/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent:     #25D366;
  --accent-dim: #1da851;
  --bg:         #0A0A0A;
  --surface:    #111111;
  --surface-2:  #1A1A1A;
  --border:     rgba(255,255,255,0.08);
  --text-1:     #F5F5F5;
  --text-2:     #A0A0A0;
  --text-3:     #606060;
  --danger:     #EF4444;
  --warning:    #F59E0B;
  --info:       #3B82F6;
  --sidebar-w:  220px;
  --radius:     10px;
}

html, body { height: 100%; }
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.5;
  font-size: 14px;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; }
input, textarea, select { font-family: inherit; outline: none; }

/* ── Admin layout ─────────────────────────────────────────────────────────── */
.admin-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: 100vh;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.admin-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 0 0 24px;
}

.admin-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.admin-logo-icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.admin-logo-text {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.2;
}
.admin-logo-text span {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 400;
  color: var(--text-3);
}

.admin-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 10px; flex: 1; }

.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.admin-nav-link svg { width: 16px; height: 16px; flex-shrink: 0; }
.admin-nav-link:hover { background: var(--surface-2); color: var(--text-1); }
.admin-nav-link.active { background: rgba(37,211,102,0.12); color: var(--accent); }
.admin-nav-link .badge-count {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  min-width: 20px;
  text-align: center;
}

.admin-sidebar-bottom {
  padding: 0 10px;
  margin-top: 16px;
}
.admin-logout {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  background: transparent;
  width: 100%;
  transition: background 0.15s, color 0.15s;
}
.admin-logout svg { width: 16px; height: 16px; }
.admin-logout:hover { background: rgba(239,68,68,0.1); color: var(--danger); }

/* ── Main area ────────────────────────────────────────────────────────────── */
.admin-main {
  overflow-y: auto;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.admin-page-title {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-1);
}
.admin-page-sub {
  font-size: 13px;
  color: var(--text-2);
  margin-top: 3px;
}

/* ── Stats row ────────────────────────────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-label { font-size: 12px; color: var(--text-2); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--text-1); line-height: 1; }
.stat-value.danger { color: var(--danger); }
.stat-value.success { color: var(--accent); }

/* ── Admin cards ──────────────────────────────────────────────────────────── */
.admin-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.admin-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.admin-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
}
.admin-card-body { padding: 20px; }

/* ── Tables ───────────────────────────────────────────────────────────────── */
.admin-table-wrap { overflow-x: auto; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.admin-table th {
  background: var(--surface-2);
  color: var(--text-2);
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-1);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }
.admin-table tr.pending-activation { background: rgba(245,158,11,0.04); }
.admin-table tr.pending-activation:hover td { background: rgba(245,158,11,0.06); }

.admin-table .mono { font-family: monospace; font-size: 12px; color: var(--text-2); max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-table .email-cell { color: var(--text-2); }
.admin-table .time-cell { color: var(--text-3); font-size: 12px; }

/* ── Badges / Status ──────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-green   { background: rgba(37,211,102,0.15); color: #25D366; }
.badge-blue    { background: rgba(59,130,246,0.15); color: #60A5FA; }
.badge-amber   { background: rgba(245,158,11,0.15); color: #F59E0B; }
.badge-red     { background: rgba(239,68,68,0.15);  color: #EF4444; }
.badge-gray    { background: rgba(160,160,160,0.12); color: #A0A0A0; }
.badge-purple  { background: rgba(167,139,250,0.15); color: #A78BFA; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: opacity 0.15s, background 0.15s;
  white-space: nowrap;
}
.btn:hover { opacity: 0.85; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary  { background: var(--accent);  color: #000; }
.btn-danger   { background: var(--danger);  color: #fff; }
.btn-outline  { background: transparent; border: 1px solid var(--border); color: var(--text-1); }
.btn-outline:hover { background: var(--surface-2); opacity: 1; }
.btn-ghost    { background: transparent; color: var(--text-2); }
.btn-ghost:hover { color: var(--text-1); opacity: 1; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; border-radius: 6px; }

/* ── Form elements ────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; color: var(--text-2); font-weight: 500; }
.form-input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 13px;
  color: var(--text-1);
  width: 100%;
  transition: border-color 0.15s;
}
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-3); }
textarea.form-input { resize: vertical; min-height: 80px; }
select.form-input { cursor: pointer; }

/* ── Search + filter bar ──────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 340px;
}
.search-wrap svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px; height: 15px;
  color: var(--text-3);
  pointer-events: none;
}
.search-input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px 8px 32px;
  font-size: 13px;
  color: var(--text-1);
  width: 100%;
}
.search-input:focus { border-color: var(--accent); outline: none; }
.search-input::placeholder { color: var(--text-3); }

.filter-tabs { display: flex; gap: 2px; background: var(--surface-2); border-radius: 8px; padding: 3px; }
.filter-tab {
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  background: transparent;
  cursor: pointer;
  border: none;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.filter-tab.active { background: var(--surface); color: var(--text-1); }
.filter-tab:hover:not(.active) { color: var(--text-1); }

/* ── Activation input row ─────────────────────────────────────────────────── */
.activation-input-row {
  display: flex;
  gap: 6px;
  align-items: center;
}
.activation-input-row input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 12px;
  color: var(--text-1);
  width: 180px;
}
.activation-input-row input:focus { border-color: var(--accent); outline: none; }

/* ── Vikram helper panel ──────────────────────────────────────────────────── */
.vikram-panel {
  display: none;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.8;
}
.vikram-panel.open { display: block; }
.vikram-panel .vk-row { display: flex; gap: 8px; }
.vikram-panel .vk-label { color: var(--text-3); min-width: 90px; }
.vikram-panel .vk-val { color: var(--text-1); font-family: monospace; word-break: break-all; }
.vikram-panel .vk-check { color: var(--accent); }
.vikram-open-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.vikram-open-btn:hover { color: var(--text-1); border-color: var(--accent); }

/* ── Complaint detail expand ──────────────────────────────────────────────── */
.complaint-row-detail {
  display: none;
  padding: 14px 16px;
  background: var(--surface-2);
  border-top: 1px solid var(--border);
}
.complaint-row-detail.open { display: block; }
.complaint-message-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 12px;
  line-height: 1.6;
}
.complaint-reply-box {
  background: rgba(37,211,102,0.05);
  border: 1px solid rgba(37,211,102,0.2);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-1);
  margin-bottom: 12px;
  line-height: 1.6;
}
.reply-form-row { display: flex; gap: 8px; align-items: flex-end; }
.reply-form-row textarea { flex: 1; min-height: 60px; }
.reply-form-actions { display: flex; gap: 8px; align-items: center; }

/* ── Customer detail page ─────────────────────────────────────────────────── */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}
.detail-field { display: flex; flex-direction: column; gap: 4px; }
.detail-field label { font-size: 11px; color: var(--text-3); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.detail-field span { font-size: 13px; color: var(--text-1); }
.detail-field .mono { font-family: monospace; font-size: 12px; word-break: break-all; }

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── Alert / toast ────────────────────────────────────────────────────────── */
.alert {
  display: none;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 12px;
}
.alert.show { display: block; }
.alert-success { background: rgba(37,211,102,0.1); border: 1px solid rgba(37,211,102,0.3); color: #25D366; }
.alert-error   { background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.3);  color: #EF4444; }

/* ── Modal overlay ────────────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.modal-title { font-size: 16px; font-weight: 700; color: var(--text-1); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }

/* ── Auth (login) layout ──────────────────────────────────────────────────── */
.admin-auth-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 20px;
}
.admin-auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 40px;
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.admin-auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.admin-auth-logo-icon {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.admin-auth-logo-text {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
}
.admin-auth-heading { font-size: 20px; font-weight: 700; color: var(--text-1); }

/* ── Announcements ────────────────────────────────────────────────────────── */
.announcement-banner {
  background: rgba(37,211,102,0.08);
  border: 1px solid rgba(37,211,102,0.25);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-1);
  line-height: 1.6;
}
.announcement-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.announcement-item:last-child { border-bottom: none; }
.announcement-msg { flex: 1; font-size: 13px; color: var(--text-1); line-height: 1.6; }
.announcement-meta { font-size: 11px; color: var(--text-3); margin-top: 3px; }
.announcement-actions { display: flex; gap: 6px; align-items: center; flex-shrink: 0; }

/* ── Empty state ──────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-3);
  font-size: 13px;
}
.empty-state svg { width: 36px; height: 36px; margin-bottom: 10px; opacity: 0.3; }

/* ── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.18); }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
  .admin-main { padding: 16px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}