px; order: 0; }
.circle.anyone svg.ring { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.circles-caption { min-height: 20px; font-size: 13.5px; font-weight: 600; text-align: center; }

.invite { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; background: var(--field); width: 100%; text-align: left; transition: background .15s; }
.invite:hover { background: color-mix(in srgb, var(--link) 6%, var(--field)); }
.invite .badge { width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--link); background: color-mix(in srgb, var(--link) 14%, transparent); flex: none; }
.invite .code { font-size: 14px; font-weight: 500; }
.invite .action { display: flex; align-items: center; gap: 4px; font-size: 12.5px; font-weight: 500; color: var(--link); flex: none; }
.invite .action .label { display: none; }
.invite:hover .action .label, .invite .action.copied .label { display: inline; }

.swatches { display: grid; grid-template-columns: repeat(6, var(--cell)); gap: 6px 12px; margin-left: -3px; }
.swatch { width: var(--cell); height: var(--cell); border-radius: 50%; padding: 3px; display: flex; }
.swatch span { flex: 1; border-radius: 50%; }
.swatch.on { box-shadow: inset 0 0 0 2px var(--ring); }

/* ---- settings ---- */
.tabs { display: flex; gap: 4px; padding: 3px; border-radius: 12px; background: var(--well); }
.tabs button { flex: 1; min-width: 0; min-height: 36px; padding: 0 4px; border-radius: 9px; font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tabs button.on { background: var(--raised); font-weight: 600; box-shadow: 0 1px 1.5px color-mix(in srgb, var(--ink) 20%, transparent); }
.play { min-height: 44px; border-radius: 12px; background: var(--heart-soft); color: var(--heart-deep); font-size: 14.5px; font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; }
.device { gap: 10px; padding: 8px 12px; min-height: 52px; }
.token { padding: 12px; font-family: ui-monospace, Consolas, monospace; font-size: 13px; word-break: break-all; }
.grow-0 { flex: none; }

/* ---- book ---- */
.page.book { max-width: 920px; display: flex; padding: 6px 16px 24px; gap: 0; }
.book .side { width: 300px; flex: none; display: flex; flex-direction: column; gap: 6px; padding-right: 16px; border-right: 1px solid var(--hairline); }
.book .side-head { padding: 0 4px 4px; }
.book .list { padding: 4px 2px; }
.book .side-foot { padding: 8px 6px 0; border-top: 1px solid var(--hairline); gap: 4px; }
.book .detail { flex: 1; min-width: 0; }
.detail-page { padding: 8px 0 0 28px; max-width: 460px; }
.empty-detail { justify-content: center; align-items: center; gap: 8px; padding: 60px 24px; text-align: center; }
.narrow-only { display: none; }
.book-heading { padding: 4px 6px; }
.book-heading.others { padding-top: 14px; }
.book-row {
  display: flex; align-items: center; gap: 10px; padding: 4px 8px; min-height: 42px; border-radius: 9px; width: 100%; text-align: left; font-size: 15px;
  position: relative; touch-action: pan-y; -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
}
.book-row:hover { background: var(--field); }
.book-row.on { background: color-mix(in srgb, var(--heart) 22%, transparent); }
.book-row.dragging { opacity: .4; }
.drop-before::before, .drop-after::after { content: ""; position: absolute; left: 6px; right: 6px; height: 2px; border-radius: 1px; background: var(--heart); }
.drop-before::before { top: -1px; }
.drop-after::after { bottom: -1px; }
.book-heading.drop-target { background: color-mix(in srgb, var(--heart) 10%, transparent); border-radius: 8px; }
.ghost { position: fixed; pointer-events: none; z-index: 10; padding: 6px 12px; border-radius: 9px; background: var(--raised); box-shadow: 0 3px 10px rgba(0,0,0,.2); font-size: 14.5px; display: flex; align-items: center; gap: 8px; max-width: 70vw; }
.name-input { font: inherit; font-size: 24px; font-weight: 700; border: 0; outline: none; background: none; color: var(--ink); padding: 0; width: 100%; min-width: 0; }
.name-input:focus { box-shadow: 0 2px 0 var(--heart); }

/* On a phone: the list, or the person instead of it. */
@media (max-width: 760px) {
  .page.book { display: block; max-width: 480px; }
  .book .side { width: auto; border-right: 0; padding-right: 0; }
  .book.has-detail .side { display: none; }
  .book:not(.has-detail) .detail { display: none; }
  .detail-page { padding: 4px 0 0; max-width: none; }
  .narrow-only { display: flex; }
}

/* ---- the signal ---- */
.overlay { position: fixed; inset: 0; pointer-events: none; z-index: 1000; overflow: hidden; }
.overlay .glow { position: absolute; inset: 0; opacity: 0; }
.overlay .emoji { position: absolute; left: 0; line-height: 1; will-change: transform, opacity; opacity: 0; }