:root{--bg:#f7f7f5;--surface:#ffffff;--border:#e3e3df;--text:#1a1a1a;--muted:#6b6b6b;--accent:#1f6feb;--accent-contrast:#ffffff;--danger:#c0392b;--success:#2e7d32;--radius:8px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,sans-serif;line-height:1.55;color:var(--text);background:var(--bg)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{line-height:1.25;margin-bottom:.5rem}h1{font-size:1.75rem}h2{font-size:1.35rem}h3{font-size:1.1rem}p{margin-bottom:.75rem}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--surface);border-bottom:1px solid var(--border);padding:.75rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.app-header nav{display:flex;gap:1rem;flex-wrap:wrap}.app-header .brand{font-weight:600;font-size:1.05rem}.app-main{max-width:960px;width:100%;margin:0 auto;padding:1.5rem 1.25rem 3rem;flex:1 1}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}.card h2{margin-bottom:.75rem}.stack>*+*{margin-top:.75rem}.row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:.75rem;gap:.75rem}label{display:block;font-size:.9rem;color:var(--muted);margin-bottom:.25rem}input,select,textarea{width:100%;padding:.5rem .65rem;border:1px solid var(--border);border-radius:var(--radius);font:inherit;background:var(--surface)}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}textarea{min-height:4.5rem;resize:vertical}.field{margin-bottom:.85rem}.field-inline{display:flex;gap:.5rem;align-items:center}.btn{display:inline-block;padding:.5rem .9rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font:inherit;cursor:pointer}.btn-primary,.btn:hover{border-color:var(--accent)}.btn-primary{background:var(--accent);color:var(--accent-contrast)}.btn-primary:hover{opacity:.92}.btn-danger{color:var(--danger);border-color:var(--danger);background:var(--surface)}.btn:disabled{opacity:.55;cursor:not-allowed}.pill{display:inline-block;padding:.15rem .55rem;border-radius:999px;font-size:.8rem;background:#eef0f4;color:var(--muted)}.pill-active{background:#e3f2e5;color:var(--success)}.pill-past_due{background:#fcecea;color:var(--danger)}.pill-trial{background:#eef4ff;color:var(--accent)}.pill-cancelled,.pill-inactive{background:#eee;color:var(--muted)}.alert{padding:.6rem .85rem;border-radius:var(--radius);margin-bottom:.85rem;font-size:.95rem}.alert-error{background:#fcecea;color:var(--danger);border:1px solid #f5c6c2}.alert-info{background:#eef4ff;color:var(--accent);border:1px solid #cfddfb}.alert-success{background:#e3f2e5;color:var(--success);border:1px solid #c4e0c7}.tabs{display:flex;gap:.25rem;border-bottom:1px solid var(--border);margin-bottom:1rem}.tab{padding:.5rem .9rem;background:transparent;cursor:pointer;color:var(--muted);border:none;border-bottom:2px solid transparent;font:inherit}.tab-active{color:var(--text);border-bottom-color:var(--accent);font-weight:600}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--border)}th{font-size:.85rem;font-weight:600}.muted,th{color:var(--muted)}.muted{font-size:.9rem}.spaced{margin-top:1.25rem}