:root{
  --paper:#F2F4F6;
  --card:#FFFFFF;
  --ink:#191F28;
  --ink-soft:#4E5968;
  --ink-faint:#8B95A1;
  --line:#E5E8EB;
  --accent:#3182F6;
  --accent-ink:#1B64DA;
  --accent-soft:#EBF2FF;
  --danger:#F04452;
  --danger-soft:#FFEEEF;
  --shadow-card:0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.05);
  --shadow-pop:0 4px 10px rgba(49,130,246,.22);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#15171C;
    --card:#1F222A;
    --ink:#F2F4F6;
    --ink-soft:#B0B8C1;
    --ink-faint:#6B7684;
    --line:#2E3138;
    --accent:#4593FC;
    --accent-ink:#7EB2FF;
    --accent-soft:#1B2A44;
    --danger:#FF6B75;
    --danger-soft:#3A1E20;
    --shadow-card:0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.28);
    --shadow-pop:0 4px 14px rgba(69,147,252,.28);
  }
}
:root[data-theme="dark"]{
  --paper:#15171C;
  --card:#1F222A;
  --ink:#F2F4F6;
  --ink-soft:#B0B8C1;
  --ink-faint:#6B7684;
  --line:#2E3138;
  --accent:#4593FC;
  --accent-ink:#7EB2FF;
  --accent-soft:#1B2A44;
  --danger:#FF6B75;
  --danger-soft:#3A1E20;
  --shadow-card:0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.28);
  --shadow-pop:0 4px 14px rgba(69,147,252,.28);
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Gothic A1","Noto Sans KR",system-ui,sans-serif;
  font-weight:400;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){ *{animation:none !important; transition:none !important;} }
a{color:var(--accent-ink); font-weight:600;}
button,input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px;}

.mono{font-family:"IBM Plex Mono",ui-monospace,monospace; font-variant-numeric:tabular-nums;}

/* ---------- 온보딩 화면 ---------- */
.screen{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:32px 20px;
  background:var(--paper);
}
.screen[hidden]{display:none;}
.onboard-card{
  width:100%;
  max-width:480px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--card);
  box-shadow:var(--shadow-card);
  padding:36px 32px;
}
.onboard-card.narrow{max-width:520px;}
.progress-dots{display:flex; gap:6px; margin-bottom:20px;}
.progress-dots .dot{width:24px; height:4px; border-radius:var(--r-pill); background:var(--line);}
.progress-dots .dot.active{background:var(--accent);}

.faq{border:1px solid var(--line); border-radius:var(--r-md); background:var(--paper); padding:12px 16px; margin-bottom:20px; font-size:.86rem;}
.faq summary{cursor:pointer; color:var(--accent-ink); font-weight:700;}
.faq p{margin:10px 0 0; color:var(--ink-soft); line-height:1.6;}

.nokey-banner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  border:1px solid var(--accent-soft);
  border-radius:var(--r-md);
  background:var(--accent-soft);
  padding:14px 18px;
  margin-bottom:20px;
  font-size:.88rem;
}
.nokey-banner p{margin:0; color:var(--ink); font-weight:500;}
.nokey-banner button{flex:none; padding:8px 14px; font-size:.82rem;}

.eyebrow{
  font-size:.8rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--accent-ink);
  margin:0 0 14px;
}
h1{
  font-size:1.9rem;
  font-weight:800;
  margin:0 0 18px;
  letter-spacing:-.03em;
  line-height:1.3;
  text-wrap:balance;
  color:var(--ink);
}
.hero-teaser{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--accent-soft);
  padding:18px 20px;
  margin-bottom:22px;
}
.teaser-label{
  display:block;
  font-size:.74rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--accent-ink);
  margin-bottom:10px;
}
.teaser-question{
  font-size:1.1rem;
  font-weight:700;
  line-height:1.5;
  letter-spacing:-.015em;
  margin:0 0 10px;
  color:var(--ink);
}
.teaser-company{
  font-size:.8rem;
  font-weight:500;
  color:var(--ink-faint);
}
.lede{color:var(--ink-soft); font-size:.95rem; line-height:1.7; margin:0 0 24px;}
.steps{margin:0 0 20px; padding-left:1.3em; font-size:.9rem; color:var(--ink-soft); line-height:1.8;}
.steps li{margin-bottom:6px;}

.field{margin-bottom:18px;}
.field .k{
  display:block;
  font-size:.82rem;
  font-weight:700;
  color:var(--ink-soft);
  margin-bottom:8px;
}
input[type="text"],input[type="password"],textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--paper);
  color:var(--ink);
  padding:12px 14px;
  font-size:.95rem;
  resize:vertical;
  transition:border-color .15s ease;
}
input[type="text"]:focus,input[type="password"]:focus,textarea:focus{border-color:var(--accent);}
textarea{font-family:inherit;}

.choice-row{display:flex; flex-wrap:wrap; gap:8px;}
.choice{
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--paper);
  color:var(--ink-soft);
  padding:9px 16px;
  font-size:.86rem;
  font-weight:600;
  cursor:pointer;
  transition:background .15s ease, border-color .15s ease, color .15s ease;
}
.choice.selected{
  border-color:var(--accent);
  color:var(--accent-ink);
  background:var(--accent-soft);
}

.btn-primary{
  border:none;
  border-radius:var(--r-sm);
  background:var(--accent);
  color:#fff;
  padding:13px 18px;
  font-size:.96rem;
  font-weight:700;
  cursor:pointer;
  width:100%;
  box-shadow:var(--shadow-pop);
  transition:filter .15s ease, transform .1s ease;
}
.btn-primary:hover{filter:brightness(1.06);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:disabled{opacity:.4; cursor:not-allowed; box-shadow:none;}
.btn-ghost{
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:transparent;
  color:var(--ink-soft);
  padding:13px 18px;
  font-size:.96rem;
  font-weight:600;
  cursor:pointer;
}
.btn-row{display:flex; gap:10px;}
.btn-row .btn-primary,.btn-row .btn-ghost{width:auto; flex:1;}

/* ---------- 메인 앱 ---------- */
.app-header{
  border-bottom:1px solid var(--line);
  padding:16px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  background:var(--card);
}
.brand{font-size:1.2rem; font-weight:800; letter-spacing:-.02em; color:var(--ink);}
.tabs{display:flex; gap:2px; background:var(--paper); padding:4px; border-radius:var(--r-pill);}
.tab{
  border:none;
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--ink-faint);
  padding:8px 16px;
  font-size:.86rem;
  font-weight:600;
  cursor:pointer;
}
.tab.active{color:#fff; background:var(--accent);}

.main-wrap{max-width:640px; margin:0 auto; padding:32px 20px 80px;}
.tab-panel{display:flex; flex-direction:column; gap:20px;}
.tab-panel[hidden]{display:none;}

.case-card,.note-card{border:1px solid var(--line); border-radius:var(--r-lg); background:var(--card); box-shadow:var(--shadow-card); padding:24px;}
.case-head{display:flex; align-items:center; justify-content:space-between; gap:10px; border-bottom:1px solid var(--line); padding-bottom:16px; margin-bottom:18px;}
.case-head h2{font-size:1.35rem; font-weight:800; letter-spacing:-.02em; margin:0; color:var(--ink);}
.tag{
  font-size:.74rem;
  font-weight:700;
  letter-spacing:-.005em;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--accent-soft);
  color:var(--accent-ink);
  white-space:nowrap;
}
.case-fields{display:flex; flex-direction:column; gap:14px; margin-bottom:18px;}
.field-block .k{font-size:.76rem; font-weight:700; color:var(--ink-faint); margin-bottom:4px;}
.field-block p{margin:0; font-size:.92rem; line-height:1.6;}

.cut-box{background:var(--accent-soft); border-radius:var(--r-md); padding:16px 18px; margin-bottom:12px;}
.cut-box .k{font-size:.76rem; font-weight:700; color:var(--accent-ink); margin-bottom:8px;}
.cut-box p{margin:0; font-size:.98rem; font-weight:700; line-height:1.55; color:var(--ink); letter-spacing:-.01em;}

.src-line{margin:0; font-size:.76rem; color:var(--ink-faint);}
.src-line a{color:var(--ink-faint); text-decoration:underline; font-weight:500;}

.feedback-box{background:var(--accent-soft); border-radius:var(--r-md); padding:16px 18px; margin-top:16px;}
.feedback-box .k{font-size:.76rem; font-weight:700; color:var(--accent-ink); margin-bottom:8px;}
.feedback-box p{margin:0; font-size:.92rem; line-height:1.6; white-space:pre-line;}

.status-line{font-size:.85rem; font-weight:600; color:var(--ink-faint); margin:10px 0 0;}
.status-line.error{color:var(--danger);}

.empty-state{border:1px dashed var(--line); border-radius:var(--r-lg); padding:32px 20px; text-align:center; color:var(--ink-faint); font-size:.92rem;}

.portfolio-list{display:flex; flex-direction:column; gap:14px;}
.portfolio-item{border:1px solid var(--line); border-radius:var(--r-lg); background:var(--card); box-shadow:var(--shadow-card); padding:18px 20px;}
.portfolio-item .meta{display:flex; justify-content:space-between; gap:10px; margin-bottom:10px; font-size:.76rem; font-weight:600; color:var(--ink-faint);}
.portfolio-item h3{font-size:1.02rem; margin:0 0 8px; font-weight:800; letter-spacing:-.01em;}
.portfolio-item .snippet{font-size:.88rem; color:var(--ink-soft); margin:0 0 12px; line-height:1.6; white-space:pre-line;}
.portfolio-item .actions{display:flex; gap:8px;}
.portfolio-item button{
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--ink-soft);
  padding:6px 14px;
  font-size:.78rem;
  font-weight:600;
  cursor:pointer;
}

.pricing-lede{color:var(--ink-soft); font-size:.92rem; line-height:1.7; margin:0 0 4px;}
.pricing-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
.price-card{border:1px solid var(--line); border-radius:var(--r-lg); background:var(--card); box-shadow:var(--shadow-card); padding:22px;}
.price-card.featured{border-color:var(--accent); background:var(--accent-soft); box-shadow:var(--shadow-pop);}
.price-card .k{font-size:.76rem; font-weight:700; color:var(--ink-faint); margin-bottom:10px;}
.price-card.featured .k{color:var(--accent-ink);}
.price-num{font-size:1.6rem; font-weight:800; letter-spacing:-.02em; margin-bottom:16px; color:var(--ink); font-variant-numeric:tabular-nums;}
.price-num .sub{font-size:.72rem; font-weight:500; color:var(--ink-faint);}
.price-card ul{margin:0; padding-left:1.2em; font-size:.87rem; color:var(--ink-soft); line-height:1.7;}
.price-card li{margin-bottom:6px;}

.interest-card{border:1px solid var(--line); border-radius:var(--r-lg); background:var(--card); box-shadow:var(--shadow-card); padding:24px; margin-top:20px;}
.interest-card h3{font-size:1.08rem; font-weight:800; letter-spacing:-.01em; margin:0 0 6px;}
.interest-card .lede{margin-bottom:18px;}

@media (max-width:480px){
  .pricing-grid{grid-template-columns:1fr;}
}

hr{border:none; border-top:1px solid var(--line); margin:22px 0;}
.fine-print{font-size:.8rem; color:var(--ink-faint); line-height:1.6; margin:0;}

@media (max-width:480px){
  .app-header{flex-direction:column; align-items:flex-start;}
}

/* ---------- 자잘한 기능들 ---------- */
.btn-share{width:100%; margin-top:16px;}

.portfolio-toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.portfolio-toolbar button{width:auto; padding:8px 14px; font-size:.82rem;}

.feedback-fab{
  position:fixed;
  right:22px;
  bottom:22px;
  width:52px;
  height:52px;
  border-radius:50%;
  border:none;
  background:var(--accent);
  color:#fff;
  font-size:1.3rem;
  cursor:pointer;
  box-shadow:var(--shadow-pop);
  z-index:40;
  transition:transform .12s ease;
}
.feedback-fab:hover{transform:scale(1.05);}

.feedback-panel{
  position:fixed;
  right:22px;
  bottom:84px;
  width:min(340px, calc(100vw - 44px));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--card);
  box-shadow:var(--shadow-card);
  padding:20px;
  z-index:41;
}
.feedback-panel[hidden]{display:none;}
.feedback-panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:6px;
  font-size:1rem;
}
.feedback-panel-close{
  border:none;
  background:transparent;
  color:var(--ink-faint);
  font-size:1rem;
  cursor:pointer;
  padding:4px;
  line-height:1;
}