/* ===========================================================
   MixColor — 색상 혼합 · 디자인 시스템
   색 조합: 노션 모노톤 / 버튼: 입체 그림자 / 폰트: Space Grotesk / 아이콘: 둥근 라인
   =========================================================== */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&display=swap');

:root{
  --primary:#2383E2;
  --primary-dark:#1a6bc4;
  --text:#191919;
  --sub:#787774;
  --bg:#FFFFFF;
  --surface:#F7F6F3;
  --border:#E9E9E7;

  --radius:10px;
  --shadow-btn:0 6px 14px rgba(0,0,0,.25);
  --shadow-card:0 2px 10px rgba(25,25,25,.06);
  --shadow-card-hover:0 10px 24px rgba(25,25,25,.10);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Space Grotesk',sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-weight:700; margin:0}
p{margin:0}
button{font-family:inherit}

.icon{
  width:22px;height:22px;
  fill:none;stroke:currentColor;
  stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;
}

/* ---------- Layout shell ---------- */
.site-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 28px;
  border-bottom:1px solid var(--border);
  background:var(--bg);
  position:sticky;top:0;z-index:50;
}
.brand{
  display:flex;align-items:center;gap:8px;
  font-weight:700;font-size:18px;letter-spacing:-.02em;
}
.brand .brand-dot{
  width:15px;height:15px;border-radius:50%;display:inline-block;
  background:conic-gradient(#E4572E,#F2994A,#CBA135,#2E7D32,#0F8B8D,#2383E2,#5B4FCF,#D6336C,#E4572E);
  box-shadow:0 1px 3px rgba(0,0,0,.25);
}
.brand .brand-word{letter-spacing:-.01em}
.main-nav{display:flex;gap:22px;align-items:center}
.main-nav a{
  color:var(--sub);text-decoration:none;font-weight:500;font-size:14px;
  transition:.15s;
}
.main-nav a.active,.main-nav a:hover{color:var(--text)}

.lang-switch{
  display:flex;border:1px solid var(--border);border-radius:8px;overflow:hidden;
}
.lang-switch button{
  border:none;background:var(--bg);color:var(--sub);
  padding:6px 10px;font-size:12px;font-weight:700;cursor:pointer;
}
.lang-switch button.active{background:var(--surface);color:var(--text)}

.page{max-width:1040px;margin:0 auto;padding:48px 24px 96px}

/* ---------- Buttons (입체 그림자) ---------- */
.btn{
  border-radius:var(--radius);
  padding:12px 20px;
  font-weight:700;
  background:var(--primary);
  color:#fff;
  border:none;
  box-shadow:var(--shadow-btn);
  cursor:pointer;
  transition:.15s;
  font-size:15px;
  display:inline-flex;align-items:center;gap:8px;
  text-decoration:none;
}
.btn:hover{transform:translateY(-1px); box-shadow:0 9px 18px rgba(0,0,0,.30);}
.btn:disabled{
  opacity:.35;cursor:not-allowed;box-shadow:none;transform:none;
}
.btn.secondary{
  background:var(--surface); color:var(--text);
  box-shadow:0 3px 8px rgba(0,0,0,.10);
  border:1px solid var(--border);
}
.btn.secondary:hover{box-shadow:0 6px 14px rgba(0,0,0,.14)}
.btn.ghost{
  background:transparent;color:var(--sub);box-shadow:none;border:1px solid var(--border);
  font-weight:500;
}
.btn.ghost:hover{color:var(--text);transform:none;box-shadow:none;border-color:var(--sub)}

/* ---------- Hero ---------- */
.hero{text-align:center;margin-bottom:52px}
.hero .eyebrow{
  color:var(--primary);font-weight:700;font-size:13px;letter-spacing:.06em;
  text-transform:uppercase;margin-bottom:10px;
}
.hero h1{font-size:38px;letter-spacing:-.02em;line-height:1.25}
.hero p{color:var(--sub);margin-top:12px;font-size:15px}

/* ---------- Step: count selector ---------- */
.count-select{
  display:flex;justify-content:center;gap:14px;margin:0 0 56px;
  flex-wrap:wrap;
}
.count-card{
  width:96px;height:96px;border-radius:16px;
  border:1px solid var(--border);background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  cursor:pointer;transition:.18s;
  box-shadow:var(--shadow-card);
}
.count-card:hover{box-shadow:var(--shadow-card-hover); transform:translateY(-2px)}
.count-card .n{font-size:28px;font-weight:700}
.count-card .label{font-size:11px;color:var(--sub)}
.count-card.selected{
  border-color:var(--primary); background:#EAF3FD;
  box-shadow:0 6px 16px rgba(35,131,226,.25);
}

/* ---------- Per-slot color search ---------- */
.search-row{
  display:flex;gap:12px;flex-wrap:wrap;justify-content:center;width:100%;
}
.search-field{
  position:relative;width:168px;
}
.search-field .search-label{
  font-size:11px;color:var(--sub);font-weight:700;margin-bottom:6px;display:block;
}
.search-field .search-input-shell{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--border);border-radius:9px;
  background:var(--bg);padding:0 10px;
  transition:.15s;
}
.search-field .search-input-shell:focus-within{
  border-color:var(--primary); box-shadow:0 0 0 3px rgba(35,131,226,.14);
}
.search-field.filled .search-input-shell{border-color:transparent}
.search-swatch-dot{
  width:16px;height:16px;border-radius:50%;flex:0 0 auto;
  background:var(--border);
}
.search-field input{
  border:none;outline:none;background:transparent;
  padding:9px 0;font-size:13px;width:100%;font-family:inherit;color:var(--text);
}
.search-field input::placeholder{color:#B9B8B4}

.search-dropdown{
  position:absolute;top:calc(100% + 6px);left:0;right:0;
  background:var(--bg);border:1px solid var(--border);border-radius:10px;
  box-shadow:var(--shadow-card-hover);
  overflow:hidden;z-index:30;
  max-height:220px;overflow-y:auto;
}
.search-dropdown-item{
  display:flex;align-items:center;gap:8px;
  padding:8px 10px;cursor:pointer;font-size:13px;
}
.search-dropdown-item:hover{background:var(--surface)}
.search-dropdown-item .dot{width:16px;height:16px;border-radius:50%;flex:0 0 auto}
.search-dropdown-item .hex{color:var(--sub);font-size:11px;margin-left:auto}
.search-dropdown-empty{padding:10px;font-size:12px;color:var(--sub)}

/* ---------- Gallery page ---------- */
.gallery-head{
  display:flex;align-items:baseline;justify-content:space-between;
  margin-bottom:28px;flex-wrap:wrap;gap:10px;
}
.gallery-head h2{font-size:22px;letter-spacing:-.01em}
.gallery-count{color:var(--sub);font-size:13px}

.gallery-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(220px, 1fr));
  gap:20px;
}
.gallery-card{
  border:1px solid var(--border);border-radius:16px;
  background:var(--bg);padding:20px;
  display:flex;flex-direction:column;gap:14px;
  box-shadow:var(--shadow-card);
  transition:.18s;
}
.gallery-card:hover{box-shadow:var(--shadow-card-hover); transform:translateY(-2px)}

.gallery-result{
  display:flex;align-items:center;gap:12px;
}
.gallery-result-swatch{
  width:56px;height:56px;border-radius:50%;flex:0 0 auto;
  border:3px solid var(--surface);
  box-shadow:0 4px 10px rgba(0,0,0,.14);
}
.gallery-result-info .name{font-weight:700;font-size:15px}
.gallery-result-info .hex{color:var(--sub);font-size:12px}

.gallery-ingredients{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
}
.gallery-ingredients .ing-dot{
  width:20px;height:20px;border-radius:50%;
  border:2px solid var(--bg);box-shadow:0 0 0 1px var(--border);
}
.gallery-ingredients .plus{color:var(--sub);font-size:12px}

.gallery-meta{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--border);padding-top:12px;margin-top:auto;
}
.gallery-author{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text);font-weight:500;
}
.gallery-avatar{
  width:22px;height:22px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:var(--sub);
}
.gallery-time{font-size:12px;color:var(--sub)}

/* ---------- Mixing stage ---------- */
.stage{
  display:none;
  flex-direction:column;align-items:center;gap:40px;
}
.stage.visible{display:flex}

.stage-top{
  display:flex;align-items:center;justify-content:center;gap:56px;
  flex-wrap:wrap;width:100%;
}

/* Color wheel */
.wheel-wrap{
  position:relative;width:320px;height:320px;flex:0 0 auto;
}
.wheel{
  position:relative;width:100%;height:100%;border-radius:50%;
  border:1px solid var(--border);
  background:var(--surface);
}
.swatch{
  position:absolute;width:44px;height:44px;border-radius:50%;
  top:50%;left:50%;
  transform-origin:center;
  border:3px solid #fff;
  box-shadow:0 2px 6px rgba(0,0,0,.18);
  cursor:pointer;
  transition:transform .15s;
}
.swatch:hover{transform:scale(1.18) translate(var(--tx),var(--ty)) !important; z-index:5}
.swatch.used{opacity:.28; pointer-events:none}

.swatch-tooltip{
  position:absolute;
  bottom:calc(100% + 10px);left:50%;transform:translateX(-50%);
  background:var(--text);color:#fff;
  padding:6px 10px;border-radius:8px;font-size:12px;font-weight:500;
  white-space:nowrap;pointer-events:none;
  opacity:0;transition:opacity .12s;
}
.swatch:hover .swatch-tooltip{opacity:1}

/* Center label inside wheel */
.wheel-center-label{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  text-align:center;color:var(--sub);font-size:12px;width:100px;
  pointer-events:none;
}

/* Palette (center mixing bowl) */
.palette-wrap{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  flex:0 0 auto;
}
.palette-bowl{
  width:180px;height:180px;border-radius:50%;
  background:var(--bg);
  border:3px dashed var(--border);
  display:flex;align-items:center;justify-content:center;
  position:relative;
}
.palette-slots{
  display:flex;gap:10px;flex-wrap:wrap;justify-content:center;max-width:130px;
}
.palette-slot{
  width:38px;height:38px;border-radius:50%;
  border:2px dashed var(--border);
  background:var(--surface);
  transition:.25s;
}
.palette-slot.filled{
  border-style:solid; border-color:transparent;
  box-shadow:0 2px 8px rgba(0,0,0,.18);
  animation:pop .28s ease;
}
@keyframes pop{
  0%{transform:scale(.4)}
  70%{transform:scale(1.15)}
  100%{transform:scale(1)}
}
.palette-caption{color:var(--sub);font-size:13px;text-align:center}
.palette-caption b{color:var(--text)}

/* Flying paint dot */
.flying-dot{
  position:fixed;border-radius:50%;
  pointer-events:none;z-index:999;
  box-shadow:0 4px 10px rgba(0,0,0,.25);
  transition:top .55s cubic-bezier(.2,.7,.3,1), left .55s cubic-bezier(.2,.7,.3,1),
             width .55s ease, height .55s ease, opacity .55s ease;
}

/* Mix button row */
.mix-actions{display:flex;gap:12px;align-items:center}

/* Mixing swirl overlay */
.mix-swirl{
  display:none;
  width:180px;height:180px;border-radius:50%;
  position:relative;overflow:hidden;
}
.mix-swirl.spinning{display:block}
.mix-swirl .disc{
  position:absolute;inset:0;border-radius:50%;
  animation:spin 1.1s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg) } }

/* Result */
.result-card{
  display:none;
  flex-direction:column;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:20px;padding:36px 40px;width:100%;max-width:420px;
  box-shadow:var(--shadow-card);
}
.result-card.visible{display:flex; animation:fadein .4s ease}
@keyframes fadein{from{opacity:0; transform:translateY(8px)} to{opacity:1; transform:none}}
.result-swatch{
  width:120px;height:120px;border-radius:50%;
  border:5px solid #fff; box-shadow:0 8px 24px rgba(0,0,0,.18);
}
.result-name{font-size:20px;font-weight:700}
.result-hex{
  color:var(--sub); font-size:14px; letter-spacing:.04em;
  background:var(--bg); border:1px solid var(--border);
  padding:4px 10px;border-radius:8px; cursor:pointer;
}
.result-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}

/* History */
.history{margin-top:64px}
.history h3{font-size:15px;color:var(--sub);margin-bottom:14px;font-weight:700}
.history-list{display:flex;gap:12px;flex-wrap:wrap}
.history-chip{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--border);border-radius:999px;
  padding:6px 12px 6px 6px;background:var(--bg);
  cursor:pointer;transition:.15s;
}
.history-chip:hover{box-shadow:var(--shadow-card-hover); transform:translateY(-1px)}
.history-chip .swatch-mini{width:22px;height:22px;border-radius:50%}
.history-chip span{font-size:12px;color:var(--sub);font-weight:500}
.history-empty{color:var(--sub);font-size:13px}

/* Responsive */
@media (max-width:720px){
  .site-header{padding:14px 16px}
  .main-nav{gap:14px}
  .hero h1{font-size:28px}
  .wheel-wrap{width:260px;height:260px}
  .stage-top{gap:28px}
  .palette-bowl{width:150px;height:150px}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001s !important; transition-duration:.001s !important}
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--border);
  margin-top:64px;
}
.footer-inner{
  max-width:1040px;margin:0 auto;
  padding:28px 24px;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
}
.footer-copy{color:var(--sub);font-size:13px}
.footer-nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-nav a{
  color:var(--sub);text-decoration:none;font-size:13px;font-weight:500;
  transition:.15s;
}
.footer-nav a:hover{color:var(--text)}

/* ---------- Simple content pages (about / privacy / contact) ---------- */
.content-page h2{font-size:22px;margin:32px 0 12px}
.content-page h2:first-child{margin-top:0}
.content-page p{color:var(--text);line-height:1.75;margin-bottom:14px;font-size:15px}
.content-page ul{color:var(--text);line-height:1.75;margin:0 0 14px;padding-left:20px;font-size:15px}
.content-page .updated{color:var(--sub);font-size:13px;margin-bottom:36px}
.contact-email{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:8px;font-weight:700;color:var(--primary);text-decoration:none;
  font-size:16px;
}
.contact-email:hover{text-decoration:underline}