/* LUSION AI STUDIO app screens (login / account / simple / make / admin). 2026-10-12 redesign: neutral black, white primary buttons, one cyan accent, no purple. Class names unchanged. */
:root{--bg:#08090c;--s1:#111419;--s2:#171b21;--s3:#1f242c;--line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.18);--tx:#f5f6f8;--mu:#b2b8c3;--mu2:#8f96a2;--ac:#3fd8e8;--acs:rgba(63,216,232,.14);--bad:#ff9db0}
[hidden]{display:none!important}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--tx);font:18px/1.7 'Pretendard Variable',Pretendard,-apple-system,'Malgun Gothic',system-ui,sans-serif;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;padding:20px 16px 120px;
  background-image:radial-gradient(900px 520px at 85% -10%,rgba(19,181,200,.20),transparent 60%),radial-gradient(700px 500px at -10% 30%,rgba(242,196,107,.07),transparent 60%);background-attachment:fixed}
a{color:inherit}.wrap{max-width:820px;margin:0 auto}
:focus-visible{outline:3px solid var(--ac);outline-offset:3px;border-radius:12px}
.top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:22px;padding:8px 8px 8px 16px;border-radius:999px;background:rgba(17,20,25,.6);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);position:sticky;top:10px;z-index:20}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;text-decoration:none;white-space:nowrap}
.logo:before{content:"";width:28px;height:28px;flex:none;border-radius:9px;background:#0e1a20 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Ccircle cx='16' cy='16' r='10.5' fill='none' stroke='%233fd8e8' stroke-width='2.2'/%3E%3Cpath d='M13 10.5v11h7' fill='none' stroke='%23fff' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat}
.logo b{font-weight:700;color:#3fd8e8;margin-left:2px}.logo i.st{font-style:normal;font-weight:500;color:var(--mu);margin-left:7px}
h1{font-size:clamp(28px,5vw,40px);line-height:1.2;letter-spacing:-.04em;margin:14px 0 8px}
h2{font-size:22px;letter-spacing:-.03em;margin:0 0 8px;display:flex;align-items:center;gap:10px}
.sub{color:var(--mu);margin:0 0 22px}.note{font-size:15px;color:var(--mu2)}.err{color:var(--bad);font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 26px;border-radius:999px;font-size:19px;font-weight:700;border:0;cursor:pointer;text-decoration:none;font-family:inherit;letter-spacing:-.01em;transition:transform .2s,box-shadow .2s,background .2s}
.p{background:#fff;color:#08090c}
.p:hover{box-shadow:0 10px 36px rgba(63,216,232,.28),0 0 0 4px rgba(63,216,232,.18)}
.g{background:rgba(255,255,255,.05);color:var(--tx);border:1px solid var(--line2)}
.g:hover{background:rgba(255,255,255,.1)}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}
.box{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:24px;padding:22px;margin:14px 0}
.big{font-size:34px;font-weight:700;letter-spacing:-.04em;color:var(--tx)}
label{display:block;margin:14px 0 6px;color:var(--mu);font-weight:600}
input,select,textarea{width:100%;border-radius:16px;border:1px solid var(--line2);background:#0c0e12;color:var(--tx);font:inherit;font-size:20px;padding:14px 16px;transition:border-color .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--ac);box-shadow:0 0 0 4px var(--acs)}
input::placeholder,textarea::placeholder{color:#6f7682}
textarea{min-height:170px;line-height:1.6}input[type=checkbox]{width:24px;height:24px;margin-top:4px;flex:none;accent-color:#3fd8e8}
.row{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}.chk{display:flex;gap:10px;align-items:flex-start;font-size:16px;line-height:1.6;margin-top:14px}
.menus{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.menu,.opt{position:relative;display:flex;flex-direction:column;gap:6px;text-align:left;min-height:150px;padding:22px;border-radius:24px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));color:var(--tx);font:inherit;font-size:20px;font-weight:700;cursor:pointer;transition:border-color .2s,background .2s,transform .2s}
.menu:hover,.opt:hover{border-color:var(--line2)}
.menu small,.opt small{font-size:16px;font-weight:400;color:var(--mu);line-height:1.5}
.ic{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:16px;background:var(--acs);color:var(--ac);font-size:28px;flex:none}
.ic svg.lu{width:26px;height:26px}
.menu.on{border-color:var(--ac);background:radial-gradient(400px circle at 0% 0%,rgba(63,216,232,.16),transparent 60%),linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02))}
.menu.off{opacity:.5;cursor:not-allowed}
.badge{align-self:flex-start;font-size:13px;font-weight:700;background:rgba(255,255,255,.08);color:var(--mu);padding:3px 10px;border-radius:999px;border:1px solid var(--line)}
.opts{display:grid;gap:12px}.opt{min-height:84px;flex-direction:row;align-items:center;gap:16px}.opt.sel{border-color:var(--ac);background:rgba(63,216,232,.08)}
.steps{display:flex;gap:8px;margin-bottom:16px}.steps i{flex:1;height:6px;border-radius:9px;background:rgba(255,255,255,.1);transition:background .4s}.steps i.on{background:var(--ac);box-shadow:0 0 12px rgba(63,216,232,.5)}
.bar{position:fixed;left:0;right:0;bottom:0;background:rgba(8,9,12,.82);border-top:1px solid var(--line);padding:12px 16px calc(12px + env(safe-area-inset-bottom));display:flex;justify-content:center;gap:12px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:30}
.bar .btn{flex:1;max-width:400px}
video{width:100%;max-width:380px;border-radius:20px;background:#000}
dialog{background:#12151a;color:var(--tx);border:1px solid var(--line2);border-radius:26px;padding:28px;max-width:520px;font-size:20px;box-shadow:0 40px 120px rgba(0,0,0,.7)}dialog::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}
table{width:100%;border-collapse:collapse;font-size:16px}td,th{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left}th{color:var(--mu);font-weight:600}
svg.lu{width:1.15em;height:1.15em;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.18em}
.btn svg.lu{width:1.2em;height:1.2em}
h1 svg.lu,h2 svg.lu{color:var(--ac)}
@media(max-width:620px){.menus{grid-template-columns:1fr}.top{padding:6px 6px 6px 12px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}