:root {
  color-scheme: light;
  --paper: #f4f1e9;
  --ink: #18332d;
  --muted: #68736e;
  --line: #d7d8cf;
  --green: #164f42;
  --lime: #c8e54e;
  --white: #fffef9;
  --serif: "Iowan Old Style", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans: Inter, "Helvetica Neue", "Hiragino Kaku Gothic ProN", sans-serif;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 4%, rgb(200 229 78 / 13%), transparent 26rem),
    var(--paper);
  font-family: var(--sans);
  min-height: 100vh;
}
button,
textarea {
  font: inherit;
}
button {
  color: inherit;
}

.topbar {
  height: 76px;
  padding: 0 max(24px, calc((100vw - 1040px) / 2));
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
  font: 700 24px/1 var(--serif);
  letter-spacing: -.04em;
}
.brand-mark {
  width: 38px;
  height: 34px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand-mark::after {
  content: "";
  position: absolute;
  width: 34px;
  height: 24px;
  border: 2px solid var(--green);
  border-radius: 50%;
  bottom: 3px;
}
.brand-mark i {
  z-index: 1;
  color: var(--green);
  font: 800 23px/1 var(--serif);
}
.brand-mark b {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
  z-index: 2;
}
.brand-mark b:nth-of-type(1) {
  left: 0;
  top: 4px;
}
.brand-mark b:nth-of-type(2) {
  right: 0;
  bottom: 1px;
}
.brand small,
.brand-mini small {
  display: block;
  margin-top: 4px;
  font: 600 8px/1 var(--sans);
  letter-spacing: .16em;
}
.account,
.feed-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}
#user-label {
  color: var(--muted);
  font-size: 12px;
}
.room-panel {
  margin-bottom: 48px;
}
.room-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 18px;
}
.room-heading h2 {
  margin: 0;
  font: 600 28px/1.3 var(--serif);
}
.rooms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}
.room {
  padding: 16px;
  border: 1px solid var(--line);
  background: rgb(255 254 249 / 55%);
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.room strong,
.room span {
  display: block;
}
.room span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
}
.room:hover,
.room.active {
  border-color: var(--green);
  background: var(--white);
}
.room.active {
  box-shadow: inset 4px 0 var(--lime);
}
.current-room {
  margin: 0 0 16px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.current-room span {
  color: var(--muted);
  font-size: 11px;
}
.current-room h2 {
  margin: 0;
  font: 600 24px var(--serif);
}
.reply-target {
  position: relative;
  margin: -8px 0 18px;
  padding: 11px 42px 11px 14px;
  border-left: 3px solid var(--lime);
  background: #edf1df;
}
.reply-target span,
.reply-target strong {
  display: block;
}
.reply-target span {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
}
.reply-target strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font: 500 13px var(--serif);
}
.reply-target button {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  cursor: pointer;
}
dialog {
  width: min(430px, calc(100% - 28px));
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  box-shadow: 8px 8px 0 rgb(22 79 66 / 18%);
}
dialog::backdrop {
  background: rgb(16 31 27 / 55%);
}
dialog h2 {
  margin: 0 0 22px;
  font: 600 26px var(--serif);
}
dialog form,
dialog label {
  display: grid;
  gap: 8px;
}
dialog form {
  gap: 16px;
}
dialog input {
  width: 100%;
  padding: 11px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: inherit;
  font: inherit;
}
.dialog-close {
  position: absolute;
  right: 14px;
  top: 12px;
  border: 0;
  background: transparent;
  font-size: 22px;
  cursor: pointer;
}
.dialog-actions {
  display: flex;
  gap: 8px;
}
.auth-link {
  padding: 5px 2px;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  font: 650 12px var(--sans);
  cursor: pointer;
}
.auth-link:hover {
  border-bottom-color: currentColor;
}
.source-link {
  color: var(--muted);
  text-decoration: none;
}
.source-link:hover {
  color: var(--ink);
  text-decoration: underline;
}
.secondary {
  padding: 10px 16px;
  border: 1px solid var(--green);
  background: transparent;
  color: var(--green);
  font-weight: 700;
  cursor: pointer;
}
.hint {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.text-button {
  padding: 5px 2px;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  color: var(--green);
  cursor: pointer;
}
.current-room {
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.room-qr {
  display: block;
  width: min(230px, 70vw);
  margin: 0 auto 22px;
}

/* Dense SVG map: text nodes and their relationships are the visual interface. */
.notes {
  min-height: 180px;
  overflow: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
#graph {
  display: block;
  min-width: 100%;
}
.graph-edge {
  fill: none;
  stroke: #bbc4bf;
  stroke-width: 1.25;
}
.graph-node {
  cursor: pointer;
}
.graph-node rect {
  fill: var(--white);
  stroke: #b9c1bc;
  stroke-width: 1;
}
.graph-node:hover rect,
.graph-node:focus rect {
  fill: #f0f3e7;
  stroke: var(--green);
  outline: none;
}
.graph-node text {
  fill: var(--ink);
  font: 500 12px var(--sans);
  pointer-events: none;
}
.graph-node .graph-meta {
  fill: var(--muted);
  font-size: 9px;
}
.graph-node.mood-idea rect {
  stroke: #b49b43;
}
.graph-node.mood-question rect {
  stroke: #7f98b6;
}
.graph-node.mood-agree rect {
  stroke: #8ca175;
}
.room-view .intro,
.room-view .room-panel {
  display: none;
}
.room-view main {
  width: min(1180px, calc(100% - 36px));
}
.room-view #room-content {
  padding-top: 34px;
}
.room-view .composer {
  max-width: 720px;
  padding: 16px 20px 12px;
  box-shadow: none;
}
.room-view .composer textarea {
  min-height: 48px;
  font-size: 15px;
}
.room-view .feed {
  padding: 38px 0 70px;
}
}
.view-button,
.icon-button {
  border: 1px solid var(--line);
  border-radius: 99px;
  background: transparent;
  cursor: pointer;
}
.view-button {
  padding: 10px 15px;
  font-weight: 650;
}
.view-button[aria-pressed="true"] {
  background: var(--green);
  color: white;
  border-color: var(--green);
}

main {
  width: min(760px, calc(100% - 36px));
  margin: 0 auto;
}
.intro {
  padding: 88px 0 52px;
}
.eyebrow {
  margin: 0 0 13px;
  color: #527168;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
}
h1 {
  margin: 0;
  max-width: 650px;
  font: 500 clamp(44px, 8vw, 76px)/1.03 var(--serif);
  letter-spacing: -.055em;
}
h1 em {
  color: var(--green);
  font-weight: inherit;
  text-decoration: underline;
  text-decoration-color: var(--lime);
  text-decoration-thickness: 9px;
  text-underline-offset: -3px;
  text-decoration-skip-ink: none;
}
.lead {
  max-width: 550px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.composer {
  background: var(--white);
  border: 1px solid #dedfd5;
  border-radius: 3px;
  padding: 26px 28px 18px;
  box-shadow: 5px 6px 0 #dfe3d0;
}
.composer-heading,
.feed-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.composer h2 {
  margin: 0;
  font: 600 21px/1.4 var(--serif);
}
#counter {
  color: var(--muted);
  font-size: 12px;
}
textarea {
  width: 100%;
  margin-top: 14px;
  padding: 0;
  resize: vertical;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.7;
}
textarea::placeholder {
  color: #a4aaa5;
}
.composer-actions {
  padding-top: 16px;
  border-top: 1px solid #e5e5dd;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
fieldset input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
fieldset span {
  display: block;
  padding: 7px 9px;
  border-radius: 4px;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
}
fieldset input:checked + span {
  background: #e9eddf;
  color: var(--green);
  font-weight: 700;
}
.send {
  flex: none;
  padding: 11px 18px;
  border: 0;
  border-radius: 3px;
  color: white;
  background: var(--green);
  font-weight: 700;
  cursor: pointer;
}
.send:hover {
  background: #0e4036;
}
.send:disabled {
  opacity: .55;
}
.privacy {
  margin: 14px 0 0;
  color: #87908b;
  font-size: 11px;
}
.privacy span {
  color: var(--lime);
  font-size: 8px;
}

.feed {
  padding: 72px 0 90px;
}
.feed-heading {
  margin-bottom: 23px;
}
.feed h2 {
  margin: 0;
  font: 600 28px/1.3 var(--serif);
}
.icon-button {
  width: 38px;
  height: 38px;
  font-size: 20px;
}
.icon-button:hover {
  background: var(--white);
}
.notes {
  display: grid;
  gap: 11px;
}
.notes[aria-busy="true"] {
  opacity: .58;
}
.note {
  position: relative;
  padding: 22px 22px 17px;
  background: rgb(255 254 249 / 70%);
  border: 1px solid var(--line);
  border-left: 3px solid #b6bcb7;
  transition: transform .15s ease, background .15s ease;
}
.note:hover {
  transform: translateY(-1px);
  background: var(--white);
}
.note-idea {
  border-left-color: #e0bc39;
}
.note-question {
  border-left-color: #5b83bb;
}
.note-agree {
  border-left-color: #79a257;
}
.note-meta,
.note-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mood {
  color: #61716b;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
}
.note time {
  color: #979e99;
  font-size: 11px;
}
.note > p {
  margin: 14px 0 19px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 500 17px/1.75 var(--serif);
}
.note-actions {
  justify-content: flex-end;
  gap: 4px;
}
.note-actions button {
  min-width: 40px;
  padding: 6px 9px;
  border: 0;
  border-radius: 99px;
  background: transparent;
  color: #7f8984;
  cursor: pointer;
}
.note-actions button:hover {
  background: #eef0e8;
}
.note-actions button.active {
  color: var(--green);
  background: #e6eddf;
  font-weight: 800;
}
.empty {
  padding: 45px 20px;
  border: 1px dashed #c9ccc3;
  text-align: center;
  color: var(--muted);
  line-height: 1.7;
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  padding: 11px 18px;
  border-radius: 99px;
  background: var(--ink);
  color: white;
  font-size: 13px;
  transition: .2s;
}
.toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}
footer {
  border-top: 1px solid var(--line);
  min-height: 90px;
  padding: 28px max(24px, calc((100vw - 1040px) / 2));
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}
.brand-mini {
  color: var(--ink);
  font: 700 17px var(--serif);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 620px) {
  .topbar {
    height: 64px;
    padding: 0 18px;
  }
  .view-button {
    padding: 9px 11px;
    font-size: 12px;
  }
  main {
    width: min(100% - 28px, 760px);
  }
  .intro {
    padding: 58px 4px 38px;
  }
  .lead {
    font-size: 14px;
  }
  .composer {
    padding: 21px 18px 15px;
  }
  .composer-actions {
    align-items: stretch;
    flex-direction: column;
  }
  .send {
    width: 100%;
  }
  .feed {
    padding-top: 58px;
  }
  footer {
    padding: 25px 18px;
    gap: 18px;
    flex-direction: column;
  }
}

/* Prevent iOS focus zoom and inline-reply overflow. */
@media (max-width: 620px) {
  html,
  body.room-view,
  .room-view #room-content {
    max-width: 100vw;
    overflow-x: hidden;
  }
  .inline-reply {
    width: calc(100% - min(calc(var(--depth) * 12px), 48px));
    max-width: 100%;
    min-width: 0;
    margin-right: 0;
    margin-left: min(calc(var(--depth) * 12px), 48px);
    box-sizing: border-box;
  }
  .inline-reply textarea {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    font-size: 16px;
    touch-action: manipulation;
  }
  .inline-reply button {
    max-width: 100%;
    min-width: 0;
  }
}

/* The root-message input is always present as a compact bottom bar. */
.room-view .composer {
  display: block !important;
  position: fixed;
  z-index: 40;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  min-height: 68px;
  padding: 9px 12px max(9px, env(safe-area-inset-bottom));
  transform: none !important;
  opacity: 1 !important;
  visibility: visible !important;
  background: var(--white);
}
.room-view .composer #post-form {
  display: flex;
  width: min(920px, 100%);
  margin: 0 auto;
  gap: 8px;
  align-items: center;
}
.room-view .composer #memo {
  flex: 1;
  width: auto;
  min-width: 0;
  height: 40px;
  min-height: 40px;
  max-height: 40px;
  margin: 0;
  padding: 10px 12px;
  resize: none;
  line-height: 1.35;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
}
.room-view .composer .composer-actions {
  display: contents;
}
.room-view .composer .send {
  position: static;
  flex: 0 0 auto;
  width: auto;
  min-width: 72px;
  min-height: 44px;
  padding: 9px 14px;
}
.room-view .notes {
  padding-bottom: 84px;
}

@media (max-width: 620px) {
  .room-view .composer {
    min-height: 62px;
    padding: 7px 8px max(7px, env(safe-area-inset-bottom));
  }
  .room-view .composer #memo {
    height: 40px;
    min-height: 40px;
    max-height: 40px;
    padding: 9px 10px;
    font-size: 16px;
  }
  .room-view .composer .send {
    min-width: 60px;
    min-height: 44px;
    padding-inline: 10px;
  }
  .room-view .notes {
    padding-bottom: 74px;
  }
}

.inline-reply textarea {
  height: 40px;
  min-height: 40px;
  max-height: 40px;
  resize: none;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
}

@media (max-width: 620px) {
  .thread-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    min-height: 32px;
    padding: 3px 6px 3px 8px;
  }
  .thread-row > p {
    min-width: 0;
    font-size: 12px;
    line-height: 1.3;
  }
  .thread-row.own > p::after {
    display: none;
  }
  .thread-actions {
    gap: 0;
    justify-content: flex-end;
    margin: 0 0 0 4px;
  }
  .thread-actions button {
    min-height: 26px;
    padding: 1px 2px;
  }
  .thread-actions .action-placeholder,
  .thread-actions button[data-action="edit"] {
    width: 22px;
    flex-basis: 22px;
  }
  .thread-actions button[data-action="like"] {
    width: 34px;
    flex-basis: 34px;
  }
  .thread-actions button[data-action="bookmark"],
  .thread-actions button[data-action="reply"] {
    width: 24px;
    flex-basis: 24px;
  }

  .inline-reply {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: auto;
    min-width: 0;
    margin-left: min(calc(var(--depth) * 14px), 72px);
    padding-inline: 8px;
    overflow: hidden;
  }
  .inline-reply textarea {
    width: 100%;
    min-width: 0;
    font-size: 12px;
    white-space: pre-wrap;
    overflow-x: hidden;
    overflow-y: auto;
    overflow-wrap: anywhere;
  }
  .inline-reply button {
    min-width: 0;
    padding-inline: 3px;
    font-size: 12px;
  }
}

.map-filters {
  display: flex;
  align-items: center;
  gap: 2px;
}
.map-filters button {
  min-height: 32px;
  padding: 5px 10px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: 600 11px var(--sans);
  white-space: nowrap;
  cursor: pointer;
}
.map-filters button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--white);
}
.room-view .notes {
  cursor: grab;
  user-select: none;
}
.room-view .notes.dragging {
  cursor: grabbing;
  scroll-behavior: auto;
}
.node-menu {
  position: fixed;
  z-index: 25;
  right: 24px;
  bottom: 82px;
  width: min(430px, calc(100% - 48px));
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--white);
  box-shadow: 0 12px 38px rgb(17 37 31 / 24%);
}
.node-menu > p {
  max-height: 4.8em;
  margin: 0 30px 14px 0;
  overflow: auto;
  color: var(--ink);
  font: 500 14px/1.6 var(--sans);
}
.node-menu > div {
  display: flex;
  gap: 5px;
}
.node-menu > div button {
  flex: 1;
  min-height: 38px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font: 650 11px var(--sans);
  cursor: pointer;
}
.node-menu > div button:hover,
.node-menu > div button.active {
  border-color: var(--green);
  background: color-mix(in srgb, var(--green) 10%, var(--white));
  color: var(--green);
}
.node-menu-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 20px;
  cursor: pointer;
}
.graph-node .graph-meta {
  font-weight: 700;
}

@media (max-width: 760px) {
  .room-view .current-room {
    gap: 6px;
    padding-inline: 10px;
  }
  .room-view .current-room h2 {
    max-width: 24vw;
    font-size: 13px;
  }
  .map-filters {
    flex: 1;
    justify-content: center;
    overflow-x: auto;
  }
  .map-filters button {
    min-height: 34px;
    padding-inline: 8px;
    font-size: 10px;
  }
  .room-view .current-room .text-button {
    font-size: 11px;
  }
  .node-menu {
    right: 10px;
    bottom: 72px;
    width: calc(100% - 20px);
  }
  .node-menu > div button {
    min-height: 44px;
  }
}

/* Finder-like chronological outline. */
.room-view .notes {
  cursor: default;
  user-select: text;
  padding: 8px 0 172px;
  scroll-behavior: smooth;
}
.room-view #graph.thread-list {
  width: 100% !important;
  height: auto !important;
  min-width: 0;
  min-height: 100%;
}
.thread-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  min-height: 36px;
  margin-left: min(calc(var(--depth) * 28px), 45vw);
  padding: 4px 16px 4px 14px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
}
.thread-row::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}
.thread-row.own::before {
  width: 3px;
  background: var(--green);
}
.thread-row.own > p::after {
  content: "自分";
  margin-left: 8px;
  color: var(--green);
  font-size: 9px;
  font-weight: 700;
}
.thread-row > p {
  margin: 0;
  overflow-wrap: anywhere;
  font: 500 13px/1.35 var(--sans);
  cursor: text;
}
.thread-row > p:hover {
  color: var(--green);
}
.thread-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 14px;
}
.thread-actions button {
  min-height: 26px;
  padding: 2px 6px;
  border: 0;
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  font: 650 10px var(--sans);
  white-space: nowrap;
  cursor: pointer;
}
.thread-actions .action-placeholder,
.thread-actions button[data-action="edit"] {
  width: 30px;
  flex: 0 0 30px;
}
.thread-actions button[data-action="like"] {
  width: 42px;
  flex: 0 0 42px;
}
.thread-actions button[data-action="bookmark"],
.thread-actions button[data-action="reply"] {
  width: 30px;
  flex: 0 0 30px;
}
.thread-actions button:hover,
.thread-actions button.active {
  background: color-mix(in srgb, var(--green) 9%, var(--white));
  color: var(--green);
}
.inline-reply {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto;
  gap: 6px;
  margin-left: min(calc(var(--depth) * 28px), 45vw);
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 72%, var(--white));
  scroll-margin-bottom: 90px;
}
.inline-reply textarea {
  min-height: 54px;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 14px;
}
.inline-reply button {
  align-self: end;
  min-height: 36px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
}
.inline-reply button[type="submit"] {
  border-color: var(--green);
  background: var(--green);
  color: white;
}
.inline-reply .delete-action {
  border-color: #b9584f;
  color: #a33f37;
}
.room-view .composer {
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  max-width: none;
  padding: 12px 18px max(12px, env(safe-area-inset-bottom));
  transform: none;
  opacity: 1;
  visibility: visible;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  box-shadow: 0 -8px 24px rgb(17 37 31 / 8%);
}
.room-view .composer-heading,
.room-view .privacy,
.room-view .compose-close,
.room-view .reply-target,
.room-view .composer fieldset {
  display: none;
}
.room-view .composer form,
.room-view .composer-actions {
  display: contents;
}
.room-view .composer textarea {
  min-height: 54px;
  max-height: 18dvh;
  margin: 0 110px 0 0;
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 15px;
}
.room-view .composer .send {
  position: absolute;
  right: 18px;
  bottom: max(14px, env(safe-area-inset-bottom));
  width: 94px;
  min-height: 42px;
}
.room-view .node-menu,
.room-view .compose-open {
  display: none;
}

@media (max-width: 620px) {
  .room-view .notes {
    padding-bottom: 154px;
  }
  .thread-row {
    display: block;
    margin-left: min(calc(var(--depth) * 18px), 38vw);
    padding: 4px 10px;
  }
  .thread-row > p {
    font-size: 12px;
  }
  .thread-actions {
    justify-content: flex-end;
    margin: 1px 0 0;
  }
  .thread-actions button {
    min-height: 28px;
  }
  .inline-reply {
    grid-template-columns: repeat(3, 1fr);
    margin-left: min(calc(var(--depth) * 18px), 38vw);
    padding: 8px 10px;
  }
  .inline-reply textarea {
    grid-column: 1 / -1;
  }
  .room-view .composer {
    padding: 10px 10px max(10px, env(safe-area-inset-bottom));
    border-radius: 0;
  }
  .room-view .composer textarea {
    margin-right: 86px;
  }
  .room-view .composer .send {
    right: 10px;
    width: 78px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #15231f;
    --ink: #edf1e9;
    --muted: #abb6b0;
    --line: #3a4a44;
    --green: #c8e54e;
    --white: #1e2d28;
  }
  body {
    background: radial-gradient(circle at 10% 4%, rgb(200 229 78 / 8%), transparent 26rem),
      var(--paper);
  }
  .brand-mark::after {
    border-color: var(--ink);
  }
  .view-button[aria-pressed="true"],
  .send {
    color: #18332d;
  }
  .composer {
    border-color: var(--line);
    box-shadow: 5px 6px 0 #273730;
  }
  fieldset input:checked + span,
  .note-actions button.active {
    background: #344733;
  }
  .note {
    background: rgb(30 45 40 / 75%);
  }
  .note:hover {
    background: #243630;
  }
  .note-actions button:hover {
    background: #30413b;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* Room mode: the conversation map owns the viewport; writing appears on demand. */
.compose-open {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 20;
  padding: 12px 18px;
  border: 0;
  border-radius: 999px;
  background: var(--green);
  color: white;
  font: 700 13px var(--sans);
  box-shadow: 0 5px 18px rgb(24 51 45 / 22%);
  cursor: pointer;
}
.compose-close {
  position: absolute;
  top: 12px;
  right: 14px;
  z-index: 1;
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 22px;
  cursor: pointer;
}
.room-view {
  height: 100dvh;
  overflow: hidden;
  background: var(--white);
}
.room-view .topbar {
  height: 58px;
  padding-inline: 18px;
  background: var(--white);
}
.room-view .brand-mark {
  transform: scale(.86);
}
.room-view main {
  width: 100%;
  height: calc(100dvh - 58px);
  margin: 0;
}
.room-view #room-content {
  position: relative;
  height: 100%;
  padding: 0;
}
.room-view .current-room {
  position: absolute;
  z-index: 4;
  top: 0;
  left: 0;
  width: 100%;
  height: 50px;
  margin: 0;
  padding: 0 18px;
  align-items: center;
  background: color-mix(in srgb, var(--white) 94%, transparent);
  border-bottom: 1px solid var(--line);
}
.room-view .current-room h2 {
  overflow: hidden;
  margin: 0;
  font: 600 16px/1.2 var(--sans);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.room-view .feed {
  height: 100%;
  padding: 50px 0 0;
}
.room-view .feed-heading {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.room-view .notes {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 0;
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y;
  border: 0;
  background: var(--white);
}
.room-view #graph {
  min-width: 100%;
  min-height: 100%;
}
.room-view .empty {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  border: 0;
  white-space: nowrap;
}
.room-view .composer {
  position: fixed;
  z-index: 30;
  right: 24px;
  bottom: 24px;
  width: min(680px, calc(100% - 48px));
  max-width: none;
  margin: 0;
  padding: 22px 24px 18px;
  transform: translateY(calc(100% + 40px));
  opacity: 0;
  visibility: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 50px rgb(17 37 31 / 28%);
  transition: transform .2s ease, opacity .2s ease, visibility .2s;
}
.composer-open .room-view .composer,
body.composer-open.room-view .composer {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
body.composer-open .compose-open {
  opacity: 0;
  pointer-events: none;
}
.room-view .composer-heading {
  padding-right: 34px;
}
.room-view .composer textarea {
  min-height: 72px;
  max-height: 30dvh;
  font-size: 16px;
}
.room-view footer {
  display: none;
}

@media (max-width: 620px) {
  .room-view .topbar {
    height: 54px;
    padding-inline: 12px;
  }
  .room-view .brand {
    font-size: 19px;
  }
  .room-view .brand small,
  .room-view #user-label {
    display: none;
  }
  .room-view main {
    height: calc(100dvh - 54px);
  }
  .room-view .current-room {
    height: 46px;
    padding-inline: 14px;
  }
  .room-view .feed {
    padding-top: 46px;
  }
  .room-view .composer {
    right: 0;
    bottom: 0;
    width: 100%;
    padding: 20px 16px max(14px, env(safe-area-inset-bottom));
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 14px 14px 0 0;
  }
  .room-view .composer-actions {
    gap: 10px;
  }
  .room-view .composer-actions .send {
    width: 100%;
  }
  .compose-open {
    right: max(14px, env(safe-area-inset-right));
    bottom: max(14px, env(safe-area-inset-bottom));
    min-height: 46px;
  }
  .graph-node rect {
    stroke-width: 1.25;
  }
}

/* Final room-layout overrides. Keep the root input visible above every legacy state. */
.room-view .notes {
  padding: 8px 0 84px;
  cursor: default;
  user-select: text;
  scroll-behavior: smooth;
}
.room-view .composer {
  display: block !important;
  position: fixed;
  z-index: 40;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  min-height: 68px;
  padding: 9px 12px max(9px, env(safe-area-inset-bottom));
  transform: none !important;
  opacity: 1 !important;
  visibility: visible !important;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: var(--white);
  box-shadow: 0 -8px 24px rgb(17 37 31 / 8%);
}
.room-view .composer #post-form {
  display: flex;
  align-items: center;
  width: min(920px, 100%);
  margin: 0 auto;
  gap: 8px;
}
.room-view .composer #memo {
  flex: 1;
  width: auto;
  min-width: 0;
  min-height: 46px;
  max-height: 120px;
  margin: 0;
  padding: 10px 12px;
  resize: none;
  line-height: 1.5;
}
.room-view .composer .composer-actions {
  display: contents;
}
.room-view .composer .send {
  position: static;
  flex: 0 0 auto;
  width: auto;
  min-width: 72px;
  min-height: 44px;
  padding: 9px 14px;
}

@media (max-width: 620px) {
  .room-view .notes {
    padding-bottom: 74px;
  }
  .room-view .composer {
    min-height: 62px;
    padding: 7px 8px max(7px, env(safe-area-inset-bottom));
    border-radius: 0;
  }
  .room-view .composer #memo {
    min-height: 44px;
    margin: 0;
    padding: 9px 10px;
    font-size: 16px;
  }
  .room-view .composer .send {
    position: static;
    width: auto;
    min-width: 60px;
    min-height: 44px;
    padding-inline: 10px;
  }
}

@media (max-width: 620px) {
  .thread-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    min-height: 32px;
    padding: 3px 6px 3px 8px;
  }
  .thread-row > p {
    min-width: 0;
    font-size: 12px;
    line-height: 1.3;
  }
  .thread-row.own > p::after {
    display: none;
  }
  .thread-actions {
    gap: 0;
    justify-content: flex-end;
    margin: 0 0 0 4px;
  }
  .thread-actions button {
    min-height: 26px;
    padding: 1px 2px;
  }
  .thread-actions .action-placeholder,
  .thread-actions button[data-action="edit"] {
    width: 22px;
    flex-basis: 22px;
  }
  .thread-actions button[data-action="like"] {
    width: 34px;
    flex-basis: 34px;
  }
  .thread-actions button[data-action="bookmark"],
  .thread-actions button[data-action="reply"] {
    width: 24px;
    flex-basis: 24px;
  }
}

@media (max-width: 620px) {
  .inline-reply {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: auto;
    min-width: 0;
    margin-left: min(calc(var(--depth) * 14px), 72px);
    padding-inline: 8px;
    overflow: hidden;
    scroll-margin-bottom: calc(78px + env(safe-area-inset-bottom));
  }
  .inline-reply textarea {
    width: 100%;
    min-width: 0;
    font-size: 12px;
    white-space: pre-wrap;
    overflow-x: hidden;
    overflow-y: auto;
    overflow-wrap: anywhere;
  }
  .inline-reply button {
    min-width: 0;
    padding-inline: 3px;
    font-size: 12px;
  }
}

/* iPhone notch / Dynamic Island safe area. */
@media (max-width: 620px) {
  .topbar {
    height: calc(68px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
    padding-right: max(16px, env(safe-area-inset-right));
    padding-left: max(16px, env(safe-area-inset-left));
  }
  .room-view .topbar {
    height: calc(58px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
    padding-right: max(14px, env(safe-area-inset-right));
    padding-left: max(14px, env(safe-area-inset-left));
  }
  .room-view main {
    height: calc(100dvh - 58px - env(safe-area-inset-top));
  }
  .account {
    gap: 6px;
  }
  .account .view-button {
    min-height: 38px;
    padding: 8px 10px;
  }
}

/* Keep this last: iOS must see a 16px reply field and an in-viewport form width. */
@media (max-width: 620px) {
  html,
  body.room-view,
  .room-view #room-content {
    max-width: 100vw;
    overflow-x: hidden;
  }
  .inline-reply {
    width: calc(100% - min(calc(var(--depth) * 12px), 48px));
    max-width: 100%;
    min-width: 0;
    margin-right: 0;
    margin-left: min(calc(var(--depth) * 12px), 48px);
    box-sizing: border-box;
  }
  .inline-reply textarea {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    font-size: 16px;
    touch-action: manipulation;
  }
  .inline-reply button {
    max-width: 100%;
    min-width: 0;
  }
}

@media (max-width: 620px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }
  .room-panel .room-heading {
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
  }
  .room-panel .room-heading > div {
    min-width: 0;
    flex: 1 1 140px;
  }
  .room-panel .room-heading .send {
    flex: 0 0 auto;
    width: auto;
    max-width: 100%;
    padding-inline: 13px;
    white-space: nowrap;
  }
}

@media (max-width: 360px) {
  .room-panel .room-heading {
    align-items: stretch;
  }
  .room-panel .room-heading .send {
    width: 100%;
  }
}