:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1e222b;--border: #2a2f3a;--text: #e8eaed;--muted: #9aa1ac;--accent: #4f8cff;--accent-hover: #3d78e6;--danger: #e05252;--danger-hover: #c94444;--radius: 10px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.shell{min-height:100vh}.topbar{display:flex;align-items:center;gap:2rem;padding:.9rem 1.75rem;background:var(--panel);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:.6rem;font-weight:600;font-size:1.05rem}.brand-mark{width:28px;height:28px;background:var(--accent);color:#fff;border-radius:7px;display:flex;align-items:center;justify-content:center;font-weight:700}.brand-mark.large{width:48px;height:48px;font-size:1.4rem;margin:0 auto 1rem}.topnav{display:flex;gap:1.25rem;flex:1}.topnav a{color:var(--muted);text-decoration:none;font-size:.92rem}.topnav 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var(--border);color:var(--text)}button:disabled{opacity:.5;cursor:not-allowed}label{display:block;font-size:.82rem;color:var(--muted);margin:.6rem 0 .3rem}input,select,textarea{width:100%;padding:.55rem .7rem;background:var(--panel-2);border:1px solid var(--border);border-radius:7px;color:var(--text);font-size:.9rem}textarea{resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}hr{border:none;border-top:1px solid var(--border);margin:1.25rem 0}.error-banner{background:#e052521f;border:1px solid var(--danger);color:#ff9c9c;padding:.6rem .9rem;border-radius:7px;margin-bottom:1rem;font-size:.88rem}.muted{color:var(--muted)}.back-link{color:var(--muted);text-decoration:none;font-size:.88rem}.back-link:hover{color:var(--text)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:2.5rem;width:340px;text-align:center}.login-card h1{margin:0 0 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a:hover{color:var(--text);background:var(--panel-2)}.sidebar .who{flex-direction:column;align-items:flex-start;gap:.5rem}.sidebar .who button{width:100%}.shell-sidebar .content{flex:1;padding:1.75rem;max-width:1100px}button.small{padding:.35rem .75rem;font-size:.82rem}