:root{
  --accent:#12647a;
  --accent-strong:#0b4e60;
  --accent-soft:#e8f3f6;
  --accent-contrast:#ffffff;
  --bg:#eef2f5;
  --surface:#ffffff;
  --surface-2:#f7f9fb;
  --surface-3:#edf2f5;
  --text:#17212b;
  --text-soft:#53606c;
  --text-faint:#74808b;
  --line:#d8e0e6;
  --line-strong:#c5d0d8;
  --success:#1d7048;
  --success-soft:#e9f6ef;
  --warning:#8a6100;
  --warning-soft:#fff4cf;
  --danger:#a92d25;
  --danger-soft:#fceceb;
  --focus:#146fa8;
  --radius-xs:8px;
  --radius-sm:11px;
  --radius:15px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(18,31,43,.05);
  --shadow:0 8px 28px rgba(18,31,43,.08);
  --topbar-h:66px;
  --patient-h:84px;
  --content-max:1500px;
}
*{box-sizing:border-box}
html{min-height:100%;background:var(--bg);scroll-behavior:smooth}
body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:none}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
::selection{background:#cfe7ef}

/* Layout */
.container{width:min(var(--content-max),calc(100% - 40px));margin:0 auto;padding:26px 0 36px}
.card,.section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px;margin:18px 0}
.card-flat{box-shadow:none}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
h1,h2,h3{color:var(--text);line-height:1.18;margin:0 0 10px;font-weight:760;letter-spacing:-.015em}
h1{font-size:clamp(27px,2.5vw,38px)}
h2{font-size:22px}
h3{font-size:18px}
p{margin:0 0 12px}
.subtle,.muted,.hint{color:var(--text-soft)}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:var(--accent);margin-bottom:5px}

/* Main header */
.topbar{position:relative;z-index:100;height:var(--topbar-h);background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:saturate(160%) blur(10px)}
.topbar-inner{width:min(var(--content-max),calc(100% - 40px));height:100%;margin:0 auto;display:flex;align-items:center;gap:18px}
.app-identity{display:flex;align-items:center;gap:10px;color:var(--text);min-width:180px;max-width:340px}
.app-identity img{height:36px;max-width:110px;object-fit:contain}
.app-identity-text{display:flex;flex-direction:column;min-width:0}
.app-identity-text strong{font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.app-identity-text small{font-size:12px;color:var(--text-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-spacer{flex:1}
.main-nav,.topbar-actions{display:flex;align-items:center;gap:6px}
.nav-link{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 15px;border-radius:11px;color:#34414c;font-weight:700;white-space:nowrap}
.nav-link:hover{background:var(--surface-2)}
.nav-link.active{background:var(--accent-soft);color:var(--accent-strong)}

/* Controls: deliberate 48px+ touch targets */
.btn{appearance:none;min-height:48px;padding:0 16px;border:1px solid var(--line-strong);border-radius:11px;background:var(--surface);color:var(--text);display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;font-weight:720;line-height:1.1;transition:background .15s,border-color .15s,transform .05s,box-shadow .15s}
.btn:hover{background:var(--surface-2);border-color:#b6c3cc}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}
.btn-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong)}
.btn-quiet{border-color:transparent;background:transparent}
.btn-danger,.btn-danger-outline{color:var(--danger);border-color:#e5b4b0;background:#fff}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-large{min-height:58px;padding:0 22px;font-size:17px;border-radius:13px}

/* Forms */
label{display:block;margin:0 0 7px;font-size:14px;font-weight:740;color:#3a4752}
input:not([type]),
input[type="text"],input[type="email"],input[type="password"],input[type="date"],input[type="time"],input[type="datetime-local"],input[type="number"],input[type="tel"],input[type="url"],input[type="search"],
select,textarea,.input{
  display:block;width:100%;min-width:0;min-height:50px;padding:11px 13px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;color:var(--text);font:inherit;box-shadow:inset 0 0 0 1px transparent;transition:border-color .15s,box-shadow .15s,background .15s
}
input[type="file"]{display:block;width:100%;min-height:50px;padding:9px 10px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;color:var(--text)}
textarea{min-height:132px;resize:vertical}
input:focus,select:focus,textarea:focus,.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(18,100,122,.13);outline:0}
input:disabled,select:disabled,textarea:disabled{background:#f0f3f5;color:#6f7a83;cursor:not-allowed}
input[type="checkbox"],input[type="radio"]{width:22px;height:22px;min-width:22px;accent-color:var(--accent)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px}
.form-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.form-grid .wide{grid-column:1/-1}
.form-grid>div{min-width:0}
.form-grid>div>label+input,.form-grid>div>label+select,.form-grid>div>label+textarea{margin:0}
.field-help{display:block;margin-top:6px;font-size:12px;color:var(--text-soft)}
.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.choice{display:flex;align-items:center;gap:11px;min-height:50px;margin:0;padding:11px 13px;border:1px solid var(--line);border-radius:11px;background:#fff;font-weight:650;color:#3a4752;cursor:pointer}
.choice:hover{border-color:#b9c6ce;background:var(--surface-2)}
fieldset:disabled .choice{cursor:not-allowed;opacity:.75}
.form-actions{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:22px;flex-wrap:wrap}

/* Tables */
.responsive-table{overflow:auto;border-radius:12px;border:1px solid var(--line)}
.table{width:100%;border-collapse:collapse;background:#fff}
.table th,.table td{padding:14px 13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-soft);background:var(--surface-2);font-weight:800}
.table tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:#fbfcfd}
.badge,.status-pill{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);font-size:12px;font-weight:800;background:#fff;white-space:nowrap}
.is-draft{background:var(--warning-soft);border-color:#ead58a;color:#745300}
.is-final{background:var(--success-soft);border-color:#b9dfca;color:#195d3c}

/* Dashboard / high-speed entry */
.ops-hero{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:8px 0 4px}
.ops-hero>div:first-child{max-width:850px}
.ops-status{min-width:180px;padding:16px 20px;border:1px solid var(--line);border-radius:15px;background:var(--surface);text-align:center;box-shadow:var(--shadow-sm)}
.ops-status strong{display:block;font-size:34px;line-height:1.05}
.ops-status span{color:var(--text-soft);font-size:13px}
.action-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:22px 0}
.action-tile{min-height:178px;border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff;color:var(--text);display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;box-shadow:var(--shadow-sm);transition:transform .12s,box-shadow .12s,border-color .12s}
.action-tile:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#b9c7cf}
.action-tile strong{font-size:21px;line-height:1.2}
.action-tile small{margin-top:6px;color:var(--text-soft);font-size:13px}
.action-icon{display:flex;align-items:center;justify-content:center;min-width:50px;height:50px;padding:0 12px;border-radius:13px;background:var(--surface-3);font-size:23px;font-weight:850;margin-bottom:auto;color:var(--accent-strong)}
.action-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.action-primary:hover{border-color:var(--accent-strong);background:var(--accent-strong)}
.action-primary small{color:#e4f2f5}.action-primary .action-icon{background:#fff;color:var(--accent)}
.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.kpi .big{font-size:28px;font-weight:820;line-height:1.05}

/* Persistent patient context */
.patient-context{position:sticky;top:0;z-index:90;background:#142a35;color:#fff;border-bottom:1px solid #1d3a47;box-shadow:0 5px 15px rgba(8,21,28,.14)}
.patient-context-inner{width:min(var(--content-max),calc(100% - 40px));min-height:var(--patient-h);margin:0 auto;display:grid;grid-template-columns:220px minmax(0,1fr) auto;align-items:center;gap:24px}
.patient-context-date{font-size:13px;color:#bcd0d8;font-weight:650}
.patient-context-date::before{content:"Einsatzzeit";display:block;color:#7fa4b2;text-transform:uppercase;letter-spacing:.08em;font-size:10px;margin-bottom:3px}
.patient-context-name{min-width:0}
.patient-context-name strong{display:block;font-size:23px;line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.patient-context-name span{display:block;margin-top:5px;font-size:13px;color:#c5d6dd}
.patient-context-status{display:flex;align-items:center;justify-content:flex-end;gap:8px}
.patient-context .status-pill{border-color:rgba(255,255,255,.22)}
.patient-context .is-draft{background:#ffedaa;color:#604600;border-color:#ffdf76}
.patient-context .is-final{background:#d7f0e2;color:#194c33;border-color:#b6ddc6}

/* Protocol section switcher */
.protocol-nav-wrap{position:sticky;top:var(--patient-h);z-index:80;background:rgba(238,242,245,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.protocol-nav{width:min(var(--content-max),calc(100% - 40px));margin:0 auto;padding:10px 0;display:flex;gap:8px;overflow-x:auto;scrollbar-width:thin;scroll-snap-type:x proximity}
.protocol-nav a{flex:0 0 auto;min-height:50px;padding:7px 14px 7px 9px;border:1px solid var(--line);border-radius:12px;background:#fff;color:#33414c;font-weight:750;display:inline-flex;align-items:center;gap:9px;scroll-snap-align:start;box-shadow:var(--shadow-sm)}
.protocol-nav a:hover{border-color:#afbec7;background:#fbfcfd}
.protocol-nav a.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 5px 15px rgba(18,100,122,.20)}
.protocol-nav-index{width:32px;height:32px;border-radius:9px;background:var(--surface-3);color:var(--accent-strong);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:850}
.protocol-nav a.active .protocol-nav-index{background:rgba(255,255,255,.18);color:#fff}

.protocol-page{padding-top:22px}
.protocol-page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:14px}
.protocol-page-head h1{margin-bottom:0}
.save-state{min-height:34px;padding:7px 11px;border-radius:999px;background:var(--surface-3);color:var(--text-soft);font-size:12px;font-weight:750;display:inline-flex;align-items:center;white-space:nowrap}
.save-state.is-saving{background:var(--warning-soft);color:var(--warning)}
.save-state.is-saved{background:var(--success-soft);color:var(--success)}
.save-state.is-error{background:var(--danger-soft);color:var(--danger)}
.protocol-form{padding:0;overflow:hidden}
.protocol-form>fieldset{padding:0 24px 24px!important}
.protocol-form>.form-actions{padding:0 24px 24px;margin-top:0}

/* Tabs as segmented touch controls */
.tabs{display:flex;gap:7px;overflow-x:auto;margin:0;padding:12px 14px;background:var(--surface-2);border-bottom:1px solid var(--line);scrollbar-width:thin}
.tab-btn{appearance:none;min-height:48px;padding:0 16px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--text-soft);cursor:pointer;font:inherit;font-weight:780;white-space:nowrap}
.tab-btn:hover{background:#fff;border-color:var(--line)}
.tab-btn.active{background:#fff;color:var(--accent-strong);border-color:#b9cbd3;box-shadow:var(--shadow-sm)}
.tab-panel{display:none;padding-top:2px}
.tab-panel.active{display:block}
.protocol-form .tab-panel{padding-top:22px}
.card>.tabs+.tab-panel{padding-top:22px}

.quick-log-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.quick-log{min-height:78px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:11px;text-align:left}
.timeline{display:flex;flex-direction:column;gap:9px}
.timeline-item{display:grid;grid-template-columns:82px minmax(0,1fr) auto;gap:13px;align-items:start;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff}
.timeline-time{font-weight:850;color:var(--accent-strong)}
.empty-state{padding:30px;text-align:center;color:var(--text-soft);border:1px dashed var(--line-strong);border-radius:13px;background:var(--surface-2)}

/* Previous / next area for quick protocol navigation */
.protocol-stepper{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;margin:26px 0 4px}
.protocol-stepper .step-prev{justify-self:start}
.protocol-stepper .step-next{justify-self:end}
.protocol-stepper .step-position{font-size:12px;font-weight:800;color:var(--text-faint);text-align:center;text-transform:uppercase;letter-spacing:.06em}

/* Dialogs/toasts stay inside application UI */
.toast-region{position:fixed;right:18px;bottom:18px;z-index:220;display:flex;flex-direction:column;gap:8px;max-width:min(430px,calc(100vw - 36px))}
.toast{opacity:0;transform:translateY(8px);transition:.2s;background:#17212b;color:#fff;border-radius:12px;padding:13px 16px;box-shadow:0 14px 35px rgba(0,0,0,.22)}
.toast.is-visible{opacity:1;transform:none}.toast-success{background:#1d7048}.toast-error{background:#8f2d27}
.modal-backdrop{position:fixed;inset:0;z-index:260;background:rgba(8,18,25,.56);display:grid;place-items:center;padding:20px;backdrop-filter:blur(3px)}
.modal-card{width:min(540px,100%);background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:0 24px 70px rgba(0,0,0,.28);padding:24px}
.modal-card h2{margin-top:0}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.footer{padding:24px 20px;text-align:center;color:var(--text-soft)}

/* Installer compatibility */
.install-shell{width:min(980px,calc(100% - 32px));margin:34px auto}

@media(max-width:1200px){
  .action-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .patient-context-inner{grid-template-columns:170px minmax(0,1fr) auto}
}
@media(max-width:900px){
  :root{--topbar-h:auto;--patient-h:82px}
  .topbar{height:auto;position:relative}
  .topbar-inner{width:calc(100% - 24px);min-height:62px;flex-wrap:wrap;padding:8px 0;gap:8px}
  .app-identity{min-width:0;max-width:50vw}
  .main-nav{order:3;width:100%;overflow-x:auto;padding-top:2px}
  .topbar-actions{margin-left:auto}.topbar-actions .btn{min-height:42px;padding:0 11px;font-size:13px}
  .patient-context{top:0;position:sticky}
  .patient-context-inner{width:calc(100% - 24px);min-height:82px;grid-template-columns:1fr auto;gap:5px 12px;padding:10px 0}
  .patient-context-date{grid-column:1/-1}.patient-context-name strong{font-size:20px}
  .protocol-nav-wrap{top:82px;position:sticky}
  .protocol-nav{width:calc(100% - 24px)}
  .form-grid,.form-grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quick-log-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .protocol-page-head{align-items:flex-start}
}
@media(max-width:650px){
  .container{width:calc(100% - 24px);padding:18px 0 28px}
  .topbar-actions .btn-danger-outline{display:none}
  .app-identity-text small{display:none}
  .ops-hero{align-items:flex-start;flex-direction:column}.ops-status{width:100%;text-align:left}.ops-status strong{display:inline;margin-right:8px}
  .action-grid{grid-template-columns:1fr}.action-tile{min-height:128px;padding:18px}.action-icon{margin-bottom:16px}
  .kpis{grid-template-columns:1fr 1fr}.kpis .kpi:last-child{grid-column:1/-1}
  .form-grid,.form-grid.cols-3{grid-template-columns:1fr}
  .choice-grid{grid-template-columns:1fr}
  .card,.section{padding:18px;border-radius:13px}
  .protocol-form{padding:0}.protocol-form>fieldset{padding:0 16px 18px!important}.protocol-form>.form-actions{padding:0 16px 18px}
  .tabs{padding:9px}.tab-btn{min-height:46px;padding:0 13px}
  .patient-context-inner{width:calc(100% - 20px)}
  .patient-context-status{grid-row:2;grid-column:2}.patient-context-name{grid-row:2;grid-column:1}
  .protocol-nav{width:calc(100% - 20px);padding:8px 0}.protocol-nav a{min-height:48px;padding-right:12px}.protocol-nav-index{width:30px;height:30px}
  .protocol-page-head{display:block}.save-state{margin-top:10px}
  .timeline-item{grid-template-columns:64px 1fr}.timeline-item>*:last-child{grid-column:2}
  .protocol-stepper{grid-template-columns:1fr 1fr}.protocol-stepper .step-position{display:none}.protocol-stepper .btn{width:100%}
  .modal-actions{flex-direction:column-reverse}.modal-actions .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Update center */
.system-update-banner{background:#fff3cd;border-bottom:1px solid #ead38a;color:#5b4600;font-size:14px}
.system-update-banner .container{padding:10px 0}.system-update-banner a{font-weight:800;color:inherit;text-decoration:underline}
.update-attention{border-color:#d7a51e!important;background:#fff7db!important;color:#644b00!important}
.update-status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}
.update-status-card{margin:0}.update-version{font-size:28px;font-weight:850;margin-top:4px}.status-good{color:#17643d}.status-warn{color:#9a5a00}
.update-ok{padding:14px 16px;border:1px solid #b9dcc8;background:#edf9f1;border-radius:12px;color:#185c38;font-weight:700}
.update-warning{margin:18px 0;padding:14px 16px;border:1px solid #e4cf8b;background:#fff8df;border-radius:12px;color:#604d12}
.issue-list{margin:12px 0 0;padding-left:22px}.issue-list li{margin:6px 0}
.update-steps{padding-left:22px}.update-steps li{margin:10px 0}.update-message.success{border-left:4px solid #2a8554}.update-message.error{border-left:4px solid var(--danger)}
.status-pill{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:800;background:#eef1f3}.status-pill.success{background:#e6f6ec;color:#1b6a42}.status-pill.failed{background:#fde9e7;color:#8f2d27}.status-pill.running{background:#fff3cd;color:#725900}
@media(max-width:800px){.update-status-grid{grid-template-columns:1fr}}