/* PayPortal UI */
:root {
  --bg: #f3f5f9;
  --card: #ffffff;
  --ink: #1c2333;
  --muted: #68748c;
  --line: #e2e7f0;
  --accent: #2b59ff;
  --accent-dark: #1e42c8;
  --green: #0e9f6e;
  --red: #d64545;
  --amber: #c27803;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Top bar */
.topbar { background: #101728; color: #fff; }
.topbar-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; gap: 24px; height: 58px;
}
.topbar .brand { font-weight: 700; font-size: 17px; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
  color: #c6cede; padding: 6px 12px; border-radius: 6px; text-decoration: none; font-size: 14px;
}
.topbar nav a:hover { background: #1d2740; color: #fff; }
.topbar nav a.active { background: var(--accent); color: #fff; }
.userbox { display: flex; align-items: center; gap: 12px; font-size: 14px; }
.userbox small { color: #93a0ba; }

.container { max-width: 1100px; margin: 28px auto; padding: 0 20px; }
.pagefoot { text-align: center; color: var(--muted); padding: 24px 0 40px; }

h1 { font-size: 24px; margin: 0 0 18px; }
h2 { font-size: 18px; margin: 0 0 12px; }

/* Cards */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; margin-bottom: 22px;
}
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 800px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.stat { text-align: left; }
.stat .num { font-size: 26px; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 13px; }

/* Tables */
table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td {
  text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 14px;
  vertical-align: top;
}
table.list th { color: var(--muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .03em; }
table.list tr:last-child td { border-bottom: none; }

/* Forms */
label { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 4px; }
label .hint { font-weight: 400; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=url],
select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid #c9d2e0; border-radius: 8px;
  font-size: 14px; font-family: inherit; background: #fff; color: var(--ink);
}
textarea { min-height: 90px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
input:focus, select:focus, textarea:focus { outline: 2px solid #bcd0ff; border-color: var(--accent); }
.formrow { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
@media (max-width: 640px) { .formrow { grid-template-columns: 1fr; } }

/* Buttons */
.btn {
  display: inline-block; background: var(--accent); color: #fff !important; border: none;
  padding: 10px 18px; border-radius: 8px; font-size: 14px; font-weight: 600;
  cursor: pointer; text-decoration: none !important;
}
.btn:hover { background: var(--accent-dark); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; border-radius: 6px; }
.btn-outline { background: transparent; border: 1px solid #55617e; color: #d4dbe8 !important; }
.btn-outline:hover { background: #1d2740; }
.btn-light { background: #eef1f7; color: var(--ink) !important; border: 1px solid var(--line); }
.btn-light:hover { background: #e2e7f0; }
.btn-danger { background: var(--red); }
.btn-danger:hover { background: #b53434; }
.btn-green { background: var(--green); }
.btn-green:hover { background: #0b7f58; }

/* Badges */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-pending { background: #fdf3d8; color: var(--amber); }
.badge-paid { background: #d9f2e5; color: var(--green); }
.badge-cancelled { background: #f1f2f5; color: var(--muted); }
.badge-admin { background: #e2e9ff; color: var(--accent); }
.badge-staff { background: #f1f2f5; color: var(--muted); }
.badge-on { background: #d9f2e5; color: var(--green); }
.badge-off { background: #fbe3e3; color: var(--red); }

/* Flash */
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; }
.flash-success { background: #d9f2e5; color: #085e41; }
.flash-error { background: #fbe3e3; color: #8c2626; }
.flash-info { background: #e2e9ff; color: #1e3a9f; }

/* Login + public pay page */
.center-wrap {
  min-height: 92vh; display: flex; align-items: center; justify-content: center; padding: 20px;
}
.auth-card, .pay-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 34px; width: 100%; max-width: 420px; box-shadow: 0 10px 30px rgba(16,23,40,.08);
}
.pay-card { max-width: 480px; }
.pay-brand {
  display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--line); padding-bottom: 14px; margin-bottom: 16px;
}
.pay-brand img { max-height: 46px; max-width: 180px; object-fit: contain; }
.pay-brand-name { font-weight: 700; font-size: 16px; }
.auth-card h1, .pay-card h1 { font-size: 21px; }
.pay-amount { font-size: 34px; font-weight: 800; margin: 6px 0 2px; }
.pay-desc { color: var(--muted); margin-bottom: 14px; white-space: pre-line; }
.pay-meta { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 14px; font-size: 13px; color: var(--muted); }
.copybox {
  display: flex; gap: 8px; align-items: center; background: #f4f6fb;
  border: 1px dashed #c9d2e0; padding: 8px 10px; border-radius: 8px; font-size: 13px;
  word-break: break-all;
}
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
.muted { color: var(--muted); }
.mt { margin-top: 16px; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
details.help { margin-top: 10px; }
details.help summary { cursor: pointer; color: var(--accent); font-size: 13.5px; }
details.help .card { margin-top: 10px; background: #f8fafd; }
code.ph { background: #eef1f7; padding: 1px 6px; border-radius: 5px; font-size: 12.5px; }