:root {
  --green: #78c91e;
  --green-d: #5fa312;
  --ink: #1a1d1a;
  --muted: #6b726b;
  --line: #e4e7e2;
  --bg: #f6f7f4;
  --card: #ffffff;
  --danger: #c0392b;
  --radius: 12px;
  --maxw: 760px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
a { color: var(--green-d); }

/* Header / footer */
.top { background: var(--ink); color: #fff; }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; flex-wrap: wrap; }
.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 1.1rem; letter-spacing: .2px; }
.brand .tag { background: var(--green); color: var(--ink); font-size: .7rem; padding: 2px 7px; border-radius: 999px; vertical-align: middle; margin-left: 4px; }
.adminnav { display: flex; gap: 14px; flex-wrap: wrap; }
.adminnav a { color: #dfe3db; text-decoration: none; font-size: .95rem; }
.adminnav a:hover { color: #fff; }
.adminnav a.muted { color: #9aa29a; }
main.wrap { padding-top: 20px; padding-bottom: 48px; }
.foot { border-top: 1px solid var(--line); color: var(--muted); margin-top: 32px; }
.foot .wrap { padding: 16px; font-size: .85rem; }

/* Headings / intro */
h1 { font-size: 1.5rem; margin: 0 0 6px; }
h2 { font-size: 1.15rem; }
.lead { color: var(--muted); margin-top: 0; }
.intro { margin-bottom: 18px; }
.section-h { margin: 26px 0 10px; padding-bottom: 6px; border-bottom: 2px solid var(--line); }
.muted { color: var(--muted); font-weight: 400; font-size: .92rem; }

/* Flash / errors */
.flash { background: #eaf6d9; border: 1px solid #c7e59a; color: #3f5d12; padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; }
.errors { background: #fdecea; border: 1px solid #f4c3bd; color: #8e2a1f; padding: 8px 14px 8px 28px; border-radius: var(--radius); margin-bottom: 16px; }
.errors ul { margin: 6px 0; padding-left: 8px; }

/* Schedule list */
.day { margin-bottom: 20px; }
.day-head { font-size: 1.05rem; color: var(--ink); background: #edefe9; padding: 8px 12px; border-radius: 8px; margin: 0 0 8px; }
.slots { list-style: none; margin: 0; padding: 0; }
.slot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; margin-bottom: 8px;
}
.slot.is-full { opacity: .6; }
.slot-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.slot-time { font-weight: 700; }
.slot-title { font-size: 1.02rem; }
.slot-meta { font-size: .85rem; color: var(--muted); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.slot-trainer { color: var(--muted); }
.slot-action { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; white-space: nowrap; }
.spots { font-size: .8rem; color: var(--green-d); font-weight: 600; }
.full-tag { font-size: .8rem; color: var(--danger); font-weight: 700; }
.pill { font-size: .68rem; text-transform: uppercase; letter-spacing: .4px; padding: 2px 7px; border-radius: 999px; font-weight: 700; }
.pill-class { background: #e6f0ff; color: #1f5bb5; }
.pill-session { background: #fdeede; color: #a65a12; }

/* Buttons */
.btn {
  display: inline-block; background: var(--green); color: var(--ink); text-decoration: none;
  border: 0; border-radius: 10px; padding: 9px 16px; font-weight: 700; font-size: .95rem; cursor: pointer;
}
.btn:hover { background: var(--green-d); color: #fff; }
.btn-big { width: 100%; padding: 13px; font-size: 1.05rem; margin-top: 8px; }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { background: #eef1ea; color: var(--ink); }
.btn-danger { background: #fdecea; color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.linkbtn { background: none; border: 0; color: var(--green-d); cursor: pointer; font: inherit; padding: 0; }
.linkbtn.danger { color: var(--danger); }
.back { text-decoration: none; color: var(--muted); }

/* Cards / forms */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.card-narrow { max-width: 440px; }
.bookform { display: flex; flex-direction: column; gap: 12px; margin-top: 10px; }
.bookform label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: .92rem; }
.bookform input, .bookform select { font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.bookform input:focus, .bookform select:focus { outline: 2px solid var(--green); border-color: var(--green); }
.chk { flex-direction: row !important; align-items: center; gap: 8px; font-weight: 500; }
.chk input { width: auto; }
.row2 { display: flex; gap: 12px; }
.row2 label { flex: 1; }
.recur { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.recur legend { font-weight: 700; font-size: .9rem; padding: 0 6px; }
.recur-fields { display: flex; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.recur-fields label { flex: 1; min-width: 150px; }

.booking-head { border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 4px; }
.booking-when { color: var(--muted); margin: 4px 0; }

/* Confirmation */
.confirm { text-align: center; max-width: 440px; margin-left: auto; margin-right: auto; }
.tick { width: 54px; height: 54px; line-height: 54px; border-radius: 50%; background: var(--green); color: #fff; font-size: 1.8rem; margin: 0 auto 10px; }
.confirm-what { font-size: 1.15rem; }

/* Admin dashboard */
.dash-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.stats { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0 20px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; flex: 1; min-width: 120px; text-align: center; }
.stat-n { display: block; font-size: 1.7rem; font-weight: 800; color: var(--green-d); }
.stat-l { font-size: .82rem; color: var(--muted); }
.roster-card { padding: 14px 16px; }
.roster-head h2 { margin: 0 0 2px; font-size: 1.05rem; }
.namelist { margin: 8px 0 0; padding-left: 20px; }
.namelist li { margin-bottom: 3px; }

/* Tables */
.tbl { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: .92rem; }
.tbl th, .tbl td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl th { background: #eef1ea; font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
.tbl tr:last-child td { border-bottom: 0; }
.row-off td { opacity: .5; }
.row-actions { white-space: nowrap; text-align: right; }
.row-actions a, .row-actions form { margin-left: 10px; }
.inline { display: inline; }

/* Bars */
.datebar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.datepick input { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; }
.searchbar { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.searchbar input { font: inherit; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; flex: 1; min-width: 180px; }
.blockform { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 14px; }
.blockform label { display: flex; flex-direction: column; gap: 4px; font-size: .85rem; font-weight: 600; }
.blockform input, .blockform select { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; }
.blockform .timebox { display: flex; gap: 8px; }

.empty { background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); padding: 24px; text-align: center; color: var(--muted); }
.manage-link { text-align: center; color: var(--muted); margin-top: 24px; font-size: .9rem; }

@media (max-width: 480px) {
  .adminnav { gap: 10px; font-size: .9rem; }
  .row2 { flex-direction: column; }
  .tbl { font-size: .86rem; }
  .tbl th:nth-child(3), .tbl td:nth-child(3) { word-break: break-all; }
}