@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap");:root{--primary:#0276a1;--primary-dark:#015f82;--primary-container:#cfe9f3;--on-primary:#fff;--bg:#f4f6f8;--surface:#fff;--surface-variant:#eef1f4;--outline:#d5dbe1;--outline-variant:#e6eaee;--text:#1a1c1e;--muted:#5f6b76;--danger:#ba1a1a;--danger-bg:#ffedea;--success:#1b6b3a;--success-bg:#d9f4e4;--warning:#8a5300;--warning-bg:#ffeccb;--radius:16px;--radius-sm:10px;--e1:0 1px 2px rgba(0,0,0,.1),0 1px 3px rgba(0,0,0,.06);--e2:0 2px 6px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);--e3:0 6px 16px rgba(0,0,0,.12),0 2px 4px rgba(0,0,0,.06)}*{box-sizing:revert-layer}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Roboto,system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:1.6rem;font-weight:500;margin:0 0 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transparent;font-weight:500;color:var(--muted)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.spinner{padding:2.5rem;text-align:center;color:var(--muted)}.user-app{min-height:100vh;display:flex;flex-direction:column}.user-header{background:var(--primary);color:var(--on-primary);position:-webkit-sticky;position:sticky;top:0;z-index:10;box-shadow:var(--e2)}.user-header-inner{max-width:960px;margin:0 auto;padding:.7rem 1rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.user-header .brand{font-weight:700;font-size:1.1rem}.user-nav{display:flex;gap:.25rem;margin-left:auto;align-items:center;flex-wrap:wrap}.user-nav .nav-link{display:block;padding:.5rem .9rem;border-radius:999px;color:hsla(0,0%,100%,.92);font-weight:500;font-size:.9rem;transition:background .15s}.user-nav .nav-link:hover{background:hsla(0,0%,100%,.16);text-decoration:none}.user-nav .nav-link.active{background:hsla(0,0%,100%,.22);color:#fff}.user-nav 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