:root {
  --bg: #fff7ea;
  --panel: #fffdf8;
  --tint: #fbf0dc;
  --ink: #2c2541;
  --muted: #857c98;
  --line: #f0e3cc;
  --dot: #e9d6b4;
  --accent: #ffd166;
  --live: #22a974;
  --warn: #e9940f;
  --off: #a49db3;
  --danger: #e0544b;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1730;
    --panel: #221e3b;
    --tint: #2c2749;
    --ink: #f2eeff;
    --muted: #a49cc2;
    --line: #352f58;
    --dot: #3b3463;
    --danger: #ff7a70;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.4 Nunito, ui-rounded, system-ui, -apple-system, "Segoe UI", sans-serif;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

h1 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 19px;
  font-weight: 800;
}

/* Three little notes, in the board's colors. */
.logo {
  position: relative;
  width: 26px;
  height: 22px;
}

.logo i {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.15);
}

.logo i:nth-child(1) {
  left: 0;
  top: 6px;
  background: #a0c4ff;
  transform: rotate(-10deg);
}

.logo i:nth-child(2) {
  left: 11px;
  top: 7px;
  background: #ffadad;
  transform: rotate(8deg);
}

.logo i:nth-child(3) {
  left: 5px;
  top: 0;
  background: #ffd166;
  transform: rotate(-2deg);
}

.how {
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--panel);
  font-weight: 700;
  text-decoration: none;
}

.how:hover {
  opacity: 0.85;
}

.chips,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.actions {
  margin-left: auto;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--tint);
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.chip b {
  color: var(--ink);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.chip i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--off);
}

#status[data-state="live"] i {
  background: var(--live);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--live) 25%, transparent);
}

#status[data-state="reconnecting"] i,
#status[data-state="connecting"] i {
  background: var(--warn);
  animation: pulse 1s infinite;
}

#pending-chip[data-some] {
  border-color: var(--warn);
}

@keyframes pulse {
  50% {
    opacity: 0.3;
  }
}

button {
  font: inherit;
  font-weight: 700;
  padding: 5px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  transition:
    transform 0.1s,
    border-color 0.1s;
}

button:hover {
  border-color: var(--muted);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

button[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--panel);
}

#add {
  border-color: transparent;
  background: var(--accent);
  color: #2c2541;
  box-shadow: 0 2px 0 #e0ae3c;
}

button.danger {
  color: var(--danger);
}

/* The server says whether this tab can edit (data-mode is "edit" or
   "read-only"). Until it does, neither shows. */
body:not([data-mode="edit"]) #add,
body:not([data-mode="edit"]) .note .delete,
body:not([data-mode="edit"]) .editing,
body:not([data-mode="read-only"]) .own-copy {
  display: none;
}
body:not([data-mode="edit"]) .note {
  cursor: default;
}

.own-copy p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.45;
}
a.button {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.1s;
}
a.button:hover {
  transform: translateY(-1px);
}
a.button.primary {
  background: var(--accent);
  color: #2c2541;
  box-shadow: 0 2px 0 #e0ae3c;
}
#unlock {
  margin: 14px 0 16px;
  font-size: 12px;
}
#unlock summary {
  color: var(--muted);
  cursor: pointer;
}
#unlock form {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
#unlock input {
  flex: 1;
  min-width: 0;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}
#unlock .hint {
  flex-basis: 100%;
  margin: 0;
  color: var(--danger);
}
button.link {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font-size: inherit;
  text-decoration: underline;
}
button.link:hover {
  transform: none;
}

main {
  flex: 1;
  display: flex;
  min-height: 0;
}

#viewport {
  flex: 1;
  overflow: auto;
}

#board {
  position: relative;
  width: 2400px;
  height: 1600px;
  background-image: radial-gradient(var(--dot) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
}

.note {
  position: absolute;
  width: 180px;
  min-height: 120px;
  padding: 26px 14px 14px;
  border-radius: 6px;
  color: #2c2541;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.12), 0 8px 18px rgb(60 40 20 / 0.12);
  cursor: grab;
  touch-action: none;
  transform: rotate(var(--tilt, 0deg));
  transition:
    left 0.15s,
    top 0.15s,
    transform 0.15s,
    box-shadow 0.15s,
    opacity 0.2s;
}

/* A strip of tape. */
.note::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  width: 56px;
  height: 18px;
  margin-left: -28px;
  border-radius: 2px;
  background: rgb(255 255 255 / 0.55);
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.08);
  transform: rotate(-3deg);
}

.note:hover {
  box-shadow: 0 2px 4px rgb(0 0 0 / 0.12), 0 12px 24px rgb(60 40 20 / 0.16);
}

.note.dragging {
  transition: none;
  cursor: grabbing;
  z-index: 10;
  transform: rotate(0deg) scale(1.04);
  box-shadow: 0 4px 8px rgb(0 0 0 / 0.12), 0 18px 32px rgb(60 40 20 / 0.2);
}

.note.pending {
  opacity: 0.6;
}

/* Changed by someone else (app.js sets --by to their color). */
.note.flash {
  animation: flash 0.7s ease-out;
}

@keyframes flash {
  from {
    box-shadow: 0 0 0 5px var(--by), 0 8px 18px rgb(60 40 20 / 0.12);
  }
}

.note.gone {
  animation: gone 0.3s ease-in forwards;
  pointer-events: none;
}

@keyframes gone {
  to {
    opacity: 0;
    transform: rotate(var(--tilt, 0deg)) scale(0.85);
  }
}

@media (prefers-reduced-motion: reduce) {
  .note.flash,
  .note.gone {
    animation-duration: 0.01s;
  }
}

.note .text {
  outline: none;
  min-height: 80px;
  font: 18px/1.3 "Patrick Hand", "Comic Sans MS", cursive;
  white-space: pre-wrap;
  word-break: break-word;
  cursor: text;
}

.note .delete {
  position: absolute;
  top: 4px;
  right: 4px;
  padding: 0 7px;
  border: 0;
  background: none;
  color: rgb(0 0 0 / 0.4);
  font-size: 16px;
}

.note .delete:hover {
  color: rgb(0 0 0 / 0.75);
}

aside {
  width: 290px;
  overflow: auto;
  padding: 12px 16px;
  border-left: 1px solid var(--line);
  background: var(--panel);
}

h2 {
  margin: 10px 0 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

aside ul,
aside ol {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

aside li {
  padding: 5px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 12px;
}

aside li small {
  color: var(--muted);
}

.hint {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12px;
}

.invite,
.speed {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}

.invite button,
.speed button,
.bot button {
  padding: 2px 9px;
  font-size: 12px;
}

.speed span {
  margin-right: 2px;
  color: var(--muted);
  font-size: 12px;
  align-self: center;
}

.invite button {
  background: var(--tint);
  border-color: transparent;
}

button:disabled,
button[aria-disabled="true"] {
  opacity: 0.4;
  cursor: default;
  transform: none;
}

/* A tooltip that also shows for a disabled button, and on keyboard focus. */
.has-tip {
  position: relative;
}

.tip {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 20;
  width: max-content;
  max-width: min(300px, calc(100vw - 32px));
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--panel);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.2);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.45;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition:
    opacity 0.15s,
    transform 0.15s,
    visibility 0.15s;
  pointer-events: none;
}

.tip code {
  padding: 1px 5px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--panel) 18%, transparent);
  font-size: 11.5px;
}

.has-tip:hover .tip,
.has-tip:focus-within .tip {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.bot > div {
  display: flex;
  align-items: center;
  gap: 4px;
}

.bot .toggle {
  min-width: 64px;
  color: var(--muted);
}

.bot .toggle[data-on="true"] {
  border-color: transparent;
  background: color-mix(in srgb, var(--live) 18%, var(--panel));
  color: var(--live);
}

.bot .where {
  flex: 1;
}

.bot.left {
  opacity: 0.55;
}

.bot .state {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--off);
}

.bot .state[data-state="live"] {
  background: var(--live);
}

.bot .state[data-state="reconnecting"],
.bot .state[data-state="connecting"] {
  background: var(--warn);
}

.swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 6px;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--panel), 0 0 0 3px var(--line);
}

#toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--panel);
  font-weight: 600;
  opacity: 0;
  transition:
    opacity 0.2s,
    transform 0.2s;
  pointer-events: none;
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%);
}

@media (max-width: 720px) {
  aside {
    display: none;
  }

  .actions {
    margin-left: 0;
  }
}