/* ============ bangtan · scrapbook ============ */

:root{
  --bg:#F3E8FF;
  --dot:#E3D0FF;
  --card:#FFFEFB;
  --accent:#9B6DFF;
  --accent-deep:#7B3FE4;
  --ink:#3A2E4D;
  --soft:#7A6B8F;
  --border:#2B2136;
  --shadow:rgba(62,41,90,.12);
  --tape-a:#F6C4D8; --tape-b:#E7A6C0;
  --heart:#9B6DFF;
  --cursor:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20"><path d="M2 1h12v10h-4l5 6h-4l-5-6v6h-4z" fill="%239B6DFF" stroke="%232B2136" stroke-width="1.2"/></svg>') 2 2, pointer;
}

/* theme: love yourself */
body[data-theme="ly"]{
  --bg:#F7F1E6; --dot:#E8DCC6; --accent:#E58FB2; --accent-deep:#D96F9B;
  --ink:#4A3B30; --soft:#8A7A6B; --tape-a:#F6D9C4; --tape-b:#EBC3A6; --heart:#E58FB2;
}
/* theme: wings */
body[data-theme="wings"]{
  --bg:#141B2E; --dot:#1F2942; --card:#1B2540; --accent:#E7C668; --accent-deep:#C9A73F;
  --ink:#F2EBD8; --soft:#9DA8C4; --border:#0C1120; --shadow:rgba(0,0,0,.5);
  --tape-a:#3A4668; --tape-b:#2C3550; --heart:#E7C668;
}
/* theme: be */
body[data-theme="be"]{
  --bg:#F0E9DC; --dot:#DDD2BE; --accent:#7C8A4F; --accent-deep:#5E6B38;
  --ink:#3F3A2E; --soft:#837C6A; --tape-a:#E3D5B8; --tape-b:#D4C4A2; --heart:#7C8A4F;
}
/* theme: hyyh */
body[data-theme="hyyh"]{
  --bg:#DFF1F7; --dot:#C3E2EC; --accent:#5FA8C8; --accent-deep:#3E88A8;
  --ink:#2F4450; --soft:#6E8C9A; --tape-a:#C9E6F0; --tape-b:#B3DAE8; --heart:#5FA8C8;
}
/* theme: mots */
body[data-theme="mots"]{
  --bg:#F3E8FF; --dot:#E3D0FF; --accent:#9B6DFF; --accent-deep:#7B3FE4;
  --ink:#3A2E4D; --soft:#7A6B8F; --heart:#9B6DFF;
}
/* theme: proof */
body[data-theme="proof"]{
  --bg:#FFFFFF; --dot:#EAE7F0; --accent:#1E1E1E; --accent-deep:#000;
  --ink:#1E1E1E; --soft:#6B6B6B; --tape-a:#D8D0EA; --tape-b:#C6BBDD; --heart:#7B3FE4;
}
/* theme: bora sky (photo background) */
body[data-theme="bora"]{
  --card:#FFFEFB; --accent:#9B6DFF; --accent-deep:#7B3FE4;
  --ink:#2A1F3D; --soft:#6B5A85; --border:#2B2136; --shadow:rgba(62,41,90,.2);
  --tape-a:#F6C4D8; --tape-b:#E7A6C0; --heart:#7B3FE4;
  background:linear-gradient(rgba(243,232,255,.55), rgba(243,232,255,.55)), url('images/bg.jpg');
  background-size:cover; background-position:center; background-attachment:fixed;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{height:100%;}
body{
  font-family:"Space Mono",ui-monospace,"SF Mono",monospace; color:var(--ink);
  min-height:100%; min-height:100dvh;
  background:radial-gradient(var(--dot) 1.2px, transparent 1.2px) var(--bg);
  background-size:22px 22px;
  padding:calc(20px + env(safe-area-inset-top)) 24px calc(28px + env(safe-area-inset-bottom));
  -webkit-tap-highlight-color:transparent;
  -webkit-text-size-adjust:100%;
  cursor:var(--cursor);
  display:flex; flex-direction:column;
}
a, button{cursor:var(--cursor);}

.page{max-width:560px; width:100%; margin:auto; text-align:center;
  animation:pagein .25s ease;}
.hidden{display:none !important;}
.page.hidden{display:none !important;}
@keyframes pagein{from{opacity:0; transform:translateY(8px)}to{opacity:1; transform:none}}

/* ============ polaroids ============ */
.polaroid{
  background:var(--card); padding:18px 18px 46px; position:relative;
  box-shadow:0 10px 0 var(--shadow);
}
.polaroid.big{margin-top:14px;}
.polaroid.small{margin-top:18px; padding-bottom:34px; text-align:center;}
.polaroid.dashed{border:3px dashed var(--accent);}
.tilt-l{transform:rotate(-1.4deg);}
.tilt-r{transform:rotate(1.1deg);}

.tape{
  position:absolute; top:-14px; left:50%; transform:translateX(-50%) rotate(-3deg);
  width:92px; height:28px; pointer-events:none;
  background:repeating-linear-gradient(45deg,var(--tape-a) 0 6px,var(--tape-b) 6px 12px);
  opacity:.85; box-shadow:0 1px 3px rgba(0,0,0,.15);
  z-index:2;
}

.kicker{font-size:12px; letter-spacing:.3em; text-transform:uppercase; color:var(--accent); font-weight:700;}
h1{font-size:38px; line-height:1.2; margin:10px 0 6px; font-weight:700;}
.tag{font-size:13px; color:var(--soft); margin-bottom:16px;}
.stars{letter-spacing:.6em; color:var(--accent); opacity:.7; margin:10px 0;}
.heart{position:absolute; right:14px; bottom:10px; font-size:18px;}
.sig{margin-top:14px; font-size:13px; color:var(--soft);}
.sig b{font-weight:700; color:var(--accent-deep);}
.sig.center{margin-top:18px; text-align:center;}

.nav-links{display:flex; flex-wrap:wrap; justify-content:center; gap:8px 18px; margin-top:6px;}
.nav-links a{
  font-size:13px; text-transform:uppercase; letter-spacing:.08em; color:var(--soft);
  border-bottom:2px dotted var(--accent); padding-bottom:2px;
}
.nav-links a:active{color:var(--accent-deep);}

/* ============ buttons ============ */
.btn{
  display:block; width:100%; padding:15px; font:inherit; font-weight:700; font-size:18px;
  background:var(--accent); color:#fff; border:3px solid var(--border);
  box-shadow:4px 4px 0 var(--border); border-radius:8px;
}
.btn:active{transform:translate(4px,4px); box-shadow:none; filter:brightness(.93);}
.btn.ghost{background:var(--card); color:var(--ink); font-size:14px; margin-top:16px;}
.btn.ghost:active{background:var(--accent); color:#fff;}

.mini{display:flex; gap:10px; margin:14px 0;}
.mini span{flex:1; font-size:11px; text-transform:uppercase; letter-spacing:.06em;
  background:var(--card); border:2px solid var(--border); padding:8px 4px; color:var(--soft);}

/* ============ quiz ============ */
.strip{
  position:relative; background:var(--card); border:3px solid var(--border);
  box-shadow:4px 4px 0 var(--shadow); padding:12px 14px; margin-bottom:20px;
  display:flex; justify-content:space-between; align-items:center; font-size:13px;
}
.strip .tape{top:-14px; width:60px;}
.scorebox{display:flex; flex-direction:column; gap:2px;}
.streak{font-weight:700; color:var(--accent-deep); font-size:15px;}
.score{color:var(--soft); font-size:12px;}
.back{color:var(--soft); text-decoration:none; font-size:12px; letter-spacing:.08em;
  text-transform:uppercase; border-bottom:2px dotted var(--accent); padding-bottom:2px;}
.back:active{color:var(--accent-deep);}

.lyric{transform:rotate(-.8deg); border:3px solid var(--border); margin-bottom:20px;}
.lyric-text{font-size:17px; line-height:1.7; font-weight:700;}
.lyric-tag{font-size:10px; letter-spacing:.2em; text-transform:uppercase; color:var(--soft); margin-bottom:8px;}
.dots{letter-spacing:.4em; color:var(--accent); font-size:14px; margin-bottom:6px; opacity:.8;}

#options{margin-bottom:8px;}
.opt{
  display:flex; align-items:center; gap:12px; width:100%; text-align:left;
  background:var(--card); border:3px solid var(--border); box-shadow:4px 4px 0 var(--shadow);
  padding:14px 16px; font:inherit; font-size:15px; font-weight:700; color:var(--ink);
  margin-bottom:14px; border-radius:8px;
}
.opt:nth-child(odd){transform:rotate(.5deg);}
.opt:nth-child(even){transform:rotate(-.5deg);}
.opt:active{transform:translate(4px,4px) rotate(0); box-shadow:none;}
.opt .num{font-size:12px; color:var(--accent); letter-spacing:.1em; min-width:22px;}
.opt .check{margin-left:auto; font-size:15px; font-weight:700; opacity:0;}
.opt.selected{background:var(--accent); color:#fff; box-shadow:0 0 0 3px var(--border);}
.opt.selected .num{color:var(--card); opacity:.8;}
.opt.selected .check{opacity:1;}
.opt.correct{background:var(--accent-deep); color:#fff; box-shadow:0 0 0 3px var(--border);}
.opt.correct .check{opacity:1;}
.opt.wrong{opacity:.45; transform:rotate(-1.2deg); filter:grayscale(.6);}
.opt:disabled{cursor:default;}

.flash{
  display:inline-block; background:var(--accent-deep); color:#fff; border:3px solid var(--border);
  padding:12px 26px; font-weight:700; font-size:17px; border-radius:8px;
  box-shadow:4px 4px 0 var(--border); margin-top:12px; animation:pop .25s ease;
}
.flash.hidden{display:none;}
@keyframes pop{0%{transform:scale(.7); opacity:0}100%{transform:scale(1); opacity:1}}

/* congrats member card */
.congrats{margin-top:12px;}
.congrats.hidden{display:none;}
.congrats-card{
  position:relative; display:flex; align-items:center; gap:16px; text-align:left;
  background:var(--card); border:3px solid var(--border); box-shadow:4px 4px 0 var(--shadow);
  border-radius:10px; padding:14px 16px; animation:pop .25s ease;
}
.congrats-card .tape{top:-14px; width:64px;}
.member-img{
  width:56px; height:auto; max-height:96px; object-fit:contain; flex:none;
  filter:drop-shadow(2px 2px 0 var(--shadow));
}
.congrats-msg{font-size:14px; font-weight:700; line-height:1.5;}
.congrats-msg small{display:block; font-weight:400; color:var(--soft); font-size:11px; margin-top:2px;}

/* pixel CD */
.cd{
  width:66px; height:66px; margin:0 auto 16px; border-radius:50%;
  background:radial-gradient(circle,var(--accent-deep) 0 9px, var(--card) 10px 13px, var(--accent) 14px),
    repeating-conic-gradient(var(--accent) 0 20deg, var(--card) 20deg 40deg);
  border:3px solid var(--border); box-shadow:3px 3px 0 var(--shadow);
}
.cd.spinning{animation:spin 1.2s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}

.loading{font-size:13px; color:var(--soft); letter-spacing:.15em; text-transform:uppercase; margin-bottom:16px; animation:blink 1s steps(1) infinite;}
@keyframes blink{50%{opacity:.3}}

/* ============ achievements / stats ============ */
.grid{display:grid; grid-template-columns:1fr; gap:16px; margin-top:18px;}
.ach{
  background:var(--card); border:3px solid var(--border); box-shadow:4px 4px 0 var(--shadow);
  padding:16px; border-radius:10px; text-align:left; display:flex; gap:12px; align-items:center;
}
.ach:nth-child(odd){transform:rotate(.6deg);}
.ach:nth-child(even){transform:rotate(-.6deg);}
.ach .icon{font-size:26px;}
.ach .title{font-weight:700; font-size:15px;}
.ach .desc{font-size:11px; color:var(--soft); margin-top:3px; line-height:1.5;}
.ach.locked{filter:grayscale(1); opacity:.5;}
.ach.locked .icon{filter:grayscale(1);}
.ach .prog{margin-left:auto; font-size:11px; color:var(--accent-deep); font-weight:700; white-space:nowrap;}

.stat-title{font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--soft); font-weight:700;}
.stat-big{font-size:44px; font-weight:700; color:var(--accent-deep); margin:8px 0 4px;}
.missed{list-style:none; text-align:left; margin-top:10px; font-size:14px; line-height:2.1;}
.missed li::before{content:"▸ "; color:var(--accent);}
.missed .n{color:var(--soft); font-size:11px; margin-left:8px;}

.bars{margin-top:12px; display:flex; flex-direction:column; gap:8px; text-align:left;}
.bar-row{display:flex; align-items:center; gap:8px; font-size:11px;}
.bar-row .label{width:82px; text-align:right; color:var(--soft); text-transform:uppercase; letter-spacing:.05em; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.bar-row .track{flex:1; height:18px; border:2px solid var(--border); background:var(--card);}
.bar-row .fill{height:100%; background:var(--accent); border-right:2px solid var(--border);}

/* ============ categories / themes ============ */
.cat-list{margin:14px 0 18px; text-align:left; display:flex; flex-direction:column; gap:10px;}
.cat-item{
  display:flex; align-items:center; gap:12px; padding:12px 14px;
  background:var(--card); border:3px solid var(--border); box-shadow:3px 3px 0 var(--shadow);
  border-radius:8px; font:inherit; font-size:14px; font-weight:700; color:var(--ink); text-align:left;
}
.cat-item .tick{width:20px; height:20px; border:3px solid var(--border); background:var(--card); border-radius:5px;
  display:inline-flex; align-items:center; justify-content:center; font-size:13px; color:#fff;}
.cat-item .count{margin-left:auto; font-size:11px; color:var(--soft); font-weight:400;}
.cat-item.on{background:var(--accent); color:#fff;}
.cat-item.on .tick{background:#fff; color:var(--accent-deep);}
.cat-item.on .count{color:var(--card); opacity:.85;}
.cat-item:active{transform:translate(3px,3px); box-shadow:none;}
.swatch{width:22px; height:22px; border:2px solid var(--border); border-radius:50%; flex:none;}

/* ============ confetti ============ */
#confetti{position:fixed; inset:0; pointer-events:none; z-index:50; overflow:hidden;}
.confetti-piece{position:absolute; width:8px; height:8px; background:var(--accent);
  border:1px solid var(--border); animation:fall linear forwards;}
@keyframes fall{
  0%{transform:translateY(-10vh) rotate(0); opacity:1}
  100%{transform:translateY(110vh) rotate(720deg); opacity:.2}
}

/* ============ floating decor ============ */
#decor{position:fixed; inset:0; pointer-events:none; z-index:30; overflow:hidden;}
#decor .decor-img{
  position:absolute; opacity:1;
  transform:rotate(var(--rot,0deg)); animation:drift 7s ease-in-out infinite alternate;
}
#decor .member-decor{
  opacity:1; filter:drop-shadow(3px 3px 0 var(--shadow));
}
#decor .decor-dim{
  opacity:.15; z-index:5;
}
@keyframes drift{
  0%{transform:translate(0,0) rotate(var(--rot,0deg))}
  100%{transform:translate(6px,-26px) rotate(calc(var(--rot,0deg) + 6deg))}
}
.page{position:relative; z-index:10;}

/* ============ ipad / small screens ============ */
@media (max-width:420px){
  h1{font-size:30px;}
  .lyric-text{font-size:15px;}
  .opt{font-size:14px; padding:13px 14px;}
}
@media (min-width:768px){
  body{padding-top:calc(40px + env(safe-area-inset-top));}
  .page{max-width:600px;}
}