/* 브레인 스토밍 — 왼쪽 대화 · 오른쪽 구름 하늘. 될까?의 페이퍼 결을 하늘 쪽으로 기울였다. */
:root {
  --paper: #F4F6F9; --paper-2: #FFFFFF; --ink: #1C2330; --ink-2: #5F6B7C; --line: #DAE0E8;
  --cloud: #FFFFFF; --mist: #C9D6E5; --edge: #A9B8CA; --sky: #3D7CB8; --sky-soft: #E4EEF8; --sky-ink: #2A5C8C;
  --bg-top: #E6EEF7; --bg-bot: #F5F8FB; --space: #EDF2F8; --shadow: #1C2330; --warn: #C98A2E; --bad: #C25A5A; --ok: #4C9A6A;
  --g0: #7FA7D9; --g1: #7DBF98; --g2: #E0AE62; --g3: #D98C8C; --g4: #A595D8; --g5: #66BCC4;
  --font-d: 'Gowun Batang', 'Nanum Myeongjo', 'Apple SD Gothic Neo', serif;
  --font-b: 'IBM Plex Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', system-ui, sans-serif;
  --font-m: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --chat-w: 360px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12161D; --paper-2: #1A2029; --ink: #E7EBF1; --ink-2: #9AA6B6; --line: #2A3340;
    --cloud: #2E3947; --mist: #2C3A4A; --edge: #4D5E72; --sky: #86B4E3; --sky-soft: #1E2D3F; --sky-ink: #A9CBEC;
    --bg-top: #0E131A; --bg-bot: #161D27; --space: #131922; --shadow: #000000; --warn: #E0A94F; --bad: #E07A7A; --ok: #6FBF8A;
    --g0: #6F97C9; --g1: #6DAF88; --g2: #C99A52; --g3: #C47C7C; --g4: #9585C8; --g5: #56ACB4;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--paper); color: var(--ink);
  font: 15px/1.6 var(--font-b); -webkit-font-smoothing: antialiased;
  overflow: hidden; overscroll-behavior: none;
}
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--sky); outline-offset: 2px; }
[hidden] { display: none !important; }

#app { height: 100%; display: grid; grid-template-columns: var(--chat-w) minmax(0, 1fr); }

/* ---------- 왼쪽 ---------- */
.chat {
  display: flex; flex-direction: column; min-width: 0; min-height: 0;
  background: var(--paper); border-right: 1px solid var(--line);
  padding-top: env(safe-area-inset-top, 0px); padding-left: env(safe-area-inset-left, 0px);
}
.chat-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px 6px; }
.idea-pill {
  display: inline-flex; align-items: center; gap: 9px; min-width: 0; border: 0; background: none; cursor: pointer;
  font: 700 17px/1.2 var(--font-d); color: var(--ink); padding: 6px 8px; margin-left: -8px; border-radius: 10px;
  transition: background .2s;
}
.idea-pill:hover { background: var(--sky-soft); }
.idea-pill svg { flex: none; width: 26px; height: 17px; fill: var(--cloud); stroke: var(--sky); stroke-width: 2; }
.idea-pill span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.idea-pill .caret { flex: none; width: 7px; height: 7px; border-right: 1.6px solid var(--ink-2); border-bottom: 1.6px solid var(--ink-2); transform: rotate(45deg) translate(-2px, -2px); transition: transform .3s var(--ease); }
#app.overview .idea-pill .caret { transform: rotate(-135deg) translate(-1px, -1px); }

.model { flex: none; display: inline-flex; padding: 3px; gap: 2px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 999px; }
.model button {
  position: relative; border: 0; background: transparent; color: var(--ink-2); cursor: pointer;
  font: 500 12.5px/1 var(--font-b); padding: 6px 11px; border-radius: 999px; transition: background .25s, color .25s;
}
.model button[aria-checked="true"] { background: var(--ink); color: var(--paper); }
.model button.off::after { content: ""; position: absolute; top: 3px; right: 4px; width: 5px; height: 5px; border-radius: 50%; background: var(--warn); }

.talk { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.ladder { display: flex; align-items: center; gap: 8px; padding: 2px 16px 10px; border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--ink-2); }
.ladder span[data-r] { display: inline-flex; align-items: center; gap: 5px; opacity: .42; transition: opacity .5s, color .5s; }
.ladder span[data-r].on { opacity: 1; color: var(--sky-ink); font-weight: 600; }
.ladder b { display: none; gap: 3px; }
.ladder span.on b { display: inline-flex; }
.ladder b i { width: 5px; height: 5px; border-radius: 50%; border: 1px solid var(--sky); transition: background .4s; }
.ladder b i.f { background: var(--sky); }
.ladder em { width: 12px; height: 1px; background: var(--line); }
.practice { margin-left: auto; font: 500 11px/1 var(--font-m); color: var(--warn); border: 1px dashed currentColor; border-radius: 999px; padding: 4px 8px; cursor: help; }

.msgs { flex: 1; min-height: 0; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; overscroll-behavior: contain; }
.msg { max-width: 90%; display: grid; gap: 5px; animation: msgIn .4s var(--ease); }
.msg p { margin: 0; padding: 9px 13px; border-radius: 16px; font-size: 14.5px; line-height: 1.62; white-space: pre-wrap; word-break: keep-all; overflow-wrap: anywhere; }
.msg.ai { align-self: flex-start; }
.msg.ai p { background: var(--paper-2); border: 1px solid var(--line); border-top-left-radius: 5px; }
.msg.me { align-self: flex-end; }
.msg.me p { background: var(--sky-soft); border-top-right-radius: 5px; }
.msg.streaming p:empty { min-height: 38px; min-width: 56px; position: relative; }
.msg.streaming p:empty::before {
  content: ""; position: absolute; left: 14px; top: 50%; width: 6px; height: 6px; margin-top: -3px; border-radius: 50%;
  background: var(--ink-2); box-shadow: 11px 0 0 var(--ink-2), 22px 0 0 var(--ink-2); animation: think 1.1s infinite;
}
.msg.streaming p:not(:empty)::after { content: "▍"; color: var(--sky); margin-left: 1px; animation: blink 1s steps(2) infinite; }
.msg.err p { color: var(--ink-2); border-style: dashed; border-color: var(--bad); }
.chip {
  justify-self: start; display: inline-flex; align-items: center; gap: 7px; border: 0; background: transparent;
  color: var(--sky-ink); font: 500 11.5px/1 var(--font-m); cursor: pointer; padding: 4px 6px; border-radius: 7px; margin-left: 4px;
}
.chip::before { content: ""; width: 12px; height: 8px; border-radius: 999px; background: var(--sky); box-shadow: -4px 2px 0 -1px var(--sky), 5px 2px 0 -2px var(--sky); }
.chip:hover { background: var(--sky-soft); }

.composer { display: grid; grid-template-columns: minmax(0, 1fr); gap: 7px; padding: 10px 12px calc(12px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); background: var(--paper); }
.focus-chip { display: flex; align-items: center; gap: 6px; min-width: 0; font-size: 12.5px; color: var(--ink-2); padding: 0 4px; animation: msgIn .3s var(--ease); }
.fc-label { color: var(--sky-ink); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.focus-chip button { border: 0; background: none; color: var(--ink-2); cursor: pointer; font-size: 15px; line-height: 1; padding: 2px 5px; border-radius: 6px; }
.focus-chip button:hover { background: var(--sky-soft); }
.row { min-width: 0; display: flex; align-items: flex-end; gap: 8px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 18px; padding: 6px 6px 6px 14px; transition: border-color .2s; }
.row:focus-within { border-color: var(--sky); }
#input { flex: 1; width: 0; min-width: 0; border: 0; background: transparent; color: var(--ink); font: 15px/1.5 var(--font-b); resize: none; padding: 6px 0; max-height: 132px; outline: none; }
#input::placeholder { color: var(--ink-2); opacity: .7; }
.send {
  flex: none; width: 34px; height: 34px; border-radius: 50%; border: 0; background: var(--ink); color: var(--paper);
  display: grid; place-items: center; cursor: pointer; transition: transform .2s var(--ease), opacity .2s;
}
.send svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.send:disabled { opacity: .28; cursor: default; }
.send:not(:disabled):hover { transform: translateY(-1px); }
.send.busy { opacity: 1; background: var(--sky-soft); color: var(--sky); }
.send.busy svg { animation: bob 1s ease-in-out infinite; }

/* 아이디어 서랍(전체 구름일 때) */
.drawer { flex: 1; min-height: 0; display: flex; flex-direction: column; animation: msgIn .35s var(--ease); }
.drawer-top { display: flex; align-items: baseline; gap: 8px; padding: 6px 16px 12px; border-bottom: 1px solid var(--line); }
.drawer-top b { font: 700 15px var(--font-d); }
.drawer-top small { font: 500 12px var(--font-m); color: var(--ink-2); }
.new-idea { margin-left: auto; border: 0; background: var(--ink); color: var(--paper); border-radius: 999px; padding: 7px 13px; font-size: 13px; cursor: pointer; transition: transform .2s var(--ease); }
.new-idea:hover { transform: translateY(-1px); }
.idea-list { list-style: none; margin: 0; padding: 10px; overflow-y: auto; flex: 1; min-height: 0; display: grid; align-content: start; gap: 6px; }
.idea {
  display: grid; grid-template-columns: 12px minmax(0, 1fr) auto; align-items: center; gap: 10px; padding: 10px 10px 10px 12px;
  border-radius: 14px; cursor: pointer; border: 1px solid transparent; transition: background .2s, border-color .2s;
  animation: msgIn .4s var(--ease) backwards;
}
.idea:hover, .idea.lit { background: var(--paper-2); border-color: var(--line); }
.idea.cur { background: var(--paper-2); border-color: var(--sky); }
.idea .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--tint); box-shadow: 0 0 0 3px color-mix(in srgb, var(--tint) 25%, transparent); }
.idea b { display: block; font-weight: 600; font-size: 14.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.idea small { font-size: 12px; color: var(--ink-2); }
.idea .del { border: 0; background: none; color: var(--ink-2); cursor: pointer; border-radius: 8px; padding: 4px 8px; font-size: 14px; opacity: 0; transition: opacity .2s; }
.idea:hover .del, .idea .del.confirm, .idea .del:focus-visible { opacity: 1; }
.idea .del.confirm { color: var(--paper); background: var(--bad); font-size: 12px; }
.empty-ideas { color: var(--ink-2); font-size: 13.5px; padding: 18px 8px; text-align: center; }
.drawer-foot { display: flex; align-items: center; gap: 10px; padding: 12px 16px calc(14px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-2); }
.space-name { font-weight: 600; color: var(--ink); }
.sync { display: inline-flex; align-items: center; gap: 6px; }
.sync::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--edge); }
.sync[data-s="online"]::before { background: var(--ok); }
.sync[data-s="local"]::before, .sync[data-s="offline"]::before { background: var(--warn); }
.logout { margin-left: auto; border: 1px solid var(--line); background: none; border-radius: 999px; padding: 5px 12px; font-size: 12.5px; cursor: pointer; color: var(--ink); }
.logout:hover { background: var(--sky-soft); }

/* ---------- 구름 하늘 ---------- */
.space { position: relative; min-width: 0; min-height: 0; overflow: hidden; background: linear-gradient(180deg, var(--bg-top), var(--bg-bot)); }
#map { position: absolute; inset: 0; display: block; touch-action: none; cursor: grab; user-select: none; -webkit-user-select: none; transition: opacity .45s var(--ease); }
.space.dom #map { opacity: 0; pointer-events: none; }
.modes {
  position: absolute; z-index: 3; top: calc(14px + env(safe-area-inset-top, 0px)); right: calc(14px + env(safe-area-inset-right, 0px));
  display: flex; gap: 2px; padding: 3px; border-radius: 999px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-2) 84%, transparent); backdrop-filter: blur(8px);
}
.modes button {
  display: inline-flex; align-items: center; gap: 6px; border: 0; background: transparent; cursor: pointer;
  font: 500 12.5px/1 var(--font-b); color: var(--ink-2); padding: 6px 11px; border-radius: 999px; transition: background .25s, color .25s;
}
.modes button:hover { color: var(--ink); }
.modes button.on { background: var(--ink); color: var(--paper); }
.modes svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.modes svg .f { fill: currentColor; }
#app.overview .modes, #app.overview .tools #farBtn { display: none; }
.coach {
  position: absolute; left: 14px; top: calc(14px + env(safe-area-inset-top, 0px)); z-index: 2; max-width: calc(100% - 380px);
  display: flex; align-items: center; gap: 9px; padding: 7px 13px; border-radius: 999px; font-size: 13px; color: var(--ink);
  background: color-mix(in srgb, var(--paper-2) 86%, transparent); backdrop-filter: blur(8px); border: 1px solid var(--line);
  transition: opacity .5s var(--ease), transform .5s var(--ease); pointer-events: none;
}
.coach::before { content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--sky); animation: ping 1.8s infinite; }
.coach.out { opacity: 0; transform: translateY(-6px); }
.tools { position: absolute; right: calc(14px + env(safe-area-inset-right, 0px)); bottom: 14px; display: flex; flex-direction: column; gap: 8px; z-index: 2; }
.space.dom .tools { display: none; }
.tools button {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); cursor: pointer; display: grid; place-items: center;
  background: color-mix(in srgb, var(--paper-2) 86%, transparent); backdrop-filter: blur(8px); color: var(--ink); font-size: 16px;
  box-shadow: 0 8px 20px -14px var(--shadow); transition: transform .25s var(--ease), background .2s;
}
.tools button:hover { transform: translateY(-2px); background: var(--paper-2); }
.tools svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.tools svg .dot { fill: currentColor; stroke: none; }
.node-chip { position: absolute; left: 0; top: 0; z-index: 3; transform: translate(-50%, -100%); animation: chipIn .3s var(--ease); }
.node-chip button, .v-send {
  border: 0; background: var(--ink); color: var(--paper); cursor: pointer; white-space: nowrap;
  font: 500 12.5px/1 var(--font-b); padding: 8px 14px; border-radius: 999px; box-shadow: 0 10px 24px -12px var(--shadow);
  transition: transform .2s var(--ease);
}
.node-chip button:hover, .v-send:hover { transform: translateY(-2px); }
.node-edit {
  position: absolute; left: 0; top: 0; z-index: 4; transform: translate(-50%, -50%);
  font: 500 14px/1.3 var(--font-b); text-align: center; color: var(--ink); background: var(--paper-2);
  border: 2px solid var(--sky); border-radius: 12px; padding: 7px 10px; width: 180px; outline: none;
  box-shadow: 0 12px 28px -14px var(--shadow);
}
.toast {
  position: absolute; left: 50%; bottom: 18px; z-index: 5; transform: translate(-50%, 14px);
  display: flex; align-items: center; gap: 10px; max-width: calc(100% - 120px);
  background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 999px; font-size: 13px;
  opacity: 0; pointer-events: none; transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.toast span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toast.on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.toast button { border: 0; background: color-mix(in srgb, var(--paper) 20%, transparent); color: var(--paper); border-radius: 999px; padding: 4px 10px; cursor: pointer; margin-right: -6px; }

/* ---------- 기법별 보기 ---------- */
.views { position: absolute; inset: 0; z-index: 1; overflow: auto; padding: calc(70px + env(safe-area-inset-top, 0px)) max(20px, env(safe-area-inset-right, 0px)) 28px 20px; }
.view { min-height: 100%; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.view.enter { animation: viewIn .5s var(--ease); }
.v-up {
  align-self: center; display: inline-flex; align-items: center; gap: 7px; max-width: 70%; border: 0; background: none; cursor: pointer;
  color: var(--ink-2); font-size: 13px; padding: 5px 12px; border-radius: 999px; transition: background .2s;
}
.v-up span { color: var(--sky); }
.v-up:not(.ghost):hover { background: color-mix(in srgb, var(--paper-2) 80%, transparent); color: var(--ink); }
.v-up.ghost { height: 30px; }
.v-more { margin: 0; font: 500 12px var(--font-m); color: var(--ink-2); }
.v-edit { position: absolute; inset: 6px; z-index: 2; border: 2px solid var(--sky); border-radius: 12px; background: var(--paper-2); color: var(--ink); font: 500 14px var(--font-b); text-align: center; outline: none; padding: 4px 8px; min-width: 0; }
.kd { display: flex; gap: 3px; justify-content: center; margin-top: 6px; }
.kd i { width: 4px; height: 4px; border-radius: 50%; background: var(--edge); }

/* 공통 카드 결: 내 구름은 진하게, AI 구름은 흐리게(점선) */
.petal, .card, .sc-focus, .chip-c {
  position: relative; border: 1px solid var(--line); background: var(--paper-2); color: var(--ink);
  box-shadow: 0 10px 24px -20px var(--shadow); transition: transform .25s var(--ease), border-color .2s, box-shadow .25s, background .2s;
}
.petal.ai, .card.ai, .chip-c.ai { border-style: dashed; background: color-mix(in srgb, var(--paper-2) 55%, transparent); color: var(--ink-2); }
.petal[style*="--tint"], .card[style*="--tint"], .sc-focus[style*="--tint"] { background-image: linear-gradient(color-mix(in srgb, var(--tint) 14%, transparent), color-mix(in srgb, var(--tint) 14%, transparent)); }
.petal.sel, .card.sel, .sc-focus.sel, .chip-c.sel { border: 2px solid var(--sky); }
.petal.sent::after, .card.sent::after, .sc-focus.sent::after { content: ""; position: absolute; top: 8px; right: 8px; width: 7px; height: 7px; border-radius: 50%; background: var(--sky); }

/* 연꽃 */
.lotus-grid { width: min(100%, 620px); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.petal {
  aspect-ratio: 1 / .78; border-radius: 26px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 12px; font-size: 14px; line-height: 1.4; text-align: center; cursor: pointer; overflow: hidden;
  animation: petalIn .5s var(--ease) backwards; animation-delay: calc(var(--i, 0) * 40ms);
  word-break: keep-all; overflow-wrap: anywhere;
}
.petal span { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.petal:not(.empty):not(.core):hover { transform: translateY(-3px); box-shadow: 0 16px 30px -20px var(--shadow); }
.petal.core { cursor: default; border-radius: 34px; border-width: 2px; gap: 10px; animation: none; }
.petal.core b { font: 700 clamp(16px, 2.2vw, 21px)/1.35 var(--font-d); }
.petal.empty { border-style: dashed; background: transparent; box-shadow: none; cursor: default; opacity: .5; }
.petal.empty.add { opacity: 1; cursor: pointer; color: var(--sky); font-size: 26px; font-weight: 300; border-color: var(--edge); }
.petal.empty.add:hover { background: color-mix(in srgb, var(--paper-2) 60%, transparent); }
.busy { position: relative; pointer-events: none; }
.petal.busy::before, .lane-add.busy::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--sky);
  box-shadow: 12px 0 0 var(--sky), -12px 0 0 var(--sky); animation: think 1s infinite;
}

/* 스캠퍼 */
.sc-focus { display: flex; align-items: center; gap: 12px; padding: 12px 20px; border-radius: 999px; border-width: 2px; }
.sc-focus b { font: 700 19px/1.3 var(--font-d); }
.lanes { width: 100%; max-width: 1180px; display: grid; grid-template-columns: repeat(auto-fit, minmax(138px, 1fr)); gap: 10px; align-items: start; }
.lane {
  display: grid; gap: 8px; padding: 10px; border-radius: 18px; animation: petalIn .45s var(--ease) backwards;
  background: color-mix(in srgb, var(--paper-2) 45%, transparent); border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}
.lane:nth-child(2) { animation-delay: 30ms; } .lane:nth-child(3) { animation-delay: 60ms; } .lane:nth-child(4) { animation-delay: 90ms; }
.lane:nth-child(5) { animation-delay: 120ms; } .lane:nth-child(6) { animation-delay: 150ms; } .lane:nth-child(7) { animation-delay: 180ms; }
.lane header { display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 8px; padding: 2px 4px 4px; }
.lane header i { grid-row: span 2; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-style: normal; color: var(--sky); background: var(--sky-soft); font-size: 14px; }
.lane header b { font-size: 13.5px; }
.lane header small { font-size: 11.5px; color: var(--ink-2); }
.card { border-radius: 14px; padding: 9px 11px; font-size: 13.5px; line-height: 1.45; text-align: left; cursor: pointer; word-break: keep-all; overflow-wrap: anywhere; }
.card:hover { transform: translateY(-2px); }
.card .kd { justify-content: flex-start; }
.lane-add { height: 34px; border-radius: 12px; border: 1px dashed var(--edge); background: transparent; color: var(--sky); font-size: 18px; cursor: pointer; display: grid; place-items: center; transition: background .2s; }
.lane-add:hover { background: color-mix(in srgb, var(--paper-2) 70%, transparent); }
.sc-rest { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px; max-width: 900px; font-size: 12px; color: var(--ink-2); }
.chip-c { border-radius: 999px; padding: 5px 11px; font-size: 12.5px; cursor: pointer; }

/* 묶음 */
.af-top { align-self: flex-end; }
.ghost-btn { border: 1px solid var(--line); background: color-mix(in srgb, var(--paper-2) 80%, transparent); border-radius: 999px; padding: 7px 14px; font-size: 13px; cursor: pointer; color: var(--ink); }
.ghost-btn:hover { background: var(--paper-2); }
.ghost-btn.busy { color: var(--sky); }
.cols { width: 100%; display: flex; gap: 12px; align-items: flex-start; overflow-x: auto; padding-bottom: 10px; }
.col {
  flex: 0 0 210px; display: grid; gap: 8px; align-content: start; min-height: 160px; padding: 10px; border-radius: 18px;
  background: color-mix(in srgb, var(--tint, var(--edge)) 10%, color-mix(in srgb, var(--paper-2) 50%, transparent));
  border: 1px solid color-mix(in srgb, var(--tint, var(--edge)) 30%, transparent); transition: border-color .2s, background .2s;
  animation: petalIn .45s var(--ease) backwards;
}
.col.loose { --tint: var(--edge); border-style: dashed; }
.col.over { border-color: var(--sky); background: color-mix(in srgb, var(--sky) 12%, transparent); }
.col header { display: flex; align-items: center; gap: 8px; padding: 2px 4px 4px; font-size: 13.5px; }
.col header i { width: 9px; height: 9px; border-radius: 50%; background: var(--tint); }
.col header small { margin-left: auto; font: 500 11.5px var(--font-m); color: var(--ink-2); }
.col .card { cursor: grab; display: grid; gap: 8px; }
.col .card.dragging { opacity: .4; }
.col .card .v-send { justify-self: start; padding: 6px 11px; font-size: 12px; }

/* ---------- 첫 화면(새 아이디어) ---------- */
.start {
  position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; overflow-y: auto;
  padding: calc(64px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) calc(32px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
  background: color-mix(in srgb, var(--paper) 70%, transparent); backdrop-filter: blur(16px) saturate(1.1); -webkit-backdrop-filter: blur(16px) saturate(1.1);
  transition: opacity .7s var(--ease);
}
.start.leaving { opacity: 0; pointer-events: none; }
.start-model { position: absolute; top: calc(16px + env(safe-area-inset-top, 0px)); right: max(16px, env(safe-area-inset-right, 0px)); }
.start-close { position: absolute; top: calc(14px + env(safe-area-inset-top, 0px)); left: max(14px, env(safe-area-inset-left, 0px)); width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: var(--paper-2); cursor: pointer; font-size: 18px; color: var(--ink-2); }
.start-in { width: min(100%, 440px); display: grid; justify-items: center; gap: 14px; text-align: center; }
.start h1 { margin: 0; font: 700 clamp(34px, 6vw, 50px)/1.15 var(--font-d); letter-spacing: -.01em; text-wrap: balance; }
.tag { margin: 0 0 14px; color: var(--ink-2); text-wrap: balance; }
.seed {
  position: relative; width: 104px; height: 72px; margin: 18px 0 8px; border: 0; border-radius: 999px; cursor: pointer;
  background: var(--cloud); box-shadow: 0 16px 36px -20px var(--shadow), 0 0 0 1px var(--line); animation: bob 4.5s ease-in-out infinite;
}
.seed::before, .seed::after { content: ""; position: absolute; border-radius: 50%; background: var(--cloud); box-shadow: 0 0 0 1px var(--line); }
.seed::before { width: 50px; height: 50px; left: 15px; top: -18px; }
.seed::after { width: 38px; height: 38px; right: 17px; top: -10px; }
.seed span { position: absolute; inset: -12px 0 0; z-index: 1; display: grid; place-items: center; font-size: 32px; font-weight: 300; color: var(--sky); transition: transform .5s var(--ease); }
.start.open .seed { animation: none; }
.start.open .seed span { transform: rotate(45deg); }
.seed-form {
  width: 100%; display: grid; gap: 10px; overflow: hidden; max-height: 0; opacity: 0; transform: translateY(-10px);
  transition: max-height .6s var(--ease), opacity .45s, transform .6s var(--ease);
}
.start.open .seed-form { max-height: 480px; opacity: 1; transform: none; }
.field { display: grid; gap: 2px; text-align: left; background: var(--paper-2); border: 1px solid var(--line); border-radius: 14px; padding: 9px 14px; transition: border-color .2s; }
.field:focus-within { border-color: var(--sky); }
.field span { font-size: 12px; color: var(--ink-2); }
.field input { border: 0; background: transparent; color: var(--ink); font: 15px/1.5 var(--font-b); padding: 2px 0; outline: none; width: 100%; min-width: 0; }
.field input::placeholder { color: var(--ink-2); opacity: .55; }
.seed-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 4px; flex-wrap: wrap; }
.any { border: 0; background: none; cursor: pointer; color: var(--ink-2); font-size: 13.5px; padding: 6px 1px; border-bottom: 1px dashed var(--edge); }
.any:hover { color: var(--ink); }
.go {
  border: 0; background: var(--ink); color: var(--paper); cursor: pointer; border-radius: 999px; padding: 10px 20px;
  font: 500 14px/1 var(--font-b); transition: opacity .2s, transform .2s var(--ease);
}
.go:disabled { opacity: .28; cursor: default; }
.go:not(:disabled):hover { transform: translateY(-1px); }
.start-note { margin: 2px 0 0; font-size: 12.5px; color: var(--ink-2); transition: opacity .4s; }
.start:not(.open) .start-note { opacity: 0; }

/* ---------- 맨 처음: 암호 ---------- */
.lock {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 24px max(16px, env(safe-area-inset-left, 0px));
  background: radial-gradient(900px 500px at 30% 20%, color-mix(in srgb, var(--mist) 70%, transparent), transparent 70%),
    radial-gradient(800px 500px at 80% 90%, color-mix(in srgb, var(--mist) 55%, transparent), transparent 70%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bot));
  transition: opacity .7s var(--ease);
}
.lock.leaving { opacity: 0; pointer-events: none; }
.lock-in { width: min(100%, 340px); display: grid; justify-items: center; gap: 18px; text-align: center; }
.lock h1 { margin: 0; font: 700 clamp(30px, 6vw, 40px)/1.15 var(--font-d); letter-spacing: -.01em; }
.lock-cloud { position: relative; width: 110px; height: 66px; margin-bottom: 6px; animation: bob 4.5s ease-in-out infinite; }
.lock-cloud i { position: absolute; border-radius: 50%; background: var(--cloud); box-shadow: 0 14px 30px -18px var(--shadow); }
.lock-cloud i:nth-child(1) { left: 0; right: 0; bottom: 0; height: 44px; border-radius: 999px; }
.lock-cloud i:nth-child(2) { width: 54px; height: 54px; left: 16px; top: 0; }
.lock-cloud i:nth-child(3) { width: 40px; height: 40px; right: 18px; top: 10px; }
.lock-in.wait .lock-cloud { animation: bob .8s ease-in-out infinite; }
.lock-field { width: 100%; display: flex; align-items: center; gap: 6px; padding: 6px 6px 6px 18px; border-radius: 999px; background: var(--paper-2); border: 1px solid var(--line); transition: border-color .2s, box-shadow .3s; }
.lock-field:focus-within { border-color: var(--sky); box-shadow: 0 0 0 4px color-mix(in srgb, var(--sky) 15%, transparent); }
.lock-field input { flex: 1; width: 0; min-width: 0; border: 0; background: transparent; color: var(--ink); font: 16px/1.4 var(--font-b); letter-spacing: .08em; outline: none; padding: 6px 0; }
.lock-field input::placeholder { letter-spacing: 0; color: var(--ink-2); opacity: .6; }
.lock-go { flex: none; width: 40px; height: 40px; border-radius: 50%; border: 0; background: var(--ink); color: var(--paper); display: grid; place-items: center; cursor: pointer; transition: transform .2s var(--ease); }
.lock-go:hover { transform: translateX(2px); }
.lock-go svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.lock-msg { margin: -6px 0 0; min-height: 20px; font-size: 13px; color: var(--bad); }
.lock-in.shake .lock-field { animation: shake .4s; }

/* ---------- 될까?로 날아가는 화면 ---------- */
.flight {
  position: fixed; inset: 0; z-index: 45; overflow: hidden; opacity: 0; transition: opacity .45s var(--ease);
  background: linear-gradient(180deg, color-mix(in srgb, var(--bg-top) 92%, transparent), color-mix(in srgb, var(--bg-bot) 96%, transparent));
  backdrop-filter: blur(10px);
}
.flight.in { opacity: 1; }
.flight.out { opacity: 0; }
.fl-sky i { position: absolute; border-radius: 50%; background: radial-gradient(closest-side, color-mix(in srgb, var(--mist) 80%, transparent), transparent); animation: drift 14s ease-in-out infinite alternate; }
.fl-sky i:nth-child(1) { width: 520px; height: 300px; left: -10%; top: 8%; }
.fl-sky i:nth-child(2) { width: 640px; height: 360px; left: 40%; top: 52%; animation-duration: 18s; }
.fl-sky i:nth-child(3) { width: 380px; height: 240px; left: 66%; top: 6%; animation-duration: 11s; }
.fl-sky i:nth-child(4) { width: 460px; height: 260px; left: 8%; top: 64%; animation-duration: 16s; }
.fl-dest {
  position: absolute; right: max(10%, 40px); top: 42%; transform: translate(50%, -50%); width: 118px; height: 118px; border-radius: 50%;
  display: grid; place-items: center; background: var(--paper-2); border: 2px solid var(--sky);
  box-shadow: 0 0 0 10px color-mix(in srgb, var(--sky) 10%, transparent), 0 24px 50px -26px var(--shadow);
  animation: destIn .6s var(--ease) both;
}
.fl-dest b { font: 700 26px var(--font-d); color: var(--ink); }
.flight.done .fl-dest { animation: arrive .7s var(--ease); }
.fl-cloud {
  position: absolute; left: 0; top: 0; min-width: 120px; max-width: 260px; padding: 18px 24px; border-radius: 999px; text-align: center;
  background: var(--cloud); box-shadow: 0 20px 40px -22px var(--shadow), 0 0 0 2px var(--sky);
  font: 600 15px/1.35 var(--font-b); color: var(--ink); will-change: transform; word-break: keep-all;
}
.fl-cloud::before, .fl-cloud::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; background: var(--cloud); }
.fl-cloud::before { width: 54px; height: 54px; left: 18%; top: -20px; }
.fl-cloud::after { width: 40px; height: 40px; right: 20%; top: -12px; }
.fl-cloud, .fl-dest { z-index: 2; }
.fl-dot { position: absolute; z-index: 1; width: 6px; height: 6px; margin: -3px 0 0 -3px; border-radius: 50%; background: var(--sky); animation: dotFade 1.2s var(--ease) forwards; pointer-events: none; }
.fl-card {
  position: absolute; left: 50%; bottom: max(8%, 32px); transform: translateX(-50%); width: min(calc(100% - 32px), 440px);
  display: grid; justify-items: center; gap: 10px; text-align: center; padding: 22px 22px 20px; border-radius: 22px;
  background: var(--paper-2); border: 1px solid var(--line); box-shadow: 0 30px 70px -34px var(--shadow); animation: popIn .45s var(--ease);
}
.fl-card small { font: 500 12px var(--font-m); color: var(--sky-ink); letter-spacing: .04em; }
.fl-card h2 { margin: 0; font: 700 23px/1.3 var(--font-d); text-wrap: balance; overflow-wrap: anywhere; }
.fl-card p { margin: 0; font-size: 13px; color: var(--ink-2); }
.fl-path { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 6px; font-size: 12.5px; color: var(--ink-2); }
.fl-path li + li::before { content: "→"; margin-right: 6px; color: var(--edge); }

/* ---------- 좁은 화면 ---------- */
@media (max-width: 760px) {
  #app { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) minmax(0, 44%); }
  .chat { order: 2; border-right: 0; border-top: 1px solid var(--line); padding-top: 0; padding-left: 0; }
  .space { order: 1; }
  .chat-head { padding: 10px 14px 4px; }
  .ladder { padding: 0 14px 8px; }
  .msgs { padding: 12px 14px; }
  .coach { max-width: calc(100% - 28px); top: calc(60px + env(safe-area-inset-top, 0px)); font-size: 12.5px; }
  .modes button span { display: none; }
  .modes button.on span { display: inline; }
  .views { padding: calc(64px + env(safe-area-inset-top, 0px)) 12px 20px; }
  .lotus-grid { gap: 8px; }
  .petal { border-radius: 18px; font-size: 12.5px; padding: 8px; }
  .petal.core b { font-size: 15px; }
  .fl-dest { width: 92px; height: 92px; top: 30%; }
}

@keyframes msgIn { from { opacity: 0; transform: translateY(6px); } }
@keyframes chipIn { from { opacity: 0; transform: translate(-50%, calc(-100% + 6px)); } }
@keyframes popIn { from { opacity: 0; transform: translate(-50%, 10px) scale(.98); } }
.fl-card { animation-name: popIn; }
@keyframes viewIn { from { opacity: 0; transform: scale(.97); } }
@keyframes petalIn { from { opacity: 0; transform: scale(.9); } }
@keyframes think { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
@keyframes ping { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--sky) 55%, transparent); } 100% { box-shadow: 0 0 0 9px transparent; } }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
@keyframes drift { from { transform: translateX(-40px); } to { transform: translateX(40px); } }
@keyframes destIn { from { opacity: 0; transform: translate(50%, -50%) scale(.6); } }
@keyframes arrive { 0% { transform: translate(50%, -50%) scale(1); } 40% { transform: translate(50%, -50%) scale(1.14); box-shadow: 0 0 0 26px color-mix(in srgb, var(--sky) 8%, transparent); } 100% { transform: translate(50%, -50%) scale(1); } }
@keyframes dotFade { from { opacity: .8; transform: scale(1); } to { opacity: 0; transform: scale(.3) translateY(10px); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }