:root{--bg:#eef2f6;--text:#172033;--muted:#687386;--glass:rgba(255,255,255,.62);--solid:rgba(255,255,255,.84);--line:rgba(20,32,55,.1);--accent:#5967e8;--accent2:#8a72ec;--shadow:0 25px 80px rgba(30,45,70,.14)}
[data-theme=dark]{--bg:#0d1118;--text:#f2f5fc;--muted:#9ba6b8;--glass:rgba(25,31,43,.64);--solid:rgba(31,38,51,.88);--line:rgba(255,255,255,.1);--shadow:0 30px 90px rgba(0,0,0,.36)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:Inter,sans-serif}button,textarea,select{font:inherit}.ambient{position:fixed;border-radius:50%;filter:blur(65px);opacity:.25;pointer-events:none}.a{width:320px;height:320px;left:-150px;top:80px;background:#9daafc}.b{width:360px;height:360px;right:-170px;bottom:0;background:#d2b5fa}.glass{background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px)}
.topbar{position:sticky;z-index:20;top:12px;width:calc(100% - 28px);max-width:1440px;height:68px;margin:12px auto 0;border-radius:21px;padding:0 14px 0 18px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-size:12px;letter-spacing:.5px}.brand b{font-family:Orbitron}.logo3d,.modal-icon{width:39px;height:39px;border-radius:12px;display:grid;place-items:center;font:700 12px Orbitron;background:var(--solid);border:1px solid var(--line);box-shadow:inset 0 1px #fff,0 7px 18px rgba(20,30,50,.1)}.head-actions{display:flex;align-items:center;gap:8px}.api-state{font-size:9px;letter-spacing:1.2px;font-weight:800;color:var(--muted)}.api-state i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#55ad78;margin-right:5px}.head-btn,.small{border:1px solid var(--line);background:var(--solid);color:var(--text);border-radius:11px;padding:9px 12px;cursor:pointer;font-size:10px;font-weight:700}.head-btn.icon{font-size:18px;width:40px;padding:8px}.hidden{display:none!important}
.wrap{max-width:1440px;margin:auto;padding:75px 22px 65px}.hero{display:flex;align-items:center;justify-content:space-between;margin-bottom:45px}.eyebrow{font-size:9px;letter-spacing:1.7px;font-weight:800;color:var(--muted)}h1{font-size:clamp(44px,7vw,82px);line-height:.94;letter-spacing:-4px;margin:11px 0 17px}h1 span{color:var(--accent)}.hero p{max-width:680px;color:var(--muted);line-height:1.7;font-size:14px}.hero-object{width:130px;height:130px;border-radius:38px;display:grid;place-items:center;align-content:center;transform:rotate(7deg);margin-right:25px}.object-core{width:64px;height:64px;border-radius:22px;display:grid;place-items:center;background:var(--solid);font-size:28px;box-shadow:inset 0 1px #fff,0 16px 30px rgba(30,40,70,.12)}.hero-object small{text-align:center;font-size:7px;letter-spacing:1.2px;color:var(--muted);margin-top:9px}
.app-grid{display:grid;grid-template-columns:410px 1fr;gap:20px}.controls,.gallery-panel{border-radius:29px;padding:22px}.mode-tabs{display:grid;grid-template-columns:1fr 1fr 1fr;padding:4px;border-radius:14px;background:rgba(100,110,130,.08);margin-bottom:14px}.mode,.input-tab{border:0;background:transparent;color:var(--muted);padding:11px 6px;border-radius:10px;font-size:10px;font-weight:800;cursor:pointer}.mode.active,.input-tab.active{background:var(--solid);color:var(--text);box-shadow:0 8px 20px rgba(20,30,50,.08)}.engine{display:flex;justify-content:space-between;padding:10px 12px;border:1px solid var(--line);border-radius:13px;margin-bottom:17px;color:var(--muted);font-size:9px}.engine span:first-child{color:var(--text);font-weight:800}.mini-tabs{display:flex;gap:5px;margin-bottom:9px}.mini-tabs .input-tab{padding:8px 11px}.input-box label,.field-title{display:flex;justify-content:space-between;font-size:9px;font-weight:800;letter-spacing:.6px;color:var(--muted);margin:10px 0 8px}.input-box label span,.field-title span{font-weight:600;letter-spacing:0}.input-box textarea,textarea{width:100%;min-height:150px;resize:vertical;border:1px solid var(--line);outline:0;background:var(--solid);color:var(--text);border-radius:15px;padding:13px;font-size:12px;line-height:1.55}.inline{display:flex;align-items:center;gap:9px;margin-top:8px}.plain{color:var(--muted);font-size:9px}select{height:44px;width:100%;border:1px solid var(--line);border-radius:13px;background:var(--solid);color:var(--text);outline:0;padding:0 11px;font-size:10px}.row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}.drop{height:155px;border:1px dashed var(--line);border-radius:15px;display:grid;place-items:center;text-align:center;cursor:pointer;background:rgba(100,110,130,.04);overflow:hidden;position:relative}.drop.drag{background:rgba(90,103,232,.08)}.drop input{display:none}.drop strong{font-size:11px;display:block}.drop small{display:block;font-size:8px;color:var(--muted);margin-top:6px}.drop img{display:none;position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.remove{border:0;background:transparent;color:#c65d68;font-size:9px;margin-top:5px;cursor:pointer}.presets{display:flex;gap:6px;flex-wrap:wrap;margin:15px 0}.presets button{border:1px solid var(--line);background:var(--solid);color:var(--text);border-radius:10px;padding:8px 9px;font-size:9px;cursor:pointer}.generate{width:100%;height:53px;border:0;border-radius:16px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:space-between;padding:0 16px;cursor:pointer;box-shadow:0 17px 35px rgba(90,103,232,.22)}.generate:disabled{opacity:.55;cursor:wait}.progress{display:none;margin-top:15px}.progress.show{display:block}.progress-top{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);margin-bottom:7px}.bar{height:5px;border-radius:5px;background:rgba(100,110,130,.12);overflow:hidden}.bar i{display:block;width:0;height:100%;background:var(--accent);transition:width .3s}.pips{display:flex;flex-wrap:wrap;gap:4px;margin-top:9px}.pip{width:7px;height:7px;border-radius:50%;background:rgba(100,110,130,.22)}.pip.running{background:var(--accent);animation:pulse 1s infinite}.pip.done{background:#58ae7a}.pip.failed{background:#cf626c}@keyframes pulse{50%{opacity:.35}}.error{display:none;margin-top:10px;color:#c95863;font-size:9px;line-height:1.5}
.gallery-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.gallery-head h2{margin:6px 0 0;font-size:20px}.gallery-head h2 span{font-size:10px;color:var(--muted);font-weight:500}.gallery-actions{display:flex;gap:6px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.card{position:relative;aspect-ratio:1/1;border-radius:19px;overflow:hidden;border:1px solid var(--line);background:rgba(100,110,130,.07)}.card img,.card video{width:100%;height:100%;object-fit:cover;display:block}.card video{background:#000}.card-index,.card-badge{position:absolute;top:8px;padding:5px 7px;border-radius:8px;background:rgba(0,0,0,.5);color:#fff;font-size:8px}.card-index{left:8px}.card-badge{right:8px}.card-overlay{position:absolute;inset:auto 0 0;padding:35px 9px 9px;background:linear-gradient(transparent,rgba(0,0,0,.76));color:#fff;opacity:0;transition:.2s}.card:hover .card-overlay{opacity:1}.card-prompt{font-size:8px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-actions{display:flex;gap:5px;margin-top:7px}.card-btn{border:0;text-decoration:none;background:rgba(255,255,255,.17);color:#fff;border-radius:8px;padding:7px 9px;font-size:8px;cursor:pointer}.empty{grid-column:1/-1;min-height:470px;display:grid;place-content:center;text-align:center;color:var(--muted)}.empty-icon{width:70px;height:70px;border-radius:23px;background:var(--solid);border:1px solid var(--line);display:grid;place-items:center;margin:0 auto 17px;font-size:27px}.empty h3{color:var(--text);margin:0 0 7px;font-size:14px}.empty p{font-size:10px;margin:0}.pending:after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.18) 50%,transparent 70%);animation:shine 1.2s infinite}@keyframes shine{to{transform:translateX(100%)}}.pending .card-media{height:100%;background:rgba(100,110,130,.09)}
.lightbox{display:none;position:fixed;z-index:60;inset:0;background:rgba(3,6,10,.9);place-items:center;padding:25px}.lightbox.open{display:grid}.lightbox img{max-width:94vw;max-height:88vh;border-radius:18px}.close,.modal-close{position:absolute;right:18px;top:15px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;width:43px;height:43px;border-radius:50%;font-size:25px;cursor:pointer}.modal{display:none;position:fixed;z-index:70;inset:0;background:rgba(5,8,13,.45);place-items:center;padding:20px}.modal.open{display:grid}.modal-card{position:relative;width:min(390px,100%);padding:28px;border-radius:27px;text-align:center}.modal-card .modal-icon{margin:auto auto 16px}.modal-card h2{margin:0 0 8px}.modal-card p{font-size:11px;color:var(--muted);line-height:1.6;margin-bottom:20px}.modal-card .generate{height:48px}.modal-close{top:12px;right:12px;font-size:21px}.toast-wrap{}#toastWrap{position:fixed;z-index:100;right:18px;bottom:18px;display:grid;gap:7px}.toast{padding:11px 14px;border-radius:13px;background:var(--solid);border:1px solid var(--line);box-shadow:var(--shadow);font-size:10px;max-width:300px}.toast.ok{border-color:rgba(80,170,115,.35)}.toast.err{border-color:rgba(200,80,95,.35)}
@media(max-width:1050px){.app-grid{grid-template-columns:1fr}.controls{max-width:none}.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-object{display:none}}
@media(max-width:620px){.topbar{top:7px;margin-top:7px;width:calc(100% - 14px);height:61px;border-radius:18px}.api-state{display:none}.wrap{padding:45px 10px}.hero{margin-bottom:28px}.hero p{font-size:12px}.controls,.gallery-panel{padding:15px;border-radius:22px}.mode{font-size:8px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.card{border-radius:14px}.empty{min-height:300px}.gallery-head{align-items:flex-start}.gallery-actions{flex-direction:column}.brand{font-size:10px}}

/* V2 GALLERY + VIEWER */
.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.card{aspect-ratio:16/11;min-height:290px;border-radius:22px;box-shadow:0 18px 45px rgba(20,30,55,.09);transition:transform .28s,box-shadow .28s}
.card:hover{transform:translateY(-4px);box-shadow:0 28px 60px rgba(20,30,55,.15)}
.card-overlay{opacity:1;padding:55px 14px 13px}
.card-actions{gap:8px}.card-btn{font-size:10px;font-weight:800;padding:10px 15px;border-radius:11px;min-width:82px;text-align:center}
.card-btn.download-card{background:#3f72e8;color:#fff;border:1px solid #3f72e8}
.card-btn.view,.card-btn.share-card{background:rgba(255,255,255,.2);color:#fff}
.card-prompt{font-size:9px}
.lightbox{z-index:80}
.viewer{max-width:min(1100px,82vw);max-height:90vh;display:flex;flex-direction:column;align-items:center;gap:13px}
#lightboxContent{display:flex;align-items:center;justify-content:center;max-width:100%;max-height:78vh}
#lightboxContent img,#lightboxContent video{display:block;max-width:100%;max-height:76vh;width:auto;height:auto;object-fit:contain;border-radius:22px;box-shadow:0 30px 100px rgba(0,0,0,.5)}
.viewer-toolbar{display:flex;justify-content:center;gap:9px;flex-wrap:wrap}
.viewer-btn{border:1px solid rgba(255,255,255,.2);border-radius:12px;padding:11px 16px;color:#fff;background:rgba(255,255,255,.1);cursor:pointer;font-size:10px;font-weight:800}
.viewer-btn.download-btn{background:#3f72e8;border-color:#3f72e8}
.nav-arrow{position:fixed;z-index:5;top:50%;transform:translateY(-50%);width:54px;height:54px;border-radius:50%;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;font-size:38px;cursor:pointer}
.nav-arrow.prev{left:22px}.nav-arrow.next{right:22px}.nav-arrow:disabled{opacity:.25;cursor:not-allowed}
@media(max-width:800px){.grid{grid-template-columns:1fr;gap:14px}.card{aspect-ratio:16/10;min-height:260px}.viewer{max-width:92vw}.nav-arrow{width:44px;height:44px;font-size:32px}.nav-arrow.prev{left:7px}.nav-arrow.next{right:7px}#lightboxContent img,#lightboxContent video{max-height:68vh;border-radius:16px}.viewer-btn{padding:10px 13px;font-size:9px}}
@media(max-width:520px){.card{min-height:235px;border-radius:18px}.card-btn{min-width:75px;padding:9px 11px}.viewer-btn{padding:9px 10px}}

/* ═════════════════════════════════════════════
   ZXH AI STUDIO V3 — RESPONSIVE / 3D / GLASS
   ═════════════════════════════════════════════ */
*{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
body{min-width:0}
img,video,svg,canvas{max-width:100%}
button,input,textarea,select{max-width:100%;font:inherit}
main,.container,.wrap,.app,.page,.shell{max-width:100%;min-width:0}
.grid{width:100%;max-width:100%;min-width:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card{width:100%;min-width:0;overflow:hidden;isolation:isolate}
.card-media{width:100%;min-width:0;overflow:hidden}
.card-media img,.card-media video{width:100%;height:100%;max-width:100%;object-fit:cover;display:block}
.card-overlay,.card-prompt{max-width:100%;min-width:0}
.card-prompt{overflow:hidden;word-break:break-word;overflow-wrap:anywhere;white-space:normal}
.card-actions{display:flex;flex-wrap:wrap;align-items:center;max-width:100%}
.card-btn{white-space:nowrap;flex:0 1 auto}
.lightbox{padding:18px;overflow:hidden}
.viewer{width:min(1100px,calc(100vw - 80px));min-width:0}
#lightboxContent{width:100%;min-width:0}
#lightboxContent img,#lightboxContent video{max-width:100%;width:auto}
.viewer-toolbar{max-width:100%;padding:0 6px}
.install-prompt{position:fixed;z-index:1000;left:18px;right:18px;bottom:18px;display:flex;align-items:center;gap:12px;padding:13px 14px;border:1px solid rgba(255,255,255,.22);border-radius:20px;background:rgba(255,255,255,.78);box-shadow:0 22px 70px rgba(0,0,0,.18),inset 0 1px 0 rgba(255,255,255,.8);backdrop-filter:blur(24px) saturate(1.2);-webkit-backdrop-filter:blur(24px);transform:translateY(150%);opacity:0;pointer-events:none;transition:.35s ease;overflow:hidden}
[data-theme="dark"] .install-prompt{background:rgba(20,22,28,.82);border-color:rgba(255,255,255,.14)}
.install-prompt.show{transform:translateY(0);opacity:1;pointer-events:auto}
.install-copy{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.install-copy strong,.install-copy span{display:block}.install-copy span{font-size:11px;opacity:.68;margin-top:2px;overflow-wrap:anywhere}
.install-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(145deg,rgba(255,255,255,.8),rgba(220,225,235,.35));box-shadow:inset 1px 1px 2px rgba(255,255,255,.8),8px 8px 18px rgba(0,0,0,.1);flex:none}
.install-prompt #install-btn{border:0;border-radius:12px;padding:10px 16px;background:#3f72e8;color:#fff;font-weight:800;cursor:pointer;box-shadow:0 8px 22px rgba(63,114,232,.3)}
.install-close{border:0;background:transparent;font-size:23px;opacity:.65;cursor:pointer}
.zxh-footer{width:100%;margin-top:70px;padding:26px max(18px,4vw);display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid rgba(127,127,127,.16);background:linear-gradient(180deg,transparent,rgba(127,127,127,.035));position:relative;overflow:hidden}
.footer-mark{position:relative;width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:rgba(255,255,255,.35);box-shadow:inset 1px 1px 3px rgba(255,255,255,.8),10px 12px 28px rgba(0,0,0,.09);font-size:18px;letter-spacing:1px;overflow:visible}
[data-theme="dark"] .footer-mark{background:rgba(255,255,255,.06)}
.footer-mark b{position:relative;z-index:3}.smoke{position:absolute;border-radius:50%;filter:blur(7px);opacity:.35;animation:zxhSmoke 5s ease-in-out infinite}
.smoke-a{width:25px;height:25px;left:0;top:-13px;background:#9da6b8}.smoke-b{width:18px;height:18px;right:-2px;top:-9px;background:#c5cad3;animation-delay:1.3s}.smoke-c{width:22px;height:22px;left:18px;top:-20px;background:#b2bac8;animation-delay:2.1s}
@keyframes zxhSmoke{0%,100%{transform:translate3d(0,5px,0) scale(.8);opacity:.18}50%{transform:translate3d(5px,-7px,0) scale(1.15);opacity:.4}}
.footer-copy{flex:1;min-width:0}.footer-copy strong{display:block;letter-spacing:1.5px}.footer-copy span{display:block;font-size:11px;opacity:.58;margin-top:4px;overflow-wrap:anywhere}
.footer-links{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.footer-links span{padding:7px 10px;border-radius:999px;font-size:9px;background:rgba(127,127,127,.08);white-space:nowrap}
@media(max-width:760px){
 .grid{grid-template-columns:1fr;gap:15px}.card{min-height:260px}.card-actions{gap:7px}.card-btn{padding:10px 12px;min-width:0}
 .viewer{width:calc(100vw - 30px)}.nav-arrow{z-index:20}.lightbox{padding:10px}
 .zxh-footer{margin-top:45px;flex-wrap:wrap;padding:22px 15px}.footer-copy{min-width:calc(100% - 75px)}.footer-links{width:100%;justify-content:flex-start}
 .install-prompt{left:10px;right:10px;bottom:10px}.install-copy span{font-size:10px}
}
@media(max-width:420px){
 .card{min-height:235px;border-radius:18px}.card-actions{width:100%}.card-btn{font-size:9px;padding:9px 10px}
 .viewer-toolbar{gap:6px}.viewer-btn{flex:1 1 auto}.nav-arrow{width:40px;height:40px;font-size:29px}.nav-arrow.prev{left:4px}.nav-arrow.next{right:4px}
 .install-prompt{gap:7px;padding:10px}.install-icon{width:34px;height:34px}.install-prompt #install-btn{padding:9px 11px;font-size:10px}
}