/* Cyanotypie: the sheet is Berliner Blau with light ink, like a sun print; the tools sit on cool paper around it. */

@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('/fonts/bricolage-grotesque-latin-ext.woff2') format('woff2');
  font-weight: 400 800;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('/fonts/bricolage-grotesque-latin.woff2') format('woff2');
  font-weight: 400 800;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Instrument Serif';
  src: url('/fonts/instrument-serif.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Instrument Serif';
  src: url('/fonts/instrument-serif-italic.ttf') format('truetype');
  font-style: italic;
  font-display: swap;
}

:root {
  --blue: #1d3a6b;
  --blue-deep: #132a50;
  --line: #f3f6fb;
  --line-soft: #bccbe2;
  --saffron: #f4b740;
  --paper: #eef2f7;
  --card: #ffffff;
  --ink: #14213a;
  --ink-soft: #4b5a73;
  --rule: #ccd5e2;
  --danger: #a3301d;
  --focus: #f4b740;
  --serif: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  --sans: 'Bricolage Grotesque', system-ui, sans-serif;
  --panel-w: 330px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--paper);
  color: var(--ink);
  font: 400 15px/1.45 var(--sans);
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }

button, input, select { font: inherit; color: inherit; }
button {
  cursor: pointer;
  border: 1px solid var(--rule);
  background: var(--card);
  border-radius: 8px;
  padding: 7px 12px;
  font-weight: 560;
  line-height: 1.2;
  transition: background-color .15s, border-color .15s;
}
button:hover:not(:disabled) { border-color: var(--ink-soft); }
button:disabled { cursor: not-allowed; opacity: .45; }
button.primary { background: var(--blue); border-color: var(--blue); color: var(--line); }
button.primary:hover:not(:disabled) { background: var(--blue-deep); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

/* ---- header ---- */

.bar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.mark {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--blue);
  text-decoration: none;
}
.mark svg { width: 38px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2.5; }
.mark span { font: italic 400 28px/1 var(--serif); letter-spacing: -.01em; }
.promise {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  padding-left: 18px;
  border-left: 1px solid var(--rule);
}
.tools { margin-left: auto; display: flex; gap: 8px; align-items: center; }

.menu { position: relative; }
.menu summary {
  list-style: none;
  cursor: pointer;
  border: 1px solid var(--rule);
  background: var(--card);
  border-radius: 8px;
  padding: 7px 12px;
  font-weight: 560;
  line-height: 1.2;
}
.menu summary::-webkit-details-marker { display: none; }
.menu summary::after { content: ' ▾'; font-size: .8em; color: var(--ink-soft); }
.menu-list {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 20;
  display: grid;
  min-width: 230px;
  padding: 6px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  box-shadow: 0 12px 30px -12px rgb(19 42 80 / .35);
}
.menu-list button { border: 0; text-align: left; background: none; font-weight: 450; }
.menu-list button:hover:not(:disabled) { background: var(--paper); }
.menu-list .check { display: flex; gap: 8px; align-items: center; padding: 8px 12px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); margin: 4px 0; }
.menu-list #clear { color: var(--danger); }

/* ---- the sheet ---- */

.desk {
  display: grid;
  grid-template-columns: 1fr auto;
  min-height: 0;
}
.sheet {
  position: relative;
  min-height: 0;
  margin: 14px;
  border-radius: 4px;
  overflow: hidden;
  background: radial-gradient(120% 90% at 30% 20%, #24467f 0%, var(--blue) 45%, var(--blue-deep) 100%);
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / .06), 0 20px 40px -24px rgb(19 42 80 / .6);
}
/* Paper grain: an SVG noise texture, inline so the CSP keeps holding. */
.sheet::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
#canvas { display: block; width: 100%; height: 100%; touch-action: none; cursor: grab; user-select: none; -webkit-user-select: none; }
#canvas.panning { cursor: grabbing; }
#canvas .dot { fill: rgb(243 246 251 / .16); }
#canvas .paper { fill: url(#grid); }
#canvas .person { cursor: pointer; }
#canvas .person:focus { outline: none; }
#canvas .person:focus-visible > :first-child { stroke: var(--saffron); }
#canvas .hit { cursor: pointer; }
#canvas text { font-family: var(--sans); }

/* ---- empty state ---- */

.empty {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  justify-items: start;
  padding: 24px clamp(16px, 8vw, 120px);
  color: var(--line);
  max-width: 760px;
}
.empty h1 {
  margin: 0 0 14px;
  font: 400 clamp(40px, 6vw, 72px)/.98 var(--serif);
  letter-spacing: -.015em;
}
.empty p { margin: 0 0 26px; max-width: 46ch; color: var(--line-soft); font-size: 17px; }
.empty-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.empty .primary { background: var(--saffron); border-color: var(--saffron); color: var(--blue-deep); padding: 11px 18px; }
.empty .primary:hover { background: #ffc85c; }
.empty button:not(.primary) { background: transparent; border-color: rgb(243 246 251 / .4); color: var(--line); padding: 11px 18px; }
.empty button:not(.primary):hover { border-color: var(--line); }

/* ---- floating bits on the sheet ---- */

.hint {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  margin: 0;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 8px 8px 8px 16px;
  border-radius: 999px;
  background: var(--saffron);
  color: var(--blue-deep);
  font-weight: 600;
  white-space: nowrap;
}
.hint button { border: 0; background: rgb(19 42 80 / .12); border-radius: 999px; padding: 5px 12px; }

.zoom {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 3;
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: 10px;
  background: rgb(19 42 80 / .75);
  backdrop-filter: blur(6px);
}
.zoom button { border: 0; background: transparent; color: var(--line); min-width: 36px; }
.zoom button:hover { background: rgb(243 246 251 / .12); }

/* ---- side panel ---- */

.panel {
  width: var(--panel-w);
  margin: 14px 14px 14px 0;
  padding: 18px 18px 22px;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  animation: slide-in .18s ease-out;
}
@keyframes slide-in { from { transform: translateX(12px); opacity: 0; } }
.panel-head { display: flex; justify-content: space-between; align-items: start; gap: 12px; margin-bottom: 14px; }
.panel-head h2 { margin: 0; font: 400 30px/1.05 var(--serif); overflow-wrap: anywhere; }
.panel-head p { margin: 4px 0 0; color: var(--ink-soft); font-size: 13px; }
.close { border: 0; background: none; font-size: 24px; line-height: 1; padding: 2px 8px; color: var(--ink-soft); }
.panel h3 { margin: 24px 0 8px; padding-top: 14px; border-top: 1px solid var(--rule); font-size: 13px; font-weight: 650; color: var(--ink-soft); }

.field { display: grid; gap: 4px; margin-bottom: 12px; }
.field > span { font-weight: 600; font-size: 14px; }
.field small { color: var(--ink-soft); font-size: 12.5px; }
.field input, .field select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--paper);
}
.field input:focus, .field select:focus { background: var(--card); border-color: var(--blue); }

fieldset { border: 0; padding: 0; margin: 0 0 12px; }
legend { font-weight: 600; font-size: 14px; margin-bottom: 6px; padding: 0; }
.opt { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.opt input { accent-color: var(--blue); margin: 0; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.seg legend { grid-column: 1 / -1; }
.seg.three { grid-template-columns: repeat(3, 1fr); }
/* Segmented buttons: the radio stays for keyboard and screen readers, only the dot is hidden. */
.seg .opt { position: relative; justify-content: center; font-size: 14px; }
.seg .opt input { position: absolute; opacity: 0; pointer-events: none; }
.seg .opt:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: 2px; }
.seg .opt:has(input:checked) { font-weight: 650; }
.seg .opt, .stack .opt { padding: 7px 10px; border: 1px solid var(--rule); border-radius: 8px; }
.seg .opt:has(input:checked), .stack .opt:has(input:checked) { border-color: var(--blue); background: #e5ecf6; }
.stack { display: grid; gap: 6px; }
.tie-icon { width: 48px; height: 20px; flex: none; }

.checks { display: flex; gap: 18px; margin: 4px 0 12px; }
.checks label { display: flex; gap: 6px; align-items: center; cursor: pointer; }
.checks input { accent-color: var(--blue); }

.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.actions button { font-size: 13.5px; padding: 9px 8px; }
.actions .wide { grid-column: 1 / -1; }
.danger { margin-top: 18px; width: 100%; color: var(--danger); background: none; border-color: transparent; }
.danger:hover:not(:disabled) { border-color: var(--danger); }
.note { color: var(--ink-soft); font-size: 12.5px; margin: 6px 0 0; }
.note.first { margin: -6px 0 14px; }
.row { display: grid; grid-template-columns: 1fr 76px; gap: 8px; }
.row .field:only-child { grid-column: 1 / -1; }
.panel h3:first-of-type { margin-top: 16px; }
.actions button { font-weight: 600; }

/* ---- toast and footer ---- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 44px;
  z-index: 30;
  margin: 0;
  display: flex;
  gap: 12px;
  align-items: center;
  max-width: calc(100vw - 32px);
  padding: 10px 12px 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--line);
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.toast.on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.toast:empty { display: none; }
.toast button { background: var(--saffron); border-color: var(--saffron); color: var(--blue-deep); padding: 5px 10px; }

.foot { display: flex; gap: 16px; justify-content: flex-end; padding: 0 16px 10px; font-size: 12.5px; }
.foot a { color: var(--ink-soft); }

/* ---- small screens: the panel becomes a bottom sheet ---- */

@media (max-width: 860px) {
  .promise { display: none; }
  #undo, #redo { font-size: 0; padding: 7px 10px; }
  #undo::before { content: '↶'; font-size: 18px; }
  #redo::before { content: '↷'; font-size: 18px; }
}
@media (max-width: 720px) {
  .bar { gap: 10px; padding: 8px 16px; }
  .mark span { font-size: 24px; }
  .mark svg { display: none; }
  .tools { gap: 6px; }
  .desk { grid-template-columns: 1fr; }
  .sheet { margin: 0 8px 8px; }
  .panel {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 25;
    width: auto;
    max-height: 62vh;
    margin: 0;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -16px 40px -20px rgb(19 42 80 / .5);
    animation-name: slide-up;
  }
  @keyframes slide-up { from { transform: translateY(24px); opacity: 0; } }
  .empty h1 { font-size: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---- legal pages ---- */

.page { max-width: 68ch; margin: 0 auto; padding: 32px 16px 48px; }
.page h1 { font: 400 48px/1 var(--serif); color: var(--blue); margin: 24px 0 20px; }
.page h2 { font-size: 17px; margin: 28px 0 6px; }
.page a { color: var(--blue); }