:root {
  --accent: #2563eb;
  --accent-text: #fff;
  --bg: #f6f7f9;
  --card: #fff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --danger: #b91c1c;
  --ok: #15803d;
  --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: 1.5rem; } h2 { font-size: 1.2rem; } h3 { font-size: 1.05rem; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.pre { white-space: pre-wrap; }

/* ---- buttons & inputs ---- */
.btn { display: inline-block; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text); padding: .6em 1.1em; border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { filter: brightness(.93); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.secondary { background: #fff; color: var(--accent); }
.btn.danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn.small { padding: .25em .7em; font-size: .85rem; }
.btn.link, button.link { background: none; border: 0; color: var(--accent); padding: 0; cursor: pointer; font: inherit; text-decoration: underline; }
input[type=text], input[type=email], input[type=url], input[type=tel], input[type=number], input[type=date], input[type=time], input[type=password], select, textarea {
  width: 100%; padding: .55em .7em; border: 1px solid #cbd5e1; border-radius: 8px; font: inherit; background: #fff; color: var(--text);
}
textarea { min-height: 5.5em; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
label.fld { display: block; margin: 0 0 1rem; }
label.fld > .lbl { display: block; font-weight: 600; margin-bottom: .25rem; }
.req { color: var(--danger); }
.help { color: var(--muted); font-size: .85rem; margin-top: .2rem; }
.check { display: flex; gap: .5rem; align-items: flex-start; }
.check input { margin-top: .3em; }

/* ---- public form (inside the iframe) ---- */
body.embed { background: transparent; }
.form-wrap { max-width: 640px; margin: 0 auto; padding: 8px 4px 16px; }
.form-wrap h1 { margin-bottom: .25em; }
.intro { white-space: pre-wrap; color: var(--muted); margin: 0 0 1.25rem; }
.dates { border: 0; padding: 0; margin: 0 0 1.25rem; }
.dates legend { font-weight: 600; margin-bottom: .4rem; padding: 0; }
.date-opt { display: flex; gap: .7rem; align-items: center; border: 1px solid #cbd5e1; border-radius: var(--radius); padding: .65rem .8rem; margin-bottom: .5rem; background: #fff; cursor: pointer; }
.date-opt:hover { border-color: var(--accent); }
.date-opt:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.date-opt .when { font-weight: 600; }
.date-opt .left { margin-left: auto; font-size: .85rem; color: var(--muted); white-space: nowrap; }
.error-box { background: #fef2f2; border: 1px solid #fecaca; color: var(--danger); padding: .7rem .9rem; border-radius: 8px; margin-bottom: 1rem; }
.success-box { background: #f0fdf4; border: 1px solid #bbf7d0; color: #14532d; padding: 1rem 1.1rem; border-radius: var(--radius); white-space: pre-wrap; }
.notice { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.powered { max-width: 640px; margin: 0 auto; padding: 4px 4px 16px; text-align: center; }
.powered a { display: inline-flex; align-items: center; gap: .5rem; color: var(--muted); font-size: .8rem; text-decoration: none; }
.powered img { display: block; height: 24px; width: auto; }

/* ---- admin / school ---- */
.top { display: flex; align-items: center; gap: 1.5rem; padding: .75rem 1.25rem; background: #111827; color: #fff; flex-wrap: wrap; }
.top nav { display: flex; gap: 1rem; flex: 1; }
.top a { color: #d1d5db; text-decoration: none; }
.top a.active, .top a:hover { color: #fff; }
.top button.link { color: #d1d5db; }
.page { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: flex-end; }
.row > * { flex: 1 1 180px; }
.row > .shrink { flex: 0 0 auto; }
.between { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.between h1, .between h2 { margin: 0; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.login { max-width: 360px; margin: 12vh auto; }
.table-scroll { overflow-x: auto; }
table.grid { border-collapse: collapse; width: 100%; font-size: .92rem; }
table.grid th, table.grid td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.grid th { font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); white-space: nowrap; }
table.grid input, table.grid select { padding: .3em .45em; }
.pill { display: inline-block; padding: .1em .6em; border-radius: 99px; font-size: .78rem; font-weight: 600; }
.pill.open { background: #dcfce7; color: #166534; }
.pill.full { background: #fee2e2; color: #991b1b; }
.pill.past { background: #e5e7eb; color: #4b5563; }
.field-row { display: grid; grid-template-columns: 2fr 1.2fr auto auto; gap: .6rem; align-items: center; padding: .6rem; border: 1px solid var(--line); border-radius: 8px; margin-bottom: .5rem; background: #fafafa; }
.field-row .opts { grid-column: 1 / -1; }
.field-row .reqchk { display: flex; align-items: center; gap: .3rem; white-space: nowrap; }
.field-row .reqchk input { width: auto; }
.code { background: #0f172a; color: #e2e8f0; padding: .8rem 1rem; border-radius: 8px; font: .85rem/1.5 ui-monospace, Menlo, Consolas, monospace; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }
.toast { position: fixed; bottom: 1.25rem; left: 50%; transform: translate(-50%, 20px); background: #111827; color: #fff; padding: .6rem 1rem; border-radius: 8px; opacity: 0; pointer-events: none; transition: .2s; z-index: 10; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { background: var(--danger); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.stat { font-size: 1.8rem; font-weight: 700; }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr 1fr; } }