:root{
  --blue:#0b5ea8;--blue-dark:#084677;--bg:#f3f6f9;--card:#fff;--text:#1c2834;
  --muted:#687685;--line:#d8e0e8;--success:#177b4d;--warning:#8c5b00;--danger:#a82828;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text)}
.topbar{position:sticky;top:0;z-index:30;min-height:64px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:10px max(16px,env(safe-area-inset-left));box-shadow:0 2px 8px #0002}
.brand{color:#fff;text-decoration:none;font-weight:800;font-size:20px}.brand span{font-weight:600}.topbar nav{display:flex;gap:10px;align-items:center}.user{font-size:14px}
.nav-link{color:#fff;text-decoration:none;font-weight:750;padding:8px 10px;border-radius:9px}.nav-link:hover,.nav-link:focus{background:#ffffff20;outline:none}
.container{max-width:1280px;margin:0 auto;padding:22px 18px 90px}.hero,.protocol-head,.panel-head,.actions{display:flex;align-items:center;justify-content:space-between;gap:14px}.hero{margin-bottom:20px}
h1{margin:.2em 0;font-size:clamp(25px,4vw,38px)}h2{margin:0 0 16px;font-size:22px}h3{margin:0 0 12px}.muted{color:var(--muted)}
.panel,.form-section,.login-card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 3px 14px #0000000a}
.panel{padding:18px}.form-section{padding:20px;margin:16px 0;scroll-margin-top:130px}.subpanel{background:#f7f9fb;border:1px solid var(--line);border-radius:12px;padding:14px;margin:14px 0}
.btn{appearance:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 14px;font-weight:700;color:var(--text);text-decoration:none;cursor:pointer}.btn.large{padding:13px 18px;font-size:16px}.btn.small{padding:7px 10px;font-size:13px}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.success{background:var(--success);border-color:var(--success);color:#fff}.btn.ghost{background:transparent;color:inherit}.topbar .btn.ghost{border-color:#ffffff66;color:#fff}.btn.microsoft{background:#fff;color:#111;border-color:#aaa;display:block;text-align:center}
.cards{display:grid;gap:9px}.protocol-card{display:grid;grid-template-columns:170px 1fr auto;align-items:center;gap:14px;padding:14px;border:1px solid var(--line);border-radius:12px;text-decoration:none;color:inherit;background:#fff}.protocol-card:hover{border-color:#8fb5d8}.badge{padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800;background:#edf1f4}.badge.completed{background:#e5f4eb;color:var(--success)}.badge.draft{background:#fff4d7;color:#805300}
.login-wrap{min-height:75vh;display:grid;place-items:center}.login-card{width:min(440px,100%);padding:28px}.stack{display:grid;gap:14px}.divider{text-align:center;border-top:1px solid var(--line);margin:22px 0;line-height:0}.divider span{background:#fff;padding:0 10px;color:var(--muted)}.future-login{font-size:13px;color:var(--muted);margin-top:18px}
label{display:grid;gap:6px;font-size:13px;font-weight:650}input,textarea,select{width:100%;font:inherit;font-size:16px;border:1px solid #b9c5d0;border-radius:9px;padding:11px 12px;background:#fff;color:var(--text)}textarea{resize:vertical}input:focus,textarea:focus{outline:3px solid #0b5ea822;border-color:var(--blue)}
.grid{display:grid;gap:13px}.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.cols-5{grid-template-columns:repeat(5,minmax(0,1fr))}
fieldset{border:1px solid var(--line);border-radius:12px;padding:12px;min-width:0}legend{font-weight:800;padding:0 5px}.check{display:flex;grid-template-columns:24px 1fr;align-items:center;gap:8px;min-height:38px}.check input{width:20px;height:20px}.bigcheck{padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff}.consent{margin-top:18px}
.step-nav{position:sticky;top:64px;z-index:20;display:flex;gap:6px;overflow-x:auto;background:var(--bg);padding:8px 0}.step-nav button{white-space:nowrap;border:0;border-radius:999px;padding:9px 12px;background:#dfe9f2;font-weight:700;cursor:pointer}
.protocol-head{margin-bottom:8px}.back{color:var(--blue);text-decoration:none}.sticky-save{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:25;display:flex;align-items:center;gap:14px;background:#15202b;color:#fff;padding:9px 12px 9px 16px;border-radius:14px;box-shadow:0 8px 30px #0005;max-width:calc(100% - 24px)}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:9px;border-bottom:1px solid var(--line);white-space:nowrap;text-align:left}.icon-btn{border:0;background:#fbeaea;color:var(--danger);border-radius:8px;font-size:20px;cursor:pointer}
.signature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px}.signature-card{border:1px solid var(--line);border-radius:12px;padding:14px}.signature-pad{display:block;width:100%;height:150px;background:#fff;border:1px dashed #8494a3;border-radius:10px;touch-action:none;margin-top:8px}.signature-preview{width:100%;height:130px;object-fit:contain;background:#fff;border:1px solid var(--line);margin-top:8px}.signature-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}.danger-zone{border-color:#e6bcbc;background:#fff7f7}
.modal[hidden]{display:none}.modal{position:fixed;inset:0;z-index:100;background:#0008;display:grid;place-items:center;padding:15px}.modal-card{width:min(620px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:16px;padding:20px}.alert{padding:12px 14px;border-radius:10px;margin:12px 0}.alert.error{background:#fdeaea;color:#8c1f1f}.alert.warning{background:#fff3cf;color:#765300}.empty{padding:25px;text-align:center;color:var(--muted)}
.alert.success{background:#e5f4eb;color:var(--success)}.user-list{display:grid;gap:12px}.user-card{border:1px solid var(--line);border-radius:12px;padding:15px}.user-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}.user-card h3{margin:0}.user-meta{font-size:13px;color:var(--muted);margin-top:4px}.user-actions{display:grid;grid-template-columns:minmax(260px,1fr) minmax(260px,1fr);gap:12px}.inline-form{display:flex;align-items:end;gap:9px;padding:12px;background:#f7f9fb;border-radius:10px}.inline-form label{flex:1}.status-active{background:#e5f4eb;color:var(--success)}.status-inactive{background:#fdeaea;color:var(--danger)}
@media(max-width:900px){.cols-5,.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}.protocol-card{grid-template-columns:1fr auto}.protocol-card .patient{grid-column:1/-1}.signature-grid{grid-template-columns:1fr}}
@media(max-width:700px){.user-actions{grid-template-columns:1fr}.inline-form{align-items:stretch;flex-direction:column}.inline-form .btn{width:100%}}
@media(max-width:600px){.container{padding:14px 10px 95px}.hero,.protocol-head{align-items:stretch;flex-direction:column}.hero .btn,.protocol-head .actions{width:100%}.protocol-head .actions .btn{flex:1}.cols-2,.cols-3,.cols-4,.cols-5{grid-template-columns:1fr}.topbar .user{display:none}.nav-link{font-size:14px}.form-section{padding:14px}.sticky-save{width:calc(100% - 20px);justify-content:space-between}.sticky-save span{font-size:12px}}