/* ═══════════════════════════════════════════════════════════════
   KOSMOS Design System v2 — OPEN (Bright Modern)
   No emoji. No clutter. Information, space, weight.

   Typography
   - Display / Numbers : Fraunces (Serif)
   - Body              : Inter → Pretendard → system

   4-Axis
   - Frontier   (지평확장) #7C5CFC  violet
   - Efficiency (시간효율) #2563EB  blue
   - Foundation (생존기반) #059669  green
   - Hedge      (방어헷지) #B8892A  gold
═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&display=swap');

/* ── body 강제 ─────────────────────────────────────────────── */
body:has(.k-app)      { background: #F5F6F8 !important; }
body:has(.k-landing)  { background: #0B0D12 !important; }

/* ── 토큰 ──────────────────────────────────────────────────── */
:root {
  --c-frontier:   #7C5CFC;
  --c-efficiency: #2563EB;
  --c-foundation: #059669;
  --c-hedge:      #B8892A;
  --c-unclass:    #94A3B8;

  --bg:      #F5F6F8;
  --surface: #FFFFFF;
  --border:  #E3E5EA;
  --border2: #CDD0D8;
  --text:    #0F1117;
  --muted:   #636878;
  --subtle:  #9CA3AF;

  --gold:    #B8892A;
  --gold-bg: #FDF8ED;

  --r-sm: 7px;
  --r-md: 11px;
  --r-lg: 15px;

  --font-body:    'Inter', 'Pretendard', -apple-system, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
}

/* ── 기본 ──────────────────────────────────────────────────── */
.k-app, .k-landing {
  font-family: var(--font-body);
  color: var(--text);
  min-height: 100vh;
}

/* ── 버튼 ──────────────────────────────────────────────────── */
.k-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--font-body);
  font-size: .82rem; font-weight: 600;
  border: none; border-radius: var(--r-sm);
  padding: .48rem 1.15rem;
  cursor: pointer;
  text-decoration: none;
  transition: opacity .15s, transform .12s;
  white-space: nowrap;
}
.k-btn:hover { transform: translateY(-1px); }

.k-btn-dark  { background: #0F1117; color: #fff; }
.k-btn-dark:hover { opacity: .88; color: #fff; }

.k-btn-outline {
  background: transparent; color: var(--muted);
  border: 1.5px solid var(--border2);
}
.k-btn-outline:hover { border-color: var(--text); color: var(--text); }

/* ── 앱 헤더 ────────────────────────────────────────────────── */
.k-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 200;
  height: 50px;
}
.k-header-inner {
  display: flex; align-items: center;
  height: 100%; padding: 0 1.75rem; gap: 1.25rem;
}
.k-logo {
  font-family: var(--font-display);
  font-weight: 700; font-size: .95rem;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--text); flex-shrink: 0;
}
.k-grade {
  font-size: .6rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  padding: .16rem .55rem; border-radius: 99px;
  flex-shrink: 0;
}
.k-grade-open   { background: var(--gold-bg); color: var(--gold); border: 1px solid #E9D9A6; }
.k-grade-member { background: #EEF2FF; color: #4338CA; border: 1px solid #C7D2FE; }
.k-grade-ortho  { background: #1E222B; color: #A5B4FC; border: 1px solid #3730A3; }
.k-grade-omni   { background: #08090C; color: #D4AF5A; border: 1px solid #7A6035; }
.k-grade-demo   { background: #FEF9C3; color: #92400E; border: 1px solid #FDE68A; }

/* ── 탭 ─────────────────────────────────────────────────────── */
.k-tabs { display: flex; gap: 2px; flex: 1; justify-content: center; }
.k-tab {
  background: none; border: none;
  padding: .3rem .9rem; border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: .78rem; font-weight: 500;
  color: var(--muted); cursor: pointer;
  letter-spacing: .01em;
  transition: background .1s, color .1s;
  white-space: nowrap;
}
.k-tab:hover  { background: var(--bg); color: var(--text); }
.k-tab.active { background: var(--text); color: #fff; font-weight: 600; }

.k-header-right { display: flex; align-items: center; gap: .5rem; margin-left: auto; }

/* ── 탭 패널 ────────────────────────────────────────────────── */
.k-body { padding: 1.75rem 2rem; max-width: 1280px; margin: 0 auto; }
.k-panel-wrap   { display: none; }
.k-panel-wrap.active { display: block; animation: kIn .18s ease; }
@keyframes kIn { from { opacity:0; transform:translateY(3px); } to { opacity:1; transform:none; } }

/* ── 패널 ───────────────────────────────────────────────────── */
.k-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.4rem 1.5rem;
}
.k-card-label {
  font-size: .65rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--subtle); margin-bottom: .75rem;
}

/* ── 스탯 카드 ──────────────────────────────────────────────── */
.k-stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.15rem 1.4rem;
}
.k-stat-label {
  font-size: .65rem; font-weight: 700;
  letter-spacing: .09em; text-transform: uppercase;
  color: var(--subtle); margin-bottom: .4rem;
}
.k-stat-val {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 600;
  color: var(--text); line-height: 1.1;
}

/* ── 4축 바 ─────────────────────────────────────────────────── */
.k-axis-row { margin-bottom: .95rem; }
.k-axis-meta {
  display: flex; justify-content: space-between;
  align-items: baseline; margin-bottom: .32rem;
}
.k-axis-lhs { display: flex; align-items: center; gap: .45rem; }
.k-dot {
  display: inline-block; border-radius: 50%; flex-shrink: 0;
  width: 6px; height: 6px;
}
.k-dot-frontier   { background: var(--c-frontier); }
.k-dot-efficiency { background: var(--c-efficiency); }
.k-dot-foundation { background: var(--c-foundation); }
.k-dot-hedge      { background: var(--c-hedge); }
.k-dot-unclass    { background: var(--c-unclass); }

.k-axis-kr  { font-size: .82rem; font-weight: 600; color: var(--text); }
.k-axis-en  { font-size: .62rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--subtle); }
.k-axis-pct { font-family: var(--font-display); font-size: .82rem; color: var(--muted); }

.k-bar { height: 4px; background: var(--border); border-radius: 99px; overflow: hidden; }
.k-bar-fill {
  height: 100%; border-radius: 99px;
  transition: width 1s cubic-bezier(.22,1,.36,1);
}
.k-fill-frontier   { background: var(--c-frontier); }
.k-fill-efficiency { background: var(--c-efficiency); }
.k-fill-foundation { background: var(--c-foundation); }
.k-fill-hedge      { background: var(--c-hedge); }
.k-fill-unclass    { background: var(--c-unclass); }

/* ── 브리핑 ─────────────────────────────────────────────────── */
.k-briefing {
  background: var(--bg); border-radius: var(--r-md);
  padding: 1rem 1.2rem;
  font-size: .875rem; line-height: 1.85;
  color: var(--text); white-space: pre-wrap; min-height: 72px;
}
.k-briefing-src {
  font-size: .65rem; letter-spacing: .05em; text-transform: uppercase;
  color: var(--subtle); margin-top: .7rem;
}

/* ── 종목 리스트 ────────────────────────────────────────────── */
.k-sym-row {
  display: flex; align-items: center; gap: .7rem;
  padding: .5rem 0; border-bottom: 1px solid var(--border);
  font-size: .82rem;
}
.k-sym-row:last-child { border-bottom: none; }
.k-sym-name { font-weight: 600; width: 95px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.k-sym-code { color: var(--subtle); font-size: .7rem; width: 62px; font-family: 'SFMono-Regular', monospace; }
.k-sym-bar-wrap { flex: 1; }
.k-sym-bar { height: 4px; background: var(--border); border-radius: 99px; overflow: hidden; }
.k-sym-bar-fill { height: 100%; border-radius: 99px; }
.k-sym-pct { font-family: var(--font-display); font-size: .82rem; color: var(--muted); width: 36px; text-align: right; }

/* ── 트리 ───────────────────────────────────────────────────── */
.k-tree-section { margin-bottom: .65rem; }
.k-tree-section-label {
  font-size: .6rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--subtle); padding: .4rem .45rem .2rem;
  display: flex; align-items: center; gap: .4rem;
}
.k-tree-folder {
  display: flex; align-items: center; gap: .4rem;
  padding: .3rem .45rem; border-radius: var(--r-sm);
  cursor: pointer; font-size: .82rem; color: var(--text);
  transition: background .1s;
}
.k-tree-folder:hover { background: var(--bg); }
.k-tree-folder.sel { background: #EEEAFF; color: var(--c-frontier); font-weight: 600; }
.k-tree-folder-icon {
  width: 13px; height: 13px; border-radius: 3px;
  border: 1.5px solid var(--border2);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--muted); flex-shrink: 0;
}
.k-tree-item {
  display: flex; align-items: center; gap: .4rem;
  padding: .18rem .45rem .18rem 1.75rem; font-size: .77rem; color: var(--muted);
}
.k-tree-ticker { font-family: 'SFMono-Regular', monospace; font-size: .7rem; font-weight: 700; color: var(--text); }
.k-tree-del {
  margin-left: auto; opacity: 0; cursor: pointer;
  font-size: .68rem; color: #EF4444;
  padding: .08rem .25rem; border-radius: 3px;
  transition: opacity .1s;
}
.k-tree-item:hover .k-tree-del { opacity: 1; }

/* ── 이동(Move) ─────────────────────────────────────────────── */
.k-tree-move {
  opacity: 0; cursor: pointer; user-select: none;
  font-size: .74rem; color: var(--c-frontier);
  padding: 0 .2rem; transition: opacity .1s;
}
.k-tree-item:hover .k-tree-move,
.k-tree-folder:hover .k-tree-move { opacity: .7; }
.k-tree-move:hover { opacity: 1 !important; }
.k-tree-folder[draggable="true"],
.k-tree-item[draggable="true"] { cursor: grab; }
.k-tree-folder.drop-target {
  background: #E6F0FF;
  outline: 2px dashed #2563EB; outline-offset: -2px;
}
.k-move-tree { max-height: 52vh; }
.k-move-target {
  display: flex; align-items: center; gap: .4rem;
  padding: .42rem .45rem; border-radius: var(--r-sm);
  font-size: .82rem; color: var(--text); cursor: pointer;
}
.k-move-target:hover { background: var(--bg); }
.k-move-target.k-move-root { color: var(--c-frontier); font-weight: 600; }
.k-move-target.off { opacity: .4; cursor: not-allowed; }
.k-move-target.off:hover { background: transparent; }
.k-move-ico { color: var(--subtle); font-size: .68rem; }
.k-move-reason { font-size: .62rem; color: var(--subtle); white-space: nowrap; }

/* ── 홈: 살롱 개요 ──────────────────────────────────────────── */
.k-home-salon {
  padding: .6rem .15rem; border-bottom: 1px solid var(--border); cursor: pointer;
}
.k-home-salon:last-child { border-bottom: none; }
.k-home-salon:hover { background: var(--bg); }
.k-home-salon-top { display: flex; align-items: center; gap: .4rem; margin-bottom: .28rem; }
.k-home-salon-title {
  font-size: .84rem; font-weight: 600; color: var(--text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.k-home-salon-acc { font-size: .6rem; color: #B8892A; font-weight: 700; flex-shrink: 0; }
.k-home-salon-snip {
  font-size: .76rem; color: var(--muted); line-height: 1.45; margin-bottom: .32rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.k-home-salon-meta {
  display: flex; align-items: center; gap: .35rem; font-size: .66rem; color: var(--subtle);
}
.k-home-salon-lock { color: var(--c-frontier); }

/* ── 뉴스 ───────────────────────────────────────────────────── */
.k-news-item { padding: .75rem 0; border-bottom: 1px solid var(--border); }
.k-news-item:last-child { border-bottom: none; }
.k-news-kw {
  font-size: .6rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--c-frontier); background: #F0ECFF;
  border-radius: 3px; padding: .1rem .4rem; margin-right: .45rem;
}
.k-news-title { font-size: .845rem; font-weight: 500; line-height: 1.55; color: var(--text); }
.k-news-title a { color: inherit; text-decoration: none; }
.k-news-title a:hover { color: var(--c-frontier); }
.k-news-meta { font-size: .68rem; color: var(--subtle); margin-top: .2rem; }

/* ── 키워드 태그 ────────────────────────────────────────────── */
.k-kw {
  display: inline-flex; align-items: center; gap: .3rem;
  background: var(--bg); border: 1px solid var(--border2);
  border-radius: 99px; padding: .2rem .7rem;
  font-size: .74rem; font-weight: 500; color: var(--text);
  margin: .18rem; cursor: default;
  transition: border-color .1s;
}
.k-kw:hover { border-color: var(--c-frontier); }
.k-kw-del { color: var(--subtle); cursor: pointer; font-size: .65rem; }
.k-kw-del:hover { color: #EF4444; }

/* ── 알림 배너 ──────────────────────────────────────────────── */
.k-notice {
  background: #FFFBEB; border: 1px solid #FDE68A;
  border-radius: var(--r-md); padding: .85rem 1.2rem;
  font-size: .83rem; display: flex;
  align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .5rem;
}
.k-notice-label { font-weight: 600; color: #78350F; }
.k-notice-sub   { color: #92400E; font-size: .78rem; margin-left: .5rem; }

/* ── 데모 배너 ──────────────────────────────────────────────── */
.k-demo-banner {
  background: #FFFDE7; border-bottom: 1px solid #FDE68A;
  padding: .5rem 1.75rem; font-size: .78rem;
  text-align: center; color: #78350F;
}
.k-demo-banner a { color: #92400E; font-weight: 700; margin-left: .4rem; }

/* ── 설정 카드 ──────────────────────────────────────────────── */
.k-settings-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 1.75rem;
}
.k-input {
  display: block; width: 100%;
  border: 1.5px solid var(--border2); border-radius: var(--r-sm);
  font-family: var(--font-body); font-size: .875rem;
  padding: .58rem .9rem; background: var(--surface); color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
.k-input:focus {
  outline: none; border-color: var(--c-frontier);
  box-shadow: 0 0 0 3px rgba(124,92,252,.1);
}
textarea.k-input { resize: vertical; }

/* ── 미니 푸터 ──────────────────────────────────────────────── */
.k-mini-footer {
  text-align: center; padding: 1.5rem 1rem;
  font-size: .72rem; color: var(--subtle);
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.k-mini-footer a { color: var(--subtle); text-decoration: none; }
.k-mini-footer a:hover { color: var(--text); }
.k-mini-footer-sep { margin: 0 .5rem; }

/* ── 온보딩 ─────────────────────────────────────────────────── */
.k-onboarding {
  min-height: calc(100vh - 50px);
  display: flex; align-items: center; justify-content: center;
}

/* ════════════════════════════════════════════════════════════
   랜딩 (다크 히어로)
════════════════════════════════════════════════════════════ */
.k-hero {
  position: relative; min-height: 92vh;
  display: flex; align-items: center;
  background: #0B0D12; overflow: hidden;
}
.k-hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 55% at 50% -5%, rgba(124,92,252,.18) 0%, transparent 65%),
    radial-gradient(ellipse 35% 40% at 88% 88%, rgba(37,99,235,.1) 0%, transparent 55%);
}
.k-hero-z { position: relative; z-index: 1; }

.k-hero-eyebrow {
  font-size: .65rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--c-frontier); font-weight: 600; margin-bottom: 1.5rem; opacity: .9;
}
.k-hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 8vw, 6.2rem);
  font-weight: 700; color: #EFEFEF;
  line-height: 1.02; letter-spacing: -.01em; margin-bottom: 1.25rem;
}
.k-hero-accent { color: #A78BFA; }
.k-hero-sub {
  font-size: 1rem; color: #636878; line-height: 1.78;
  max-width: 420px; margin: 0 auto;
}

/* 랜딩 섹션 */
.k-section-eyebrow {
  font-size: .65rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--subtle); margin-bottom: .5rem;
}
.k-section-title {
  font-family: var(--font-display);
  font-size: 1.85rem; font-weight: 600;
  color: var(--text); letter-spacing: -.01em; margin-bottom: .4rem;
}
.k-section-sub { color: var(--muted); font-size: .88rem; }

/* 4축 카드 */
.k-axis-card {
  background: var(--surface); border: 1px solid var(--border);
  border-top: 2.5px solid transparent; border-radius: var(--r-lg);
  padding: 1.6rem 1.4rem; height: 100%;
  transition: box-shadow .18s, transform .18s;
}
.k-axis-card:hover { box-shadow: 0 6px 22px rgba(0,0,0,.07); transform: translateY(-2px); }
.k-axis-card-ft { border-top-color: var(--c-frontier); }
.k-axis-card-ef { border-top-color: var(--c-efficiency); }
.k-axis-card-fo { border-top-color: var(--c-foundation); }
.k-axis-card-hg { border-top-color: var(--c-hedge); }

.k-axis-card-mark {
  display: flex; align-items: center; gap: .45rem;
  font-size: .62rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1rem;
}
.k-axis-card-name { font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: .38rem; }
.k-axis-card-desc { font-size: .83rem; color: var(--muted); line-height: 1.65; margin: 0; }

/* 반응형 */
@media (max-width: 768px) {
  .k-hero-title { font-size: 2.8rem; }
  .k-tabs .k-tab { padding: .26rem .55rem; font-size: .72rem; }
  .k-body  { padding: 1.2rem 1rem; }
  .k-header-inner { padding: 0 1rem; gap: .75rem; }
}

/* ── AI 자동분류 버튼 ── */
.k-autoclass {
  margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px dashed var(--border);
  display: flex; flex-direction: column; gap: .4rem; align-items: flex-start;
}
.k-autoclass-hint { font-size: .72rem; color: var(--subtle); }