:root{
  --bg:#0b0a1a;
  --bg2:#15122e;
  --ink:#ece7ff;
  --muted:#a79fd0;
  --gold:#e6c07b;
  --gold2:#b98f3f;
  --violet:#7b5cff;
  --line:rgba(230,192,123,.28);
  --card-radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Be Vietnam Pro",system-ui,sans-serif;
  color:var(--ink);
  background:radial-gradient(1200px 700px at 50% -10%,#241a4d 0%,var(--bg) 55%,#07060f 100%);
  min-height:100vh;
}
h1,h2,h3{font-family:"Be Vietnam Pro",system-ui,sans-serif;font-weight:600;letter-spacing:.01em}
.numeral{font-family:Cinzel,serif;letter-spacing:.02em}

/* nền sao */
.stars{position:fixed;inset:0;pointer-events:none;z-index:0}
.star{position:absolute;background:#fff;border-radius:50%;opacity:.6;animation:tw 4s infinite ease-in-out}
@keyframes tw{0%,100%{opacity:.15;transform:scale(.8)}50%{opacity:.9;transform:scale(1.2)}}

header.site-header{
  position:sticky;top:0;z-index:20;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:14px 28px;
  background:rgba(11,10,26,.72);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{font-size:30px;color:var(--gold)}
.logo h1{margin:0;font-size:20px;color:var(--gold)}
.logo p{margin:0;font-size:12px;color:var(--muted)}
nav{display:flex;gap:18px;flex-wrap:wrap}
nav a{color:var(--muted);text-decoration:none;font-size:14px}
nav a:hover{color:var(--gold)}

main{position:relative;z-index:1;max-width:1080px;margin:0 auto;padding:0 20px 60px}

.hero{text-align:center;padding:70px 10px 50px}
.eyebrow{letter-spacing:.3em;text-transform:uppercase;font-size:11px;color:var(--gold);margin:0 0 14px}
.hero h2{font-size:clamp(28px,5vw,46px);margin:0 0 16px;line-height:1.25}
.lede{max-width:560px;margin:0 auto 26px;color:var(--muted);line-height:1.7}

.btn{
  background:rgba(255,255,255,.06);color:var(--ink);
  border:1px solid var(--line);border-radius:999px;
  padding:11px 22px;font:inherit;font-size:14px;cursor:pointer;
  text-decoration:none;display:inline-block;transition:.2s;
}
.btn:hover{background:rgba(230,192,123,.14);transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1430;border:none;font-weight:600}

.panel{
  background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.07);
  border-radius:20px;padding:26px;margin-bottom:30px;
}
.section-title{font-size:16px;color:var(--gold);margin:22px 0 14px}
.section-title:first-child{margin-top:0}

.ask-row{display:flex;gap:10px;align-items:stretch}
#question{
  flex:1;min-width:0;padding:14px 16px;border-radius:12px;
  background:rgba(0,0,0,.3);border:1px solid var(--line);
  color:var(--ink);font:inherit;
}
#question:focus{outline:none;border-color:var(--gold)}
#askSend{white-space:nowrap;padding:12px 22px}
.ask-note{
  margin:10px 0 0;font-size:13px;min-height:19px;
  color:var(--muted);line-height:1.5;
}
.ask-note.ok{color:#7fe0a8}
.ask-note.warn{color:var(--gold)}
.ask-note a{color:var(--gold)}
@media(max-width:520px){
  .ask-row{flex-direction:column}
  #askSend{width:100%}
}
#question::placeholder{color:#6f67a0}

.spreads{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.spread{
  text-align:left;padding:14px;border-radius:14px;cursor:pointer;
  background:rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.08);transition:.2s;
}
.spread:hover{border-color:var(--line)}
.spread.active{border-color:var(--gold);background:rgba(230,192,123,.1)}
.spread b{display:block;font-size:14px;margin-bottom:4px}
.spread span{font-size:12px;color:var(--muted);line-height:1.5}

.deck-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:16px 0}
.picked-count{font-size:13px;color:var(--muted)}
.switch{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer}
.switch input{display:none}
.switch span{width:38px;height:21px;border-radius:999px;background:rgba(255,255,255,.12);position:relative;transition:.2s}
.switch span::after{content:"";position:absolute;top:3px;left:3px;width:15px;height:15px;border-radius:50%;background:var(--muted);transition:.2s}
.switch input:checked+span{background:rgba(230,192,123,.4)}
.switch input:checked+span::after{left:20px;background:var(--gold)}

/* quạt bài */
.fan{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding:10px 0}
.back{
  width:66px;height:106px;border-radius:10px;cursor:pointer;flex:0 0 auto;
  background:
    repeating-linear-gradient(45deg,rgba(230,192,123,.14) 0 6px,transparent 6px 12px),
    linear-gradient(160deg,#2a1f5c,#140f33);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold);font-size:20px;
  transition:transform .2s,box-shadow .2s,opacity .2s;
}
.back:hover{transform:translateY(-10px);box-shadow:0 10px 24px rgba(123,92,255,.35)}
.back.taken{opacity:.25;pointer-events:none;transform:translateY(4px)}

/* lá bài kết quả */
.result.hidden,.modal.hidden{display:none}
.result-question{color:var(--muted);font-style:italic;margin:0 0 18px}
.result-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.slot{text-align:center}
.slot .pos{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.tarot{
  width:176px;margin:0 auto 12px;border-radius:var(--card-radius);
  background:linear-gradient(170deg,#fdf6e6,#e8dcc0);
  color:#2a2050;border:2px solid var(--gold2);
  display:flex;flex-direction:column;align-items:center;
  padding:8px 8px 12px;position:relative;
  box-shadow:0 14px 30px rgba(0,0,0,.45);
  animation:flip .6s ease both;
}
.tarot .art{
  width:100%;aspect-ratio:600/1040;border-radius:8px;overflow:hidden;
  background:#f3ead4;position:relative;margin-bottom:9px;
  display:flex;align-items:center;justify-content:center;
}
.tarot .art img{width:100%;height:100%;object-fit:cover;display:block}
.tarot .art .fallback{display:none;flex-direction:column;align-items:center;gap:10px}
.tarot .art.noimg img{display:none}
.tarot .art.noimg .fallback{display:flex}
@keyframes flip{from{transform:rotateY(90deg) scale(.9);opacity:0}to{transform:rotateY(0) scale(1);opacity:1}}
.tarot.rev{animation:flipRev .6s ease both}
@keyframes flipRev{from{transform:rotateY(90deg) scale(.9);opacity:0}to{transform:rotate(180deg);opacity:1}}
.tarot .numeral{font-size:13px;letter-spacing:.14em}
.tarot .glyph{font-size:52px;line-height:1;color:var(--gold2);text-shadow:0 2px 0 rgba(0,0,0,.08)}
.tarot .cname{font-family:"Be Vietnam Pro",sans-serif;font-weight:600;font-size:14px;text-align:center;line-height:1.3}
.tarot .cname small{display:block;font-family:"Be Vietnam Pro",sans-serif;font-size:11px;color:#6a5f8f;margin-top:3px}
.tarot::after{content:"";position:absolute;inset:4px;border:1px solid rgba(185,143,63,.45);border-radius:10px;pointer-events:none}
.slot .tag{display:inline-block;font-size:11px;padding:3px 10px;border-radius:999px;margin-bottom:8px}
.tag.up{background:rgba(120,220,160,.16);color:#7fe0a8}
.tag.rev{background:rgba(255,140,160,.16);color:#ff9fb2}
.slot p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}

.summary{
  margin-top:24px;padding:18px;border-radius:14px;
  background:rgba(123,92,255,.1);border:1px solid rgba(123,92,255,.3);
  line-height:1.75;font-size:14px;
}
.summary b{color:var(--gold)}
.disclaimer{font-size:12px;color:#6f67a0;margin-top:14px}

/* thư viện */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{padding:7px 15px;border-radius:999px;font-size:13px;cursor:pointer;
  background:rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.08);color:var(--muted)}
.chip.active{border-color:var(--gold);color:var(--gold);background:rgba(230,192,123,.1)}
.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:10px}
.mini{
  border-radius:10px;padding:12px 8px;text-align:center;cursor:pointer;
  background:linear-gradient(170deg,#241c52,#15102f);
  border:1px solid rgba(255,255,255,.08);transition:.18s;
}
.mini:hover{border-color:var(--gold);transform:translateY(-3px)}
.mini .thumb{
  width:100%;aspect-ratio:600/1040;border-radius:7px;overflow:hidden;
  background:#1b1540;border:1px solid rgba(185,143,63,.4);
  display:flex;align-items:center;justify-content:center;
}
.mini .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.mini .thumb .g{display:none;font-size:26px;color:var(--gold)}
.mini .thumb.noimg img{display:none}
.mini .thumb.noimg .g{display:block}
.mini .n{font-size:11.5px;margin-top:6px;line-height:1.35}
.mini .e{font-size:10px;color:var(--muted)}

/* lịch sử */
.history-list{display:flex;flex-direction:column;gap:10px}
.hist{padding:14px;border-radius:12px;background:rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.07)}
.hist .q{font-size:14px;margin-bottom:6px}
.hist .m{font-size:12px;color:var(--muted)}
.empty{color:var(--muted);font-size:14px}

/* modal */
.modal{position:fixed;inset:0;z-index:40;background:rgba(5,4,15,.8);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px}
.modal-box{background:linear-gradient(160deg,#1d1746,#120e2c);border:1px solid var(--line);
  border-radius:18px;padding:26px;max-width:460px;width:100%;position:relative;max-height:88vh;overflow:auto}
.modal-close{position:absolute;top:10px;right:14px;background:none;border:none;color:var(--muted);font-size:26px;cursor:pointer}
.modal h4{font-family:"Be Vietnam Pro",sans-serif;font-weight:600;color:var(--gold);margin:0 0 4px;font-size:20px}
.modal .sub{color:var(--muted);font-size:13px;margin:0 0 16px}
.modal .meaning{margin-bottom:14px;font-size:14px;line-height:1.7}
.modal .meaning b{display:block;color:var(--gold);font-size:12px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}

footer{text-align:center;color:#5d5690;font-size:12px;padding:30px;position:relative;z-index:1}

@media(max-width:600px){
  header.site-header{flex-direction:column;align-items:flex-start;padding:12px 16px}
  .panel{padding:18px}
  .back{width:52px;height:84px}
  .tarot{width:156px}
}

/* ===== Chat với Tabii ===== */
.tabii-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.tabii-avatar{
  width:46px;height:46px;flex:0 0 auto;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:24px;
  background:linear-gradient(135deg,rgba(123,92,255,.4),rgba(230,192,123,.3));
  border:1px solid var(--line);
}
.tabii-sub{margin:4px 0 0;font-size:13px;color:var(--muted);line-height:1.6}

.chat{
  height:330px;overflow-y:auto;padding:16px;border-radius:14px;
  background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.07);
  display:flex;flex-direction:column;gap:10px;
}
.chat::-webkit-scrollbar{width:7px}
.chat::-webkit-scrollbar-thumb{background:rgba(230,192,123,.25);border-radius:9px}

.msg{display:flex;max-width:84%}
.msg.bot{align-self:flex-start}
.msg.user{align-self:flex-end;justify-content:flex-end}
.bubble{
  padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.65;
  white-space:pre-wrap;word-break:break-word;
}
.msg.bot .bubble{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.08);border-bottom-left-radius:5px}
.msg.user .bubble{background:linear-gradient(135deg,rgba(123,92,255,.45),rgba(123,92,255,.25));border-bottom-right-radius:5px}
.msg.err .bubble{background:rgba(255,120,140,.14);border-color:rgba(255,120,140,.35);color:#ffb3c0}

.msg.typing .bubble{display:flex;gap:5px;align-items:center;padding:14px}
.msg.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:dot 1.2s infinite}
.msg.typing i:nth-child(2){animation-delay:.18s}
.msg.typing i:nth-child(3){animation-delay:.36s}
@keyframes dot{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}

.chat-result{
  align-self:stretch;margin-top:4px;padding:16px;border-radius:14px;
  background:rgba(230,192,123,.1);border:1px solid var(--line);
}
.cr-label{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.cr-q{font-size:15px;line-height:1.6;margin-bottom:8px}
.cr-s{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.cr-s b{color:var(--ink)}
.cr-go{font-size:13.5px;padding:9px 18px}

.quick{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 0}
.quick .chip{font-size:12.5px}
.quick .chip:hover{border-color:var(--gold);color:var(--gold)}

.chat-input{display:flex;gap:10px;margin-top:14px}
.chat-input input{
  flex:1;padding:13px 16px;border-radius:12px;font:inherit;
  background:rgba(0,0,0,.3);border:1px solid var(--line);color:var(--ink);
}
.chat-input input::placeholder{color:#6f67a0}
.chat-input button{white-space:nowrap}
.chat-input button:disabled{opacity:.5;cursor:default;transform:none}

@media(max-width:600px){
  .chat{height:300px}
  .msg{max-width:92%}
}

/* ===== Luận giải bằng AI ===== */
.summary.ai{background:rgba(230,192,123,.08);border-color:var(--line)}
.ai-head{
  display:flex;align-items:center;gap:9px;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);
  margin-bottom:12px;
}
.ai-dot{
  width:8px;height:8px;border-radius:50%;background:var(--gold);
  animation:pulse 1.1s infinite ease-in-out;
}
.ai-dot.done{animation:none;background:#7fe0a8}
@keyframes pulse{0%,100%{opacity:.25;transform:scale(.8)}50%{opacity:1;transform:scale(1.25)}}
.ai-body{white-space:pre-wrap;line-height:1.85;font-size:14.5px}
.ai-body:empty::after{content:"…";color:var(--muted)}
.ai-fallback{margin:12px 0 0;font-size:12px;color:#6f67a0;font-style:italic}