:root{
  --bg:#0b0f1a;
  --card:rgba(255,255,255,.08);
  --card2:rgba(255,255,255,.12);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.68);
  --line:rgba(255,255,255,.14);
  --accent:#7c5cff;
  --accent2:#2ee59d;
  --danger:#ff5c7a;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --radius:18px;
  --radius2:14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic", Arial, sans-serif;
}
*{ box-sizing:border-box; }
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(124,92,255,.20), transparent 60%),
    radial-gradient(900px 500px at 80% 20%, rgba(46,229,157,.16), transparent 55%),
    radial-gradient(1000px 700px at 45% 100%, rgba(255,92,122,.10), transparent 65%),
    var(--bg);
  min-height:100vh;
}

/* ---------- Light theme overrides ---------- */
body[data-theme="light"]{
  --bg:#f6f7fb;
  --card:rgba(0,0,0,.05);
  --card2:rgba(0,0,0,.07);
  --text:rgba(0,0,0,.88);
  --muted:rgba(0,0,0,.58);
  --line:rgba(0,0,0,.10);
  --shadow:0 18px 50px rgba(0,0,0,.12);
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(124,92,255,0.16), transparent 60%),
    radial-gradient(900px 500px at 80% 20%, rgba(46,229,157,0.12), transparent 55%),
    radial-gradient(1000px 700px at 45% 100%, rgba(255,92,122,0.10), transparent 65%),
    var(--bg);
}
body[data-theme="light"] input{
  background:rgba(255,255,255,.85);
  border:1px solid rgba(0,0,0,.12);
  color:var(--text);
}
body[data-theme="light"] input::placeholder{ color:rgba(0,0,0,.35); }
body[data-theme="light"] .ghost{
  background:rgba(0,0,0,.04);
  border:1px solid rgba(0,0,0,.10);
  color:rgba(0,0,0,.78);
}
body[data-theme="light"] .pill,
body[data-theme="light"] .quote{
  background:rgba(255,255,255,.70);
}
/* ------------------------------------------- */

header{
  padding:34px 18px 10px;
  max-width:980px;
  margin:0 auto;
}
.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.04);
  color:var(--muted);
  font-size:13px;
}
.dot{
  width:8px; height:8px; border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:0 0 18px rgba(124,92,255,.55);
}
h1{
  margin:16px 0 8px;
  font-size:clamp(24px,4vw,40px);
  line-height:1.15;
  letter-spacing:-.02em;
}
.sub{
  margin:0 0 16px;
  color:var(--muted);
  font-size:15px;
  line-height:1.5;
  max-width:70ch;
}
main{
  max-width:980px;
  margin:0 auto;
  padding:14px 18px 60px;
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
@media (min-width:920px){
  main{ grid-template-columns:.95fr 1.05fr; gap:16px; }
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.card .hd{
  padding:16px 16px 12px;
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; gap:10px;
}
.title{
  font-size:15px;
  letter-spacing:-.01em;
  margin:0;
  color:rgba(255,255,255,.90);
}
body[data-theme="light"] .title{ color:rgba(0,0,0,.86); }
.hint{
  font-size:12px;
  color:var(--muted);
  margin:0;
  white-space:nowrap;
}
.bd{ padding:16px; }
.grid{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
@media (min-width:520px){
  .grid{ grid-template-columns:1fr 1fr; }
  .grid .span2{ grid-column:span 2; }
}
label{
  display:block;
  font-size:12px;
  color:var(--muted);
  margin:0 0 7px;
}
input{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(0,0,0,.18);
  color:var(--text);
  outline:none;
  font-size:14px;
}
input::placeholder{ color:rgba(255,255,255,.38); }
input:focus{
  border-color:rgba(124,92,255,.75);
  box-shadow:0 0 0 4px rgba(124,92,255,.18);
}
.row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  margin-top:14px;
}
button{
  border:0;
  border-radius:14px;
  padding:12px 14px;
  font-size:14px;
  color:rgba(255,255,255,.92);
  background:linear-gradient(135deg, rgba(124,92,255,.95), rgba(46,229,157,.70));
  cursor:pointer;
  box-shadow:0 16px 40px rgba(124,92,255,.22);
  transition:transform .06s ease, filter .2s ease;
}
button:hover{ filter:brightness(1.05); }
button:active{ transform:translateY(1px); }
.ghost{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:none;
  color:rgba(255,255,255,.86);
}
.theme-btn{
  border-radius:999px;
  padding:10px 12px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.theme-btn span{
  font-size:13px;
}
.mini{
  font-size:12px;
  color:var(--muted);
  margin-left:auto;
}
.error{
  display:none;
  margin-top:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid rgba(255,92,122,.35);
  background:rgba(255,92,122,.10);
  color:rgba(255,255,255,.90);
  font-size:13px;
  line-height:1.5;
}
body[data-theme="light"] .error{ color:rgba(0,0,0,.82); }

.result{ display:none; }
.hero{
  padding:18px 16px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), transparent);
  border-bottom:1px solid var(--line);
}
.pillrow{
  display:flex; gap:8px; flex-wrap:wrap;
  margin-top:10px;
}
.pill{
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(0,0,0,.14);
  color:rgba(255,255,255,.78);
  font-size:12px;
}
body[data-theme="light"] .pill{
  border:1px solid rgba(0,0,0,.10);
  color:rgba(0,0,0,.72);
}

.scoregrid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-top:14px;
}
@media (min-width:520px){
  .scoregrid{ grid-template-columns:1fr 1fr 1fr 1fr; }
}
.score{
  padding:12px;
  border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
}
body[data-theme="light"] .score{
  background:rgba(255,255,255,.72);
  border:1px solid rgba(0,0,0,.08);
}
.score .k{ font-size:12px; color:var(--muted); margin:0 0 6px; }
.score .v{ font-size:20px; margin:0; letter-spacing:-.02em; }
.score .bar{
  height:7px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  overflow:hidden;
  margin-top:10px;
}
body[data-theme="light"] .score .bar{ background:rgba(0,0,0,.08); }
.score .bar > div{
  height:100%;
  width:0%;
  border-radius:999px;
  background:linear-gradient(90deg, rgba(124,92,255,.95), rgba(46,229,157,.75));
  transition:width .6s ease;
}

.section{
  margin-top:14px;
  padding:14px;
  border-radius:var(--radius2);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
}
body[data-theme="light"] .section{
  background:rgba(255,255,255,.72);
  border:1px solid rgba(0,0,0,.08);
}
.section h3{
  margin:0 0 8px;
  font-size:14px;
  letter-spacing:-.01em;
}
.section p{
  margin:0;
  color:rgba(255,255,255,.78);
  font-size:13px;
  line-height:1.65;
}
body[data-theme="light"] .section p{ color:rgba(0,0,0,.72); }

.quote{
  margin-top:12px;
  padding:12px 12px;
  border-radius:14px;
  border:1px dashed rgba(255,255,255,.18);
  background:rgba(0,0,0,.14);
  font-family:var(--mono);
  color:rgba(255,255,255,.78);
  font-size:12px;
  line-height:1.55;
  white-space:pre-wrap;
}
body[data-theme="light"] .quote{
  border:1px dashed rgba(0,0,0,.16);
  color:rgba(0,0,0,.70);
}

/* Goal section */
.goal-section{
  background:linear-gradient(135deg, rgba(124,92,255,.15), rgba(46,229,157,.10));
  border:1px solid rgba(124,92,255,.25);
}
body[data-theme="light"] .goal-section{
  background:linear-gradient(135deg, rgba(124,92,255,.12), rgba(46,229,157,.08));
  border:1px solid rgba(124,92,255,.20);
}
.goal-display{
  font-size:15px;
  font-weight:500;
  color:var(--text);
  margin-bottom:12px;
  padding:10px 14px;
  background:rgba(255,255,255,.06);
  border-radius:10px;
  border:1px dashed rgba(255,255,255,.15);
}
body[data-theme="light"] .goal-display{
  background:rgba(255,255,255,.5);
  border:1px dashed rgba(0,0,0,.12);
}
.goal-meter{
  position:relative;
  height:32px;
  background:rgba(255,255,255,.08);
  border-radius:16px;
  overflow:hidden;
  margin-bottom:12px;
}
body[data-theme="light"] .goal-meter{
  background:rgba(0,0,0,.06);
}
.goal-bar{
  height:100%;
  width:0%;
  border-radius:16px;
  background:linear-gradient(90deg, var(--accent), var(--accent2));
  transition:width 1s ease;
}
.goal-percent{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%, -50%);
  font-size:14px;
  font-weight:600;
  color:#fff;
  text-shadow:0 1px 3px rgba(0,0,0,.3);
}

/* Share button */
.share-section{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
}
.share-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 18px;
  border-radius:12px;
  font-size:14px;
  font-weight:500;
  cursor:pointer;
  border:none;
  transition:transform .06s ease, filter .2s ease;
}
.share-btn:hover{ filter:brightness(1.05); }
.share-btn:active{ transform:translateY(1px); }
.share-btn.save-img{
  background:linear-gradient(135deg, #667eea, #764ba2);
  color:#fff;
}
.share-btn.copy-text{
  background:linear-gradient(135deg, #11998e, #38ef7d);
  color:#fff;
}
.share-btn svg{
  width:18px;
  height:18px;
}
.share-btn.copied{
  background:#38ef7d;
}
.share-label{
  font-size:13px;
  color:var(--muted);
}

footer{
  max-width:980px;
  margin:0 auto;
  padding:0 18px 34px;
  color:rgba(255,255,255,.52);
  font-size:12px;
  line-height:1.6;
}
body[data-theme="light"] footer{ color:rgba(0,0,0,.52); }