@font-face{font-family:CNStyle;src:url("../assets/cn-style.ttf") format("truetype");font-weight:normal;font-style:normal}
*{box-sizing:border-box}body.os-page{min-height:100vh;margin:0;color:#0d1f36;font-family:Arial,Helvetica,sans-serif;background:radial-gradient(circle at top,rgba(47,140,255,.20),transparent 34%),linear-gradient(180deg,#f6faff 0%,#eaf3ff 55%,#fbfdff 100%);opacity:0;transform:translateY(10px);transition:opacity 260ms ease,transform 260ms ease}body.os-page.os-ready{opacity:1;transform:translateY(0)}body.os-page.os-leaving{opacity:0;transform:translateY(-10px)}a{color:inherit}.tool-shell{width:min(1220px,calc(100% - 32px));margin:0 auto;min-height:100vh;padding:28px 0}.tool-head,.panel,.card{border:1px solid rgba(32,105,210,.22);background:rgba(255,255,255,.82);backdrop-filter:blur(16px);box-shadow:0 24px 70px rgba(32,88,160,.16);border-radius:28px}.tool-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;padding:24px;margin-bottom:16px}.status-line{display:inline-flex;align-items:center;gap:10px;color:#1769d1;font-size:12px;letter-spacing:3px;text-transform:uppercase}.status-dot{width:10px;height:10px;border-radius:50%;background:#2f8cff;box-shadow:0 0 14px rgba(47,140,255,.75)}h1{margin:10px 0;font-size:clamp(38px,7vw,76px);line-height:.92;letter-spacing:-4px;text-transform:uppercase;color:#10294a}p{color:rgba(13,31,54,.68);line-height:1.6}.tool-nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.tool-nav a,.os-btn,button{border:1px solid rgba(32,105,210,.25);border-radius:999px;background:rgba(47,140,255,.10);color:#10294a;padding:12px 16px;text-decoration:none;cursor:pointer;font-size:15px}.tool-nav a:hover,.os-btn:hover,button:hover{background:rgba(47,140,255,.18);border-color:rgba(32,105,210,.42)}.grid{display:grid;grid-template-columns:1fr 320px;gap:16px}.panel{padding:20px}.side{display:grid;gap:12px;align-content:start}input,textarea,select{width:100%;border:1px solid rgba(32,105,210,.22);border-radius:16px;background:rgba(255,255,255,.72);color:#0d1f36;padding:12px 14px;font-size:16px}textarea{min-height:150px;resize:vertical}.row{display:flex;gap:10px;flex-wrap:wrap}.muted{color:rgba(13,31,54,.62)}.big-center{display:grid;place-items:center;min-height:520px}.tile{border:1px solid rgba(32,105,210,.16);background:rgba(255,255,255,.58);border-radius:16px;padding:14px}.ok{border-color:rgba(47,140,255,.7)!important;background:rgba(47,140,255,.18)!important}.bad{border-color:rgba(32,105,210,.7)!important;background:rgba(47,140,255,.14)!important}@media(max-width:900px){.grid{grid-template-columns:1fr}.tool-head{flex-direction:column}.tool-nav{justify-content:flex-start}}.tool-head.compact{padding:12px 18px;margin-bottom:10px;border-radius:20px}.tool-head.compact h1{font-size:clamp(28px,5vw,48px);letter-spacing:-2px;margin:4px 0}.cn-letters{font-family:CNStyle,Arial,sans-serif;text-transform:lowercase}.screen-flash{position:fixed;inset:0;pointer-events:none;opacity:0;z-index:100;transition:opacity .45s ease}.screen-flash.show{opacity:.72}.screen-flash.good{background:#5cff87}.screen-flash.bad{background:#ff5252}