/* shell.css — shared visual language across every screen.
   Derived from admin.html's dark theme so the whole system reads as
   one product, not twenty separately-styled pages. */
:root {
  --bg:#0b0d12; --card:#151822; --line:#262b38; --text:#e8eaf0; --muted:#8a90a3;
  --accent:#4f7cff; --danger:#ff5470; --success:#3ecf8e; --warn:#ffb454;
}
* { box-sizing: border-box; }
body { margin:0; font-family: -apple-system, Segoe UI, Roboto, sans-serif; background:var(--bg); color:var(--text); padding-bottom: 60px; }

.shell-header { padding:16px; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; align-items:center; position:sticky; top:0; background:var(--bg); z-index:10; }
.shell-header h1 { font-size:16px; margin:0; }
.shell-userchip { font-size:12px; color:var(--muted); }

.shell-nav { display:flex; gap:4px; overflow-x:auto; padding:8px 16px; border-bottom:1px solid var(--line); background:var(--bg); position:sticky; top:53px; z-index:9; -webkit-overflow-scrolling: touch; }
.shell-nav a { flex-shrink:0; font-size:12px; padding:6px 10px; border-radius:6px; color:var(--muted); text-decoration:none; white-space:nowrap; }
.shell-nav a.active { background:var(--accent); color:#fff; }

main { padding:16px; max-width:900px; margin:0 auto; }
.card { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:16px; margin-bottom:16px; }

table { width:100%; border-collapse:collapse; font-size:13px; }
th { text-align:left; color:var(--muted); font-weight:500; font-size:11px; text-transform:uppercase; letter-spacing:0.03em; padding:8px; border-bottom:1px solid var(--line); }
td { padding:8px; border-bottom:1px solid var(--line); }
tr:last-child td { border-bottom:none; }

label { display:block; font-size:12px; color:var(--muted); margin-bottom:4px; margin-top:12px; }
label:first-child { margin-top:0; }
select, input[type=text], input[type=email], input[type=number], input[type=date], textarea {
  width:100%; background:#0f1219; color:var(--text); border:1px solid var(--line); border-radius:8px;
  padding:10px; font-size:14px; font-family:inherit;
}
textarea { resize:vertical; min-height:60px; }

button { background:var(--accent); color:#fff; border:none; border-radius:8px; padding:10px 16px; font-size:14px; cursor:pointer; }
button.ghost { background:transparent; border:1px solid var(--line); color:var(--text); }
button.danger { background:var(--danger); }
button.success { background:var(--success); color:#0b0d12; }
button:disabled { opacity:0.5; cursor:not-allowed; }

.badge { font-size:11px; padding:2px 8px; border-radius:999px; border:1px solid var(--line); color:var(--muted); display:inline-block; }
.badge.draft { color:var(--warn); border-color:#ffb45455; }
.badge.confirmed { color:var(--success); border-color:#3ecf8e55; }
.badge.void { color:var(--danger); border-color:#ff547055; }

.row-flex { display:flex; gap:8px; flex-wrap:wrap; align-items:flex-end; }
.row-flex > * { flex:1; min-width:120px; }

#toast { position:fixed; bottom:16px; left:16px; right:16px; text-align:center; z-index:100; }
#toast span { display:inline-block; background:var(--card); border:1px solid var(--line); padding:10px 16px; border-radius:8px; font-size:13px; max-width:90vw; }
#toast span.error { border-color:var(--danger); }

.hidden { display:none !important; }
.muted { color:var(--muted); font-size:12px; }
.empty-state { text-align:center; padding:40px 16px; color:var(--muted); }

@media (min-width: 640px) {
  .shell-nav { top:57px; }
}