:root{
  --bg:#FFF8F0; --card:#FFFFFF; --ink:#2D2A26; --muted:#8A8378;
  --primary:#FF6B35; --primary-dark:#E5521F; --green:#3BB273; --red:#E84855;
  --gold:#FFB627; --radius:20px;
  --shadow:0 4px 20px rgba(45,42,38,.08);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{font-family:-apple-system,'Segoe UI',Roboto,sans-serif;background:#E8E2D9;color:var(--ink);
  display:flex;justify-content:center}
#app{width:100%;max-width:480px;min-height:100dvh;background:var(--bg);position:relative;
  display:flex;flex-direction:column;overflow-x:hidden}

/* Desktop: khung app nổi giữa màn hình */
@media (min-width:640px){
  body{padding:24px 0;align-items:flex-start}
  #app{min-height:calc(100dvh - 48px);border-radius:28px;box-shadow:0 20px 60px rgba(45,42,38,.18)}
}
@media (min-width:1024px){
  #app{max-width:520px}
}

.screen{display:none;flex-direction:column;flex:1;padding:24px 20px;animation:fadeIn .3s ease;overflow-y:auto}
.screen.active{display:flex}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.logo{font-size:28px;font-weight:800;letter-spacing:-.5px}
.logo span{color:var(--primary)}
.logo.xl{font-size:40px;margin-top:8px}
.sub{color:var(--muted);font-size:14px;margin-top:4px}
.sub.big{font-size:16px;margin-top:8px}
.sub.bold{font-weight:700}
.sub.nm{margin:0}
h2.sec{font-size:16px;font-weight:800;margin:20px 0 10px}
.dim{font-weight:400;color:var(--muted);font-size:13px}
.hl{color:var(--primary)}
.center{text-align:center;display:flex;flex-direction:column;align-items:center}
.center-text{text-align:center}
.hero-emoji{font-size:72px}
.hero-emoji.sm{font-size:64px}
.spacer{flex:1}
.foot{font-size:11px;color:#B8B0A3;text-align:center;padding:12px 0 4px}
.big-q{font-size:32px;font-weight:800;line-height:1.2;margin:24px 0 8px}
.big-q.md{font-size:25px}

.btn{display:block;width:100%;padding:16px;border:none;border-radius:var(--radius);font-size:17px;
  font-weight:700;cursor:pointer;transition:transform .1s;text-align:center;font-family:inherit}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.35)}
.btn-primary:disabled{opacity:.4;box-shadow:none;cursor:default}
.btn-ghost{background:#fff;color:var(--ink);border:2px solid #EFE8DE}
.btn+.btn,.field+.btn{margin-top:12px}
.btn.small{padding:10px 14px;font-size:14px;width:auto;display:inline-block;border-radius:12px}
.btn-row{display:flex;gap:10px}
.btn-row .btn{margin:0;flex:1}
.btn-row .btn.wide{flex:2}
.cta{padding:20px;font-size:19px}
.cta small{display:block;font-size:12px;font-weight:500;opacity:.85;margin-top:2px}
@media (hover:hover){
  .btn-primary:hover{background:var(--primary-dark)}
  .btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark)}
}

.chip-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.chip-row.nm{margin:0}
.chip{padding:8px 14px;border-radius:99px;background:#fff;border:2px solid #EFE8DE;font-size:14px;
  font-weight:600;cursor:pointer;user-select:none}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip.red.on{background:var(--red);border-color:var(--red)}

.card{background:#fff;border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);margin-bottom:12px}
.card.rw{margin-top:0}
.card.note{background:#F6FBF8}
.row{display:flex;align-items:center;gap:12px}
.row.spread{justify-content:space-between;margin-top:8px}
.row .grow{flex:1}
.ic{font-size:24px}

.avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:20px;background:#fff;border:3px solid var(--bg);margin-left:-8px;box-shadow:var(--shadow);flex-shrink:0}
.avatar:first-child{margin-left:0}
.avatar.clickable{cursor:pointer;margin-left:0}
.avatar.lg{width:56px;height:56px;font-size:26px;margin-left:0}
.avatar.pop{animation:pop .4s cubic-bezier(.2,1.6,.4,1)}
.lgname{font-size:18px}
.members{display:flex;margin:16px 0 6px}
.members.center{justify-content:center;margin-top:14px}

.banner{background:linear-gradient(120deg,#FFE9D6,#FFF3E6);border-radius:var(--radius);
  padding:14px 16px;display:flex;gap:12px;align-items:center;margin:14px 0;font-size:14px}
.banner b{display:block}
.fun{background:linear-gradient(120deg,#FFF3E6,#FFE9D6);border-radius:14px;padding:12px 14px;
  font-size:14px;margin-bottom:8px}

.mode-card{background:#fff;border-radius:var(--radius);padding:16px;display:flex;align-items:center;
  gap:14px;box-shadow:var(--shadow);cursor:pointer;margin-bottom:12px;border:2px solid transparent;transition:border .15s}
.mode-card:active,.mode-card:hover{border-color:var(--primary)}
.mode-emoji{font-size:30px}
.mode-card h3{font-size:16px}
.mode-card p{font-size:13px;color:var(--muted);margin-top:2px}

/* SUGGESTIONS */
.suggest-row{display:flex;gap:10px;overflow-x:auto;margin:12px -20px;padding:4px 20px 12px;scrollbar-width:none}
.suggest-row::-webkit-scrollbar{display:none}
.suggest-card{flex:0 0 140px;background:#fff;border-radius:18px;padding:14px;box-shadow:var(--shadow);
  cursor:pointer;text-align:center;transition:transform .15s}
.suggest-card:hover{transform:translateY(-3px)}
.suggest-card .se{font-size:44px}
.suggest-card b{display:block;font-size:14px;margin-top:6px}
.suggest-card .sv{font-size:11px;color:var(--muted);margin-top:3px;line-height:1.4}
@media (min-width:640px){
  .suggest-card{flex:0 0 150px}
}

/* SWIPE DECK */
#deck{position:relative;flex:1;min-height:380px;margin:12px 0;touch-action:pan-y}
.food-card{position:absolute;inset:0;background:#fff;border-radius:24px;
  box-shadow:0 10px 30px rgba(45,42,38,.15);display:flex;flex-direction:column;overflow:hidden;
  cursor:grab;user-select:none;transition:transform .3s,opacity .3s}
.food-card:active{cursor:grabbing}
.food-card .pic{flex:1;display:flex;align-items:center;justify-content:center;font-size:100px;
  background:linear-gradient(160deg,#FFF3E6,#FFE3CC)}
.food-card .info{padding:16px 18px 20px}
.food-card h2{font-size:23px;font-weight:800}
.food-card .venue{font-size:13px;color:var(--muted);margin-top:4px}
.food-card .meta{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.tag{font-size:12px;font-weight:600;padding:4px 10px;border-radius:99px;background:#F3EDE4;color:#6B6459}
.tag.new{background:#FFE9D6;color:var(--primary-dark)}
.stamp{position:absolute;top:24px;font-size:26px;font-weight:900;padding:6px 16px;border-radius:12px;
  border:4px solid;transform:rotate(-14deg);opacity:0;transition:opacity .15s}
.stamp.like{left:18px;color:var(--green);border-color:var(--green)}
.stamp.nope{right:18px;color:var(--red);border-color:var(--red);transform:rotate(14deg)}
.swipe-btns{display:flex;justify-content:center;gap:28px;padding:8px 0 4px}
.round{width:60px;height:60px;border-radius:50%;border:none;font-size:26px;cursor:pointer;
  box-shadow:var(--shadow);background:#fff}
.round:active{transform:scale(.9)}
.round.yes{color:var(--green)} .round.no{color:var(--red)}
.progress{height:6px;background:#EFE8DE;border-radius:99px;overflow:hidden;margin-top:8px}
.progress i{display:block;height:100%;background:var(--primary);width:0;transition:width .3s;border-radius:99px}

.live-feed{background:#fff;border-radius:14px;padding:10px 14px;font-size:13px;color:var(--muted);
  margin-top:12px;min-height:40px;box-shadow:var(--shadow)}
.live-feed b{color:var(--ink)}

/* VOTE */
.vote-item{background:#fff;border-radius:var(--radius);padding:14px 16px;display:flex;align-items:center;
  gap:12px;box-shadow:var(--shadow);margin-bottom:10px;cursor:pointer;border:2px solid transparent}
.vote-item.picked{border-color:var(--primary)}
.vote-item .em{font-size:28px}
.vote-bar{height:8px;background:#F3EDE4;border-radius:99px;margin-top:6px;overflow:hidden}
.vote-bar i{display:block;height:100%;background:var(--gold);width:0;transition:width .6s;border-radius:99px}
.vote-count{font-size:13px;color:var(--muted);font-weight:700;min-width:44px;text-align:right}

/* WHEEL */
#wheelWrap{display:flex;flex-direction:column;align-items:center;margin:16px 0;position:relative}
#wheel{transition:transform 4s cubic-bezier(.15,.9,.25,1);max-width:100%}
#pointer{position:absolute;top:-6px;left:50%;transform:translateX(-50%);font-size:30px;z-index:2}

/* RESULT */
.result-hero{text-align:center;margin-top:16px;margin-bottom:20px}
.big-emoji{font-size:88px;animation:pop .5s cubic-bezier(.2,1.6,.4,1)}
@keyframes pop{from{transform:scale(0)}to{transform:scale(1)}}
.result-hero h1{font-size:30px;font-weight:800;margin-top:8px}
.match-label{display:inline-block;background:var(--green);color:#fff;font-weight:800;
  padding:6px 18px;border-radius:99px;margin-top:12px;font-size:14px}

.hist{background:#fff;border-radius:14px;padding:12px 16px;display:flex;justify-content:space-between;
  font-size:14px;margin-bottom:8px;box-shadow:var(--shadow);gap:10px}
.hist span:last-child{color:var(--muted);white-space:nowrap}
.back{background:none;border:none;font-size:15px;color:var(--muted);cursor:pointer;text-align:left;
  padding:0;font-weight:600;font-family:inherit}

.stat-bar{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:14px}
.stat-bar .lbl{width:110px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.stat-bar .bar{flex:1;height:22px;background:#F3EDE4;border-radius:8px;overflow:hidden}
.stat-bar .bar i{display:block;height:100%;background:var(--primary);border-radius:8px}
.stat-bar .val{width:24px;text-align:right;font-weight:700;color:var(--muted);font-size:13px}

.switch{width:48px;height:28px;border-radius:99px;background:#E5DED3;position:relative;cursor:pointer;
  transition:background .2s;flex-shrink:0}
.switch::after{content:'';position:absolute;width:22px;height:22px;border-radius:50%;background:#fff;
  top:3px;left:3px;transition:left .2s;box-shadow:0 2px 6px rgba(0,0,0,.2)}
.switch.on{background:var(--green)}
.switch.on::after{left:23px}

/* MODALS */
.modal{position:fixed;inset:0;background:rgba(45,42,38,.5);display:none;align-items:flex-end;
  justify-content:center;z-index:100}
.modal.show{display:flex}
.sheet{background:#fff;width:100%;max-width:480px;border-radius:24px 24px 0 0;padding:24px 20px 32px;
  animation:up .3s ease;max-height:92dvh;overflow-y:auto}
@media (min-width:640px){
  .modal{align-items:center;padding:24px}
  .sheet{border-radius:24px}
}
@keyframes up{from{transform:translateY(60px);opacity:0}to{transform:none;opacity:1}}
.sheet-title{font-size:18px}
.link-box{background:#F3EDE4;border-radius:12px;padding:12px 14px;font-size:13px;font-family:monospace;
  display:flex;justify-content:space-between;align-items:center;margin:14px 0;gap:8px;word-break:break-all}
.qr{width:200px;height:200px;border-radius:12px;margin:14px auto}

.joiner{display:flex;align-items:center;gap:12px;background:#fff;border-radius:14px;padding:10px 14px;
  margin-bottom:8px;box-shadow:var(--shadow);animation:fadeIn .35s ease}
.joiner .tag.ok{background:#E8F6EE;color:var(--green)}

.field{margin-bottom:14px}
.field label{font-size:13px;font-weight:700;color:var(--muted);display:block;margin-bottom:6px}
.field input{width:100%;padding:13px 14px;border:2px solid #EFE8DE;border-radius:14px;font-size:16px;
  font-family:inherit;background:#fff;color:var(--ink)}
.field input:focus{outline:none;border-color:var(--primary)}
.emoji-row{display:flex;gap:8px;flex-wrap:wrap}
.emoji-pick{width:44px;height:44px;border-radius:12px;background:#fff;border:2px solid #EFE8DE;
  font-size:22px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.emoji-pick.on{border-color:var(--primary);background:#FFF3E6}
.perks{line-height:2}

#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);
  background:var(--ink);color:#fff;padding:12px 20px;border-radius:14px;font-size:14px;font-weight:600;
  opacity:0;transition:all .3s;z-index:200;max-width:90%;text-align:center;pointer-events:none}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}