:root{
  --bg:#0b0d12; --panel:#141824; --panel2:#1b2130; --text:#f2f4f8; --dim:#8b93a3;
  --accent:#ff5c39; --accent2:#ffb020;
  --c-common:#9aa3ad; --c-uncommon:#3ddc84; --c-rare:#4aa3ff; --c-epic:#b45cff;
  --c-legendary:#ffb020; --c-mythic:#ff4d6d; --c-exotic:#2ee6d6;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  background:radial-gradient(1200px 600px at 50% -10%,#1a2133 0%,var(--bg) 55%);
  color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  min-height:100%;display:flex;flex-direction:column;overflow-x:hidden;
}
#confetti{position:fixed;inset:0;pointer-events:none;z-index:60}
#flash{position:fixed;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:55;transition:opacity .5s}
#flash.on{opacity:.85;transition:opacity .05s}

header{padding:14px 16px 10px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.logo{font-weight:900;font-size:22px;letter-spacing:1px}
.logo span{color:var(--accent)}
.pack-balance{margin-left:auto;background:var(--panel);border:1px solid #2a3245;border-radius:20px;padding:5px 12px;font-size:14px}
.pack-balance b{color:var(--accent2)}
nav{display:flex;gap:6px;width:100%}
.tab{flex:1;background:var(--panel);border:1px solid #262e40;color:var(--dim);border-radius:10px;padding:9px 4px;font-weight:700;font-size:11px;letter-spacing:.5px;cursor:pointer}
.tab.active{color:var(--text);border-color:var(--accent);background:linear-gradient(180deg,#2a1a14,#1a1210)}
.pill{background:var(--accent);color:#fff;border-radius:10px;padding:1px 6px;font-size:10px}

main{flex:1;padding:6px 14px 20px;max-width:560px;width:100%;margin:0 auto}
.screen{display:none}
.screen.active{display:block}

/* PACK */
#pack-stage{display:flex;flex-direction:column;align-items:center;padding-top:18px;gap:16px}
.pack{width:210px;height:280px;position:relative;cursor:pointer;filter:drop-shadow(0 18px 30px rgba(0,0,0,.6))}
.pack-idle{animation:bob 3s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.pack-shake{animation:shake .5s ease-in-out 2}
@keyframes shake{0%,100%{transform:rotate(0)}20%{transform:rotate(-4deg) scale(1.02)}40%{transform:rotate(4deg)}60%{transform:rotate(-5deg) scale(1.05)}80%{transform:rotate(3deg)}}
.pack-top{position:absolute;top:0;left:0;right:0;height:64px;background:linear-gradient(135deg,#ff6a3d,#ffb020);border-radius:14px 14px 0 0;z-index:2;transition:transform .45s ease,opacity .45s}
.pack-top::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:12px;background:repeating-linear-gradient(90deg,transparent 0 6px,rgba(0,0,0,.18) 6px 12px)}
.pack-body{position:absolute;inset:0;background:linear-gradient(160deg,#232b3f 0%,#141824 70%);border:2px solid #ff6a3d;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}
.pack-shine{position:absolute;top:-60%;left:-70%;width:60%;height:220%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.14),transparent);transform:rotate(10deg);animation:shine 3.2s linear infinite}
@keyframes shine{0%{left:-70%}60%,100%{left:130%}}
.pack-brand{font-weight:900;font-size:20px;letter-spacing:2px;color:var(--accent2);z-index:1}
.pack-sub{font-size:10px;color:var(--dim);letter-spacing:2px;margin:4px 0 10px;z-index:1}
.pack-art{width:150px;z-index:1}
.pack.open .pack-top{transform:translateY(-90px) rotate(-14deg);opacity:0}
.pack.open{animation:packgone .5s .35s forwards}
@keyframes packgone{to{transform:scale(.6);opacity:0}}

.big-btn{background:linear-gradient(135deg,var(--accent),var(--accent2));border:none;color:#1a0d06;font-weight:900;font-size:17px;letter-spacing:1px;padding:14px 34px;border-radius:14px;cursor:pointer;box-shadow:0 8px 24px rgba(255,92,57,.35)}
.big-btn:active{transform:scale(.96)}
.big-btn.small{font-size:14px;padding:10px 22px}
.big-btn:disabled{filter:grayscale(1);opacity:.5}
.ghost-btn{background:none;border:none;color:var(--dim);font-size:13px;text-decoration:underline;cursor:pointer;padding:6px}
.no-packs{color:var(--accent2);font-size:13px;font-weight:600}

/* REVEAL */
#reveal-stage{padding-top:24px;display:flex;flex-direction:column;gap:22px;align-items:center}
.cards-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;perspective:900px}
.rcard{width:104px;height:150px;position:relative;cursor:pointer;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.2,.7,.3,1.2)}
.rcard.flipped{transform:rotateY(180deg);cursor:default}
.rcard .face{position:absolute;inset:0;border-radius:12px;backface-visibility:hidden;overflow:hidden}
.rcard .back{background:linear-gradient(150deg,#232b3f,#141824);border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;font-size:34px}
.rcard .front{transform:rotateY(180deg);background:var(--panel);border:2px solid;display:flex;flex-direction:column;align-items:center;padding:8px 6px;gap:2px}
.rcard .front .art{width:88px;margin-top:2px}
.rcard .front .r-name{font-size:9.5px;font-weight:800;text-align:center;line-height:1.2;min-height:22px}
.rcard .front .r-rar{font-size:8px;font-weight:900;letter-spacing:1.5px;text-transform:uppercase}
.rcard .front .r-val{font-size:10px;font-weight:700;color:var(--accent2)}
.rcard .front .r-dup{font-size:8px;color:var(--dim)}
.rays{position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent 0 20deg,rgba(255,255,255,.12) 20deg 40deg,transparent 40deg 60deg,rgba(255,255,255,.12) 60deg 80deg,transparent 80deg 100deg,rgba(255,255,255,.12) 100deg 120deg,transparent 120deg 140deg,rgba(255,255,255,.12) 140deg 160deg,transparent 160deg 180deg,rgba(255,255,255,.12) 180deg 200deg,transparent 200deg 220deg,rgba(255,255,255,.12) 220deg 240deg,transparent 240deg 260deg,rgba(255,255,255,.12) 260deg 280deg,transparent 280deg 300deg,rgba(255,255,255,.12) 300deg 320deg,transparent 320deg 340deg,rgba(255,255,255,.12) 340deg 360deg);animation:spin 6s linear infinite;pointer-events:none}
@keyframes spin{to{transform:rotate(360deg)}}
.holo::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.25) 45%,transparent 60%);background-size:250% 250%;animation:holo 2.5s linear infinite;pointer-events:none}
@keyframes holo{0%{background-position:120% 0}100%{background-position:-120% 0}}
.reveal-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;justify-content:center}

.stats-row{display:flex;gap:10px;margin-top:26px}
.stat{flex:1;background:var(--panel);border:1px solid #232b3d;border-radius:12px;padding:10px;text-align:center}
.stat-num{font-weight:900;font-size:16px;color:var(--accent2)}
.stat-lbl{font-size:10px;color:var(--dim);letter-spacing:.5px}

/* RARITY COLORS */
.rar-common{color:var(--c-common)} .rar-uncommon{color:var(--c-uncommon)} .rar-rare{color:var(--c-rare)}
.rar-epic{color:var(--c-epic)} .rar-legendary{color:var(--c-legendary)} .rar-mythic{color:var(--c-mythic)}
.rar-exotic{color:var(--c-exotic)} .rar-special{background:linear-gradient(90deg,#ff5c39,#ffb020,#3ddc84,#4aa3ff,#b45cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.bd-common{border-color:var(--c-common)!important}.bd-uncommon{border-color:var(--c-uncommon)!important}.bd-rare{border-color:var(--c-rare)!important}
.bd-epic{border-color:var(--c-epic)!important;box-shadow:0 0 14px rgba(180,92,255,.35)}
.bd-legendary{border-color:var(--c-legendary)!important;box-shadow:0 0 16px rgba(255,176,32,.45)}
.bd-mythic{border-color:var(--c-mythic)!important;box-shadow:0 0 18px rgba(255,77,109,.5)}
.bd-exotic{border-color:var(--c-exotic)!important;box-shadow:0 0 18px rgba(46,230,214,.5)}
.bd-special{border-color:#fff!important;box-shadow:0 0 22px rgba(255,255,255,.55),0 0 44px rgba(255,92,57,.35)}

/* CHALLENGES */
.col-head{margin:14px 0}
.col-title{font-weight:900;font-size:18px;letter-spacing:1px}
.col-sub{color:var(--dim);font-size:12px;margin-top:2px}
.challenge{background:var(--panel);border:1px solid #232b3d;border-radius:14px;padding:14px;margin-bottom:14px}
.ch-name{font-weight:900;font-size:14px;letter-spacing:1px;color:var(--accent2)}
.ch-desc{color:var(--dim);font-size:12px;margin:4px 0 10px}
.ch-body{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;min-height:10px}
.ch-body input{background:var(--panel2);border:1px solid #2a3245;color:var(--text);border-radius:10px;padding:10px 12px;font-size:14px;width:170px}
.ch-err{color:var(--c-mythic);font-size:12px;width:100%;text-align:center;min-height:14px}
.quiz-art{width:100%;display:flex;justify-content:center;background:var(--panel2);border-radius:12px;padding:10px}
.quiz-art svg{width:200px}
.quiz-opts{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%}
.quiz-opt{background:var(--panel2);border:1px solid #2a3245;color:var(--text);border-radius:10px;padding:10px 8px;font-size:11.5px;font-weight:700;cursor:pointer;line-height:1.25}
.quiz-opt.right{border-color:var(--c-uncommon);background:rgba(61,220,132,.15)}
.quiz-opt.wrong{border-color:var(--c-mythic);background:rgba(255,77,109,.12)}
.quiz-status{width:100%;text-align:center;font-size:13px;font-weight:800;color:var(--accent2)}
.hilo-cards{display:flex;gap:8px;width:100%;justify-content:center}
.hilo-card{flex:1;background:var(--panel2);border:1px solid #2a3245;border-radius:12px;padding:10px;text-align:center}
.hilo-card svg{width:100%;max-width:130px}
.hilo-card .h-name{font-size:10.5px;font-weight:800;min-height:26px;margin-top:4px}
.hilo-card .h-val{font-size:13px;font-weight:900;color:var(--accent2);margin-top:2px;min-height:16px}
.hilo-btns{display:flex;gap:8px;width:100%;justify-content:center}
.hilo-btns button{flex:1;max-width:120px}

/* FRIENDS */
.you-row{text-align:center;color:var(--dim);font-size:13px;margin-bottom:12px}
.you-row b{color:var(--text)}
.friends-list{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.friend{background:var(--panel);border:1px solid #232b3d;border-radius:12px;padding:12px;display:flex;align-items:center;gap:10px}
.friend .f-name{font-weight:800;font-size:14px}
.friend .f-sub{color:var(--dim);font-size:11px;margin-top:2px}
.friend .f-best{margin-left:auto;text-align:right;font-size:11px;color:var(--accent2);font-weight:700;max-width:130px}
.friend .f-rm{background:none;border:none;color:var(--dim);cursor:pointer;font-size:14px;padding:4px}
.friend .f-art{width:52px;flex-shrink:0}
.friend.you{border-color:var(--accent)}

/* COLLECTION */
.filter-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.fchip{background:var(--panel);border:1px solid #262e40;color:var(--dim);border-radius:16px;padding:5px 10px;font-size:10.5px;font-weight:800;letter-spacing:.5px;cursor:pointer;text-transform:uppercase}
.fchip.active{color:var(--text);border-color:currentColor}
.col-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.ccard{background:var(--panel);border:2px solid #232b3d;border-radius:12px;padding:8px 6px;text-align:center;cursor:pointer;position:relative}
.ccard svg{width:100%}
.ccard .c-name{font-size:9px;font-weight:800;line-height:1.2;min-height:22px;margin-top:2px}
.ccard .c-val{font-size:10px;font-weight:700;color:var(--accent2)}
.ccard .c-count{position:absolute;top:4px;right:6px;background:#000a;border-radius:8px;font-size:9px;padding:1px 5px;color:var(--accent2);font-weight:800}
.ccard.locked{opacity:.35;cursor:default}
.ccard.locked .c-name{color:var(--dim)}

/* MODALS */
.modal{position:fixed;inset:0;background:rgba(4,6,10,.8);display:flex;align-items:center;justify-content:center;z-index:70;padding:20px}
.modal.hidden,.hidden{display:none!important}
.modal-card{background:var(--panel);border:1px solid #2a3245;border-radius:16px;padding:22px;max-width:340px;width:100%;text-align:center;position:relative;max-height:85vh;overflow-y:auto}
.modal-close{position:absolute;top:8px;right:10px;background:none;border:none;color:var(--dim);font-size:16px;cursor:pointer}
.modal-art{width:220px;margin:0 auto}
.modal-rarity{font-weight:900;font-size:12px;letter-spacing:2px;text-transform:uppercase;margin-top:6px}
.modal-name{font-weight:900;font-size:16px;margin-top:4px}
.modal-value{color:var(--accent2);font-weight:900;font-size:15px;margin-top:4px}
.modal-count{color:var(--dim);font-size:12px;margin-top:4px}
.modal-note{color:var(--dim);font-size:11px;margin-top:12px}
.odds-list{margin-top:10px;text-align:left}
.odds-row{display:flex;justify-content:space-between;padding:6px 4px;border-bottom:1px solid #232b3d;font-size:13px;font-weight:700}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--accent);color:var(--text);padding:10px 18px;border-radius:12px;font-size:13px;font-weight:700;z-index:80;box-shadow:0 8px 24px rgba(0,0,0,.5)}

footer{text-align:center;color:#5b6373;font-size:10px;padding:14px 10px 18px}
@media(min-width:560px){.rcard{width:130px;height:186px}.rcard .front .art{width:110px}.rcard .front .r-name{font-size:11px}}