:root{color-scheme:dark;--tier-bg:#080b14;--tier-panel:#101828;--tier-text:#eef5ff;--tier-muted:#9eb3cc;--tier-line:#2c415d;--tier-blue:#66bdff;--tier-red:#ff597f;font-family:"Segoe UI","Noto Sans TC",Arial,sans-serif}*{box-sizing:border-box}body.tier-page{margin:0;min-height:100dvh;background:radial-gradient(ellipse at 0 0,#68213a1c,transparent 42%),radial-gradient(ellipse at 100% 20%,#154d7629,transparent 50%),var(--tier-bg);color:var(--tier-text);font:15px/1.5 "Segoe UI","Noto Sans TC",Arial,sans-serif}button,input,select{font:inherit}button,a{touch-action:manipulation}button{color:inherit;min-height:44px;padding:10px 16px;background:#192b42;border:1px solid #405e80;border-radius:9px;font-weight:700;cursor:pointer}button:hover:enabled{border-color:#79c9ff;background:#213c59}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #87d0ff;outline-offset:3px}input,select{color:var(--tier-text);background:#0c1523;border:1px solid #44617f;border-radius:9px;min-height:46px;padding:10px 12px;min-width:0;font-size:16px}a{color:#cce7ff;text-decoration:none}a:hover{color:#fff}[hidden]{display:none!important}.tier-header{width:min(1560px,calc(100% - 64px));margin:auto;display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:96px;border-bottom:1px solid #2a3d55}.tier-header-brand{display:flex;align-items:center;gap:20px}.tier-header-brand>a{display:flex;align-items:center;min-height:44px}.tier-header img{width:105px;height:65px;object-fit:contain}.tier-header [data-tier-language]{min-width:50px;padding:8px 12px;font-size:13px}.tier-header nav{display:flex;gap:24px;align-items:center}.tier-header nav>a{font-size:14px;font-weight:800;padding:12px 0;min-height:44px}.tier-header nav>a:last-child{border:1px solid #426586;padding:10px 16px;border-radius:8px}.tier-main{width:min(1460px,calc(100% - 64px));margin:0 auto;padding:40px 0 30px}.tier-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:30px}.tier-eyebrow{font-size:11px;letter-spacing:2px;color:#7bc9ff;font-weight:800}.tier-heading h1{font-size:clamp(30px,3.5vw,48px);line-height:1.15;margin:10px 0 12px;letter-spacing:-1px}.tier-heading p{font-size:15px;margin:0;color:var(--tier-muted)}.tier-live-status,.tier-management-status{display:flex;align-items:center;gap:9px;color:#a2c9e7;font-size:12px;white-space:nowrap}.tier-live-dot{width:7px;height:7px;border-radius:50%;background:#66beff;box-shadow:0 0 12px #66beff91}.tier-management-status{align-items:flex-end;flex-direction:column;gap:10px}.tier-role-tag{padding:7px 11px;background:#153451;border:1px solid #4386b7;border-radius:7px;color:#bee6ff;font-size:12px;font-weight:800}.tier-management-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 20px;margin-bottom:20px;border:1px solid #3a526f;border-left:3px solid var(--tier-blue);background:linear-gradient(100deg,#17273b,#101927);border-radius:10px}.tier-management-toolbar p{font-size:13px;margin:0;color:#bdd0e7;display:flex;align-items:center;gap:12px}.tier-drag-hint{font-size:27px;line-height:1;color:#8dccff}.tier-undo{font-size:13px;white-space:nowrap}.tier-filter-panel{padding:20px 22px;background:#101b2bcc;border:1px solid var(--tier-line);border-radius:14px;margin-bottom:24px}.tier-filter-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,240px);gap:20px}.tier-filter-top label{display:grid;gap:8px;font-size:12px;font-weight:700;color:#c0d0e2}.tier-search-box{display:flex;align-items:center;position:relative;color:#88b0d5}.tier-search-box>svg{position:absolute;left:14px;width:20px;height:20px;pointer-events:none}.tier-search-box input{width:100%;padding:12px 45px;min-height:49px;font-size:16px}.tier-search-box input::-webkit-search-cancel-button{display:none}.tier-search-clear{position:absolute;right:3px;top:3px;min-height:44px;width:44px;padding:0;border:0;background:transparent;font-size:24px;line-height:1;color:#b6cce4}.tier-type-label select{width:100%;min-height:49px}.tier-category-filters{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.tier-category-filters>button{font-size:13px;padding:10px 15px;display:flex;align-items:center;gap:10px;min-height:44px;background:#132035;border-color:#354f6e;color:#aac1d8}.tier-category-filters>button[aria-pressed=true]{border-color:#74c0fa;color:#eff8ff;background:#17436a;box-shadow:inset 0 0 17px #479bcd12}.tier-category-count{font-size:11px;min-width:19px;padding:1px 5px;color:#c8def2;background:#0003;border-radius:5px;font-weight:500}.tier-filter-summary{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:14px;min-height:32px}.tier-filter-summary p{margin:0;color:var(--tier-muted);font-size:12px}.tier-filter-summary>button{background:transparent;border:0;min-height:44px;padding:6px 0;color:#9dd5ff;font-size:12px}.tier-notice{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 18px;border:1px solid #a75a70;border-radius:11px;background:#3b1a2b;margin-bottom:20px}.tier-notice p{margin:0;color:#ffd0dd;font-size:14px}.tier-notice button{flex-shrink:0;min-height:44px;font-size:13px;background:#51273c;border-color:#b2738a}.tier-feedback{font-size:13px;min-height:20px;margin:0 0 16px;color:#a5d8ff}.tier-feedback.is-error{color:#ffadbf}.tier-loading{display:flex;flex-direction:column;align-items:center;gap:10px;padding:65px 22px;border:1px dashed #3d5b7d;border-radius:14px;background:#0d1523;text-align:center}.tier-loading h2{font-size:23px;margin:5px 0 0}.tier-loading p{font-size:14px;color:var(--tier-muted);margin:0}.tier-loader{width:40px;height:40px;border:2px solid #415f7d;border-right-color:#80c7ff;border-left-color:#ff6f8e;border-radius:50%;animation:tier-load-turn 1.5s linear infinite}.tier-loading.is-error .tier-loader{animation:none;border-color:#a55770}.tier-board{display:flex;flex-direction:column;gap:11px}.tier-row{--tier-hue:calc(210 + var(--tier-index)*11);display:grid;grid-template-columns:92px minmax(0,1fr);background:#0e1725;border:1px solid #2e435e;border-radius:13px;overflow:visible;position:relative;min-height:112px;transition:border-color .16s,box-shadow .16s}.tier-grade{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;position:relative;min-width:0;padding:20px 6px;text-align:center;border-radius:12px 0 0 12px;border-right:1px solid hsl(var(--tier-hue) 65% 65% / .25);background:linear-gradient(135deg,hsl(var(--tier-hue) 55% 25% / .65),hsl(var(--tier-hue) 35% 15% / .7));box-shadow:inset 3px 0 hsl(var(--tier-hue) 85% 70% / .85)}.tier-grade h2{font-size:35px;font-weight:900;line-height:1;margin:0;color:hsl(var(--tier-hue) 90% 82%);text-shadow:0 0 25px hsl(var(--tier-hue) 75% 60% / .2);letter-spacing:-1px}.tier-grade>span{font-size:11px;color:hsl(var(--tier-hue) 40% 80% / .8);font-variant-numeric:tabular-nums}.tier-row[data-tier-row="-"] .tier-grade{background:linear-gradient(135deg,#283545,#17202e);border-color:#465368;box-shadow:inset 3px 0 #7d91a9}.tier-row[data-tier-row="-"] .tier-grade h2{color:#ced8e5}.tier-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));align-items:start;gap:12px;padding:15px;min-height:110px;min-width:0}.tier-empty-row{grid-column:1/-1;margin:0;align-self:center;padding:16px 10px;text-align:left;color:#71869f;font-size:13px;font-weight:400;min-height:52px;display:flex;align-items:center}.tier-management-page .tier-empty-row{border:1px dashed #3b5472;border-radius:9px;color:#91abc4}.tier-card{position:relative;min-width:0;border:1px solid #304965;border-radius:11px;background:linear-gradient(140deg,#17263b,#101a2b);overflow:visible;margin:0;align-self:stretch;transition:border-color .16s,box-shadow .16s}.tier-card-inner{display:flex;flex-direction:column;gap:8px;min-width:0;width:100%;padding:12px;text-align:left;color:var(--tier-text);background:transparent;border:0;border-radius:10px;font-weight:400;min-height:100%;font-size:13px}.tier-card-inner:hover:enabled{background:#2040682c;border-color:transparent}.tier-card-image-wrap{width:100%;position:relative;aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:8px;background:radial-gradient(ellipse,#e7f2ff0c,transparent 68%);margin-bottom:2px;overflow:hidden}.tier-card-image{display:block;width:100%;height:100%;object-fit:contain;padding:4px}.tier-image-fallback{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:35px;font-weight:900;color:#91abc166;background:linear-gradient(130deg,#233c5a,#10223b);border-radius:8px;letter-spacing:-1px}.tier-part-id{display:block;font-size:10px;letter-spacing:.8px;font-weight:800;color:#78c0f6;overflow-wrap:anywhere;line-height:1.4}.tier-part-name{display:block;font-size:14px;font-weight:700;line-height:1.4;margin:0;white-space:normal;overflow-wrap:anywhere;word-break:normal}.tier-part-meta{display:flex;gap:5px;align-items:center;flex-wrap:wrap;margin-top:auto;padding-top:3px;min-width:0}.tier-category-tag,.tier-type-tag{font-size:10px;font-weight:600;color:#bed5ed;line-height:1.35;padding:3px 6px;border-radius:5px;background:#213b58;border:1px solid #3e5c7b;white-space:normal;overflow-wrap:anywhere}.tier-type-tag{background:#1c2336;color:#b8c5db;border-color:#354158}.tier-card[data-category="bit"] .tier-category-tag{color:#ffd1dc;border-color:#85506d;background:#3c263b}.tier-card[data-category="ratchet"] .tier-category-tag{color:#d1d1ff;border-color:#5b5b89;background:#302d51}.tier-card[data-category="assist"] .tier-category-tag{color:#d2dfe9;border-color:#526379;background:#283647}.tier-drag-handle{position:absolute;right:4px;top:4px;z-index:2;display:flex;align-items:center;justify-content:center;min-height:44px;width:44px;padding:0;font-size:28px;font-weight:400;line-height:1;border:1px solid #5c87b18c;border-radius:8px;background:#101b2ee8;color:#c0dfff;touch-action:none;cursor:grab}.tier-card[draggable=true]{cursor:grab}.tier-card.is-dragging{opacity:.35}.tier-card.drop-before:before{content:"";position:absolute;left:-8px;top:3px;bottom:3px;width:3px;border-radius:3px;background:#ff7799;box-shadow:0 0 14px #ff71929c}.tier-row.is-drop-target{border-color:#7acaff;box-shadow:0 0 0 2px #5baaf62d,inset 0 0 35px #347ca416}.tier-row.is-drop-target .tier-grade{box-shadow:inset 3px 0 #95d9ff}.tier-drag-ghost{position:fixed;z-index:5000;pointer-events:none!important;width:142px;max-height:210px;padding:10px;background:#163353f2;border:1px solid #9bd8ff;border-radius:12px;box-shadow:0 10px 30px #0008;opacity:.94;transform:translate(14px,14px);font-size:12px}.tier-drag-ghost img{width:75px;height:75px;object-fit:contain;display:block;margin:auto}.tier-drag-ghost strong{display:block;margin-top:7px;overflow-wrap:anywhere;color:white;font-size:13px}.tier-drag-ghost span{display:block;font-size:10px;color:#b7ddfc}.tier-update-note{font-size:11px;line-height:1.5;color:#768fa9;text-align:right;margin:16px 0}.tier-footer{width:min(1460px,calc(100% - 64px));margin:auto;padding:24px 0 34px;border-top:1px solid #273e56;display:flex;gap:24px;align-items:center;color:#8ca2bc;font-size:11px}.tier-footer img{width:67px;height:42px;object-fit:contain}.tier-footer a{margin-left:auto;font-size:12px;font-weight:700}.tier-move-dialog{width:480px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 32px);overflow:auto;padding:25px;color:var(--tier-text);background:linear-gradient(140deg,#17283e,#101827);border:1px solid #6889b0;border-radius:17px;box-shadow:0 20px 90px #0009}.tier-move-dialog::backdrop{background:#030712cb;backdrop-filter:blur(4px)}.tier-move-dialog form{display:flex;flex-direction:column;gap:17px}.tier-move-dialog header{display:flex;align-items:center;justify-content:space-between;gap:15px}.tier-move-dialog h2{font-size:25px;line-height:1.2;margin:7px 0}.tier-dialog-close{width:44px;padding:0;font-size:26px;flex-shrink:0;background:#18324d;border-color:#466e94}.tier-dialog-part{display:flex;gap:17px;align-items:center;min-width:0;padding:15px;background:#0a15258c;border:1px solid #3c5775;border-radius:10px}.tier-dialog-part img{width:90px;height:90px;object-fit:contain;flex-shrink:0}.tier-dialog-part>div{min-width:0}.tier-dialog-part span{color:#80bced;letter-spacing:1px;font-size:11px}.tier-dialog-part h3{font-size:18px;line-height:1.35;margin:6px 0;overflow-wrap:anywhere}.tier-dialog-part p{font-size:12px;color:var(--tier-muted);margin:0}.tier-move-dialog label{display:flex;flex-direction:column;gap:8px;font-size:13px;color:#bfd4e9;font-weight:700}.tier-move-dialog select{width:100%;font-size:16px;min-height:49px}.tier-dialog-note{font-size:12px;color:#a3b9d1;line-height:1.65;margin:0}.tier-dialog-error{color:#ffb3c5;font-size:13px;margin:0;min-height:18px;overflow-wrap:anywhere}.tier-dialog-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.tier-dialog-actions button{min-height:48px;font-size:15px}.tier-primary{background:linear-gradient(120deg,#154473,#2575ac);border-color:#79bafa;color:white}.tier-primary:hover:enabled{background:#276c9d}.tier-page.is-pointer-dragging{user-select:none;-webkit-user-select:none;cursor:grabbing}.tier-page.is-pointer-dragging .tier-drag-handle{cursor:grabbing}
@keyframes tier-load-turn{to{transform:rotate(360deg)}}
@media(max-width:760px){.tier-header{width:calc(100% - 28px);min-height:78px;gap:12px}.tier-header-brand{gap:12px}.tier-header img{width:74px;height:47px}.tier-header nav{gap:11px}.tier-header nav>a{font-size:11px}.tier-header nav>a:last-child{padding:10px 11px}.tier-header [data-tier-language]{min-width:43px;padding:8px 9px;font-size:12px}.tier-main{width:calc(100% - 28px);padding:25px 0 20px}.tier-heading{align-items:flex-start;gap:14px;margin-bottom:22px;flex-wrap:wrap}.tier-heading h1{font-size:32px;margin:8px 0 10px}.tier-heading p{font-size:13px;line-height:1.65}.tier-heading>div:first-child{flex:1;min-width:190px}.tier-live-status,.tier-management-status{font-size:11px}.tier-management-status{gap:7px;margin-top:4px}.tier-role-tag{font-size:10px;padding:6px 8px}.tier-eyebrow{font-size:10px;letter-spacing:1.6px}.tier-management-toolbar{padding:13px 14px;gap:14px;align-items:stretch;flex-direction:column}.tier-management-toolbar p{font-size:12px}.tier-management-toolbar .tier-undo{align-self:flex-end;font-size:12px;min-height:44px}.tier-filter-panel{padding:15px 13px;border-radius:12px;margin-bottom:18px}.tier-filter-top{grid-template-columns:minmax(0,1fr);gap:12px}.tier-search-label{min-width:0}.tier-type-label{max-width:none}.tier-filter-top label{font-size:11px;gap:6px}.tier-search-box input,.tier-type-label select{min-height:46px}.tier-category-filters{gap:7px;margin-top:15px}.tier-category-filters>button{padding:9px 11px;font-size:12px;gap:7px}.tier-category-count{font-size:10px;padding:1px 4px}.tier-filter-summary{gap:10px;margin-top:12px}.tier-filter-summary p{font-size:11px}.tier-filter-summary>button{font-size:11px}.tier-board{gap:9px}.tier-row{grid-template-columns:54px minmax(0,1fr);min-height:97px;border-radius:10px}.tier-grade{border-radius:9px 0 0 9px;padding:12px 4px}.tier-grade h2{font-size:25px;letter-spacing:-.5px}.tier-grade>span{font-size:10px}.tier-items{grid-template-columns:repeat(auto-fill,minmax(98px,1fr));gap:8px;padding:10px;min-height:95px}.tier-card{border-radius:9px}.tier-card-inner{padding:9px;gap:6px;font-size:12px;border-radius:8px}.tier-part-id{font-size:9px;letter-spacing:.4px}.tier-part-name{font-size:12px;line-height:1.45}.tier-part-meta{gap:4px}.tier-category-tag,.tier-type-tag{font-size:9px;padding:2px 4px;line-height:1.4}.tier-drag-handle{width:44px;min-height:44px;top:2px;right:2px;font-size:25px;background:#112139d9}.tier-management-page .tier-card-image-wrap{padding-top:8px}.tier-empty-row{font-size:11px;padding:12px 8px;min-height:44px}.tier-notice{padding:13px 14px;gap:12px;flex-wrap:wrap}.tier-notice p{font-size:12px;flex:1;min-width:150px}.tier-notice button{font-size:12px}.tier-loading{padding:42px 16px}.tier-loading h2{font-size:21px}.tier-loading p{font-size:12px}.tier-footer{width:calc(100% - 28px);gap:12px;padding:20px 0 26px;font-size:10px}.tier-footer img{width:54px;height:34px}.tier-footer a{font-size:11px;text-align:right}.tier-move-dialog{padding:20px 16px;max-width:calc(100vw - 20px)}.tier-dialog-part{padding:12px;gap:12px}.tier-dialog-part img{width:73px;height:73px}.tier-dialog-part h3{font-size:16px}.tier-dialog-part p{font-size:11px}.tier-move-dialog h2{font-size:23px}.tier-dialog-note{font-size:11px}.tier-update-note{font-size:10px}}
@media(max-width:360px){.tier-header-brand{gap:8px}.tier-header nav{gap:8px}.tier-header nav>a:last-child{padding:10px 8px}.tier-header img{width:63px}.tier-items{padding:8px;gap:7px;grid-template-columns:repeat(auto-fill,minmax(92px,1fr))}.tier-part-name{font-size:11px}.tier-category-filters>button{padding:9px 9px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
.tier-detail-dialog{width:570px}.tier-detail-dialog>header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.tier-detail-dialog .tier-dialog-part{flex-direction:column;text-align:center;padding:20px}.tier-detail-dialog .tier-dialog-part img{width:min(100%,330px);height:270px;max-width:100%}.tier-detail-dialog .tier-dialog-part h3{font-size:22px}.tier-detail-dialog .tier-dialog-actions{grid-template-columns:1fr;margin-top:20px}.tier-detail-grade{display:inline-block;color:#b3dcff;font-size:13px;border:1px solid #517da1;background:#163653;padding:6px 12px;border-radius:7px;margin-top:14px}.tier-variant-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(75px,1fr));gap:9px;max-height:260px;overflow:auto;padding:3px}.tier-detail-dialog>.tier-variant-gallery{margin-top:17px}.tier-variant-thumb{display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;min-width:0;min-height:96px;padding:6px;border-radius:8px;background:#11223a;border:1px solid #385879}.tier-variant-thumb img{width:60px;height:60px;object-fit:contain}.tier-variant-thumb span{font-size:10px;line-height:1.3;overflow-wrap:anywhere;max-width:100%}.tier-variant-thumb[aria-pressed=true]{border-color:#8ad4ff;box-shadow:inset 0 0 16px #4eafff22;background:#1e4165}.tier-loading.is-empty .tier-loader{display:none}
@media(max-width:760px){.tier-detail-dialog .tier-dialog-part img{height:230px;width:min(100%,280px)}.tier-detail-dialog .tier-dialog-part h3{font-size:19px}.tier-variant-gallery{grid-template-columns:repeat(auto-fill,minmax(67px,1fr));gap:7px;max-height:235px}.tier-variant-thumb img{width:54px;height:54px}}
.tier-grade{display:block;padding:0}.tier-grade-inner{position:sticky;top:max(14px,env(safe-area-inset-top));display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;min-height:110px;padding:20px 6px}.tier-grade-inner>span{font-size:11px;color:hsl(var(--tier-hue) 40% 80% / .8);font-variant-numeric:tabular-nums}.tier-footer{flex-wrap:wrap}.tier-footer .tier-source-link{margin-left:0;font-size:10px;color:#89a4bd;text-decoration:underline;text-underline-offset:3px}@media(max-width:760px){.tier-grade-inner{min-height:95px;padding:12px 4px}.tier-grade-inner>span{font-size:10px}.tier-footer .tier-source-link{font-size:10px}}

/* The scene moves behind opaque reading surfaces. Every loop returns to the
   same transform and opacity; decorative elements never receive pointer input. */
.tier-page{position:relative;isolation:isolate}
.tier-tech-field{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;contain:strict;background:#080b14}
.tier-tech-field:before{content:"";position:absolute;inset:-8%;background:radial-gradient(ellipse at 15% 22%,#187bd03d,transparent 46%),radial-gradient(ellipse at 85% 68%,#ac294431,transparent 43%);opacity:.8;animation:tier-glow-drift 24s ease-in-out infinite}
.tier-tech-field:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 48%,#77b7ff06 49%,transparent 50%),linear-gradient(45deg,transparent 48%,#ff698206 49%,transparent 50%);background-size:120px 120px;opacity:.65}
.tier-tech-orbit{position:absolute;left:50%;top:50%;width:110vmax;height:110vmax;border:1px solid #5aa9fc17;border-radius:28%;box-shadow:inset 0 0 0 80px #338bd004,inset 0 0 0 160px #5aa9fc0a;transform:translate(-50%,-50%) rotate(0deg);animation:tier-orbit-turn 30s linear infinite}
.tier-tech-orbit:before,.tier-tech-orbit:after{content:"";position:absolute;inset:14%;border:1px solid currentColor;transform:rotate(45deg);opacity:.5}
.tier-tech-orbit:after{inset:27%;transform:rotate(0deg);border-radius:50%;opacity:.65}
.tier-tech-orbit-blue{color:#67baff18}
.tier-tech-orbit-red{width:78vmax;height:78vmax;border-color:#ff678116;color:#ff678116;border-radius:8%;animation-duration:26s;animation-direction:reverse;box-shadow:inset 0 0 0 60px #a32d4705}
.tier-tech-cross{position:absolute;inset:0;background:linear-gradient(62deg,transparent 49.8%,#3e95f31a 50%,transparent 50.2%),linear-gradient(-62deg,transparent 49.8%,#f6607d16 50%,transparent 50.2%);opacity:.4;transform:scale(1);animation:tier-cross-breathe 18s ease-in-out infinite}
@keyframes tier-glow-drift{0%,100%{transform:translate3d(-1%,0,0) scale(1);opacity:.8}50%{transform:translate3d(1%,1%,0) scale(1.04);opacity:1}}
@keyframes tier-orbit-turn{from{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(360deg)}}
@keyframes tier-cross-breathe{0%,100%{transform:scale(1);opacity:.4}50%{transform:scale(1.08);opacity:.7}}

.tier-filter-top label,.tier-category-filters>button{font-size:16px}
.tier-filter-summary p{font-size:14px}
.tier-filter-summary>button,.tier-management-toolbar p,.tier-undo{font-size:15px}
.tier-toolbar-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:10px}
.tier-add-part{min-height:46px;font-size:16px;border-color:#75befe;background:linear-gradient(120deg,#174a74,#225b8d);white-space:normal}
.tier-custom-actions{display:flex;gap:10px;flex-wrap:wrap;padding-top:12px;border-top:1px solid #395370}
.tier-custom-actions>button{flex:1;min-width:120px;min-height:46px;font-size:16px}
.tier-danger{color:#ffd5de;border-color:#b75d75;background:#432338}
.tier-danger:hover:enabled{border-color:#fa87a3;background:#613049}
.tier-author-dialog{width:660px;max-width:calc(100vw - 24px)}
.tier-author-form{gap:18px!important}
.tier-author-image-area{display:grid;grid-template-columns:180px minmax(0,1fr);align-items:center;gap:18px;padding:15px;border:1px solid #46617d;border-radius:12px;background:#0a15258c;min-width:0}
.tier-author-preview,.tier-author-image-placeholder{width:180px;height:180px;max-width:100%;border:1px solid #3f607f;border-radius:10px;background:radial-gradient(ellipse,#dcefff0d,#081321);object-fit:contain;padding:8px}
.tier-author-preview{position:relative;display:grid;place-items:center;overflow:hidden}
.tier-author-preview>img{display:block;width:100%;height:100%;min-width:0;min-height:0;object-fit:contain}
.tier-author-preview>.tier-author-image-placeholder{width:100%;height:100%;margin:0;border:0;border-radius:0;background:transparent}
.tier-author-preview:has(.tier-author-image-placeholder:not([hidden])){border-style:dashed}
.tier-author-image-placeholder{display:grid;place-items:center;border-style:dashed;color:#b3cbe1;text-align:center;font-size:15px;line-height:1.5}
.tier-author-image-area>.tier-dialog-note,.tier-author-image-area>.tier-field-error{grid-column:1/-1;margin:0}
.tier-author-intro{margin:0;color:#b5c8e0;font-size:14px;line-height:1.65}
.tier-author-image-actions{display:flex;flex-direction:column;align-items:stretch;gap:10px;min-width:0}
.tier-author-image-actions p{font-size:13px;line-height:1.6;color:#adbed2;margin:0;overflow-wrap:anywhere}
.tier-author-form label{font-size:16px;gap:8px}
.tier-author-fields{display:flex;flex-direction:column;gap:16px;min-width:0}
.tier-author-field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;min-width:0}
.tier-author-form input,.tier-author-form select,.tier-author-form textarea{width:100%;min-height:46px;font-size:16px}
.tier-author-form input[type=file]{padding:6px;font-size:13px;overflow:hidden}
.tier-author-form input[type=file]::file-selector-button{min-height:44px;margin-right:9px;padding:8px 12px;border:1px solid #527ca4;border-radius:7px;background:#193450;color:#e7f3ff;font:700 14px "Segoe UI",Arial,sans-serif;cursor:pointer}
.tier-field-error,.tier-author-feedback{font-size:14px;line-height:1.5;color:#ffbccd;overflow-wrap:anywhere;margin:0}
.tier-field-error:empty,.tier-author-feedback:empty{display:none}
.tier-author-feedback:not(.is-error){color:#b3dcff}
.tier-author-form input[aria-invalid=true],.tier-author-form select[aria-invalid=true]{border-color:#eb7d99;box-shadow:0 0 0 1px #ec809633}
.tier-author-form .tier-dialog-actions{position:sticky;bottom:-25px;padding:12px 0 0;background:#101b2bf5}

/* A full-width grade header leaves four usable, equal-width cards on phones. */
@media(max-width:760px){
 .tier-row{grid-template-columns:minmax(0,1fr);min-height:0}
 .tier-grade{position:sticky;top:max(0px,env(safe-area-inset-top));z-index:3;border-radius:9px 9px 0 0;border-right:0;border-bottom:1px solid #436887;background:linear-gradient(100deg,hsl(var(--tier-hue) 45% 23%),#101f33);box-shadow:inset 3px 0 hsl(var(--tier-hue) 85% 70% / .85)}
 .tier-row[data-tier-row="-"] .tier-grade{background:linear-gradient(100deg,#283545,#17202e)}
 .tier-grade-inner{position:static;display:flex;flex-direction:row;justify-content:space-between;gap:12px;min-height:46px;padding:9px 12px}
 .tier-grade h2{font-size:26px;letter-spacing:0}
 .tier-grade-inner>span{font-size:12px;color:#d5e2ef}
 .tier-items{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;padding:8px;min-height:70px}
 .tier-card-inner{padding:6px;gap:6px;min-height:auto}
 .tier-card-image-wrap{margin-bottom:1px;border-radius:6px}
 .tier-card-image{padding:1px}
 .tier-part-name{font-size:14px;line-height:1.4;white-space:normal;overflow-wrap:anywhere;word-break:normal;overflow:visible;text-overflow:clip}
 .tier-part-id{font-size:12px;line-height:1.35;letter-spacing:0;overflow-wrap:anywhere}
 .tier-category-tag,.tier-type-tag{font-size:10px;padding:2px 3px}
 .tier-part-meta{gap:3px}
 .tier-management-page .tier-card{padding-bottom:49px}
 .tier-management-page .tier-card-image-wrap{padding-top:0}
 .tier-management-page .tier-drag-handle{top:auto;bottom:3px;right:calc(50% - 22px);width:44px;min-height:44px;background:#183550;border-color:#557fa4}
 .tier-filter-top label,.tier-category-filters>button{font-size:16px}
 .tier-category-filters>button{padding:9px 11px;gap:8px;min-height:46px}
 .tier-category-count{font-size:11px}
 .tier-filter-summary{flex-wrap:wrap;gap:3px 10px}
 .tier-filter-summary p,.tier-filter-summary>button{font-size:14px}
 .tier-management-toolbar p{font-size:14px;line-height:1.5}
 .tier-management-toolbar .tier-undo{align-self:auto;font-size:16px;min-height:46px}
 .tier-toolbar-actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);width:100%;gap:9px;align-items:stretch}
 .tier-toolbar-actions>button{width:100%;font-size:16px;padding:10px 9px;white-space:normal;line-height:1.35}
 .tier-add-part{min-height:46px;font-size:16px}
 .tier-author-dialog{padding:18px 14px;max-width:calc(100vw - 16px);max-height:calc(100dvh - 20px)}
 .tier-author-image-area{grid-template-columns:minmax(0,1fr);padding:12px;gap:12px}
 .tier-author-preview,.tier-author-image-placeholder{width:min(100%,180px);height:160px;margin:0 auto}
 .tier-author-image-actions{gap:9px}
 .tier-author-field-grid{gap:12px}
 .tier-author-form .tier-dialog-actions{bottom:-18px;padding:12px 0 2px}
 .tier-author-form .tier-dialog-actions>button{font-size:16px;min-height:48px}
 .tier-custom-actions>button{font-size:16px}
}
@media(prefers-reduced-motion:reduce){.tier-tech-field:before,.tier-tech-field:after,.tier-tech-field *{animation:none!important;transition:none!important}.tier-tech-field:before{opacity:.7}.tier-tech-cross{opacity:.35}}
.tier-confirm-panel{padding:16px;border:1px solid #a76880;border-radius:11px;background:linear-gradient(135deg,#362039,#142339);margin:8px 0;min-width:0}
.tier-confirm-panel>p{font-size:15px;line-height:1.6;color:#ffdae4;margin:0 0 14px;overflow-wrap:anywhere}
.tier-confirm-panel .tier-dialog-actions,.tier-author-form .tier-confirm-panel .tier-dialog-actions{position:static;bottom:auto;padding:0;background:transparent;margin:0}
.tier-confirm-panel button{font-size:15px;min-height:48px}