*{box-sizing:border-box} :root{--bg:#f6f8fb;--panel:#fff;--text:#182230;--muted:#6c7787;--line:#e6eaf0;--primary:#0b63ce;--primary2:#084b9e;--shadow:0 8px 30px rgba(24,34,48,.07)}body.dark{--bg:#0f141b;--panel:#171e27;--text:#f0f4f8;--muted:#9aa7b7;--line:#283340;--shadow:0 8px 30px rgba(0,0,0,.25)}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.login-screen{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top,#e9f2ff,var(--bg) 45%)}.login-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow)}.brand-mark{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#0b63ce,#24a0ff);color:#fff;font-weight:800;font-size:24px}.brand-mark.small{width:38px;height:38px;border-radius:10px;font-size:17px}.login-card h1{margin:18px 0 5px}.muted{color:var(--muted)}label{display:block;font-size:13px;font-weight:700;margin:18px 0 7px}input,select{width:100%;padding:12px 13px;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;outline:none}input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,99,206,.1)}.primary{border:0;background:var(--primary);color:#fff;padding:12px 16px;border-radius:10px;font-weight:700}.primary:hover{background:var(--primary2)}.full{width:100%;margin-top:22px}.login-card small{display:block;margin-top:18px;color:var(--muted)}.app{display:flex;min-height:100vh}.sidebar{width:250px;background:var(--panel);border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0}.logo{display:flex;gap:10px;align-items:center;padding:8px 8px 24px}.logo b{display:block}.logo small{color:var(--muted)}nav{display:grid;gap:5px}.nav,.ghost{width:100%;border:0;background:transparent;color:var(--muted);text-align:left;padding:12px 13px;border-radius:10px}.nav{display:flex;gap:12px;align-items:center}.nav:hover,.nav.active{background:rgba(11,99,206,.1);color:var(--primary);font-weight:700}.sidebar-bottom{margin-top:auto;display:grid;gap:4px}.main{margin-left:250px;width:calc(100% - 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