:root{--teal:#0a8f8f;--navy:#1a3050;--bg:#f5f8fa;--line:#e8edf2;--muted:#6b7c93}*{box-sizing:border-box}html,body,#root{background:var(--bg);height:100%;color:var(--navy);margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.doctor-app{flex-direction:column;height:100vh;display:flex}.topbar{background:var(--navy);color:#fff;flex-shrink:0;align-items:baseline;gap:12px;padding:14px 24px;display:flex}.brand{letter-spacing:.3px;font-size:20px;font-weight:800}.topbar-sub{color:#aab8cc;font-size:14px}.layout{flex:1;min-height:0;display:flex}.rail{border-right:1px solid var(--line);background:#fff;flex-direction:column;flex-shrink:0;width:280px;display:flex;overflow-y:auto}.rail-clinic{background:var(--teal);color:#fff;padding:14px 16px}.rail-clinic-name{font-size:16px;font-weight:700}.rail-clinic-date{opacity:.75;margin-top:3px;font-size:11px}.rail-clinic-doc{opacity:.9;margin-top:8px;font-size:12.5px;font-weight:600}.rail-head{border-bottom:1px solid 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16px;font-size:12px}.link-btn{color:var(--teal);cursor:pointer;background:0 0;border:none;margin-left:8px;font-weight:700}.guard{text-align:center;color:var(--navy);padding:80px 20px}