:root {
  --green: #1f7a4d;
  --green-dark: #155c39;
  --lime: #c8e64a;
  --ink: #17221c;
  --muted: #5d6b63;
  --line: #e1e7e3;
  --bg: #f6f8f5;
  --card: #ffffff;
  --danger: #c0392b;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--green); }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
main { flex: 1; padding-top: 28px; padding-bottom: 48px; }

/* Top bar */
.topbar { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 12px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none; }
.ball {
  width: 24px; height: 24px; border-radius: 50%; background: var(--lime);
  background-image: radial-gradient(circle at 30% 30%, #0002 2px, transparent 3px),
    radial-gradient(circle at 70% 40%, #0002 2px, transparent 3px),
    radial-gradient(circle at 45% 72%, #0002 2px, transparent 3px);
  box-shadow: inset -3px -3px 0 #0001;
}
#nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
#nav a { text-decoration: none; color: var(--ink); font-weight: 500; padding: 8px 12px; border-radius: 8px; font-size: 15px; }
#nav a:hover { background: var(--bg); }
#nav .hello { color: var(--muted); font-size: 14px; padding: 0 6px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid transparent; border-radius: 10px; padding: 10px 18px;
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  background: var(--green); color: #fff; transition: background .15s;
}
.btn:hover { background: var(--green-dark); }
.btn.secondary { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn.secondary:hover { background: var(--bg); }
.btn.danger { background: var(--card); color: var(--danger); border-color: #f0c9c4; }
.btn.danger:hover { background: #fdf0ee; }
.btn.small { padding: 6px 12px; font-size: 14px; }
#nav a.btn { color: #fff; }
#nav a.btn:hover { background: var(--green-dark); }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--green) 0%, #2a9a62 100%);
  color: #fff; border-radius: 20px; padding: 56px 40px; margin-bottom: 36px; position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px;
  border-radius: 50%; background: var(--lime); opacity: .25;
}
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.1; margin: 0 0 12px; max-width: 640px; }
.hero p { font-size: 18px; opacity: .92; margin: 0 0 28px; max-width: 560px; }
.searchbar { display: flex; gap: 8px; background: #fff; padding: 8px; border-radius: 14px; max-width: 720px; position: relative; z-index: 1; }
.searchbar input { flex: 1; border: 0; padding: 10px 12px; font: inherit; min-width: 0; outline: none; color: var(--ink); }
.searchbar input + input { border-left: 1px solid var(--line); }

.roles { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-bottom: 40px; }
.role-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.role-card h3 { margin: 0 0 8px; font-size: 20px; }
.role-card p { color: var(--muted); margin: 0 0 18px; }

h2.section { font-size: 22px; margin: 0 0 16px; }

/* Court cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.court-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 10px;
  text-decoration: none; color: inherit; transition: transform .12s, box-shadow .12s;
}
a.court-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.09); }
.court-card h3 { margin: 0; font-size: 18px; }
.court-card .loc { color: var(--muted); font-size: 14px; }
.court-card .price { font-weight: 700; color: var(--green); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { background: #eef5f0; color: var(--green-dark); font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.tag.lime { background: #f2f9d6; color: #4f5f0c; }
.card-actions { display: flex; gap: 8px; margin-top: auto; padding-top: 6px; }

/* Search layout */
.search-layout { display: grid; grid-template-columns: 260px 1fr; gap: 24px; align-items: start; }
.filters { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; position: sticky; top: 84px; }
.filters h3 { margin: 0 0 14px; font-size: 16px; }
.results-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }
.results-head .count { color: var(--muted); }

/* Forms */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 32px; box-shadow: var(--shadow); }
.narrow { max-width: 460px; margin: 0 auto; }
.medium { max-width: 760px; margin: 0 auto; }
.panel h1 { margin: 0 0 6px; font-size: 26px; }
.panel .sub { color: var(--muted); margin: 0 0 24px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; min-width: 0; }
.field label, .label { font-weight: 600; font-size: 14px; }
.field input, .field select, .field textarea {
  font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink);
  width: 100%; min-width: 0;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid #bfe3cf; border-color: var(--green); }
.field textarea { min-height: 100px; resize: vertical; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.row3 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 14px; }
.check { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-size: 15px; }
.check input { width: 18px; height: 18px; accent-color: var(--green); }
.hint { color: var(--muted); font-size: 13px; }
.error { background: #fdf0ee; color: var(--danger); padding: 10px 14px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }

.role-picker { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 18px; }
.role-picker label {
  border: 2px solid var(--line); border-radius: 12px; padding: 14px; cursor: pointer; text-align: center; font-weight: 600;
}
.role-picker label small { display: block; font-weight: 400; color: var(--muted); font-size: 13px; margin-top: 2px; }
.role-picker input { display: none; }
.role-picker input:checked + label { border-color: var(--green); background: #eef5f0; }

/* Court detail */
.detail-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.detail-head h1 { margin: 0 0 4px; font-size: 32px; }
.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--line); gap: 12px; }
.info-list li span:first-child { color: var(--muted); }
.info-list li span:last-child { font-weight: 600; text-align: right; }
.back { display: inline-block; margin-bottom: 16px; text-decoration: none; font-weight: 500; }

.dash-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
.dash-head h1 { margin: 0; }
.empty { text-align: center; padding: 48px 20px; color: var(--muted); background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); }

/* Admin */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; color: var(--muted); font-size: 14px; }
.stat span { display: block; font-size: 30px; font-weight: 800; color: var(--ink); line-height: 1.1; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; overflow-x: auto; }
.tabs a { padding: 10px 16px; text-decoration: none; color: var(--muted); font-weight: 600; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a.active { color: var(--green); border-bottom-color: var(--green); }
.admin-search { display: flex; gap: 8px; margin-bottom: 16px; max-width: 480px; }
.admin-search input { flex: 1; min-width: 0; font: inherit; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th { text-align: left; color: var(--muted); font-weight: 600; font-size: 13px; background: var(--bg); }
.admin-table th, .admin-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table td:last-child { text-align: right; }
.branding { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; align-items: start; }
.branding .panel { padding: 24px; }
.logo-preview {
  display: flex; align-items: center; gap: 10px; min-height: 96px; padding: 16px; margin: 12px 0 16px;
  background: var(--bg); border: 1px dashed var(--line); border-radius: var(--radius);
}
.logo-preview img { max-height: 64px; max-width: 100%; object-fit: contain; }
.logo-img { height: 32px; width: auto; max-width: 160px; object-fit: contain; }

/* Booking & open play */
.btn.lime { background: var(--lime); color: var(--ink); }
.btn.lime:hover { background: #b6d43a; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.center { text-align: center; justify-content: center; }
.big-icon { font-size: 44px; }
.book-layout { display: grid; grid-template-columns: minmax(280px, 380px) 1fr; gap: 20px; align-items: start; }
.book-layout .panel { padding: 22px; }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-grid .dow { text-align: center; font-size: 12px; color: var(--muted); font-weight: 600; padding-bottom: 4px; }
.cal-grid button {
  aspect-ratio: 1; border: 1px solid transparent; border-radius: 10px; background: var(--bg);
  font: inherit; font-weight: 600; cursor: pointer; color: var(--ink);
}
.cal-grid button:hover:not(:disabled) { border-color: var(--green); }
.cal-grid button.today { border-color: var(--lime); }
.cal-grid button.selected { background: var(--green); color: #fff; }
.cal-grid button:disabled { background: transparent; color: #c3ccc6; cursor: default; }
.seg { display: flex; gap: 6px; flex-wrap: wrap; }
.seg button, .slots button {
  font: inherit; font-size: 14px; font-weight: 600; padding: 8px 12px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}
.seg button.active, .slots button.selected { background: var(--green); border-color: var(--green); color: #fff; }
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 6px; margin: 8px 0 18px; }
.slots button:hover:not(:disabled) { border-color: var(--green); }
.slots button:disabled { background: var(--bg); color: #aab4ae; cursor: not-allowed; }
.slots button small { display: block; font-size: 11px; font-weight: 500; }
.summary:not(:empty) { background: #eef5f0; border-radius: 10px; padding: 10px 14px; margin-bottom: 12px; }
.pill { display: inline-block; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.pill.pending { background: #fff4d6; color: #7a5a00; }
.pill.approved { background: #e1f4e8; color: var(--green-dark); }
.pill.declined, .pill.cancelled { background: #f1f2f1; color: var(--muted); }
.count-badge { background: var(--danger); color: #fff; border-radius: 999px; font-size: 12px; padding: 1px 7px; margin-left: 4px; }
.tag.full { background: #fdf0ee; color: var(--danger); }
.list { display: flex; flex-direction: column; gap: 10px; }
.list.muted { opacity: .7; }
.list-row {
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px;
}
.row-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sessions { display: flex; flex-direction: column; gap: 12px; }
.session {
  display: flex; gap: 16px; align-items: center; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow);
}
.session-date {
  display: flex; flex-direction: column; align-items: center; min-width: 64px; padding: 8px;
  background: #eef5f0; border-radius: 12px; color: var(--green-dark); font-size: 12px; font-weight: 600; text-transform: uppercase;
}
.session-date strong { font-size: 26px; line-height: 1.1; }
.session-body { flex: 1; min-width: 0; }
.session-body h3 { margin: 2px 0 8px; font-size: 18px; }
.session-body p { margin: 8px 0 0; }
.session-actions { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }
.attendees { margin-top: 8px; font-size: 14px; }
.openplay-layout { display: grid; grid-template-columns: minmax(280px, 360px) 1fr; gap: 20px; align-items: start; }
.openplay-layout .panel { padding: 22px; }

.footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 20px 0; background: var(--card); }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 10px; box-shadow: var(--shadow); z-index: 50;
}

@media (max-width: 800px) {
  .search-layout, .detail-grid, .book-layout, .openplay-layout { grid-template-columns: 1fr; }
  .session { flex-wrap: wrap; }
  .session-actions { flex-direction: row; width: 100%; justify-content: flex-end; }
  .filters { position: static; }
  .hero { padding: 36px 22px; }
  .searchbar { flex-direction: column; }
  .searchbar input + input { border-left: 0; border-top: 1px solid var(--line); }
  .row, .row3 { grid-template-columns: 1fr; }
  .panel { padding: 22px; }
  .topbar-inner { height: auto; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; }
}