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

:root {
  --bg: #0d0d0d;
  --bg2: #141414;
  --bg3: #1a1a1a;
  --border: #262626;
  --accent: #4f7cff;
  --accent2: #7b9fff;
  --text: #e8eaf0;
  --muted: #6b7280;
  --success: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

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

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.header-title {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--text);
  line-height: 1;
}

.header-sub {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── Nav ── */
.app-nav {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 14px 16px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.15s;
  white-space: nowrap;
}

.nav-link:hover { color: var(--text); }
.nav-active { color: var(--text); border-bottom-color: var(--accent); }

/* ── Main ── */
.main {
  padding: 28px 28px;
  max-width: 1400px;
}

/* ── Page header ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.page-title {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 1px;
}

.page-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── Cards ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

.card-title {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
}

.stat-val {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.stat-label {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 6px;
}

/* ── Section label ── */
.section-label {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 20px 0 10px;
}

/* ── Tables ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  background: var(--bg3);
  color: var(--muted);
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg3); }

/* ── Buttons ── */
.btn, button, input[type=submit] {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: opacity 0.15s;
  white-space: nowrap;
}

.btn:hover, button:hover, input[type=submit]:hover { opacity: 0.85; }

.btn-primary, input[type=submit] {
  background: var(--accent);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
}

/* ── Forms ── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 500;
}

input[type=text], input[type=email], input[type=password],
input[type=number], select, textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea { resize: vertical; min-height: 80px; }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 20px;
}

.badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge-success { color: var(--success); background: rgba(34,197,94,0.1); }
.badge-success::before { background: var(--success); }
.badge-danger { color: var(--danger); background: rgba(239,68,68,0.1); }
.badge-danger::before { background: var(--danger); }
.badge-warn { color: var(--warn); background: rgba(245,158,11,0.1); }
.badge-warn::before { background: var(--warn); }
.badge-muted { color: var(--muted); background: var(--bg3); }
.badge-muted::before { background: var(--muted); }
.badge-accent { color: var(--accent); background: rgba(79,124,255,0.1); }
.badge-accent::before { background: var(--accent); }

/* ── Alert banners ── */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.alert-danger { background: rgba(239,68,68,0.1); border: 1px solid var(--danger); color: var(--danger); }
.alert-warn { background: rgba(245,158,11,0.1); border: 1px solid var(--warn); color: var(--warn); }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid var(--success); color: var(--success); }

/* ── Flash messages ── */
.flash { padding: 10px 16px; border-radius: 6px; font-size: 13px; margin-bottom: 16px; }
.flash-success { background: rgba(34,197,94,0.1); border: 1px solid var(--success); color: var(--success); }
.flash-error { background: rgba(239,68,68,0.1); border: 1px solid var(--danger); color: var(--danger); }

/* ── Misc ── */
.muted { color: var(--muted); }
.text-sm { font-size: 12px; }
.mono { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12px; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  font-size: 13px;
}

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

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

/* ── Login page ── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 360px;
  text-align: center;
}

.login-logo { width: 52px; height: 52px; object-fit: contain; margin-bottom: 16px; }
.login-title { font-family: 'Josefin Sans', sans-serif; font-size: 20px; letter-spacing: 2px; font-weight: 700; margin-bottom: 4px; }
.login-sub { font-size: 12px; color: var(--muted); margin-bottom: 28px; letter-spacing: 1px; font-family: 'Josefin Sans', sans-serif; text-transform: uppercase; }

.login-box input[type=password] { margin-bottom: 14px; }
.login-box input[type=submit] { width: 100%; justify-content: center; }

/* ── Thread view ── */
.thread-msg {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.thread-msg-header {
  background: var(--bg3);
  padding: 10px 16px;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
}

.thread-msg-body {
  padding: 16px;
  font-size: 13px;
  white-space: pre-wrap;
  line-height: 1.6;
}

.thread-msg.outbound .thread-msg-header { border-left: 3px solid var(--accent); }
.thread-msg.inbound .thread-msg-header { border-left: 3px solid var(--success); }

/* ── Stats row (dashboard) ── */
.stats-row {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.stats-row .stat-card { flex: 1; min-width: 140px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1; margin-top: 6px; }

/* ── Badge aliases ── */
.badge-green { color: var(--success); background: rgba(34,197,94,0.1); }
.badge-green::before { background: var(--success); }
.badge-red { color: var(--danger); background: rgba(239,68,68,0.1); }
.badge-red::before { background: var(--danger); }
.badge-yellow { color: var(--warn); background: rgba(245,158,11,0.1); }
.badge-yellow::before { background: var(--warn); }

/* ── Alert aliases ── */
.alert-red { background: rgba(239,68,68,0.1); border: 1px solid var(--danger); color: var(--danger); }
.alert-yellow { background: rgba(245,158,11,0.1); border: 1px solid var(--warn); color: var(--warn); }

/* ── Table wrap ── */
.table-wrap { overflow-x: auto; }
.table-wrap table, table.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table-wrap table th, table.table th { background: var(--bg3); color: var(--muted); font-family: 'Josefin Sans', sans-serif; font-size: 10px; font-weight: 600; letter-spacing: 0.8px; text-transform: uppercase; padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.table-wrap table td, table.table td { padding: 11px 14px; border-bottom: 1px solid var(--border); color: var(--text); }
.table-wrap table tr:last-child td, table.table tr:last-child td { border-bottom: none; }
.table-wrap table tbody tr:hover, table.table tbody tr:hover { background: var(--bg3); }

/* ══════════════════════════════════
   Mobile responsive
   ══════════════════════════════════ */
@media (max-width: 640px) {
  /* Header */
  .app-header { padding: 0 16px; height: 52px; }
  .header-title { font-size: 15px; }
  .header-sub { font-size: 9px; }
  .header-logo { width: 28px; height: 28px; }

  /* Nav — scrollable horizontal strip */
  .app-nav {
    padding: 0 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .app-nav::-webkit-scrollbar { display: none; }
  .nav-link { padding: 12px 12px; font-size: 12px; white-space: nowrap; }

  /* Main content */
  .main { padding: 16px; }
  .page-title { font-size: 16px; }

  /* Stats row — 2 columns on mobile */
  .stats-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .stats-row .stat-card { min-width: unset; }
  .stat-value { font-size: 22px; }

  /* Cards */
  .card { padding: 14px; }

  /* Tables — horizontal scroll, smaller text */
  .table-wrap { margin: 0 -14px; }
  .table-wrap table th, .table-wrap table td { padding: 9px 12px; font-size: 12px; }

  /* Forms */
  .form-row { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .page-header .actions { width: 100%; }
  .page-header .actions .btn { flex: 1; justify-content: center; }

  /* Buttons */
  .btn, button, input[type=submit] { padding: 9px 14px; font-size: 13px; }

  /* Login */
  .login-box { width: calc(100vw - 32px); padding: 28px 20px; }
}