:root{--bg:#eef2f5;--surface:#ffffff;--surface-2:#f7fafb;--text:#172026;--muted:#65737e;--line:#dce3e8;--primary:#0f766e;--primary-dark:#0b4f49;--accent:#b4233a;--warning:#a16207;--success:#047857;--shadow:0 18px 50px rgb(23 32 38/0.12)}*{box-sizing:border-box}html{min-height:100%}body{min-height:100vh;margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1}h2{font-size:1.05rem}small{color:var(--muted);display:block;font-size:.78rem;line-height:1.5}.loading-screen,.login-page{display:grid;min-height:100vh;place-items:center;padding:24px}.login-panel{width:min(440px,100%);border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow);padding:28px}.login-panel h1{margin:10px 0 24px}.admin-frame{display:grid;min-height:100vh;grid-template-columns:270px 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