:root{
  --blue:#1a5fb4;
  --blue-dark:#134a8f;
  --bg:#f4f6f9;
  --card:#ffffff;
  --border:#d9dee5;
  --text:#1c2530;
  --muted:#6b7684;
  --green:#1e8e50;
  --amber:#b5750a;
  --red:#c62828;
  --radius:8px;
}
*{box-sizing:border-box;}
body{
  margin:0; font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--text);
}
header{
  background:var(--blue); color:#fff; padding:14px 24px;
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px;
}
header h1{ font-size:18px; margin:0; font-weight:600; }
header .nav-btns{ display:flex; align-items:center; gap:8px; }
header .user-badge{ font-size:12px; opacity:.85; margin-right:6px; }
header button{
  background:rgba(255,255,255,0.15); color:#fff; border:1px solid rgba(255,255,255,0.4);
  padding:8px 14px; border-radius:6px; cursor:pointer; font-size:13px; font-weight:600;
}
header button:hover{ background:rgba(255,255,255,0.28); }
header button.active{ background:#fff; color:var(--blue); }

main{ max-width:960px; margin:0 auto; padding:24px 16px 60px; }

.home-cards{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:8px; }
@media (max-width:640px){ .home-cards{ grid-template-columns:1fr; } }
.home-card{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:28px 20px; text-align:center; cursor:pointer; transition:box-shadow .15s, transform .15s;
}
.home-card:hover{ box-shadow:0 4px 14px rgba(0,0,0,0.08); transform:translateY(-1px); }
.home-card .icon{ font-size:34px; margin-bottom:10px; }
.home-card h2{ margin:0 0 6px; font-size:17px; }
.home-card p{ margin:0; color:var(--muted); font-size:13px; }
.home-stats{
  margin-top:22px; background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:14px 18px; font-size:13px; color:var(--muted); display:flex; gap:22px; flex-wrap:wrap;
}
.home-stats b{ color:var(--text); font-size:16px; display:block; }

.panel{ background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; margin-top:16px; }
.panel h2{ margin:0 0 4px; font-size:16px; }
.panel .sub{ color:var(--muted); font-size:12.5px; margin-bottom:16px; }

.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:12px 16px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:4px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-size:12px; font-weight:600; color:var(--muted); text-transform:uppercase; letter-spacing:.03em; }
.field input[type=text], .field input[type=date], .field input[type=tel], .field input[type=email], .field textarea, .field select{
  padding:8px 10px; border:1px solid var(--border); border-radius:6px; font-size:14px; font-family:inherit;
  background:#fff; color:var(--text);
}
.field textarea{ resize:vertical; min-height:56px; }
.yn-group{ display:flex; gap:14px; align-items:center; height:36px; }
.yn-group label{ font-weight:500; text-transform:none; font-size:13.5px; color:var(--text); display:flex; align-items:center; gap:5px; }

.actions-row{ display:flex; justify-content:flex-end; gap:10px; margin-top:20px; }
.btn{ padding:9px 18px; border-radius:6px; border:1px solid var(--border); background:#fff; cursor:pointer; font-size:13.5px; font-weight:600; color:var(--text); }
.btn:hover{ background:#f0f2f5; }
.btn-primary{ background:var(--blue); border-color:var(--blue); color:#fff; }
.btn-primary:hover{ background:var(--blue-dark); }
.btn-danger{ background:#fff; border-color:var(--red); color:var(--red); }
.btn-danger:hover{ background:#fdecea; }
.btn[disabled]{ opacity:.6; cursor:default; }

.search-row{ display:flex; gap:10px; margin-bottom:14px; }
.search-row input{ flex:1; padding:10px 12px; border:1px solid var(--border); border-radius:6px; font-size:14px; }

table{ width:100%; border-collapse:collapse; font-size:13.5px; }
th{ text-align:left; padding:8px 10px; color:var(--muted); font-size:11.5px; text-transform:uppercase; letter-spacing:.03em; border-bottom:1px solid var(--border); }
td{ padding:10px; border-bottom:1px solid #eef0f3; cursor:pointer; }
tr:hover td{ background:#f6f8fb; }
.empty-row td{ cursor:default; color:var(--muted); text-align:center; padding:26px; }

.badge{ display:inline-block; padding:3px 9px; border-radius:20px; font-size:11.5px; font-weight:700; }
.badge-open{ background:#e8f0fe; color:var(--blue); }
.badge-quote{ background:#fdf3e0; color:var(--amber); }
.badge-ordered{ background:#eae6fb; color:#5c3fb8; }
.badge-shipped{ background:#e3f6ea; color:var(--green); }
.badge-billed{ background:#eceff1; color:#546069; }

.notes-list{ display:flex; flex-direction:column; gap:8px; margin-bottom:10px; max-height:220px; overflow-y:auto; }
.note-item{ background:#f6f8fb; border:1px solid #eef0f3; border-radius:6px; padding:8px 10px; font-size:13px; }
.note-item .meta{ color:var(--muted); font-size:11px; margin-bottom:2px; }
.note-add{ display:flex; gap:8px; }
.note-add input{ flex:1; padding:8px 10px; border:1px solid var(--border); border-radius:6px; font-size:13.5px; }

.status-row{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:6px; }
.status-row select{ padding:8px 10px; border:1px solid var(--border); border-radius:6px; font-size:13.5px; }

.toast{
  position:fixed; bottom:22px; left:50%; transform:translateX(-50%);
  background:var(--text); color:#fff; padding:10px 18px; border-radius:6px; font-size:13.5px;
  opacity:0; pointer-events:none; transition:opacity .2s; z-index:50;
}
.toast.show{ opacity:1; }

.link-back{ background:none; border:none; color:var(--blue); font-size:13px; cursor:pointer; padding:0; margin-bottom:12px; font-weight:600; }

.logged-by{ color:var(--muted); font-size:12px; margin-bottom:10px; }