/* 연구실 — 연구실과 방이 함께 쓰는 모양.
   분위기(data-skin)마다 색 변수만 바꾸고, 심해·단말기·해커는 아래 "분위기 꾸미기"에서 장식을 더한다 */
:root {
  --font-body: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --font-display: var(--font-body);
  --danger: #c2412d;
  --radius: 14px;
  --radius-small: 10px;
  --radius-pill: 999px;
  --chamfer: 0px;
}

/* 심해 연구기지 (처음 분위기, id는 예전 그대로 vessel): 깊은 바다색 선체 + 청록 발광 */
:root,
[data-skin="vessel"] {
  --bg: #020b14;
  --surface: #071827;
  --surface-muted: #0b2236;
  --text: #d6f3ff;
  --text-muted: #6f97ad;
  --border: #163a52;
  --accent: #4fd8ff;
  --accent-text: #021018;
  --danger: #ff6b5e;
  --hud: #3fe0d0;
  --radius: 0px;
  --radius-small: 0px;
  --radius-pill: 0px;
  --chamfer: 14px;
  --shadow: 0 0 0 1px rgb(63 224 208 / 0.05), 0 10px 30px rgb(0 0 0 / 0.5);
  --font-display: "Consolas", "D2Coding", "Malgun Gothic", monospace;
  color-scheme: dark;
}
[data-skin="vessel"] [data-theme-id="study"] { --accent: #4fd8ff; }
[data-skin="vessel"] [data-theme-id="workout"] { --accent: #ffb547; --accent-text: #1c1000; }
[data-skin="vessel"] [data-theme-id="diary"] { --accent: #c29bff; --accent-text: #12062a; }

/* 해커: 새까만 화면 + 형광 초록, 경고는 빨강 */
[data-skin="hacker"] {
  --bg: #000000;
  --surface: #030805;
  --surface-muted: #07140b;
  --text: #d2ffe0;
  --text-muted: #4fa86a;
  --border: #0f3d1f;
  --accent: #00ff66;
  --accent-text: #001a0a;
  --danger: #ff2b4f;
  --hud: #00ff66;
  --radius: 0px;
  --radius-small: 0px;
  --radius-pill: 0px;
  --shadow: none;
  --font-body: "Consolas", "D2Coding", "Malgun Gothic", monospace;
  --font-display: var(--font-body);
  color-scheme: dark;
}
[data-skin="hacker"] [data-theme-id="study"] { --accent: #00ff66; }
[data-skin="hacker"] [data-theme-id="workout"] { --accent: #ffd400; --accent-text: #1a1500; }
[data-skin="hacker"] [data-theme-id="diary"] { --accent: #ff2bd6; --accent-text: #1a0016; }

/* 녹색 단말기: 검은 화면 + 초록 글자 */
[data-skin="terminal"] {
  --bg: #020804;
  --surface: #06120a;
  --surface-muted: #0a1d10;
  --text: #b8ffcc;
  --text-muted: #5fae78;
  --border: #164a26;
  --accent: #4dff88;
  --accent-text: #02140a;
  --danger: #ff7a5c;
  --hud: #4dff88;
  --radius: 0px;
  --radius-small: 0px;
  --radius-pill: 0px;
  --shadow: none;
  --font-body: "Consolas", "D2Coding", "Malgun Gothic", monospace;
  --font-display: var(--font-body);
  color-scheme: dark;
}
[data-skin="terminal"] [data-theme-id="study"] { --accent: #4dff88; }
[data-skin="terminal"] [data-theme-id="workout"] { --accent: #d4ff4d; }
[data-skin="terminal"] [data-theme-id="diary"] { --accent: #4dffe1; }

/* 어두운 기본 */
[data-skin="night"] {
  --bg: #161614;
  --surface: #201f1d;
  --surface-muted: #2a2926;
  --text: #ecebe7;
  --text-muted: #a3a09a;
  --border: #34322e;
  --accent: #8aa2ff;
  --accent-text: #10152b;
  --shadow: none;
  color-scheme: dark;
}
[data-skin="night"] [data-theme-id="study"] { --accent: #8aa2ff; --accent-text: #10152b; }
[data-skin="night"] [data-theme-id="workout"] { --accent: #5fcf98; --accent-text: #0b1f15; }
[data-skin="night"] [data-theme-id="diary"] { --accent: #f08dbb; --accent-text: #2a0f1c; }

/* 밝은 기본 */
[data-skin="daylight"] {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --surface-muted: #efede8;
  --text: #1d1c1a;
  --text-muted: #6b6862;
  --border: #e2dfd8;
  --accent: #3a5bd9;
  --accent-text: #ffffff;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.05), 0 4px 14px rgb(0 0 0 / 0.04);
  color-scheme: light;
}
[data-skin="daylight"] [data-theme-id="study"] { --accent: #3a5bd9; }
[data-skin="daylight"] [data-theme-id="workout"] { --accent: #1f8a5b; }
[data-skin="daylight"] [data-theme-id="diary"] { --accent: #b04a7a; }

/* 연한 강조색은 그 자리의 강조색에서 바로 만든다 (방마다 색이 달라도 한 줄로) */
:root, [data-theme-id] { --accent-soft: color-mix(in srgb, var(--accent) 16%, var(--surface)); }
[data-skin="daylight"], [data-skin="daylight"] [data-theme-id] { --accent-soft: color-mix(in srgb, var(--accent) 11%, var(--surface)); }

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.page { max-width: 960px; margin: 0 auto; padding: 32px 16px 64px; }
.page-wide { max-width: 1120px; }

/* 버튼 */
.primary-button {
  border: 0;
  border-radius: var(--radius-small);
  background: var(--accent);
  color: var(--accent-text);
  padding: 10px 16px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.primary-button:disabled { opacity: 0.6; cursor: default; }
.ghost-button {
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  padding: 7px 14px;
  cursor: pointer;
  white-space: nowrap;
  color: var(--text-muted);
}
.ghost-button.small { padding: 4px 10px; font-size: 13px; }
.icon-button {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 20px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-small);
  cursor: pointer;
  flex-shrink: 0;
}
.icon-button:hover { background: var(--surface-muted); color: var(--danger); }

/* 메인 */
.hub-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.hub-greeting { margin: 0; color: var(--text-muted); }
.hub-title { margin: 2px 0 0; font-size: 30px; letter-spacing: -0.02em; white-space: nowrap; }
.section-heading { font-size: 15px; color: var(--text-muted); font-weight: 600; margin: 32px 0 12px; }

/* 출입 기록: 오늘 날짜 · 지금 시각 · 입실 · 머문 시간 (js/presence.js) */
.checkin { display: grid; grid-template-columns: auto 1fr; align-items: end; gap: 8px 24px; padding: 20px 22px; }
.checkin-date { display: grid; gap: 2px; }
.checkin-weekday { font-size: 13px; color: var(--text-muted); letter-spacing: 0.08em; }
.checkin-date strong { font-size: 26px; font-family: var(--font-display); font-variant-numeric: tabular-nums; }
.checkin-clock { justify-self: end; font-family: var(--font-display); font-size: 34px; line-height: 1; font-variant-numeric: tabular-nums; color: var(--accent); }
.checkin-stats { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px 32px; margin: 6px 0 0; padding-top: 12px; border-top: 1px dashed var(--border); }
.checkin-stats div { display: grid; }
.checkin-stats dt { font-size: 12px; color: var(--text-muted); }
.checkin-stats dd { margin: 0; font-family: var(--font-display); font-size: 17px; font-variant-numeric: tabular-nums; }
@media (max-width: 520px) {
  .checkin { grid-template-columns: 1fr; }
  .checkin-clock { justify-self: start; font-size: 28px; }
}

/* 방: 작은 이름표로 있다가 누르면 아래 서랍이 스르륵 열린다 */
.room-row { display: flex; flex-wrap: wrap; gap: 10px; }
.room-tile {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 8px 18px 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  cursor: pointer;
  transition: border-color 0.15s, background 0.2s, transform 0.15s;
}
.room-tile:hover { border-color: var(--accent); transform: translateY(-2px); }
.room-tile[aria-expanded="true"] { border-color: var(--accent); background: var(--accent-soft); }
.tile-icon { display: inline-grid; place-items: center; color: var(--accent); transition: transform 0.2s; }
.tile-icon svg { width: 20px; height: 20px; }
.room-tile:hover .tile-icon { transform: scale(1.15) rotate(-6deg); }
.tile-name { font-weight: 700; }
.room-light { width: 8px; height: 8px; border-radius: 50%; background: var(--border); flex-shrink: 0; }
.is-lit .room-light { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
@media (hover: hover) and (pointer: fine) {
  .room-tile.is-tilting {
    transition: border-color 0.15s, background 0.2s, transform 0.08s linear;
    transform: perspective(500px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) translateY(-2px);
  }
}

/* 높이를 0fr → 1fr로 바꿔서 안 내용 높이만큼 자연스럽게 열린다 */
.room-drawer {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  margin-top: 0;
  transition: grid-template-rows 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.35s, margin-top 0.5s;
}
.room-drawer.is-open { grid-template-rows: 1fr; opacity: 1; margin-top: 12px; }
.room-drawer-inner { overflow: hidden; min-height: 0; }
.room-detail {
  display: grid;
  gap: 12px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}
.room-detail.is-swapping { animation: detail-in 0.35s ease-out; }
@keyframes detail-in { from { opacity: 0; transform: translateY(-8px); } }
.room-detail-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.room-detail-name { margin: 0; font-size: 20px; }
.room-detail-state { font-size: 12px; color: var(--text-muted); }
.room-detail.is-lit .room-detail-state { color: var(--accent); font-weight: 600; }
.room-detail-tagline { margin: 0; color: var(--text-muted); }
.room-detail-records { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 14px; }
.room-detail-records li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 10px; background: var(--surface-muted); }
.room-detail-records span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.room-detail-records time { flex-shrink: 0; font-size: 12px; color: var(--text-muted); }
.room-detail-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.room-detail-meta { font-size: 13px; color: var(--text-muted); }
a.primary-button { display: inline-block; text-decoration: none; }

.recent-item a { transition: border-color 0.15s, transform 0.15s; }
.recent-item a:hover { border-color: var(--accent); transform: translateX(4px); }
@media (prefers-reduced-motion: reduce) {
  .room-drawer { transition: none; }
  .room-detail.is-swapping { animation: none; }
  .room-tile, .room-tile:hover, .room-tile.is-tilting, .recent-item a:hover, .room-tile:hover .tile-icon { transform: none; }
}
.shortcut-icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-small);
  background: var(--accent-soft);
  color: var(--accent);
  flex-shrink: 0;
}

.lab-heading-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.lab-status { margin: 0; font-size: 13px; color: var(--text-muted); }

.recent-list, .record-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.recent-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-small);
  background: var(--surface);
  border: 1px solid var(--border);
  text-decoration: none;
}
.recent-badge {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent);
}
.recent-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recent-time { flex-shrink: 0; font-size: 12px; color: var(--text-muted); }
.empty-note { color: var(--text-muted); padding: 16px; text-align: center; border: 1px dashed var(--border); border-radius: var(--radius-small); }

/* 테마 사이트 */
.space-header { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.back-link { color: var(--text-muted); text-decoration: none; white-space: nowrap; }
.space-title-row { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.space-title { margin: 0; font-size: 24px; word-break: keep-all; }
.space-tagline { margin: 0; color: var(--text-muted); }

.space-tabs { display: none; }
.space-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 16px; align-items: start; }
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  min-width: 0;
}
.panel-heading { font-size: 16px; margin: 0 0 12px; }
.panel-heading + .record-form + .panel-heading { margin-top: 24px; }

.record-form { display: grid; gap: 12px; }
.field { display: grid; gap: 4px; }
.field span { font-size: 13px; color: var(--text-muted); font-weight: 600; }
.field input, .field select, .field textarea, .chat-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  background: var(--bg);
  padding: 9px 11px;
  resize: vertical;
}
.record-form .primary-button { justify-self: start; }

.record-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-small);
  background: var(--surface-muted);
}
.record-text { margin: 0; white-space: pre-wrap; }

.assistant-panel { position: sticky; top: 16px; display: flex; flex-direction: column; height: min(720px, calc(100vh - 32px)); }
.assistant-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.assistant-head .panel-heading { margin: 0; color: var(--accent); }
.chat-log { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 14px 2px; }
.bubble {
  max-width: 86%;
  padding: 10px 13px;
  border-radius: var(--radius);
  white-space: pre-wrap;
}
.bubble-assistant { align-self: flex-start; background: var(--accent-soft); border-top-left-radius: 4px; }
.bubble-user { align-self: flex-end; background: var(--accent); color: var(--accent-text); border-top-right-radius: 4px; }
.bubble-error { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
.bubble.is-pending { color: var(--text-muted); animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.5; } }
@media (prefers-reduced-motion: reduce) { .bubble.is-pending { animation: none; } }

.suggestions { display: flex; flex-wrap: wrap; gap: 6px; padding-bottom: 10px; }
.suggestions[hidden] { display: none; }
.chip {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-pill);
  padding: 5px 11px;
  font-size: 13px;
  cursor: pointer;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chat-form { display: flex; gap: 8px; align-items: flex-end; }
.chat-form textarea { resize: none; max-height: 160px; min-height: 42px; overflow-y: hidden; }
.chat-form textarea.is-scrollable { overflow-y: auto; }

/* 좁은 화면: 기록/도우미를 탭으로 */
@media (max-width: 760px) {
  .page { padding-top: 20px; }
  .hub-title { font-size: 26px; }
  .space-title { font-size: 20px; white-space: nowrap; }
  .space-title-row { min-width: max-content; }
  .space-tabs { display: flex; gap: 6px; margin-bottom: 12px; }
  .space-tab {
    flex: 1;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius-small);
    padding: 9px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-muted);
  }
  .space-tab.is-active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
  .space-layout { grid-template-columns: 1fr; }
  .space-layout[data-active-panel="records"] [data-panel-name="assistant"],
  .space-layout[data-active-panel="assistant"] [data-panel-name="records"] { display: none; }
  .assistant-panel { position: static; height: calc(100dvh - 190px); min-height: 420px; }
  .space-tagline { display: none; }
}

/* 메인 위쪽 버튼들 */
.header-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; align-items: center; }

/* 로그인 */
.login-page { min-height: 100dvh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(380px, 100%); display: grid; gap: 14px; padding: 28px; }
.login-card .hub-title { margin: 0; }
.login-card .hub-greeting { margin: -8px 0 4px; }
.login-card .primary-button { width: 100%; padding: 12px; }
.login-error { margin: 0; color: var(--danger); font-size: 14px; }
.login-error[hidden] { display: none; }

/* 화면 설정 톱니바퀴: 누르면 분위기·글꼴 칸이 아래로 펼쳐진다 */
.settings-menu { position: relative; }
.space-header .settings-menu { margin-left: auto; }
.settings-toggle { list-style: none; display: inline-flex; align-items: center; justify-content: center; min-width: 38px; min-height: 36px; padding: 0 9px; }
.settings-toggle::-webkit-details-marker { display: none; }
.settings-menu[open] .settings-toggle { color: var(--accent); border-color: var(--accent); }
.settings-menu[open] .settings-toggle svg { transform: rotate(60deg); }
.settings-toggle svg { transition: transform 0.25s ease; }
.settings-panel {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 20;
  display: grid; gap: 10px; padding: 14px; width: max-content; max-width: calc(100vw - 32px);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-small); box-shadow: var(--shadow);
}
.settings-panel .skin-picker { justify-content: space-between; gap: 12px; }
.settings-panel select { min-width: 190px; }
@media (prefers-reduced-motion: reduce) { .settings-toggle svg { transition: none; } }

/* 분위기·글꼴 고르기 */
.skin-picker { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.skin-picker select {
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  padding: 6px 10px;
  font-size: 16px;
  min-height: 36px;
  cursor: pointer;
}

/* ───── 분위기 꾸미기: 심해 연구기지 · 녹색 단말기 · 해커 ───── */
/* 움직이는 배경. 심해 기포와 해커 글자비는 js/ambience.js가 그림판(canvas)에 그리고, 여기서는 빛줄기·별·빛 번짐만.
   transform·opacity만 움직여서 휴대폰에서도 버벅이지 않게 한다 */
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"])::before,
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"])::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: -1;
}
/* 심해: 수면에서 비스듬히 내려오는 빛줄기가 물결처럼 흔들린다 */
[data-skin="vessel"]::before {
  inset: -10% -25%;
  background: repeating-linear-gradient(105deg,
    transparent 0 90px,
    color-mix(in srgb, var(--hud) 6%, transparent) 90px 150px,
    transparent 150px 290px);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 70%);
  mask-image: linear-gradient(to bottom, #000, transparent 70%);
  animation: light-sway 16s ease-in-out infinite alternate;
}
@keyframes light-sway { to { transform: translateX(90px) skewX(-5deg); } }
[data-skin="vessel"]::after {
  inset: 0;
  background:
    radial-gradient(ellipse 90% 45% at 50% -12%, color-mix(in srgb, var(--hud) 22%, transparent), transparent 70%),
    linear-gradient(to bottom, transparent 40%, rgb(0 0 0 / 0.45));
  animation: glow-breathe 8s ease-in-out infinite;
}
/* 단말기: 별이 떠내려가고 위쪽 빛이 숨 쉬듯 */
[data-skin="terminal"]::before {
  top: -400px;
  left: 0;
  right: 0;
  height: calc(100% + 800px);
  background-image:
    radial-gradient(1.5px 1.5px at 40px 60px, var(--hud), transparent),
    radial-gradient(1.5px 1.5px at 130px 210px, var(--text), transparent),
    radial-gradient(1px 1px at 250px 90px, var(--text-muted), transparent),
    radial-gradient(2px 2px at 330px 300px, var(--hud), transparent),
    radial-gradient(1.5px 1.5px at 90px 340px, var(--text), transparent),
    radial-gradient(1px 1px at 370px 150px, var(--text-muted), transparent);
  background-size: 400px 400px;
  opacity: 0.85;
  animation: star-drift 60s linear infinite;
}
@keyframes star-drift { to { transform: translateY(400px); } }
[data-skin="terminal"]::after {
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, color-mix(in srgb, var(--hud) 24%, transparent), transparent 70%);
  animation: glow-breathe 7s ease-in-out infinite;
}
@keyframes glow-breathe { 50% { opacity: 0.5; } }
/* 해커: 아래에서 올라오는 초록 빛 + 가장자리를 어둡게 */
[data-skin="hacker"]::before {
  inset: 0;
  background: radial-gradient(ellipse 90% 50% at 50% 115%, color-mix(in srgb, var(--hud) 16%, transparent), transparent 70%);
}
[data-skin="hacker"]::after {
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 55%, rgb(0 0 0 / 0.7));
}
/* 옛 모니터 같은 가로 주사선 (단말기·해커). 누르는 데 방해되지 않게 통과시킨다 */
:is([data-skin="terminal"], [data-skin="hacker"]) body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgb(0 0 0 / 0.35) 0 1px, transparent 1px 3px);
  z-index: 50;
}
[data-skin="hacker"] body::after { background: repeating-linear-gradient(to bottom, rgb(0 0 0 / 0.25) 0 1px, transparent 1px 3px); }

/* 심해: 판넬 모서리를 비스듬히 잘라 기지 선체 판처럼 */
[data-skin="vessel"] :is(.panel, .room-tile, .room-detail, .recent-item a, .primary-button) {
  clip-path: polygon(var(--chamfer) 0, 100% 0, 100% calc(100% - var(--chamfer)), calc(100% - var(--chamfer)) 100%, 0 100%, 0 var(--chamfer));
}
[data-skin="vessel"] :is(.room-tile, .recent-item a, .primary-button) { --chamfer: 8px; }
[data-skin="vessel"] :is(.panel, .room-detail) {
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 7%, var(--surface)), var(--surface) 55%);
}

/* 글자: 제목은 계기판 글꼴 + 은은한 빛 */
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"]) :is(.hub-title, .space-title, .room-detail-name, .panel-heading) {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  text-shadow: 0 0 14px color-mix(in srgb, var(--accent) 45%, transparent);
}
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"]) .hub-title { color: var(--hud); }
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"]) :is(.section-heading, .lab-status, .hub-greeting, .tile-name, .checkin-weekday) {
  font-family: var(--font-display);
  letter-spacing: 0.06em;
}
:is([data-skin="vessel"], [data-skin="terminal"]) .section-heading::before { content: "▸ "; color: var(--hud); }
[data-skin="terminal"] .hub-title::after { content: "_"; animation: cursor-blink 1.1s steps(1) infinite; }
@keyframes cursor-blink { 50% { opacity: 0; } }
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"]) .checkin-clock {
  text-shadow: 0 0 16px color-mix(in srgb, var(--accent) 55%, transparent);
}

[data-skin="hacker"] .hub-title { animation: glitch 5s steps(1) infinite; }
[data-skin="hacker"] .section-heading::before { content: "$ "; color: var(--hud); }
[data-skin="hacker"] .checkin-stats dt::before { content: "// "; }
@keyframes glitch {
  0%, 90%, 100% { transform: none; text-shadow: 0 0 14px color-mix(in srgb, var(--accent) 45%, transparent); }
  92% { transform: translateX(2px); text-shadow: -3px 0 #ff2b4f, 3px 0 #00e5ff; }
  94% { transform: translateX(-2px) skewX(8deg); text-shadow: 3px 0 #ff2b4f, -3px 0 #00e5ff; }
  96% { transform: none; text-shadow: -1px 0 #ff2b4f, 1px 0 #00e5ff; }
}
[data-skin="hacker"] :is(.panel, .room-tile, .room-detail, .recent-item a) {
  background: rgb(2 8 4 / 0.85);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--hud) 10%, transparent);
}

/* 방 이름표: 마우스를 올리면 빛, 불 켜진 방은 신호등처럼 깜빡 */
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"]) .room-tile:hover {
  box-shadow: 0 0 0 1px var(--accent), 0 0 22px color-mix(in srgb, var(--accent) 30%, transparent);
}
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"]) .is-lit .room-light {
  animation: beacon 2.4s ease-in-out infinite;
  box-shadow: 0 0 10px var(--accent);
}
@keyframes beacon { 50% { opacity: 0.35; } }
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"]) .primary-button {
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 35%, transparent);
}

@media (prefers-reduced-motion: reduce) {
  [data-skin]::before, [data-skin]::after,
  [data-skin] .gate-doors span, [data-skin] .gate-lamp,
  [data-skin] .is-lit .room-light,
  [data-skin] .hub-title, [data-skin="terminal"] .hub-title::after { animation: none; }
}

/* ───── 로그인 = 연구실 출입구 ───── */
.gate { width: min(400px, 100%); display: grid; gap: 12px; }
.gate .login-card { width: 100%; }
.gate-status {
  margin: 0;
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.gate-lamp { width: 10px; height: 10px; border-radius: 50%; background: #e0a33a; box-shadow: 0 0 10px #e0a33a; }
.gate-status[data-state="checking"] .gate-lamp { animation: beacon 0.6s ease-in-out infinite; }
.gate-status[data-state="denied"] { color: var(--danger); }
.gate-status[data-state="denied"] .gate-lamp { background: var(--danger); box-shadow: 0 0 12px var(--danger); }
.gate-status[data-state="open"] { color: var(--accent); }
.gate-status[data-state="open"] .gate-lamp { background: var(--accent); box-shadow: 0 0 14px var(--accent); }
.gate-note { margin: 0; text-align: center; font-size: 12px; color: var(--text-muted); letter-spacing: 0.04em; }

/* 판넬 네 귀퉁이에 조준선 같은 꺾쇠 (연구선·단말기) */
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"]) .gate .login-card {
  background:
    linear-gradient(var(--hud), var(--hud)) top 10px left 10px / 16px 2px no-repeat,
    linear-gradient(var(--hud), var(--hud)) top 10px left 10px / 2px 16px no-repeat,
    linear-gradient(var(--hud), var(--hud)) bottom 10px right 10px / 16px 2px no-repeat,
    linear-gradient(var(--hud), var(--hud)) bottom 10px right 10px / 2px 16px no-repeat,
    linear-gradient(160deg, color-mix(in srgb, var(--accent) 9%, var(--surface)), var(--surface) 60%);
}

/* 들어올 때 양쪽 문이 열리는 장면 (연구선·단말기만) */
.gate-doors { display: none; }
:is([data-skin="vessel"], [data-skin="terminal"], [data-skin="hacker"]) .gate-doors { display: block; position: fixed; inset: 0; pointer-events: none; z-index: 40; }
.gate-doors span {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background:
    repeating-linear-gradient(90deg, transparent 0 46px, color-mix(in srgb, var(--hud) 12%, transparent) 46px 48px),
    var(--surface);
  animation: door-open 1.1s 0.25s cubic-bezier(0.7, 0, 0.3, 1) forwards;
}
.gate-doors span:first-child { left: 0; border-right: 2px solid var(--hud); --door-to: -101%; }
.gate-doors span:last-child { right: 0; border-left: 2px solid var(--hud); --door-to: 101%; }
@keyframes door-open { to { transform: translateX(var(--door-to)); } }
@media (prefers-reduced-motion: reduce) { .gate-doors { display: none !important; } }

/* 좁은 화면: 방 이름표 3개가 한 줄에 들어가게 아이콘을 글자 위로 */
@media (max-width: 520px) {
  .room-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .room-tile { position: relative; flex-direction: column; justify-content: center; gap: 4px; padding: 10px 6px; }
  .room-tile .room-light { position: absolute; top: 8px; left: 8px; }
  .tile-name { font-size: 14px; }
  .hub-greeting { white-space: nowrap; }
}

/* 빠른 메모: 적으면 AI가 방으로 나눠 준다 (js/quickMemo.js) */
.quick-memo { margin-top: 16px; }
.memo-form { display: flex; gap: 10px; align-items: stretch; }
.memo-form textarea {
  flex: 1;
  min-width: 0;
  resize: vertical;
  min-height: 52px;
  padding: 10px 12px;
  font-size: 16px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
}
.memo-form textarea:focus { border-color: var(--accent); outline: none; }
.memo-hint { margin: 6px 0 0; font-size: 12px; color: var(--text-muted); }
.memo-status:not(:empty) { margin-top: 10px; padding: 10px 12px; font-size: 14px; background: var(--surface-muted); border-left: 3px solid var(--border); }
.memo-status[data-tone="done"] { border-left-color: var(--accent); }
.memo-status[data-tone="warn"] { border-left-color: #e0a33a; }
.memo-status[data-tone="busy"] { border-left-color: var(--hud, var(--accent)); }
.memo-actions { display: inline-flex; flex-wrap: wrap; gap: 6px; vertical-align: middle; }
.memo-status .memo-actions { margin-left: 4px; }
.memo-spinner { display: inline-block; width: 10px; height: 10px; margin-right: 4px; border-radius: 50%; background: var(--accent); animation: beacon 0.8s ease-in-out infinite; }
.memo-inbox { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.memo-inbox-title { font-size: 13px; color: var(--text-muted); font-weight: 600; }
.memo-waiting { display: grid; gap: 8px; padding: 10px 12px; border: 1px dashed var(--border); }
.memo-waiting p { margin: 0; display: flex; justify-content: space-between; gap: 12px; }
.memo-waiting p span { white-space: pre-wrap; min-width: 0; }
.memo-waiting time { flex-shrink: 0; font-size: 12px; color: var(--text-muted); }
@media (max-width: 520px) { .memo-form { flex-direction: column; } }
@media (prefers-reduced-motion: reduce) { .memo-spinner { animation: none; } }

/* 일정 (구글 캘린더): 한 달 칸 + 고른 날의 일정·넣기 */
.calendar { margin-bottom: 28px; }
.calendar-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.calendar-head .panel-heading { margin: 0; }
.calendar-nav { display: flex; align-items: center; gap: 6px; }
.calendar-nav[hidden] { display: none; }
.calendar-month { min-width: 96px; text-align: center; font-family: var(--font-display); font-variant-numeric: tabular-nums; }
.calendar-status:empty { display: none; }
.calendar-status { margin: 0 0 10px; padding: 8px 12px; font-size: 14px; background: var(--surface-muted); border-left: 3px solid var(--accent); }
.calendar-status.is-error { border-left-color: var(--danger); }
.calendar-connect { display: grid; gap: 12px; justify-items: start; }
.calendar-connect p { margin: 0; color: var(--text-muted); }
.calendar-weekdays, .calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.calendar-weekdays { margin-bottom: 4px; font-size: 12px; color: var(--text-muted); text-align: center; }
.calendar-weekdays span:first-child { color: var(--danger); }
.calendar-day {
  position: relative; display: flex; flex-direction: column; align-items: stretch; gap: 3px;
  min-height: 74px; padding: 5px; text-align: left; cursor: pointer; overflow: hidden;
  border: 1px solid var(--border); border-radius: var(--radius-small); background: var(--surface-muted);
}
.calendar-day:hover { border-color: var(--accent); }
.calendar-day.is-outside { opacity: 0.45; }
.calendar-day.is-sunday .calendar-date { color: var(--danger); }
.calendar-day.is-today .calendar-date { color: var(--accent-text); background: var(--accent); }
.calendar-day.is-selected { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.calendar-date { align-self: flex-start; min-width: 22px; padding: 1px 5px; font-size: 13px; font-variant-numeric: tabular-nums; border-radius: var(--radius-pill); text-align: center; }
.calendar-dot { display: none; }
.calendar-chips { display: grid; gap: 2px; min-width: 0; }
.calendar-chip { font-size: 11px; line-height: 1.35; padding: 1px 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; background: color-mix(in srgb, var(--accent) 18%, transparent); border-radius: 3px; }
.calendar-more { font-size: 11px; color: var(--text-muted); }
.calendar-detail { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); display: grid; gap: 10px; }
.calendar-detail-title { margin: 0; font-size: 15px; }
.calendar-empty { margin: 0; color: var(--text-muted); font-size: 14px; }
.calendar-events { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.calendar-events li { display: flex; align-items: center; gap: 10px; padding: 8px 10px; background: var(--surface-muted); }
.calendar-event-time { flex: none; min-width: 88px; font-size: 13px; color: var(--accent); font-variant-numeric: tabular-nums; }
.calendar-event-title { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.calendar-event-title small { display: block; color: var(--text-muted); font-size: 12px; }
.calendar-form { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.calendar-form input[name="title"] { flex: 1 1 220px; }
.calendar-form input:not([type="checkbox"]) {
  border: 1px solid var(--border); border-radius: var(--radius-small); background: var(--bg); padding: 8px 10px; min-height: 40px; font-size: 16px;
}
.calendar-form input:disabled { opacity: 0.4; }
.calendar-all-day { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; color: var(--text-muted); }
.calendar-time-sep { color: var(--text-muted); }
.calendar-footnote { margin: 0; font-size: 12px; color: var(--text-muted); }
.link-button { border: 0; background: none; padding: 0; color: var(--text-muted); text-decoration: underline; cursor: pointer; font-size: inherit; }
.link-button:hover { color: var(--danger); }

/* 좁은 화면: 칸 안 제목 대신 점 하나 */
@media (max-width: 760px) {
  .calendar-day { min-height: 46px; align-items: center; padding: 4px 2px; }
  .calendar-date { align-self: center; }
  .calendar-chips, .calendar-more { display: none; }
  .calendar-dot { display: block; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
  .calendar-event-time { min-width: 72px; }
  .calendar-form input[name="title"] { flex-basis: 100%; }
  .calendar-form input[type="time"] { flex: 1 1 0; min-width: 0; }
  .calendar-form .primary-button { flex: 1 1 100%; }
}

/* 소개·개인정보처리방침 (로그인 없이 열림, 구글 동의 화면에 적는 주소) */
.info-page { max-width: 720px; }
.info-page .panel { display: grid; gap: 6px; line-height: 1.7; }
.info-page .panel-heading { margin: 14px 0 0; }
.info-page p, .info-page ul { margin: 0; }
.info-page a { color: var(--accent); }
.info-updated { margin-top: 12px; font-size: 13px; color: var(--text-muted); }