/* ============ My Stage — 치수쌤 웹앱 표준 (KRDS + 파스텔) ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* KRDS 기본 */
  --color-primary: #006DD2;
  --color-primary-light: #E8F3FF;
  --color-secondary: #00A68A;
  --color-error: #D32F2F;
  --color-warning: #F57C00;
  --color-success: #388E3C;

  /* 치수쌤 파스텔 팔레트 */
  --color-pastel-blue:   #BFD9F2;
  --color-pastel-green:  #C8EDD9;
  --color-pastel-yellow: #FFF3B0;
  --color-pastel-pink:   #FFD6E0;
  --color-pastel-blue-dark:   #1A5F8A;
  --color-pastel-green-dark:  #1A6B47;
  --color-pastel-yellow-dark: #7A6000;
  --color-pastel-pink-dark:   #8A2840;

  /* 무채색 */
  --color-gray-900: #1A1A1A;
  --color-gray-700: #404040;
  --color-gray-500: #767676;
  --color-gray-300: #B2B2B2;
  --color-gray-200: #D9D9D9;
  --color-gray-100: #F5F5F5;
  --color-white:    #FFFFFF;

  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 40px;
}

html, body { height: 100%; overflow: hidden; }
body {
  font-family: 'Pretendard GOV Variable', 'Pretendard GOV', 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  color: var(--color-gray-900);
  background: var(--color-gray-100);
  display: flex; flex-direction: column;
  user-select: none;
}
button { font-family: inherit; }
:focus-visible { outline: 3px solid rgba(0,109,210,.45); outline-offset: 1px; border-radius: var(--border-radius-sm); }
.hidden { display: none !important; }

/* 픽셀 아트 타이틀 폰트 */
.pixel { font-family: 'Press Start 2P', monospace; letter-spacing: 0; line-height: 1.3; }

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 14px; border-radius: var(--border-radius-md);
  font-size: 14px; font-weight: 600; cursor: pointer; border: none;
  transition: background .15s, transform .05s, box-shadow .15s;
  white-space: nowrap; color: var(--color-gray-700); background: var(--color-white);
}
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--color-primary); color: #fff; }
.btn.primary:hover { background: #0056A8; }
.btn.secondary { background: var(--color-gray-100); color: var(--color-gray-700); border: 1px solid var(--color-gray-300); }
.btn.secondary:hover { background: var(--color-gray-200); }
.btn.ghost { background: transparent; border: 1px solid transparent; color: var(--color-gray-700); }
.btn.ghost:hover { background: var(--color-primary-light); color: var(--color-primary); }
.btn.learn { background: var(--color-pastel-blue); color: var(--color-pastel-blue-dark); }
.btn.learn:hover { background: #ace0ff; }
.btn.danger { background: #FDECEC; color: var(--color-error); border: 1px solid #F5C6C6; }
.btn.danger:hover { background: #FADADA; }
.btn.big { font-size: 16px; padding: 13px 26px; border-radius: var(--border-radius-lg); }
.btn.wide { width: 100%; }
.btn.tiny { font-size: 13px; padding: 5px 10px; background: var(--color-white); border: 1px dashed var(--color-gray-300); color: var(--color-gray-500); }
.btn.tiny:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn.icon-only { padding: 8px; }
.btn .material-icons-outlined { font-size: 18px; }

/* ---------- 스위치 토글 ---------- */
.switch {
  width: 44px; height: 24px; border-radius: 999px; border: none; cursor: pointer;
  background: var(--color-gray-300); position: relative; transition: background .2s; flex-shrink: 0;
}
.switch::after {
  content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px;
  border-radius: 50%; background: #fff; transition: left .2s; box-shadow: 0 1px 3px rgba(0,0,0,.25);
}
.switch.on { background: var(--color-primary); }
.switch.on::after { left: 23px; }

/* ---------- 상단 바 ---------- */
#topbar {
  display: flex; align-items: center; gap: var(--spacing-md);
  padding: 8px var(--spacing-md);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  flex-wrap: wrap; z-index: 20;
}
.logo { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.logo .logo-star { font-size: 20px; }
.logo strong.pixel { color: var(--color-primary); font-size: 14px; }
.logo-sub { font-size: 12px; color: var(--color-gray-500); }

.select-wrap { display: flex; align-items: center; gap: 6px; color: var(--color-gray-500); }
.select-wrap select {
  background: var(--color-white); color: var(--color-gray-900);
  border: 1px solid var(--color-gray-300); border-radius: var(--border-radius-md);
  padding: 8px 10px; font-size: 14px; font-family: inherit; font-weight: 600; cursor: pointer;
}
.select-wrap select:hover { border-color: var(--color-primary); }

.top-right { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.btn .caret { font-size: 16px; margin-left: -2px; }

.menu-wrap { position: relative; }
.menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 50;
  background: var(--color-white); border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md); box-shadow: 0 8px 24px rgba(0,0,0,.14);
  padding: 6px; min-width: 190px; display: flex; flex-direction: column;
}
.menu button {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  background: none; border: none; border-radius: var(--border-radius-sm);
  font-size: 14px; color: var(--color-gray-700); cursor: pointer; text-align: left;
}
.menu button:hover { background: var(--color-primary-light); color: var(--color-primary); }
.menu .material-icons-outlined { font-size: 18px; }

/* ---------- 장면 바 ---------- */
#sceneBar {
  display: flex; align-items: center; gap: var(--spacing-sm);
  padding: 6px var(--spacing-md);
  background: var(--color-gray-100); border-bottom: 1px solid var(--color-gray-200);
  flex-wrap: wrap; z-index: 15;
}
.scene-label { display: flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 700; color: var(--color-gray-700); }
.scene-label .material-icons-outlined { font-size: 17px; color: var(--color-primary); }
#sceneTabs { display: flex; gap: 5px; flex-wrap: wrap; }
.scene-tab {
  display: flex; align-items: center; gap: 5px;
  background: var(--color-white); border: 1px solid var(--color-gray-300); color: var(--color-gray-700);
  border-radius: 999px; padding: 5px 10px 5px 13px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.scene-tab.active { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-light); }
.scene-tab .sx { font-size: 13px; opacity: .5; padding: 0 2px; }
.scene-tab .sx:hover { opacity: 1; color: var(--color-error); }

/* ---------- 레이아웃 ---------- */
#app { flex: 1; display: flex; min-height: 0; }

#sidebar {
  width: 262px; min-width: 262px;
  background: var(--color-white);
  border-right: 1px solid var(--color-gray-200);
  display: flex; flex-direction: column; z-index: 10;
}
#modeTabs { display: flex; padding: 8px 8px 0; gap: 3px; }
.mode-tab {
  flex: 1; background: none; border: none; cursor: pointer;
  color: var(--color-gray-500); padding: 8px 2px 7px;
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-size: 12px; font-weight: 700; border-bottom: 3px solid transparent;
}
.mode-tab .mt-ic { font-size: 21px; }
.mode-tab.active { background: var(--color-primary-light); color: var(--color-primary); border-bottom-color: var(--color-primary); }
.mode-tab:hover { color: var(--color-primary); }

#palette { flex: 1; overflow-y: auto; padding: 10px; display: flex; flex-direction: column; gap: 10px; background: var(--color-gray-100); }
.pal-page { display: flex; flex-direction: column; gap: 10px; }

.pal-card {
  background: var(--color-white); border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg); padding: 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
}
.pal-card h3 { display: flex; align-items: center; gap: 6px; font-size: 15px; margin-bottom: 8px; color: var(--color-gray-900); }
.pal-card h3 .material-icons-outlined { font-size: 18px; color: var(--color-primary); }
.pal-card.tip {
  background: var(--color-pastel-yellow); border-color: #EBDD8E;
  color: var(--color-pastel-yellow-dark); font-size: 13px; line-height: 1.6;
}
.pal-help { font-size: 12.5px; color: var(--color-gray-500); line-height: 1.55; margin-bottom: 10px; }
.pal-help b { color: var(--color-gray-700); }

/* 보기 탭 */
.view-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.vbig {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 11px 4px; font-size: 20px; cursor: pointer;
  background: var(--color-gray-100); border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md); font-weight: 600;
}
.vbig span { font-size: 12px; color: var(--color-gray-700); }
.vbig:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.opt-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 7px 0; font-size: 13.5px; color: var(--color-gray-700); }
.opt-row.slim { padding-bottom: 2px; }
.opt-row em { font-style: normal; color: var(--color-primary); font-weight: 700; }

/* 요소 목록 */
#elementList .el-group-title { font-size: 12.5px; color: var(--color-primary); margin: 10px 0 5px; font-weight: 700; }
#elementList .el-group-title:first-child { margin-top: 0; }
.el-row {
  display: flex; align-items: center; gap: 8px;
  background: var(--color-gray-100); border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-md); padding: 7px 9px; margin-bottom: 5px;
  font-size: 13px; cursor: pointer; color: var(--color-gray-700);
}
.el-row:hover { border-color: var(--color-primary); }
.el-row.sel { border-color: var(--color-primary); background: var(--color-primary-light); }
.el-row .eic { font-size: 16px; }
.el-row .enm { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.el-row .edel { background: none; border: none; cursor: pointer; color: var(--color-gray-500); display: flex; }
.el-row .edel .material-icons-outlined { font-size: 17px; }
.el-row .edel:hover { color: var(--color-error); }
.el-empty { font-size: 12.5px; color: var(--color-gray-500); padding: 4px 0 8px; }

/* 만들기 탭 */
.shape-toggle { display: flex; gap: 6px; }
.shape-btn {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 8px 4px; border-radius: var(--border-radius-md); cursor: pointer;
  background: var(--color-gray-100); color: var(--color-gray-700);
  border: 2px solid var(--color-gray-200); font-size: 17px;
}
.shape-btn span { font-size: 12px; font-weight: 700; }
.shape-btn.active { border-color: var(--color-primary); background: var(--color-primary-light); color: var(--color-primary); }
.shape-btn.active span { color: var(--color-primary); }

.swatch-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; }
.swatch {
  aspect-ratio: 1; border-radius: var(--border-radius-md); cursor: pointer;
  border: 2px solid var(--color-gray-200); overflow: hidden; padding: 0; background: #000;
}
.swatch img { width: 100%; height: 100%; image-rendering: pixelated; display: block; }
.swatch.active { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(0,109,210,.25); }
.swatch:hover { border-color: var(--color-primary); }

/* 꾸미기 탭 */
.cat-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 10px; }
.cat-chip {
  background: var(--color-gray-100); border: 1px solid var(--color-gray-200); color: var(--color-gray-700);
  border-radius: 999px; padding: 6px 11px; font-size: 12.5px; font-weight: 600; cursor: pointer;
}
.cat-chip.active { color: #fff; border-color: var(--color-primary); background: var(--color-primary); }

.card-list { display: flex; flex-direction: column; gap: 6px; }
.pcard {
  display: flex; align-items: center; gap: 10px; text-align: left;
  background: var(--color-gray-100); border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius-md); padding: 8px 10px; cursor: pointer; color: var(--color-gray-900);
}
.pcard.active { border-color: var(--color-primary); background: var(--color-primary-light); }
.pcard:hover { border-color: var(--color-primary); }
.pcard .ic { font-size: 22px; }
.pcard .nm { font-size: 13.5px; font-weight: 700; }
.pcard .ds { font-size: 11.5px; color: var(--color-gray-500); line-height: 1.35; }

/* 조명 탭 */
.light-mode-toggle, .music-tabs { display: flex; gap: 6px; margin-bottom: 10px; }
.lm-btn, .mtab {
  flex: 1; padding: 8px; border-radius: var(--border-radius-md); cursor: pointer;
  font-size: 13px; font-weight: 700;
  background: var(--color-gray-100); color: var(--color-gray-500); border: 2px solid var(--color-gray-200);
}
.lm-btn.active, .mtab.active { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }

.preset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.preset-btn {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px; text-align: left;
  background: var(--color-gray-100); border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius-md); padding: 9px 10px; cursor: pointer; color: var(--color-gray-900);
}
.preset-btn:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.preset-btn .pe { font-size: 19px; }
.preset-btn .pn { font-size: 12.5px; font-weight: 700; }
.preset-btn .pd { font-size: 10.5px; color: var(--color-gray-500); line-height: 1.35; }

input[type="range"] { width: 100%; accent-color: var(--color-primary); cursor: pointer; }
.input {
  width: 100%; padding: 9px 12px; border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-md); font-family: inherit; font-size: 14px;
  color: var(--color-gray-900); outline: none; margin-bottom: 6px; background: #fff;
}
.input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(0,109,210,.15); }

/* 공연 탭 */
.cue-list { display: flex; flex-direction: column; gap: 5px; margin: 10px 0 6px; }
.cue-chip {
  display: flex; align-items: center; gap: 6px;
  background: var(--color-gray-100); border: 2px solid var(--color-gray-200); color: var(--color-gray-700);
  border-radius: var(--border-radius-md); padding: 8px 10px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.cue-chip.active { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }
.cue-chip .cnm { flex: 1; }
.cue-chip .cx { opacity: .5; display: flex; }
.cue-chip .cx .material-icons-outlined { font-size: 16px; }
.cue-chip .cx:hover { opacity: 1; color: var(--color-error); }
.cue-empty { font-size: 12.5px; color: var(--color-gray-500); padding: 6px 0; }

.music-body { margin-bottom: 10px; }
.music-name { font-size: 12px; color: var(--color-gray-500); margin-top: 6px; line-height: 1.45; }
.music-controls { display: flex; align-items: center; gap: 8px; border-top: 1px solid var(--color-gray-200); padding-top: 10px; }
.music-controls .vol-ic { font-size: 18px; color: var(--color-gray-500); }
#mLoop.on { background: var(--color-primary-light); color: var(--color-primary); border-color: var(--color-primary); }
#ytHost { position: fixed; width: 1px; height: 1px; overflow: hidden; opacity: .01; pointer-events: none; }

/* ---------- 뷰포트 ---------- */
#viewport { flex: 1; position: relative; min-width: 0; background: #111; }
#stage3d { width: 100%; height: 100%; display: block; touch-action: none; }

.perform-pill {
  position: absolute; top: 12px; left: 12px; z-index: 14;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 18px; border-radius: 999px; border: none; cursor: pointer;
  font-size: 14.5px; font-weight: 700; font-family: inherit;
  background: rgba(255,255,255,.94); color: var(--color-gray-900);
  box-shadow: 0 4px 14px rgba(0,0,0,.3);
  transition: background .2s, color .2s, transform .05s;
}
.perform-pill:hover { transform: scale(1.03); }
.perform-pill.on { background: #3b2a75; color: #fff; box-shadow: 0 4px 18px rgba(90,60,220,.55); }

#hintbar {
  position: absolute; left: 50%; bottom: 56px; transform: translateX(-50%);
  background: rgba(255,255,255,.92); border: 1px solid var(--color-gray-200);
  padding: 7px 16px; border-radius: 999px; font-size: 12.5px; color: var(--color-gray-700);
  pointer-events: none; white-space: nowrap; max-width: 92%;
  overflow: hidden; text-overflow: ellipsis; box-shadow: 0 2px 10px rgba(0,0,0,.18);
}
#viewButtons { position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); display: flex; gap: 6px; }
.vbtn {
  background: rgba(255,255,255,.92); color: var(--color-gray-700);
  border: 1px solid var(--color-gray-200); border-radius: 999px;
  padding: 7px 13px; font-size: 13px; font-weight: 600; cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.vbtn:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---------- 사이드 팝업 패널 ---------- */
.side-panel {
  position: absolute; top: 12px; right: 12px; width: 252px;
  background: rgba(255,255,255,.97); border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius-lg); padding: 14px;
  box-shadow: 0 10px 34px rgba(0,0,0,.28); z-index: 16;
  max-height: calc(100% - 76px); overflow-y: auto;
}
.sp-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; font-weight: 700; font-size: 15px; }
.sp-close { background: none; border: none; color: var(--color-gray-500); cursor: pointer; display: flex; }
.sp-close:hover { color: var(--color-gray-900); }
.lp-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; font-size: 13px; }
.lp-row.col { flex-direction: column; align-items: stretch; }
.lp-row span { color: var(--color-gray-500); font-weight: 600; }
.lp-row em { font-style: normal; color: var(--color-primary); font-weight: 700; }
.lp-row .btn { flex: 1; }
.gel-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 5px; margin: 6px 0; }
.gel { aspect-ratio: 1; border-radius: 6px; border: 2px solid rgba(0,0,0,.12); cursor: pointer; }
.gel:hover, .gel.active { border-color: var(--color-gray-900); }
#lpCustomColor { width: 100%; height: 28px; border: 1px solid var(--color-gray-300); border-radius: 6px; background: none; cursor: pointer; }

/* ---------- 모달 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(15,20,30,.6); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
}
.modal-box {
  background: var(--color-white); border-radius: 20px; padding: 30px;
  max-width: 880px; width: 92%; max-height: 88vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
.welcome { text-align: center; }
.welcome h1 { font-size: 26px; margin-bottom: 14px; }
.welcome h1 .pixel { font-size: 26px; color: var(--color-primary); }
.welcome h1 .logo-star { font-size: 30px; }
.welcome-sub { color: var(--color-gray-500); line-height: 1.65; margin-bottom: 22px; font-size: 15px; }
.welcome-sub b { color: var(--color-gray-900); }
.stage-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(148px, 1fr)); gap: 10px; margin-bottom: 18px; }
.scard {
  background: var(--color-gray-100); border: 2px solid var(--color-gray-200); border-radius: var(--border-radius-lg);
  padding: 16px 8px; cursor: pointer; color: var(--color-gray-900);
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  transition: transform .12s, border-color .12s, background .12s;
}
.scard:hover { transform: translateY(-4px); border-color: var(--color-primary); background: var(--color-primary-light); }
.scard .em { font-size: 33px; }
.scard .nm { font-weight: 700; font-size: 14px; }
.scard .ds { font-size: 11.5px; color: var(--color-gray-500); line-height: 1.45; }

/* 튜토리얼 */
.tutorial { text-align: center; max-width: 720px; }
.tutorial h2 { font-size: 22px; margin-bottom: 18px; }
.tut-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tut-step { border-radius: var(--border-radius-lg); padding: 18px 14px; position: relative; text-align: center; }
.tut-step.blue  { background: var(--color-pastel-blue);  color: var(--color-pastel-blue-dark); }
.tut-step.green { background: var(--color-pastel-green); color: var(--color-pastel-green-dark); }
.tut-step.pink  { background: var(--color-pastel-pink);  color: var(--color-pastel-pink-dark); }
.tut-num {
  position: absolute; top: 10px; left: 10px; width: 24px; height: 24px; border-radius: 50%;
  background: rgba(255,255,255,.85); font-weight: 800; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.tut-emoji { font-size: 34px; margin-bottom: 6px; }
.tut-step h4 { font-size: 15px; margin-bottom: 6px; }
.tut-step p { font-size: 12.5px; line-height: 1.55; }
.tut-sub { opacity: .75; font-size: 11.5px; }
.tut-extra { font-size: 13px; color: var(--color-gray-500); margin-bottom: 16px; }
.tut-extra b { color: var(--color-gray-700); }

/* 배움터 */
.edu-box { max-width: 780px; }
.edu-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.edu-head h2 { color: var(--color-primary); font-size: 21px; }
#eduTabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
#eduTabs button {
  background: var(--color-gray-100); border: 1px solid var(--color-gray-200); color: var(--color-gray-500);
  border-radius: 999px; padding: 8px 15px; font-size: 13.5px; font-weight: 600; cursor: pointer;
}
#eduTabs button.active { color: #fff; border-color: var(--color-primary); background: var(--color-primary); }
#eduContent { font-size: 14.5px; line-height: 1.75; color: var(--color-gray-700); user-select: text; }
#eduContent h3 { color: var(--color-primary); margin: 18px 0 8px; font-size: 16.5px; }
#eduContent h3:first-child { margin-top: 0; }
#eduContent p { margin-bottom: 10px; }
#eduContent ul { margin: 0 0 12px 20px; }
#eduContent li { margin-bottom: 6px; }
#eduContent b { color: var(--color-gray-900); }
#eduContent .term { color: var(--color-pastel-blue-dark); font-weight: 700; }
#eduContent .edu-note {
  background: var(--color-pastel-blue); color: var(--color-pastel-blue-dark);
  border-left: 4px solid var(--color-primary);
  padding: 10px 14px; border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0; margin: 12px 0; font-size: 13.5px;
}
#eduContent table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: 13.5px; }
#eduContent th, #eduContent td { border: 1px solid var(--color-gray-200); padding: 7px 10px; text-align: center; }
#eduContent th { background: var(--color-gray-100); color: var(--color-primary); }

/* ---------- 토스트 ---------- */
#toasts { position: fixed; top: 60px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast {
  background: var(--color-gray-900); color: #fff;
  padding: 10px 20px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  animation: toastIn .25s ease, toastOut .4s ease 2.4s forwards;
  box-shadow: 0 6px 20px rgba(0,0,0,.3);
}
@keyframes toastIn { from { opacity: 0; transform: translateY(-12px); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(-8px); } }

/* ---------- 푸터 (치수쌤 표준) ---------- */
.chichiboo-footer {
  width: 100%; padding: 7px var(--spacing-lg);
  background-color: var(--color-gray-100);
  border-top: 1px solid var(--color-gray-200);
  text-align: center;
}
.chichiboo-footer a {
  display: inline-flex; align-items: center; gap: var(--spacing-xs);
  font-size: 12.5px; color: var(--color-gray-500);
  text-decoration: none; transition: color 0.2s;
}
.chichiboo-footer a:hover { color: var(--color-primary); }
.chichiboo-footer .material-icons-outlined { font-size: 15px; }

/* ---------- 반응형 ---------- */
@media (max-width: 900px) {
  .logo-sub, .btn-label { display: none; }
  #sidebar { width: 220px; min-width: 220px; }
  .swatch-grid { grid-template-columns: repeat(3, 1fr); }
  .preset-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  #app { flex-direction: column-reverse; }
  #sidebar { width: 100%; min-width: 0; max-height: 45%; border-right: none; border-top: 1px solid var(--color-gray-200); }
  #viewButtons { display: none; }
}