/* ──────────────────────────────────────────────────────
   Tehiru External Management — Admin UI
   Dark editorial aesthetic matching plan-mini-3
   ────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&family=Roboto+Mono:wght@400;500&display=swap');

:root {
  --bg:        #1A1A1A;
  --bg2:       #222222;
  --bg3:       #2A2A2A;
  --border:    #333333;
  --gold:      #B8A88A;
  --gold-dim:  #8A7E6A;
  --cream:     #F0ECE6;
  --white:     #FFFFFF;
  --muted:     #888888;
  --red:       #C0392B;
  --green:     #27AE60;
  --radius:    0px;
  --font-head: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'Roboto Mono', 'Courier New', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── HEADER ── */
.header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  height: 56px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-logo {
  height: 28px;
  width: auto;
  filter: brightness(0.9);
}

.header-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

.header-user {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
}

/* ── MAIN LAYOUT ── */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* ── TOOLBAR ── */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.toolbar-title {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 600;
  color: var(--cream);
}

.toolbar-sub {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold);
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
}

.btn:hover { background: var(--gold); color: var(--bg); }

.btn-sm { padding: 5px 10px; font-size: 11px; }

.btn-danger { border-color: var(--red); color: var(--red); }
.btn-danger:hover { background: var(--red); color: var(--white); }

.btn-muted { border-color: var(--border); color: var(--muted); }
.btn-muted:hover { background: var(--border); color: var(--cream); }

/* ── STATS BAR ── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.stat-cell {
  background: var(--bg2);
  padding: 16px 20px;
}

.stat-cell-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.stat-cell-value {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

/* ── TABLE ── */
.table-wrap {
  border: 1px solid var(--border);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 12px 16px;
  text-align: left;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg2); }

td {
  padding: 12px 16px;
  vertical-align: middle;
  white-space: nowrap;
}

.td-name { color: var(--cream); font-weight: 500; }
.td-company { color: var(--muted); font-size: 13px; }
.td-mono { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.td-gold { color: var(--gold); font-weight: 600; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid;
}

.badge-active { border-color: var(--gold); color: var(--gold); }
.badge-revoked { border-color: var(--red); color: var(--red); }
.badge-shared { background: #B83A3A; color: #fff; border-color: #B83A3A; }

.actions { display: flex; gap: 8px; align-items: center; }

/* Copy link button */
.copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.copy-btn:hover { border-color: var(--gold); color: var(--gold); }
.copy-btn.copied { border-color: var(--green); color: var(--green); }

/* ── EMPTY STATE ── */
.empty {
  text-align: center;
  padding: 64px 24px;
  color: var(--muted);
}
.empty-title {
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--cream);
  margin-bottom: 8px;
}
.empty-sub { font-size: 13px; }

/* ── MODAL ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 480px;
  padding: 32px;
}

.modal-title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 24px;
}

.field { margin-bottom: 16px; }

label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type=text], input[type=email], textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--cream);
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus, textarea:focus { border-color: var(--gold); }
textarea { resize: vertical; min-height: 80px; }

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ── SHARE LINK BOX ── */
.share-box {
  background: var(--bg);
  border: 1px solid var(--gold);
  padding: 16px;
  margin-top: 16px;
}
.share-box-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.share-box-url {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cream);
  word-break: break-all;
  margin-bottom: 12px;
}
.share-success { color: var(--green); font-family: var(--font-mono); font-size: 12px; }

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg2);
  border: 1px solid var(--gold);
  color: var(--cream);
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  z-index: 9999;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ── LOADING ── */
.loading {
  text-align: center;
  padding: 48px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ── WARN BAR ── */
.warn-bar {
  background: #3A1A1A;
  border: 1px solid #B83A3A;
  color: #F0A0A0;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 12px 16px;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

/* ── IP FILTER BAR ── */
.ip-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.ip-filter-btn {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.ip-filter-btn:hover { border-color: var(--gold); color: var(--gold); }
.ip-filter-btn.active { border-color: var(--gold); color: var(--gold); background: rgba(184,168,138,0.07); }

/* ── SESSION TABLE (expandable rows) ── */
.session-row { cursor: pointer; }
.session-row:hover { background: var(--bg3) !important; }
.expand-toggle {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  text-align: right;
  user-select: none;
  width: 24px;
}

.session-expand-row td { padding: 0 !important; border-bottom: none !important; }
.session-expand-row.open td { border-bottom: 1px solid var(--border) !important; }

.session-detail-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.session-expand-row.open .session-detail-panel { max-height: 1000px; }

.session-detail-inner {
  padding: 16px 20px;
  background: var(--bg3);
  border-top: 1px solid var(--border);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px 24px;
  margin-bottom: 16px;
}
.detail-item { display: flex; flex-direction: column; gap: 3px; }
.detail-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.detail-events-head {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 12px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.detail-events-table { font-size: 11px; }
.detail-events-table th { font-size: 9px; padding: 5px 8px; }
.detail-events-table td { padding: 4px 8px; }

/* ── EXPAND BUTTON (admin row toggle) ── */
.expand-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 7px;
  transition: border-color 0.15s, color 0.15s;
}
.expand-btn:hover, .expand-btn.open { border-color: var(--gold); color: var(--gold); }

/* ── ADMIN EXPAND ROW ── */
.admin-expand-row td { padding: 0 !important; border-bottom: none !important; }
.admin-expand-row.open td { border-bottom: 1px solid var(--border) !important; }

.admin-expand-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.admin-expand-row.open .admin-expand-panel { max-height: 500px; }

.admin-expand-table { font-size: 12px; }
.admin-expand-table th { font-size: 9px; background: var(--bg3); }
.admin-expand-table td { background: var(--bg3); }

@media (max-width: 768px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .header-title { display: none; }
}