/* Maple Lane UI (practice lab). Plain CSS, no framework. */
:root {
  --bg: #f7f6f3; --card: #ffffff; --ink: #1f2328; --muted: #5d6470; --line: #d9dce1;
  --brand: #2f6f5e; --brand-ink: #ffffff; --warn-bg: #fff4d6; --warn-ink: #6b4e00;
  --err-bg: #fde8e8; --err-ink: #8a1c1c; --ok-bg: #e6f4ea; --ok-ink: #1e5e32; --focus: #1a5fb4;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[x-cloak] { display: none !important; }
.lab-banner { background: var(--warn-bg); color: var(--warn-ink); text-align: center; padding: 6px 16px; font-size: 13px; font-weight: 600; border-bottom: 1px solid #ecd9a0; }
header.top { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between; padding: 10px 16px; background: var(--brand); color: var(--brand-ink); }
header.top a, header.top button.link { color: var(--brand-ink); }
.brand { font-weight: 700; font-size: 17px; text-decoration: none; }
nav.areas { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; }
nav.areas a { text-decoration: none; opacity: .85; }
nav.areas a.current { opacity: 1; font-weight: 700; text-decoration: underline; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 6px 0 12px; }
h2 { font-size: 18px; margin: 18px 0 8px; }
h3 { font-size: 15px; margin: 14px 0 6px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tabs button { border: 1px solid var(--line); border-bottom: none; background: #eceef1; padding: 7px 12px; border-radius: 6px 6px 0 0; cursor: pointer; font: inherit; color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--card); font-weight: 700; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px; margin-bottom: 14px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
label { display: flex; flex-direction: column; gap: 3px; font-size: 13px; color: var(--muted); }
label.inline { flex-direction: row; align-items: center; gap: 6px; color: var(--ink); }
input, select, textarea { font: inherit; padding: 6px 8px; border: 1px solid #b9bec7; border-radius: 6px; background: #fff; color: var(--ink); min-width: 0; }
input[type="checkbox"] { width: auto; }
button { font: inherit; cursor: pointer; }
.btn { background: var(--brand); color: var(--brand-ink); border: 1px solid var(--brand); padding: 6px 12px; border-radius: 6px; }
.btn.secondary { background: #fff; color: var(--brand); }
.btn.danger { background: #fff; color: var(--err-ink); border-color: var(--err-ink); }
.btn.small { padding: 3px 8px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
button.link { background: none; border: none; padding: 0; text-decoration: underline; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.alert { padding: 9px 12px; border-radius: 6px; margin: 10px 0; word-break: break-word; }
.alert.error { background: var(--err-bg); color: var(--err-ink); border: 1px solid #f3b7b7; }
.alert.ok { background: var(--ok-bg); color: var(--ok-ink); border: 1px solid #b5dcc0; }
.hint { color: var(--muted); font-size: 13px; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--card); }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.total td { font-weight: 700; border-top: 2px solid var(--ink); }
.slots { display: flex; flex-wrap: wrap; gap: 6px; }
.slots button { border: 1px solid var(--brand); background: #fff; color: var(--brand); border-radius: 6px; padding: 5px 9px; }
.slots button[aria-pressed="true"] { background: var(--brand); color: #fff; }
.status { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 12px; background: #eceef1; }
.status.completed, .status.paid, .status.active, .status.approved { background: var(--ok-bg); color: var(--ok-ink); }
.status.cancelled, .status.no_show, .status.void, .status.voided, .status.declined, .status.refunded { background: var(--err-bg); color: var(--err-ink); }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
footer.lab { text-align: center; color: var(--muted); font-size: 12px; padding: 20px 16px 30px; }
@media (max-width: 600px) { main { padding: 12px; } th, td { padding: 5px 6px; } }