:root{
  --teal-900:#0B4A44;
  --teal-700:#0F6B63;
  --teal-500:#17897F;
  --coral:#FF7A50;
  --coral-400:#FF9470;
  --coral-50:#FFF1EA;
  --ink:#1D2321;
  --muted:#5C635F;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E4E1DA;
  --head:"Space Grotesk",Inter,system-ui,sans-serif;
  --body:Inter,system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;max-width:100%;background:var(--paper);color:var(--ink);font-family:var(--body);overflow-x:hidden}
body.oc-shell-enhanced{min-height:100vh;display:flex;flex-direction:column}
body.oc-shell-enhanced>main{flex:1 0 auto}
h1,h2,h3,.oc-brand{font-family:var(--head);letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
.oc-accent{color:var(--coral)}
.oc-header{
  position:sticky;top:0;z-index:40;
  background:rgba(247,245,241,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.oc-header-inner,.oc-wrap{max-width:1120px;margin:0 auto;padding:14px 20px}
.oc-header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.oc-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--teal-900)}
.oc-brand svg,.oc-brand img{width:36px;height:36px;flex:0 0 auto}
.oc-brand img{object-fit:contain}
.oc-brand-text{white-space:nowrap}
.oc-btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:0;border-radius:12px;padding:11px 16px;font:700 14px/1 var(--body);cursor:pointer;
}
.oc-btn-teal{background:var(--teal-700);color:#fff}
.oc-btn-coral{background:var(--coral);color:#fff}
.oc-btn-ghost{background:#fff;border:1px solid var(--line);color:var(--teal-900)}
.oc-return{
  max-width:1120px;margin:16px auto 0;padding:0 20px;
}
.oc-return-card{
  background:var(--teal-900);color:#fff;border-radius:20px;padding:20px;
  box-shadow:0 16px 40px rgba(11,74,68,.16);
}
.oc-return-card h2{margin:0 0 6px;font-size:24px}
.oc-return-card p{margin:0 0 14px;color:#D7E5E2}
.oc-return-list{display:grid;gap:10px}
.oc-return-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:12px 14px;
}
.oc-return-row strong{display:block}
.oc-return-row span{display:block;color:#D7E5E2;font-size:12px;text-transform:capitalize}

.oc-shell-footer{flex:0 0 auto;border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px}
.oc-shell-footer .oc-wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}
.oc-shell-footer nav{display:flex;gap:14px;flex-wrap:wrap}
.oc-shell-footer a{color:var(--teal-700);font-weight:600}
.oc-shell-header-title{font-size:13px;color:var(--muted);font-weight:700}
.oc-dashboard-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:8px 0 28px}
.oc-dashboard-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 14px 36px rgba(11,74,68,.06);min-width:0}
.oc-dashboard-card h3{margin:0 0 8px;font-size:17px;color:var(--teal-900)}
.oc-dashboard-card p,.oc-dashboard-card li{font-size:14px;line-height:1.55}
.oc-dashboard-card ul{margin:8px 0 0;padding-left:18px}
.oc-dashboard-card.wide{grid-column:1/-1}
.oc-note-list{display:grid;gap:10px;margin:12px 0}
.oc-note-item{border-top:1px solid var(--line);padding-top:10px}
.oc-note-item:first-child{border-top:0;padding-top:0}
.oc-note-time{display:block;margin-top:4px;color:var(--muted);font-size:12px}
.oc-note-form{display:grid;gap:10px;margin-top:12px}
.oc-note-form textarea,.oc-upload-card input{width:100%;max-width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;font:inherit;background:#fff}
.oc-upload-card input+input{margin-top:10px}
.oc-sign-timestamp{margin-top:10px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--muted);font-size:13px}
img,video,canvas,svg{max-width:100%}
@media(max-width:760px){
  .oc-header-inner,.oc-wrap{padding-left:14px;padding-right:14px}
  .oc-header-inner{align-items:flex-start}
  .oc-dashboard-grid{grid-template-columns:1fr}
  .oc-shell-header-title{display:none}
}