:root {
  --navy: #1B3B6B;
  --navy-800: #122747;
  --gold: #B7903E;
  --ink: #1C2530;
  --muted: #69727F;
  --line: #E4E1D8;
  --bg: #F5F3EE;
  --surface: #fff;
  --ok: #1E7A53;
  --ok-soft: #E7F1EB;
  --danger: #C0392B;
  --danger-soft: #FBEAE7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Libre Franklin', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--navy); }

/* Header */
.adm-header { background: var(--navy-800); border-bottom: 3px solid var(--gold); }
.adm-header__inner {
  max-width: 1440px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.adm-brand { color: #fff; font-weight: 700; font-size: 17px; text-decoration: none; letter-spacing: .01em; }
.adm-brand span { color: var(--gold); font-weight: 600; }
.adm-nav { display: flex; align-items: center; gap: 20px; }
.adm-nav a { color: #d7dee8; text-decoration: none; font-weight: 500; font-size: 14px; }
.adm-nav a:hover { color: #fff; }
.adm-logout { margin: 0; }
.adm-link-btn { background: none; border: 0; color: #d7dee8; font: inherit; font-weight: 500; cursor: pointer; padding: 0; }
.adm-link-btn:hover { color: #fff; }

/* Main */
.adm-main { max-width: 1440px; margin: 0 auto; padding: 28px 24px 60px; }
h1 { font-size: 24px; color: var(--navy-800); margin: 0 0 18px; }
h3 { font-size: 15px; color: var(--navy-800); margin: 0 0 10px; }
.adm-muted { color: var(--muted); font-size: 13.5px; }
.adm-mono { font-variant-numeric: tabular-nums; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.adm-nowrap { white-space: nowrap; }

.adm-head-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Cards */
.adm-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px 22px; margin: 0 0 18px;
  box-shadow: 0 1px 2px rgba(20,40,72,.05);
}
.adm-empty { text-align: center; color: var(--muted); }
.adm-login { max-width: 380px; margin: 48px auto 0; }
.adm-portal { max-width: 380px; margin: 18px auto 0; }
.adm-portal h2 { font-size: 16px; color: var(--navy-800); margin: 0 0 10px; }
.adm-portal a { font-weight: 600; }

/* Forms */
.adm-label { display: block; font-size: 13px; font-weight: 600; color: var(--ink); margin: 14px 0 6px; }
.adm-input {
  width: 100%; font: inherit; padding: 10px 12px; border: 1px solid #d8dbe2; border-radius: 8px;
  background: #fff; color: var(--ink); outline: none;
}
.adm-input:focus { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(27,59,107,.16); }
.adm-textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; line-height: 1.5; resize: vertical; }

.adm-btn {
  display: inline-block; margin-top: 16px; border: 0; border-radius: 8px;
  background: var(--navy); color: #fff; font: inherit; font-weight: 600;
  padding: 11px 20px; cursor: pointer; text-decoration: none;
}
.adm-btn:hover { background: var(--navy-800); }
.adm-btn--sm { margin-top: 0; padding: 8px 14px; font-size: 13.5px; }

/* Stats */
.adm-stats { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 20px; }
.adm-stat {
  flex: 1 1 130px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; display: flex; flex-direction: column; gap: 4px;
}
.adm-stat__n { font-size: 22px; font-weight: 700; color: var(--navy-800); }
.adm-stat__l { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.adm-stat--paid { border-left: 3px solid var(--ok); }
.adm-stat--out { border-left: 3px solid var(--gold); }

/* Tabs */
.adm-tabs { display: flex; gap: 6px; margin: 0 0 14px; }
.adm-tabs a {
  padding: 7px 14px; border-radius: 999px; text-decoration: none; font-size: 13.5px;
  color: var(--muted); border: 1px solid var(--line); background: #fff;
}
.adm-tabs a.is-active { background: var(--navy); color: #fff; border-color: var(--navy); }

/* Table */
.adm-table-actions { display: flex; align-items: center; gap: 14px; margin-bottom: 10px; flex-wrap: wrap; }
.adm-table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.adm-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.adm-table th, .adm-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #EDEBE4; vertical-align: top; }
.adm-table th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); background: #FAF8F3; position: sticky; top: 0; }
.adm-table td.num, .adm-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.adm-table tr:last-child td { border-bottom: 0; }
.adm-table td a { margin-right: 8px; }
.adm-table--mini { border: 1px solid var(--line); border-radius: 8px; }

.adm-copy { background: none; border: 1px solid var(--line); border-radius: 6px; font: inherit; font-size: 12px; padding: 2px 8px; cursor: pointer; color: var(--navy); margin-right: 8px; }
.adm-copy:hover { background: #f3f1ea; }

.adm-send-receipt { background: none; border: 1px solid var(--line); border-radius: 6px; font: inherit; font-size: 12px; padding: 2px 8px; cursor: pointer; color: var(--navy); }
.adm-send-receipt:hover:not(:disabled) { background: #f3f1ea; }
.adm-send-receipt:disabled { opacity: .7; cursor: default; }

.adm-badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.adm-badge--paid { background: var(--ok-soft); color: var(--ok); }
.adm-badge--out { background: #F0E7D2; color: #8a6d28; }
.adm-badge--fail { background: var(--danger-soft); color: var(--danger); }

/* Expandable row detail (Attempts, Visits) */
.adm-row-toggle {
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: 1px solid var(--line); border-radius: 6px;
  font: inherit; font-size: 12px; font-weight: 600; padding: 2px 8px; cursor: pointer; color: var(--navy);
}
.adm-row-toggle:hover { background: #f3f1ea; }
.adm-row-toggle.has-fail { color: var(--danger); border-color: #efc7c0; }
.adm-row-toggle__caret { font-size: 10px; transition: transform .12s ease; }
.adm-row-toggle.is-open .adm-row-toggle__caret { transform: rotate(90deg); }
.adm-detail-row > td { background: #FAF8F3; padding: 12px; }
.adm-detail-table { background: var(--surface); margin: 0; }
.adm-detail-table th { background: #fff; }
.adm-detail-table .ua { max-width: 420px; white-space: normal; word-break: break-word; color: var(--muted); font-size: 12.5px; }

/* Alerts */
.adm-alert { border-radius: 8px; padding: 12px 16px; margin: 0 0 18px; font-size: 14px; }
.adm-alert--ok { background: var(--ok-soft); color: #155F40; border: 1px solid #C5E0CF; }
.adm-alert--error { background: var(--danger-soft); color: #92271b; border: 1px solid #efc7c0; }

.adm-errlist { margin: 0; padding-left: 18px; font-size: 13px; color: var(--muted); }
.adm-errlist li { margin: 2px 0; }

.adm-pre {
  background: #0D1F3C; color: #e7ecf3; border-radius: 8px; padding: 14px 16px; overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; line-height: 1.5;
}
code { background: #f0ede4; padding: 1px 6px; border-radius: 4px; font-size: 12.5px; }