:root{--surface2:var(--surface-alt);--border2:var(--border-strong);--muted:var(--text-muted);--dim:var(--text-dim);--purple:var(--primary);--purple-l:var(--violet-300);--pink:var(--accent);--green:var(--success);--font-head:var(--font-display);--radius:var(--radius-md)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100%}#main-content{min-height:calc(100dvh - var(--nav-h,56px))}#po-app{max-width:900px;margin:0 auto;padding:24px 16px 60px}.btn{font-family:var(--font-body);cursor:pointer;white-space:nowrap;border:none;border-radius:8px;align-items:center;gap:5px;padding:10px 18px;font-size:.85rem;font-weight:800;transition:opacity .15s,transform .1s;display:inline-flex}.btn:active{transform:scale(.95)}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{opacity:.9}.btn-secondary{background:var(--surface);border:1px solid var(--border2);color:var(--muted)}.btn-secondary:hover{border-color:var(--purple);color:var(--purple);background:var(--surface2)}#po-login-gate{justify-content:center;padding:60px 16px;display:flex}.po-gate-box{text-align:center;max-width:420px}.po-gate-icon{margin-bottom:8px;font-size:3.5rem}.po-gate-title{font-family:var(--font-head);margin-bottom:10px;font-size:1.6rem}.po-gate-sub{color:var(--muted);margin-bottom:20px;font-size:.9rem;line-height:1.5}.po-header{text-align:center;margin-bottom:16px}.po-title{font-family:var(--font-head);margin-bottom:4px;font-size:1.6rem}.po-sub{color:var(--muted);font-size:.88rem}#po-status-bar{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--muted);flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:20px;padding:10px 16px;font-size:.82rem;display:flex}.po-status-remaining strong{color:var(--purple);font-size:.95rem}#po-pack-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px;margin-bottom:20px;display:grid}.po-pack-tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;font-family:var(--font-body);text-align:center;padding:12px;transition:transform .15s,border-color .15s,box-shadow .15s}.po-pack-tile:hover{border-color:var(--purple);box-shadow:var(--shadow-md);transform:translateY(-3px)}.po-pack-tile-art{aspect-ratio:511/1010;background:var(--surface2);border-radius:8px;margin-bottom:8px;overflow:hidden}.po-pack-tile-art img{object-fit:cover;width:100%;height:100%;display:block}.po-pack-tile-art.po-pack-art-missing{background:linear-gradient(160deg,#6d5bff,#db2777);place-items:center;display:grid}.po-pack-tile-art.po-pack-art-missing:after{content:attr(data-set);color:#fff;letter-spacing:.06em;font-size:.95rem;font-weight:800}.po-pack-tile-name{color:var(--text);font-size:.85rem;font-weight:800}.po-pack-tile-set{color:var(--dim);font-size:.7rem}.po-disclaimer{text-align:center;color:var(--dim);margin-top:12px;font-size:.7rem}#po-tear-stage{flex-direction:column;align-items:center;padding:20px 0 60px;display:flex}.po-back-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;align-self:flex-start;margin-bottom:12px;font-size:.85rem;font-weight:700}.po-back-btn:hover{color:var(--purple)}.po-tear-hint{color:var(--muted);margin-bottom:20px;font-size:.88rem}#po-tear-wrap{--po-tear-progress:0;touch-action:none;cursor:grab;-webkit-user-select:none;user-select:none;width:162px;height:320px;position:relative}#po-tear-wrap.dragging{cursor:grabbing}#po-pack-top,#po-pack-bottom{background-color:#6d5bff;background-repeat:no-repeat;background-size:auto 320px;border-radius:10px;width:100%;position:absolute;left:0;overflow:hidden;box-shadow:0 6px 20px #00000040}#po-pack-top{height:25%;transform:translateY(calc(var(--po-tear-progress) * -30px)) rotate(calc(var(--po-tear-progress) * -6deg));background-position:top;border-bottom-right-radius:0;border-bottom-left-radius:0;transition:transform 50ms linear;top:0}#po-pack-bottom{height:75%;transform:translateY(calc(var(--po-tear-progress) * 30px));background-position:bottom;border-top-left-radius:0;border-top-right-radius:0;transition:transform 50ms linear;top:25%}#po-tear-wrap.torn #po-pack-top{opacity:0;transition:transform .5s ease-in,opacity .5s ease-in;transform:translateY(-260px)rotate(-30deg)}#po-tear-wrap.torn #po-pack-bottom{opacity:0;transition:transform .5s ease-in,opacity .5s ease-in;transform:translateY(260px)}#po-tear-arrow{pointer-events:none;z-index:2;flex-direction:column;align-items:center;gap:4px;transition:opacity .2s;display:flex;position:absolute;top:28%;left:50%;transform:translate(-50%)}.po-chev{filter:drop-shadow(0 1px 4px #0009);border-bottom:5px solid #fff;border-right:5px solid #fff;border-radius:2px;width:26px;height:26px;animation:1.4s ease-in-out infinite po-chev-drop}.po-chev:nth-child(2){animation-delay:.18s}.po-chev:nth-child(3){animation-delay:.36s}@keyframes po-chev-drop{0%,to{opacity:.15;transform:translateY(0)rotate(45deg)}50%{opacity:1;transform:translateY(12px)rotate(45deg)}}#po-tear-wrap.dragging #po-tear-arrow,#po-tear-wrap.torn #po-tear-arrow{opacity:0}#po-reveal-stage{padding:20px 0 60px;position:relative}#po-reveal-slots{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;max-width:760px;margin:0 auto;display:grid}.po-slot{aspect-ratio:5/7;perspective:1000px}.po-card-flip{width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s;position:relative}.po-card-flip.flipped{transform:rotateY(180deg)}.po-card-face{backface-visibility:hidden;background:var(--surface2);border-radius:8px;position:absolute;inset:0;overflow:hidden;box-shadow:0 4px 14px #0003}.po-card-face img{object-fit:contain;width:100%;height:100%;display:block}.po-card-rear{transform:rotateY(180deg)}.po-card-face img.po-art-rot,.po-result-img-wrap img.po-art-rot{width:140%;height:71.4286%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotate(90deg)}#po-results{text-align:center;padding:20px 0 60px;position:relative}.po-results-title{font-family:var(--font-head);margin-bottom:16px;font-size:1.3rem}#po-results-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;max-width:760px;margin:0 auto 24px;display:grid}.po-result-tile{text-align:left;min-width:0}.po-result-img-wrap{aspect-ratio:5/7;background:var(--surface2);border:1px solid var(--border);border-radius:8px;margin-bottom:6px;position:relative;overflow:hidden}.po-result-img-wrap img{object-fit:contain;width:100%;height:100%;display:block}.po-result-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:.72rem;font-weight:700;overflow:hidden}.po-result-rarity{color:var(--dim);font-size:.66rem}.po-results-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}@media (width<=520px){#po-reveal-slots,#po-results-grid{gap:6px}.po-result-name{font-size:.56rem}.po-result-rarity{font-size:.52rem}}.toast-wrap{z-index:1000;pointer-events:none;flex-direction:column;align-items:center;gap:5px;display:flex;position:fixed;bottom:70px;left:50%;transform:translate(-50%)}.toast{background:var(--surface2);border:1px solid var(--border2);color:var(--text);opacity:0;white-space:nowrap;border-radius:20px;padding:7px 16px;font-size:.78rem;font-weight:700;transition:opacity .22s,transform .22s;transform:translateY(8px)}.toast.show{opacity:1;transform:translateY(0)}.toast.t-ok{border-color:var(--success);color:var(--success)}.toast.t-warn{border-color:var(--warning);color:var(--warning)}.toast.t-err{border-color:var(--danger);color:var(--danger)}.po-title,.po-gate-title,.po-results-title{font-weight:var(--fw-semibold)}