:root{--bg:#07070a;--panel:#111118;--panel2:#171721;--text:#f8f8ff;--muted:#aaaabd;--line:#292938;--pink:#ff1cad;--cyan:#13dcff;--yellow:#ffe44a;--green:#38f56e;--danger:#ff5c7d;--radius:22px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% 0%,#24113c 0,transparent 32%),radial-gradient(circle at 90% 20%,#062f3c 0,transparent 28%),var(--bg);color:var(--text);min-height:100vh}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.auth-page{display:grid;place-items:center;padding:32px}.auth-card{width:min(440px,100%);background:rgba(17,17,24,.94);border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:0 28px 90px #0009}.install-card{width:min(560px,100%)}.auth-logo{display:block;width:180px;max-height:110px;object-fit:contain;margin:0 auto 20px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;font-weight:800;color:var(--cyan);margin:0 0 8px}h1{font-size:clamp(2rem,5vw,4.4rem);line-height:.96;margin:.1em 0 .25em}h2{margin:.1em 0 .4em}.muted,.hint,.hero p,.studio-intro p,.owner-head p,.tool-card p{color:var(--muted);line-height:1.6}.stack{display:grid;gap:16px}.stack label,.controls label,.modal-card label{display:grid;gap:8px;font-weight:700}input,select{width:100%;background:#09090e;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:13px 14px;outline:none}input:focus,select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px #13dcff22}.button{border:0;border-radius:12px;padding:13px 18px;font-weight:800;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;gap:8px}.button.primary{background:linear-gradient(90deg,var(--pink),#834dff,var(--cyan));color:white}.button.secondary{background:var(--panel2);color:white;border:1px solid var(--line)}.button.ghost{background:transparent;color:white;border:1px solid var(--line)}.button.small{padding:9px 12px;font-size:.86rem}.button:disabled{opacity:.4;cursor:not-allowed}.alert{padding:13px 15px;border-radius:12px;margin:16px 0}.alert.error{background:#441420;border:1px solid #7b243a}.alert.success{background:#103c27;border:1px solid #1d7047}.setup-note{display:grid;gap:5px;background:#09090e;border:1px dashed var(--line);border-radius:14px;padding:15px;margin-top:20px}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:10px clamp(18px,4vw,58px);border-bottom:1px solid var(--line);background:#08080dcf;backdrop-filter:blur(16px);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:12px}.brand img{width:76px;height:52px;object-fit:cover;border-radius:10px}.brand span{display:grid}.brand strong{letter-spacing:.12em}.brand small{color:var(--muted)}nav{display:flex;align-items:center;gap:10px}.welcome{color:var(--muted)}.role-pill{display:inline-flex;border:1px solid #714df1;background:#281f4d;padding:5px 9px;border-radius:999px;font-size:.75rem;font-weight:800}.shell{width:min(1220px,calc(100% - 32px));margin:0 auto;padding:58px 0}.hero{max-width:850px;padding:35px 0 50px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.tool-card{position:relative;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;background:linear-gradient(145deg,#181821,#0f0f15);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;transition:.2s}.tool-card:hover{transform:translateY(-4px);border-color:#6b5cff;box-shadow:0 20px 55px #0008}.tool-card.active:before,.tool-card.owner:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(120deg,var(--pink),transparent 35%,var(--cyan));mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;pointer-events:none}.tool-icon{font-size:2rem;width:54px;height:54px;display:grid;place-items:center;border-radius:16px;background:#221a3f}.arrow{font-size:2rem}.studio-shell{padding-top:38px}.studio-intro{margin-bottom:26px}.studio-layout{display:grid;grid-template-columns:310px minmax(0,1fr);gap:24px}.panel,.canvas-wrap,.user-card{background:rgba(17,17,24,.92);border:1px solid var(--line);border-radius:var(--radius)}.controls{padding:20px;display:grid;gap:18px;align-content:start}.upload-box{padding:24px;border:1px dashed #56566d;border-radius:16px;text-align:center;cursor:pointer}.upload-box input{display:none}.upload-box span{font-size:.83rem;color:var(--muted)}.controls output{float:right;color:var(--cyan)}input[type=range]{padding:0;accent-color:var(--pink)}.button-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.canvas-wrap{position:relative;padding:18px;display:grid;place-items:center;min-width:0}.canvas-wrap canvas{width:min(100%,760px);height:auto;display:block;touch-action:none;background:#000;box-shadow:0 16px 55px #000}.empty-state{position:absolute;display:grid;text-align:center;gap:5px;pointer-events:none}.empty-state span{color:var(--muted)}.empty-state[hidden]{display:none}.owner-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}.user-list{display:grid;gap:14px}.user-card{padding:18px;display:flex;justify-content:space-between;gap:20px;align-items:center}.user-main{display:flex;align-items:center;gap:14px}.avatar{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(145deg,#8b36ef,#15dffc);font-size:1.3rem;font-weight:900}.user-main h2{margin:0 0 6px}.meta{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin-bottom:6px}.status{font-size:.74rem;font-weight:800;border-radius:999px;padding:5px 8px}.status.online{background:#123923;color:#7dffa6}.status.offline{background:#3a1820;color:#ff879f}.status.pending{background:#40370f;color:#ffe36a}.user-main small{color:var(--muted)}.user-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.inline-form select{min-width:120px;padding:9px 11px}.locked{color:var(--muted);font-size:.85rem}dialog{border:0;padding:0;background:transparent;color:var(--text)}dialog::backdrop{background:#000b;backdrop-filter:blur(6px)}.modal-card{width:min(450px,calc(100vw - 28px));display:grid;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:24px}.modal-head{display:flex;justify-content:space-between}.icon-button{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--panel2);color:white;font-size:1.4rem;cursor:pointer}@media(max-width:800px){.studio-layout{grid-template-columns:1fr}.topbar{height:auto;align-items:flex-start;gap:12px}.topbar nav{flex-wrap:wrap;justify-content:flex-end}.welcome{display:none}.owner-head,.user-card{align-items:stretch;flex-direction:column}.user-actions{justify-content:flex-start}.shell{padding-top:32px}.brand img{width:58px;height:42px}}@media(max-width:520px){.topbar{padding:10px}.brand small{display:none}.role-pill{display:none}.auth-card{padding:24px}.tool-card{grid-template-columns:auto 1fr}.tool-card .arrow{display:none}}