/* A published sheet, and the little pages round it: paper, ink, a strip of tape. The same
   stationery as the app and its site. White, or dark: the visitor's system decides, unless they
   chose with the sheet's sun-and-moon button (theme.js puts their choice on <html>). */
:root {
  color-scheme: light;
  --ink: #1f1b18;
  --paper: #ffffff;
  --card: #fffaf1;
  --washi: #f2e4cc;
  --field: #ffffff;
  --tape: #ffd34d;
  --on-tape: #1f1b18;
  --shu: #d6542b;
  /* The sheet's own background and its dot grid (viewer.ts draws them). */
  --sheet: #ffffff;
  --dot: rgba(51, 51, 51, 0.32);
  /* Shadows and the little pages' dots, as r, g, b. */
  --shade: 31, 27, 24;
  --rounded: ui-rounded, "SF Pro Rounded", "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
  --hand: "Chalkboard SE", "Comic Neue", "Patrick Hand", "Comic Sans MS", var(--rounded);
  --edge: 1.6px solid var(--ink);
  --drop: 3px 3px 0 rgba(var(--shade), 0.18);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ink: #f1ebe2;
    --paper: #1b1a19;
    --card: #282624;
    --washi: #3a3631;
    --field: #1f1e1c;
    --shu: #f07a52;
    --sheet: #1b1a19;
    --dot: rgba(255, 255, 255, 0.28);
    --shade: 0, 0, 0;
  }
  :root:not([data-theme="light"]) .theme .moon { display: none; }
  :root:not([data-theme="light"]) .theme .sun { display: block; }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f1ebe2;
  --paper: #1b1a19;
  --card: #282624;
  --washi: #3a3631;
  --field: #1f1e1c;
  --shu: #f07a52;
  --sheet: #1b1a19;
  --dot: rgba(255, 255, 255, 0.28);
  --shade: 0, 0, 0;
}
:root[data-theme="dark"] .theme .moon { display: none; }
:root[data-theme="dark"] .theme .sun { display: block; }
.theme .sun { display: none; }

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--paper); color: var(--ink); font: 600 15px/1.45 var(--rounded); -webkit-font-smoothing: antialiased; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
:focus-visible { outline: 2.5px solid #2f4ea8; outline-offset: 2px; }

/* --- The sheet --- */

body.board { overflow: hidden; overscroll-behavior: none; }
#sheet { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; }
#sheet.grabbing { cursor: grabbing; }
#sheet.link { cursor: pointer; }
body.placing #sheet { cursor: crosshair; }

.bar { position: fixed; left: 0; right: 0; display: flex; align-items: center; gap: 8px; padding: 12px max(12px, env(safe-area-inset-left)); pointer-events: none; }
.bar.top { top: 0; padding-top: max(12px, env(safe-area-inset-top)); }
.bar.bottom { bottom: 0; padding-bottom: max(12px, env(safe-area-inset-bottom)); }
.bar > * { pointer-events: auto; }
.grow { flex: 1; }

.chip {
  display: inline-flex; align-items: center; gap: 7px; min-height: 36px; margin: 0; padding: 6px 12px;
  background: var(--card); color: var(--ink); border: var(--edge); border-radius: 12px; box-shadow: var(--drop);
  font: 800 14px/1.2 var(--rounded); text-decoration: none; white-space: nowrap;
}
.chip.brand { padding: 6px 8px; }
.chip.name { min-width: 0; max-width: min(46vw, 420px); display: block; overflow: hidden; text-overflow: ellipsis; line-height: 21px; }
.chip.loud { background: var(--tape); color: var(--on-tape); border-color: var(--on-tape); }
.chip.quiet { background: var(--card); }
.chip.mark { font-size: 12.5px; min-height: 32px; padding: 4px 10px; }
button.chip { transition: transform 0.08s ease, box-shadow 0.08s ease; }
button.chip:hover, a.chip:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 rgba(var(--shade), 0.22); }
button.chip:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 rgba(var(--shade), 0.22); }
button.chip:disabled { opacity: 0.45; cursor: default; transform: none; box-shadow: var(--drop); }
#toggle-notes[aria-pressed="false"] { background: var(--washi); opacity: 0.75; }
body.placing #leave-note { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.chip.zoom { padding: 0; gap: 0; overflow: hidden; }
.chip.zoom button { height: 34px; min-width: 36px; padding: 0 8px; border: 0; background: none; font: 800 15px/1 var(--rounded); display: grid; place-items: center; }
.chip.zoom button:hover { background: var(--washi); }
#zoom-level { min-width: 58px; font-size: 13px; font-variant-numeric: tabular-nums; }
.chip.theme { padding: 6px 9px; }
.chip.zoom .rule { width: 1.6px; align-self: stretch; background: var(--ink); opacity: 0.25; }

.chip.hint { position: fixed; left: 50%; top: 64px; transform: translateX(-50%); background: var(--ink); color: var(--paper); border-color: var(--ink); font-size: 13px; max-width: calc(100vw - 24px); white-space: normal; text-align: center; }

.status { position: fixed; inset: 0; display: grid; place-content: center; justify-items: center; gap: 14px; text-align: center; padding: 24px; pointer-events: none; font: 700 16px/1.4 var(--hand); }
.status p { margin: 0; max-width: 28ch; }
.loading { display: flex; gap: 8px; }
.loading span { width: 12px; height: 12px; border-radius: 50%; background: var(--ink); animation: hop 0.9s ease-in-out infinite; }
.loading span:nth-child(2) { animation-delay: 0.12s; background: #2f4ea8; }
.loading span:nth-child(3) { animation-delay: 0.24s; background: #e64d80; }
@keyframes hop { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-9px); } }

/* --- Notes people leave --- */

#pins { position: fixed; inset: 0; pointer-events: none; overflow: hidden; }
body.no-notes #pins .pin:not(.ghost) { display: none; }

.pin {
  position: absolute; left: 0; top: 0; width: 30px; height: 30px; margin: -30px 0 0 0; padding: 0;
  display: grid; place-items: center; pointer-events: auto;
  background: var(--ink, #2f4ea8); color: #fff; border: 2px solid #fff; border-radius: 15px 15px 15px 3px;
  box-shadow: 0 0 0 1.4px var(--ink-edge, #1f1b18), 2px 3px 0 rgba(var(--shade), 0.25);
  font: 800 13px/1 var(--rounded); will-change: transform;
}
.pin::after { content: ""; position: absolute; inset: -7px; }
.pin:hover, .pin.reading { filter: brightness(1.12); z-index: 2; }
.pin.reading { box-shadow: 0 0 0 1.4px #1f1b18, 0 0 0 5px rgba(255, 211, 77, 0.9); }
.pin.ghost { background: var(--tape); border-color: var(--on-tape); box-shadow: 2px 3px 0 rgba(var(--shade), 0.25); pointer-events: none; animation: land 0.18s ease-out; }
@keyframes land { from { margin-top: -44px; opacity: 0; } }

.card {
  position: absolute; left: 0; top: 0; width: min(300px, calc(100vw - 16px)); padding: 12px 14px 14px; pointer-events: auto; z-index: 3;
  background: var(--card); border: var(--edge); border-radius: 14px; box-shadow: var(--drop);
}
.card header { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.card strong { font: 800 14px/1.3 var(--rounded); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card time { flex: 1; font: 600 12px/1.3 var(--rounded); opacity: 0.6; white-space: nowrap; }
.card .shut { width: 26px; height: 26px; margin: -4px -6px -4px 0; border: 0; border-radius: 8px; background: none; font: 700 20px/1 var(--rounded); }
.card .shut:hover { background: var(--washi); }
.card p { margin: 0; font: 400 16px/1.45 var(--hand); white-space: pre-wrap; overflow-wrap: anywhere; max-height: min(46vh, 340px); overflow-y: auto; }

.card.writing { display: grid; gap: 8px; }
.card input, .card textarea, .slip input {
  width: 100%; padding: 8px 10px; background: var(--field); border: var(--edge); border-radius: 10px; font: 600 15px/1.4 var(--rounded);
}
.card textarea { resize: vertical; min-height: 92px; max-height: 40vh; font: 400 16px/1.4 var(--hand); }
.card footer { display: flex; align-items: center; gap: 8px; }
.card .left { flex: 1; font: 700 12px/1 var(--rounded); opacity: 0.6; font-variant-numeric: tabular-nums; }
.card .left.over { color: var(--shu); opacity: 1; }
.card footer .chip { min-height: 32px; padding: 4px 12px; font-size: 13px; }
.wrong { margin: 0; color: var(--shu); font: 700 13px/1.35 var(--rounded) !important; }

/* --- The little pages: a password, nothing here, hello --- */

body.paper {
  background:
    radial-gradient(var(--dot) 1.1px, transparent 1.3px) 0 0 / 24px 24px,
    var(--paper);
}
.desk { min-height: 100%; display: grid; place-content: center; justify-items: center; gap: 22px; padding: 32px 16px; }
.slip {
  position: relative; width: min(400px, calc(100vw - 32px)); padding: 34px 28px 28px; display: grid; gap: 12px; justify-items: start;
  background: var(--card); border: var(--edge); border-radius: 16px; box-shadow: 5px 5px 0 rgba(var(--shade), 0.16); transform: rotate(-0.6deg);
}
.tape {
  position: absolute; left: 50%; top: -13px; width: 112px; height: 26px; transform: translateX(-50%) rotate(-2deg);
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.35) 0 6px, transparent 6px 14px), var(--tape); opacity: 0.92;
}
.lock { width: 52px; height: 52px; display: grid; place-items: center; background: var(--washi); border: var(--edge); border-radius: 14px; }
.lock svg { width: 30px; height: 30px; }
.slip h1 { margin: 2px 0 0; font: 900 24px/1.2 var(--rounded); overflow-wrap: anywhere; }
.slip p { margin: 0; font: 500 15px/1.5 var(--rounded); opacity: 0.8; }
.slip label { margin-top: 6px; font: 800 13px/1 var(--rounded); }
.slip input[aria-invalid="true"] { border-color: var(--shu); }
.slip .wrong { opacity: 1; }
.slip .chip { margin-top: 6px; min-height: 42px; padding: 8px 18px; font-size: 15px; }
.made { display: inline-flex; align-items: center; gap: 7px; color: var(--ink); text-decoration: none; font: 800 13px/1 var(--rounded); opacity: 0.6; }
.made:hover { opacity: 1; }

@media (max-width: 560px) {
  #leave-note span, .chip.mark span { display: none; }
  .chip.mark { padding: 4px 8px; }
  .chip.name { max-width: 40vw; }
  #zoom-level { min-width: 50px; }
}
@media (prefers-reduced-motion: reduce) {
  .loading span, .pin.ghost { animation: none; }
  button.chip { transition: none; }
}

/* --- A site: an account's page, its public sheets as cards --- */

main.site { max-width: 1080px; margin: 0 auto; padding: 56px 20px 80px; }
main.site header { margin-bottom: 32px; }
main.site h1 { font: 800 36px/1.1 var(--rounded); margin: 0 0 10px; }
main.site header p { max-width: 640px; margin: 0; opacity: 0.75; white-space: pre-line; }
main.site .links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
main.site .links a { padding: 5px 12px; background: var(--card); border: var(--edge); border-radius: 999px; color: inherit; font-size: 14px; text-decoration: none; transition: transform 0.15s; }
main.site .links a:hover { background: var(--tape); color: var(--on-tape); transform: rotate(-1deg); }
main.site .cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 26px; }
main.site .card { position: relative; display: flex; flex-direction: column; gap: 6px; padding: 12px 12px 14px; background: var(--card); border: var(--edge); border-radius: 10px; box-shadow: var(--drop); color: inherit; text-decoration: none; transition: transform 0.15s; }
main.site .card:hover { transform: rotate(-0.6deg) translateY(-2px); }
main.site .card .tape { position: absolute; top: -9px; left: 50%; width: 64px; height: 18px; margin-left: -32px; background: var(--tape); opacity: 0.8; transform: rotate(-3deg); }
main.site .card img, main.site .card .blank { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 6px; background: var(--washi); }
main.site .card strong { font-size: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
main.site .card time { font-size: 12.5px; opacity: 0.6; }
main.site .empty { opacity: 0.6; }
main.site .made { display: inline-flex; align-items: center; gap: 6px; margin-top: 48px; color: inherit; opacity: 0.7; text-decoration: none; font-size: 13px; }