@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&family=Noto+Serif+SC:wght@700;900&display=swap');
:root{--bg:#f4f6fa;--surface:#ffffff;--surface-2:#edf1f7;--ink:#15283d;--muted:#5b6d80;--line:rgba(26,57,89,.16);--accent:#075a9f;--accent-2:#f5c400;--on-accent:#fff;--card:#fff;--glass:rgba(255,255,255,.84);--radius:12px;--shadow:0 18px 48px rgba(20,47,78,.12);--font:"Noto Sans SC","Microsoft YaHei",sans-serif}
body[data-theme="antarctic"]{--bg:#e8f3fb;--surface:#f9fcff;--surface-2:#d9eaf6;--ink:#102c48;--muted:#526f88;--line:rgba(33,83,124,.16);--accent:#17699f;--accent-2:#8bc8e8;--on-accent:#fff;--card:#f7fbff;--radius:15px;--shadow:0 20px 54px rgba(15,61,96,.13)}
body[data-theme="aero"]{--bg:#dceff5;--surface:rgba(249,254,255,.58);--surface-2:rgba(209,235,242,.48);--ink:#153b4d;--muted:#496b78;--line:rgba(255,255,255,.66);--accent:#087f9f;--accent-2:#58a64b;--on-accent:#fff;--card:rgba(255,255,255,.42);--glass:rgba(255,255,255,.36);--radius:24px;--shadow:0 24px 64px rgba(21,85,108,.16),inset 0 1px 0 rgba(255,255,255,.92)}
body[data-theme="juno"]{--bg:#fff0f6;--surface:#fffafd;--surface-2:#ffd7e8;--ink:#4c2639;--muted:#91677b;--line:#eda9c7;--accent:#f14f96;--accent-2:#ffd32a;--card:#fff8fc;--radius:12px;--shadow:0 18px 45px rgba(219,62,132,.2)}
body[data-theme="scp"]{--bg:#e9e9e7;--surface:#f8f8f5;--surface-2:#d9d9d5;--ink:#202020;--muted:#626262;--line:#a8a8a4;--accent:#8b1a1a;--accent-2:#111;--card:#f4f4f1;--radius:0;--shadow:8px 10px 0 rgba(0,0,0,.18)}
body[data-mode="dark"]{--bg:#081421;--surface:#112438;--surface-2:#192e45;--ink:#f1f6fb;--muted:#b0bfd0;--line:rgba(185,211,235,.18);--accent:#70b9ee;--accent-2:#f0c933;--on-accent:#071522;--card:#12273b;--glass:rgba(13,32,51,.84);--shadow:0 22px 60px rgba(0,0,0,.38)}
body[data-theme="antarctic"][data-mode="dark"]{--bg:#061625;--surface:#0c263b;--surface-2:#14344d;--ink:#f2f9ff;--muted:#aac2d5;--line:rgba(155,202,232,.2);--accent:#73b9e2;--accent-2:#356f98;--on-accent:#071522;--card:#0e2940}
body[data-theme="aero"][data-mode="dark"]{--bg:#071b26;--surface:rgba(16,43,57,.64);--surface-2:rgba(31,68,82,.52);--ink:#f2fbff;--muted:#b2ccd5;--line:rgba(211,242,255,.2);--accent:#67c9df;--accent-2:#79ba68;--on-accent:#071820;--card:rgba(17,48,63,.46);--glass:rgba(12,42,56,.46)}
body[data-theme="juno"][data-mode="dark"]{--bg:#260f1d;--surface:#351426;--surface-2:#572039;--ink:#fff3f9;--muted:#dca8be;--line:#74344f;--accent:#ff72ae;--accent-2:#ebc83b;--card:#39162a}
body[data-theme="scp"][data-mode="dark"]{--bg:#111;--surface:#1e1e1d;--surface-2:#2b2b29;--ink:#f0f0ec;--muted:#aaa;--line:#555;--accent:#d04444;--accent-2:#eee;--card:#20201f;--shadow:8px 10px 0 #000}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);transition:background .35s,color .35s}button,input,select{font:inherit}.masthead{min-height:78px;position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px clamp(18px,4vw,68px);background:#07589c;color:#fff;border-bottom:8px solid #ffd43b;box-shadow:0 5px 16px rgba(0,36,76,.25)}.brand{color:inherit;display:flex;gap:11px;align-items:center;text-decoration:none;flex:0 0 auto}.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:#ffd43b;color:#07589c;font:900 24px Georgia;border-radius:2px}.brand b{display:block;letter-spacing:.11em;font-size:14px}.brand small{display:block;color:rgba(255,255,255,.76);font-size:9px;letter-spacing:.16em;margin-top:3px}.toolbar{position:relative;z-index:105;display:flex;gap:8px;align-items:center;justify-content:flex-end}.toolbar>*{position:relative;z-index:106;pointer-events:auto}.search{display:flex;gap:8px;align-items:center;background:#fff;color:#24384c;border:1px solid rgba(255,255,255,.55);height:40px;padding:0 12px;border-radius:3px}.search input{border:0;outline:0;background:transparent;color:inherit;width:150px}.select-wrap{font-size:11px;color:#fff;display:flex;align-items:center;gap:5px;white-space:nowrap}.select-wrap select,.icon-btn{height:40px;border:1px solid rgba(255,255,255,.5);background:#fff;color:#18324a;border-radius:3px;padding:0 9px;cursor:pointer}.icon-btn{min-width:40px;font-size:17px}.text-btn{font-size:11px;width:auto}.text-btn.active{background:#ffd43b;color:#102b47;border-color:#ffd43b;font-weight:800}.hero,.table-section,.off-grid{max-width:1500px;margin:auto;padding-left:clamp(18px,4vw,68px);padding-right:clamp(18px,4vw,68px)}.hero{max-width:none;padding-top:64px;padding-bottom:34px;background:linear-gradient(115deg,#ffd43b 0 33%,transparent 33%)}.hero>*,.hero-grid{max-width:1364px;margin-left:auto;margin-right:auto}.eyebrow{font-size:11px;color:var(--accent);font-weight:900;letter-spacing:.17em}.hero-grid{display:grid;grid-template-columns:1fr auto;gap:48px;align-items:end;border-bottom:1px solid var(--line);padding:20px 0 34px}.hero h1{font:700 clamp(44px,7vw,90px)/.95 Georgia,"Noto Serif SC",serif;margin:0 0 22px;letter-spacing:-.05em}.hero p{font-size:15px;line-height:1.85;max-width:680px;color:var(--muted);margin:0}.hero-stats{display:flex;gap:26px}.hero-stats div{min-width:94px;border-left:4px solid var(--accent);padding-left:12px}.hero-stats strong{display:block;font:700 28px Georgia}.hero-stats span{color:var(--muted);font-size:10px}.legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;color:var(--muted);font-size:11px}.dot{display:inline-block;width:10px;height:10px;margin-right:7px;border:1px solid var(--line)}.dot.active{background:var(--accent)}.dot.vacant{background:var(--surface-2);opacity:.45}.dot.special{background:var(--accent-2)}.table-section,.off-grid{padding-top:46px;padding-bottom:52px}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px}.section-head>div{display:flex;align-items:center;gap:13px}.section-head h2{font:700 27px Georgia,"Noto Serif SC",serif;margin:0}.section-head p{margin:0;color:var(--muted);font-size:11px}.index{font:800 11px monospace;color:var(--accent);border:1px solid var(--accent);padding:5px}.special-strip{display:grid;grid-template-columns:220px 1fr;align-items:stretch;border:1px solid var(--line);background:var(--surface-2);margin:0 4px 18px;padding:10px}.special-strip-title{padding:10px 14px;border-right:1px solid var(--line)}.special-strip-title b{display:block;font-size:12px}.special-strip-title span{display:block;color:var(--muted);font-size:9px;line-height:1.5;margin-top:5px}.special-strip>div:last-child{display:flex;gap:8px;padding-left:12px}.special-card{position:relative;width:130px;min-height:70px;text-align:left;padding:9px 12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}.special-card::before,.element-card.filled::before,.off-card::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--character)}.special-card strong{font:800 24px Georgia;display:block}.special-card>span:not(.element-number){font-size:10px}.special-card small{display:block;color:var(--muted);font-size:8px;margin-top:4px}.table-scroll{overflow:auto;padding:10px 4px 36px}.periodic-table{min-width:1220px;display:grid;grid-template-columns:repeat(18,minmax(56px,1fr));grid-template-rows:repeat(9,72px);gap:6px}.element-card,.off-card,.satellite{position:relative;border:1px solid var(--line);background:var(--card);color:var(--ink);text-align:left;transition:transform .18s,border-color .18s,box-shadow .18s,opacity .18s}.element-card{padding:7px;cursor:pointer;overflow:visible}.element-card:hover,.element-card:focus-visible,.off-card:hover,.special-card:hover{z-index:30;transform:translateY(-3px);border-color:var(--accent);box-shadow:0 8px 23px color-mix(in srgb,var(--accent) 22%,transparent);outline:0}.element-card.vacant{opacity:.27;background:var(--surface-2);cursor:default}.element-card.vacant:hover{transform:none;box-shadow:none;border-color:var(--line)}.element-number{font:700 9px monospace;color:var(--muted);position:absolute;top:6px;right:7px}.element-symbol{display:block;font:700 25px/1 Georgia;margin-top:11px}.element-name{display:block;font-size:9px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:7px}.archive-mark{position:absolute;right:6px;bottom:5px;color:var(--character);font-size:8px}.has-satellite::after{content:"＋";position:absolute;left:6px;bottom:3px;color:var(--accent);font-weight:bold}.satellites{visibility:hidden;opacity:0;pointer-events:none;position:absolute;left:calc(100% + 10px);top:-1px;display:flex;gap:6px;z-index:90;padding:0 0 10px;transition:opacity .15s}.satellites::before{content:"";position:absolute;right:100%;top:0;width:12px;height:100%}.has-satellite:hover .satellites,.has-satellite:focus-within .satellites{visibility:visible;opacity:1;pointer-events:auto}.satellite{width:92px;height:74px;padding:8px;background:var(--surface);border-color:var(--accent);border-radius:var(--radius);cursor:pointer;box-shadow:var(--shadow)}.satellite b{font:700 19px Georgia}.satellite small,.satellite em{display:block;font-size:8px;margin-top:4px}.satellite em{font-style:normal;color:var(--muted)}.series-label{display:flex;gap:18px;color:var(--muted);font:700 9px monospace;letter-spacing:.12em}.off-grid{background:linear-gradient(180deg,transparent,var(--surface-2),transparent)}.off-grid-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:9px}.off-card{min-height:112px;padding:16px;border-radius:var(--radius);cursor:pointer}.off-code{font:700 27px Georgia;color:var(--accent)}.off-card h3{font-size:13px;margin:11px 0 4px}.off-card p{font-size:9px;color:var(--muted);margin:0;line-height:1.55}.off-card.aero{background:linear-gradient(135deg,var(--surface),color-mix(in srgb,#75c94b 15%,var(--surface)))}.off-card.juno{background:linear-gradient(135deg,var(--surface),#ffd7e8)}.off-card.scp{border-top:4px solid #8b1a1a}.profile-dialog{width:min(1100px,95vw);max-height:92vh;padding:0;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:var(--radius);box-shadow:var(--shadow);overflow:auto}.profile-dialog::backdrop{background:rgba(2,12,22,.7);backdrop-filter:blur(7px)}.dialog-close{position:sticky;float:right;top:12px;right:12px;z-index:10;width:38px;height:38px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:50%;font-size:24px;cursor:pointer}.profile-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:0;min-height:690px;--character:var(--profile-accent)}.profile-main{padding:48px 44px}.profile-kicker{font:800 10px monospace;color:var(--profile-accent);letter-spacing:.17em}.name-stack{padding-bottom:24px;border-bottom:1px solid var(--line);margin:13px 0 23px}.name-stack h2{font:800 clamp(33px,5vw,55px)/1.08 "Noto Sans SC",sans-serif;margin:0;color:var(--ink)}.native-name{font-size:17px;font-weight:600;margin-top:9px}.english-name{font:italic 14px Georgia,serif;color:var(--muted);margin-top:5px}.element-brief{border-left:5px solid var(--profile-accent);padding:11px 15px;background:var(--surface-2);font-size:12px;line-height:1.7;margin-bottom:28px}.bio h3,.relations h3{font-size:12px;letter-spacing:.1em;color:var(--profile-accent);border-bottom:2px solid var(--profile-accent);padding-bottom:7px;margin:28px 0 12px}.bio p{font:15px/1.95 Georgia,"Noto Serif SC",serif;margin:0}.relations ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.relations li{display:flex;align-items:center;gap:9px;border-bottom:1px dotted var(--line);padding-bottom:8px;font-size:12px}.relations li span{color:var(--muted)}.person-link{border:1px solid var(--profile-accent);background:color-mix(in srgb,var(--profile-accent) 10%,var(--surface));color:var(--ink);padding:4px 8px;border-radius:3px;cursor:pointer;font-weight:700}.infobox{border-left:1px solid var(--line);background:var(--surface-2);padding:28px 18px}.infobox-title{background:var(--profile-accent);color:#fff;padding:12px;display:flex;align-items:center;justify-content:space-between;text-shadow:0 1px 2px rgba(0,0,0,.3)}.infobox-title b{font:800 25px Georgia}.infobox-title span{font-size:12px;font-weight:700}.media-panel{display:grid;gap:8px;margin:10px 0}.media-panel.with-image{grid-template-columns:1fr 1fr}.character-image{margin:0;min-height:280px;background:var(--surface);border:1px solid var(--line)}.character-image img{width:100%;height:100%;object-fit:cover}.atom-panel{background:var(--surface);border:1px solid var(--line);min-height:330px;display:grid;place-items:center;padding:8px;overflow:hidden}.true-atom{width:304px;height:304px;position:relative;display:grid;place-items:center}.nucleus{position:absolute;z-index:4;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:var(--profile-accent);color:#fff;font:700 16px Georgia;box-shadow:0 0 24px color-mix(in srgb,var(--profile-accent) 45%,transparent)}.shell{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid color-mix(in srgb,var(--ink) 35%,transparent);border-radius:50%}.electron{position:absolute;z-index:5;left:50%;top:50%;width:0;height:0;transform:rotate(var(--angle)) translateX(var(--radius))}.electron b{display:block;width:6px;height:6px;margin:-3px;border-radius:50%;background:var(--profile-accent);box-shadow:0 0 4px var(--profile-accent);transform:rotate(var(--counter))}.true-atom.neutron .nucleus{background:#697887}.true-atom.unknown>b{font-size:34px;color:var(--muted)}.shell-counts{text-align:center;font:700 10px monospace;color:var(--muted);padding:4px}.shell-counts span{font-weight:400}.placeholder{min-height:280px;display:grid;place-items:center;border:1px dashed var(--line);background:var(--surface)}.placeholder span{font:700 55px Georgia;color:var(--muted);opacity:.4}.infobox table{border-collapse:collapse;width:100%;background:var(--surface);font-size:11px}.infobox th,.infobox td{border:1px solid var(--line);padding:8px;vertical-align:top;line-height:1.5}.infobox th{width:84px;background:color-mix(in srgb,var(--profile-accent) 12%,var(--surface));text-align:left}.color-chip{display:inline-block;width:24px;height:14px;border:1px solid var(--line);vertical-align:middle;margin-right:7px}.color-row code{font-size:10px}.color-row input{width:28px;height:20px;padding:0;border:0;float:right}.debug-bar{position:fixed;z-index:200;left:50%;bottom:18px;transform:translateX(-50%);display:flex;align-items:center;gap:12px;background:#171717;color:#fff;padding:10px 14px;border:2px solid #ffd43b;box-shadow:0 8px 35px rgba(0,0,0,.35);font-size:11px}.debug-bar[hidden]{display:none}.debug-bar button{background:#ffd43b;border:0;padding:6px 10px;cursor:pointer}.debug-bar button:last-child{background:#ddd}.profile-layout [contenteditable="true"]{outline:1px dashed #f14f96;outline-offset:3px;background:rgba(255,220,235,.2)}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,30px);opacity:0;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:99px;font-size:12px;transition:.25s;z-index:220}.toast.show{opacity:1;transform:translate(-50%,0)}.search-hidden{opacity:.06!important;pointer-events:none}body:not([data-filter="off"]) .element-card.filled,body:not([data-filter="off"]) .off-card,body:not([data-filter="off"]) .special-card{border-top:6px solid var(--filter-color);background:color-mix(in srgb,var(--filter-color) 14%,var(--card))}.character-colors-off .element-card.filled::before,.character-colors-off .off-card::before,.character-colors-off .special-card::before{display:none}.character-colors-off .archive-mark{color:var(--accent)}
/* Aero: layered liquid glass, specular highlights and soft depth. */
body[data-theme="aero"]::before,body[data-theme="aero"]::after{content:"";position:fixed;pointer-events:none;z-index:-1;border-radius:50%;filter:blur(2px)}body[data-theme="aero"]::before{width:520px;height:520px;right:-120px;top:80px;background:radial-gradient(circle at 35% 30%,rgba(255,255,255,.85),rgba(55,191,212,.36) 35%,rgba(36,172,155,.1) 67%,transparent 69%)}body[data-theme="aero"]::after{width:420px;height:420px;left:-90px;bottom:-80px;background:radial-gradient(circle at 35% 30%,rgba(255,255,255,.7),rgba(126,209,79,.3) 42%,transparent 70%)}body[data-theme="aero"] .masthead{background:linear-gradient(180deg,rgba(249,255,255,.68),rgba(197,237,235,.42));color:var(--ink);border:1px solid rgba(255,255,255,.72);border-bottom-color:rgba(68,170,168,.35);backdrop-filter:blur(28px) saturate(150%);box-shadow:0 12px 35px rgba(22,126,129,.16),inset 0 1px 0 #fff}body[data-theme="aero"] .brand small{color:var(--muted)}body[data-theme="aero"] .brand-mark{border-radius:14px;background:linear-gradient(145deg,#fff,#50c7d6 55%,#76c951);box-shadow:inset 2px 2px 4px #fff,0 5px 12px rgba(0,126,142,.25)}body[data-theme="aero"] .hero{background:linear-gradient(135deg,rgba(255,255,255,.64),rgba(136,220,226,.18));backdrop-filter:blur(18px)}body[data-theme="aero"] .element-card,body[data-theme="aero"] .off-card,body[data-theme="aero"] .special-strip,body[data-theme="aero"] .profile-dialog{background:linear-gradient(145deg,rgba(255,255,255,.7),rgba(221,248,246,.36));backdrop-filter:blur(24px) saturate(145%);box-shadow:0 10px 28px rgba(18,113,117,.13),inset 1px 1px 0 rgba(255,255,255,.9),inset -1px -1px 0 rgba(47,151,150,.14)}body[data-theme="aero"] .element-card::after{border-radius:inherit}
/* Juno's floating UI surface. */
.juno-floaters{display:none;position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;font-family:"Noto Sans SC",sans-serif}.juno-floaters span{position:absolute;left:var(--x);top:var(--y);transform:rotate(var(--r));color:rgba(235,67,139,.18);font-size:clamp(12px,1.8vw,26px);font-weight:700;white-space:nowrap;animation:junoFloat var(--d) ease-in-out infinite alternate}body[data-theme="juno"] .juno-floaters{display:block}body[data-theme="juno"] .masthead{background:#f14f96;color:#fff;border-bottom-color:#ffd32a}body[data-theme="juno"] .brand-mark{background:#fff;color:#f14f96;border-radius:10px}body[data-theme="juno"] .hero{background:linear-gradient(120deg,#ffd7e8 0 44%,transparent 44%)}@keyframes junoFloat{to{transform:translateY(-28px) rotate(calc(var(--r) + 5deg))}}
/* SCP/Sigma-inspired document surface. */
body[data-theme="scp"]{background-image:repeating-linear-gradient(0deg,transparent 0 3px,rgba(0,0,0,.018) 3px 4px)}body[data-theme="scp"] .masthead{background:#171717;color:#eee;border-bottom:8px solid #8b1a1a;box-shadow:none}body[data-theme="scp"] .brand-mark{background:#8b1a1a;color:#fff;border-radius:50%}body[data-theme="scp"] .hero{background:linear-gradient(110deg,#d1d1cc 0 34%,transparent 34%)}body[data-theme="scp"] h1,body[data-theme="scp"] h2{font-family:Verdana,"Noto Sans SC",sans-serif;text-transform:uppercase;letter-spacing:-.03em}body[data-theme="scp"] .element-card,body[data-theme="scp"] .off-card{border-width:1px;border-bottom-width:3px}
body[data-theme="antarctic"] .masthead{background:#17394f;border-bottom-color:#75bfd4;color:#fff}
@media(max-width:1120px){.masthead{align-items:flex-start}.toolbar{flex-wrap:wrap}.search{order:2}.profile-layout{grid-template-columns:minmax(0,1fr) 330px}.true-atom{transform:scale(.9)}}
@media(max-width:820px){.masthead{position:relative;flex-direction:column}.toolbar{width:100%;justify-content:flex-start}.search{flex:1}.search input{width:100%}.select-wrap{font-size:0}.hero{padding-top:38px}.hero-grid{grid-template-columns:1fr}.hero-stats{justify-content:space-between}.special-strip{grid-template-columns:1fr}.special-strip-title{border-right:0;border-bottom:1px solid var(--line)}.special-strip>div:last-child{padding:10px 0 0}.profile-layout{grid-template-columns:1fr}.infobox{order:-1;border-left:0;border-bottom:1px solid var(--line)}.profile-main{padding:32px 26px}.media-panel.with-image{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.brand small{display:none}.brand b{font-size:11px}.toolbar{gap:5px}.select-wrap select,.icon-btn{height:36px}.hero-stats{gap:7px}.hero-stats div{min-width:0}.hero-stats strong{font-size:22px}.section-head p{display:none}.special-card{width:calc(50% - 4px)}.profile-dialog{width:100vw;max-height:100vh}.media-panel.with-image{grid-template-columns:1fr}.true-atom{transform:scale(.86)}.debug-bar span{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.has-satellite:hover,.has-satellite:focus-within,.has-satellite.satellite-open{z-index:100}.has-satellite.satellite-open .satellites{visibility:visible;opacity:1;pointer-events:auto}.satellite{pointer-events:auto;z-index:101}

/* 2.0 visual polish: softer depth, accessible contrast and a unified control system. */
body{min-height:100vh;background-color:var(--bg);background-image:radial-gradient(circle at 8% 2%,color-mix(in srgb,var(--accent) 8%,transparent),transparent 27%),radial-gradient(circle at 92% 22%,color-mix(in srgb,var(--accent-2) 9%,transparent),transparent 30%)}
.masthead{top:10px;margin:10px auto 0;width:min(1520px,calc(100% - 20px));min-height:68px;padding:10px clamp(14px,2.6vw,34px);border:0;border-radius:18px;background:#075a9f;color:#fff;box-shadow:0 14px 36px rgba(7,51,91,.2);overflow:visible}.masthead::after{content:"";position:absolute;left:22px;right:22px;bottom:-4px;height:4px;border-radius:99px;background:var(--accent-2)}.brand{gap:12px;min-height:44px}.brand-mark{width:42px;height:42px;border-radius:12px;background:#f5c400;color:#123654;font:800 22px/1 Georgia;box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 6px 16px rgba(0,0,0,.14)}.brand b{font-size:13px;line-height:1.2;letter-spacing:.13em}.brand small{font-size:9px;line-height:1.3;letter-spacing:.13em;margin-top:4px;color:rgba(255,255,255,.8)}
.toolbar{gap:7px;flex-wrap:wrap}.search,.select-wrap select,.icon-btn{height:42px;border:1px solid rgba(255,255,255,.3);border-radius:12px;background:rgba(255,255,255,.96);color:#18324a;box-shadow:0 4px 14px rgba(5,39,68,.1);transition:transform .16s,box-shadow .16s,background .16s}.search{padding:0 13px}.search input{font-size:12px;width:148px}.select-wrap{font-size:10px;font-weight:700;gap:6px}.select-wrap select{padding:0 30px 0 11px;font-size:11px}.icon-btn{min-width:42px;padding:0 11px;font-size:15px}.text-btn{font-size:11px;font-weight:700}.toolbar button:hover,.toolbar select:hover,.search:focus-within{transform:translateY(-1px);box-shadow:0 7px 18px rgba(5,39,68,.16)}.text-btn.active{background:var(--accent-2);color:#122a3f;border-color:transparent}
.hero{margin-top:-78px;padding-top:150px;padding-bottom:38px;background:linear-gradient(118deg,#f5c400 0 27%,color-mix(in srgb,#f5c400 22%,transparent) 27% 40%,transparent 40%)}.hero-grid{border:0;padding-bottom:26px}.hero h1{color:var(--ink);text-shadow:none;letter-spacing:-.035em}.hero p,.hero-stats span,.legend{color:var(--muted)}.hero-stats div{border-radius:3px;border-left-width:3px}.legend{padding:12px 15px;border-radius:14px;background:color-mix(in srgb,var(--surface) 78%,transparent);box-shadow:inset 0 0 0 1px var(--line);backdrop-filter:blur(14px)}
.table-section{padding-top:40px}.periodic-table{grid-template-rows:repeat(10,72px);gap:7px;padding:4px}.element-card,.special-card,.off-card,.satellite{border-color:transparent;border-radius:var(--radius);box-shadow:0 5px 16px rgba(20,48,77,.08),inset 0 0 0 1px var(--line)}.element-card,.special-card{background:color-mix(in srgb,var(--card) 94%,transparent)}.element-card:hover,.element-card:focus-visible,.off-card:hover,.special-card:hover{border-color:transparent;box-shadow:0 13px 30px color-mix(in srgb,var(--accent) 17%,transparent),inset 0 0 0 1px color-mix(in srgb,var(--accent) 52%,transparent)}.element-card.vacant{opacity:.34;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--line) 65%,transparent)}.element-card.debug-vacant{opacity:.72;cursor:pointer;background:repeating-linear-gradient(135deg,var(--surface-2) 0 8px,var(--surface) 8px 16px)}.grid-special{width:auto;min-height:0;padding:7px;align-self:stretch;justify-self:stretch}.grid-special strong{font-size:25px;margin-top:10px}.grid-special small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.grid-special.nu{box-shadow:0 8px 24px rgba(39,78,109,.15),inset 0 0 0 1px var(--line)}.grid-special.mz{box-shadow:0 8px 24px rgba(93,69,132,.15),inset 0 0 0 1px var(--line)}
.off-grid{background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--surface-2) 52%,transparent),transparent)}.off-grid-list{gap:12px}.off-card{padding:18px;min-height:116px}.section-head .index{border:0;border-radius:8px;background:color-mix(in srgb,var(--accent) 11%,var(--surface));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 35%,transparent)}
.profile-dialog{border:0;border-radius:24px;box-shadow:0 32px 90px rgba(2,15,28,.36);overflow:auto}.profile-layout{--profile-on-accent:#fff}.profile-main{padding:50px 46px}.infobox{border:0;background:color-mix(in srgb,var(--surface-2) 76%,var(--surface));padding:26px 20px}.infobox-title{border-radius:15px 15px 5px 5px;color:var(--profile-on-accent);text-shadow:none;box-shadow:0 8px 22px color-mix(in srgb,var(--profile-accent) 20%,transparent)}.infobox-title b,.infobox-title span,.nucleus{color:var(--profile-on-accent)}.media-panel>*{border:0;border-radius:14px;box-shadow:inset 0 0 0 1px var(--line),0 8px 22px rgba(16,45,71,.08)}.atom-panel{background:color-mix(in srgb,var(--surface) 92%,transparent)}.infobox table{border-collapse:separate;border-spacing:0 5px;background:transparent}.infobox th,.infobox td{border:0;padding:8px 9px;background:var(--surface);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--line) 72%,transparent)}.infobox th{border-radius:8px 0 0 8px}.infobox td{border-radius:0 8px 8px 0}.element-brief{border:0;border-radius:12px;background:color-mix(in srgb,var(--profile-accent) 9%,var(--surface-2));box-shadow:inset 4px 0 0 var(--profile-accent)}.person-link{border:0;border-radius:9px;color:var(--ink);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--profile-accent) 48%,transparent)}.bio h3,.relations h3{color:var(--ink);border-bottom-color:color-mix(in srgb,var(--profile-accent) 52%,var(--line))}.dialog-close{border:0;box-shadow:0 7px 20px rgba(0,0,0,.15),inset 0 0 0 1px var(--line)}
.debug-bar{border:0;border-radius:16px;background:#152536;padding:11px 14px;box-shadow:0 18px 50px rgba(0,0,0,.34)}.debug-bar button{border:0;border-radius:9px;background:#e6eef5;color:#173047;padding:7px 10px}.debug-bar #export-edits{background:#f0c933}.debug-bar #delete-entry{background:#b83e4a;color:#fff}
body[data-mode="dark"] .masthead{background:#0d2941;color:#f4f8fc;box-shadow:0 15px 42px rgba(0,0,0,.38)}body[data-mode="dark"] .hero{background:linear-gradient(118deg,color-mix(in srgb,var(--accent-2) 18%,var(--bg)) 0 28%,transparent 28%)}body[data-mode="dark"] .search,body[data-mode="dark"] .select-wrap select,body[data-mode="dark"] .icon-btn{background:#172e44;color:#f0f5fa;border-color:rgba(205,225,242,.18)}body[data-mode="dark"] .text-btn.active{background:var(--accent-2);color:#071522}.profile-dialog::backdrop{background:rgba(2,10,18,.64)}
body[data-theme="antarctic"]{background-image:radial-gradient(circle at 15% 5%,rgba(137,198,232,.28),transparent 28%),radial-gradient(circle at 88% 24%,rgba(45,110,158,.11),transparent 31%)}body[data-theme="antarctic"] .masthead{background:linear-gradient(135deg,#0d3658,#175f91);border:0;color:#fff}body[data-theme="antarctic"] .masthead::after{background:#83c6e8}body[data-theme="antarctic"] .brand-mark{background:#e9f7ff;color:#164c72}body[data-theme="antarctic"] .hero{background:linear-gradient(118deg,#cfe8f7 0 30%,rgba(199,228,245,.34) 30% 45%,transparent 45%)}body[data-theme="antarctic"] .text-btn.active{background:#d9effb;color:#123a58}body[data-theme="antarctic"][data-mode="dark"] .masthead{background:linear-gradient(135deg,#071f35,#103f64)}body[data-theme="antarctic"][data-mode="dark"] .masthead::after{background:#5aa6d2}body[data-theme="antarctic"][data-mode="dark"] .hero{background:linear-gradient(118deg,#102f49 0 31%,rgba(18,53,80,.34) 31% 45%,transparent 45%)}
body[data-theme="aero"]{background-image:radial-gradient(circle at 12% 12%,rgba(255,255,255,.88),transparent 20%),radial-gradient(circle at 82% 18%,rgba(74,185,219,.28),transparent 26%),radial-gradient(circle at 62% 88%,rgba(106,185,92,.2),transparent 30%),linear-gradient(145deg,#dff3f8,#cceaf3 48%,#dcefdc)}body[data-theme="aero"] .masthead,body[data-theme="aero"] .element-card,body[data-theme="aero"] .off-card,body[data-theme="aero"] .special-card,body[data-theme="aero"] .profile-dialog,body[data-theme="aero"] .legend{background:linear-gradient(145deg,rgba(255,255,255,.56),rgba(225,244,250,.25));border:1px solid rgba(255,255,255,.7);backdrop-filter:blur(34px) saturate(165%);-webkit-backdrop-filter:blur(34px) saturate(165%);box-shadow:0 18px 46px rgba(20,83,104,.15),inset 1px 1px 0 rgba(255,255,255,.94),inset -1px -1px 0 rgba(91,154,174,.13)}body[data-theme="aero"] .masthead{color:var(--ink)}body[data-theme="aero"] .masthead::before{content:"";position:absolute;inset:1px 10% auto;height:45%;border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.72),transparent);pointer-events:none}body[data-theme="aero"] .masthead::after{background:linear-gradient(90deg,transparent,rgba(255,255,255,.88),transparent);bottom:1px;height:1px}body[data-theme="aero"] .brand small{color:var(--muted)}body[data-theme="aero"] .hero{background:linear-gradient(145deg,rgba(255,255,255,.4),rgba(196,231,242,.14));backdrop-filter:blur(20px)}body[data-theme="aero"] .search,body[data-theme="aero"] .select-wrap select,body[data-theme="aero"] .icon-btn{border-radius:14px;background:linear-gradient(145deg,rgba(255,255,255,.7),rgba(224,244,248,.42));border-color:rgba(255,255,255,.78);box-shadow:0 7px 20px rgba(25,91,109,.11),inset 0 1px 0 #fff}body[data-theme="aero"] .element-card::after,body[data-theme="aero"] .off-card::after,body[data-theme="aero"] .special-card::after{content:"";position:absolute;inset:1px 10% auto;height:32%;border-radius:inherit;background:linear-gradient(180deg,rgba(255,255,255,.55),transparent);pointer-events:none}body[data-theme="aero"][data-mode="dark"]{background-image:radial-gradient(circle at 15% 10%,rgba(85,176,205,.16),transparent 25%),radial-gradient(circle at 84% 28%,rgba(83,151,179,.18),transparent 28%),linear-gradient(145deg,#061722,#0b2936 55%,#112d2b)}body[data-theme="aero"][data-mode="dark"] .masthead,body[data-theme="aero"][data-mode="dark"] .element-card,body[data-theme="aero"][data-mode="dark"] .off-card,body[data-theme="aero"][data-mode="dark"] .special-card{background:linear-gradient(145deg,rgba(26,61,76,.58),rgba(12,37,50,.34));border-color:rgba(177,224,238,.16);box-shadow:0 18px 48px rgba(0,0,0,.26),inset 1px 1px 0 rgba(217,246,255,.16)}
body[data-theme="juno"] .masthead{background:#e94b8f}body[data-theme="juno"] .masthead::after{background:#ffd32a}body[data-theme="scp"] .masthead{border:0;border-radius:8px}body[data-theme="scp"] .masthead::after{background:#8b1a1a}
@media(max-width:820px){.masthead{top:0;margin:0;width:100%;border-radius:0}.hero{margin-top:0;padding-top:42px}.periodic-table{padding-top:4px}.debug-bar{max-width:calc(100% - 18px);flex-wrap:wrap;justify-content:center}}

/* 3.0: borderless archive grid and compact typographic masthead. */
.brand{gap:0;white-space:nowrap}.brand-cn{font-family:"Noto Serif SC","Songti SC","SimSun",serif;font-size:24px;font-weight:900;letter-spacing:.08em}.brand-divider{margin:0 8px;font:300 22px/1 "Noto Sans SC",sans-serif;opacity:.48}.brand-en{font-family:Futura,"Futura PT","Century Gothic","Avenir Next",sans-serif;font-size:13px;font-weight:700;letter-spacing:.075em}.brand-mark{display:none!important}
.hero-grid{align-items:center;padding-top:26px}.hero h1{margin-bottom:0}.theme-palette{max-width:1364px;margin:10px auto 0;display:flex;flex-wrap:wrap;gap:8px 18px;padding:0 4px;color:var(--muted);font-size:10px}.theme-palette span{display:inline-flex;align-items:center;gap:7px}.theme-palette i{width:19px;height:7px;border-radius:99px;background:var(--swatch);box-shadow:0 2px 8px color-mix(in srgb,var(--swatch) 28%,transparent)}
.special-card::before,.element-card.filled::before,.off-card::before{display:none!important}.archive-mark{right:7px;bottom:6px;width:7px;height:7px;border-radius:50%;background:var(--character);font-size:0;box-shadow:0 0 0 3px color-mix(in srgb,var(--character) 13%,transparent)}.character-colors-off .archive-mark{background:var(--accent);box-shadow:none}
.element-card,.special-card,.off-card,.satellite{border:0!important;box-shadow:0 8px 24px rgba(24,54,82,.075)!important}.element-card:hover,.element-card:focus-visible,.off-card:hover,.special-card:hover{box-shadow:0 16px 38px color-mix(in srgb,var(--accent) 15%,transparent)!important}.element-card.vacant{box-shadow:none!important;background:color-mix(in srgb,var(--surface-2) 72%,transparent)}.grid-special.nu,.grid-special.mz{box-shadow:0 10px 28px rgba(32,65,94,.1)!important}.legend{box-shadow:0 8px 26px rgba(22,53,81,.055);border:0}.section-head .index{box-shadow:none;background:color-mix(in srgb,var(--accent) 9%,transparent)}
.off-grid-list{grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px}.off-card{min-height:94px;aspect-ratio:1.08/1;padding:11px;border-radius:var(--radius)}.off-code{font-size:22px;line-height:1;color:var(--accent)}.off-card h3{font-size:10px;line-height:1.35;margin:9px 0 3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.off-card p{font-size:7.5px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.off-card.scp{border:0!important}.off-card.aero,.off-card.juno{background:var(--card)}
.infobox th,.infobox td{box-shadow:none;background:color-mix(in srgb,var(--surface) 88%,transparent)}.infobox th{background:color-mix(in srgb,var(--profile-accent) 9%,var(--surface))}.media-panel>*{box-shadow:0 12px 32px rgba(17,45,70,.07)}.name-stack{border:0}.bio h3,.relations h3{border:0;padding-bottom:0}.relations li{border:0;background:color-mix(in srgb,var(--surface-2) 58%,transparent);border-radius:10px;padding:8px 10px}
body:not([data-filter="off"]) .element-card.filled,body:not([data-filter="off"]) .off-card,body:not([data-filter="off"]) .special-card{border:0!important;background:linear-gradient(145deg,color-mix(in srgb,var(--filter-color) 18%,var(--card)),var(--card));box-shadow:0 8px 24px color-mix(in srgb,var(--filter-color) 12%,transparent)!important}.group-hidden{opacity:.07!important;filter:saturate(.2);pointer-events:none}.search-hidden{opacity:.07!important}
body[data-mode="dark"] .element-card,body[data-mode="dark"] .special-card,body[data-mode="dark"] .off-card{box-shadow:0 10px 26px rgba(0,0,0,.2)!important}body[data-mode="dark"] .legend{box-shadow:0 10px 30px rgba(0,0,0,.16)}
@media(max-width:1400px){.brand-cn{font-size:21px}.brand-en{font-size:10px;letter-spacing:.045em}.brand-divider{margin:0 5px}.toolbar{gap:5px}.search input{width:116px}.select-wrap{font-size:0;gap:0}.select-wrap select{max-width:138px;padding-left:8px;padding-right:23px}.icon-btn{padding:0 9px}}
@media(max-width:820px){.brand{white-space:normal}.brand-cn{font-size:21px}.brand-en{font-size:9px}.theme-palette{padding-left:0}.off-grid-list{grid-template-columns:repeat(auto-fill,minmax(84px,1fr))}}

/* 3.1: compact fold marker and quieter archive dots. */
.archive-mark,.grid-special .archive-mark{box-shadow:none!important;width:7px;height:7px}.has-satellite::after{content:"";left:auto;bottom:auto;right:0;top:0;width:18px;height:18px;background:#263d52;clip-path:polygon(0 0,100% 0,100% 100%);border-radius:0 var(--radius) 0 0;transform-origin:100% 0;transition:transform .2s ease,filter .2s ease}.has-satellite:hover::after,.has-satellite:focus-within::after,.has-satellite.satellite-open::after{transform:scale(1.08);filter:brightness(1.25)}.fold-key{display:inline-block;width:13px;height:13px;background:#263d52;clip-path:polygon(0 0,100% 0,100% 100%);border-radius:0 4px 0 0;vertical-align:-2px}.satellites{transform:translateX(-7px) scale(.97);transform-origin:left top;transition:opacity .18s ease,transform .22s cubic-bezier(.2,.75,.25,1),visibility .18s}.has-satellite:hover .satellites,.has-satellite:focus-within .satellites,.has-satellite.satellite-open .satellites{transform:translateX(0) scale(1)}.element-symbol,.off-code{transition:transform .22s cubic-bezier(.2,.75,.25,1)}.element-card:hover .element-symbol,.off-card:hover .off-code{transform:translateY(-1px) scale(1.035)}.element-card,.off-card,.special-card{transition:transform .22s cubic-bezier(.2,.75,.25,1),box-shadow .22s ease,opacity .2s ease,filter .2s ease}
body[data-mode="dark"] .has-satellite::after,body[data-mode="dark"] .fold-key{background:#45627a}