:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #1f2430;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #4f46e5;
  --brand-ink: #ffffff;
  --ok-bg: #ecfdf5; --ok-line: #86efac;
  --warn-bg: #fffbeb; --warn-line: #fcd34d;
  --danger: #dc2626;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 700; font-size: 17px; }
.topbar nav { display: flex; gap: 18px; }
.container { max-width: 1100px; margin: 24px auto; padding: 0 20px; }

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 28px 0 12px; }

.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; }
.flash.ok { background: var(--ok-bg); border: 1px solid var(--ok-line); }
.flash.warn { background: var(--warn-bg); border: 1px solid var(--warn-line); }
.flash ul { margin: 6px 0 0; padding-left: 20px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.card.subtle, .subscribe { background: #fbfbfd; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 13px; margin-top: 10px; }

code.ics { display: inline-block; background: #f1f5f9; border: 1px solid var(--line);
  border-radius: 6px; padding: 4px 8px; font-size: 12px; word-break: break-all; }
code.ics.small { font-size: 11px; padding: 2px 5px; }

.legend { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

.details { margin-top: 16px; }

/* tables */
table.grid { width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
table.grid th, table.grid td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.grid th { background: #fafafb; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
table.grid tr:last-child td { border-bottom: none; }
tr.inactive { opacity: .5; }
tr.st-cancelled td { text-decoration: line-through; color: var(--muted); }
tr.st-confirmed td:first-child { box-shadow: inset 3px 0 0 #16a34a; }

.row-actions { display: flex; gap: 10px; align-items: center; white-space: nowrap; }

/* buttons */
.btn { display: inline-block; padding: 8px 14px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); cursor: pointer; font-size: 14px; }
.btn:hover { text-decoration: none; border-color: #cbd5e1; }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
button.link { background: none; border: none; color: var(--brand); cursor: pointer; padding: 0; font-size: 14px; }
button.link.danger, .danger { color: var(--danger); }

/* forms */
.admin-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.tabs { display: flex; gap: 14px; align-items: center; }
.tabs a.active { font-weight: 600; color: var(--ink); }

.form { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.form.inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.form .row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); flex: 1; min-width: 160px; }
.form input, .form select, .form textarea {
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; color: var(--ink); background: #fff;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid #c7d2fe; border-color: var(--brand); }
fieldset { border: 1px solid var(--line); border-radius: 10px; margin: 14px 0; padding: 12px 14px; }
legend { font-size: 13px; color: var(--muted); padding: 0 6px; }
.checkgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 8px; }
.checkrow { display: flex; gap: 8px; align-items: center; }
.checkrow select { flex: 0 0 140px; }
label.chk { flex-direction: row; align-items: center; gap: 6px; color: var(--ink); }
.actions { display: flex; gap: 10px; margin-top: 16px; }

#calendar { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }

.cred-form { display: flex; gap: 5px; align-items: center; margin-top: 4px; flex-wrap: wrap; }
.cred-form input { padding: 4px 7px; border: 1px solid var(--line); border-radius: 6px; font-size: 12px; width: 110px; }

.login-wrap { max-width: 420px; margin: 0 auto; }
.login-wrap .form { margin-bottom: 14px; }
.divider { text-align: center; color: var(--muted); font-size: 13px; margin: 14px 0; position: relative; }
.divider::before, .divider::after { content: ""; position: absolute; top: 50%; width: 42%; height: 1px; background: var(--line); }
.divider::before { left: 0; } .divider::after { right: 0; }

@media (max-width: 640px) {
  .container { padding: 0 12px; }
  table.grid { display: block; overflow-x: auto; }
}