/* ── Layout ─────────────────────────────────────────────────────────────── */

#wrapper {
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  min-width: 240px;
  min-height: 100vh;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.15) transparent;
  flex-shrink: 0;
}

.sidebar-hidden {
  display: none !important;
}

/* Admin sidebar — dark navy */
.admin-sidebar  { background: #1a2740; }

/* Webmail sidebar — dark teal */
.webmail-sidebar { background: #0e2d2a; }

/* Active nav link */
.sidebar .nav-link { border-radius: 8px; transition: background .15s; }
.sidebar-active,
.sidebar .nav-link:hover {
  background: rgba(255,255,255,.12) !important;
}

/* Top bar */
.topbar {
  background: #fff;
  border-bottom: 1px solid #e9ecef;
  min-height: 52px;
  position: sticky;
  top: 0;
  z-index: 10;
}

/* ── Login pages ──────────────────────────────────────────────────────────── */

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.admin-login-bg {
  background: linear-gradient(135deg, #1a2740 0%, #2a4a80 100%);
}

.webmail-login-bg {
  background: linear-gradient(135deg, #0e2d2a 0%, #1a5c50 100%);
}

.login-card {
  width: 100%;
  max-width: 420px;
  border-radius: 14px !important;
  border: none !important;
}

/* ── Dashboard stats ──────────────────────────────────────────────────────── */

.stat-card { transition: transform .15s, box-shadow .15s; }
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,.1) !important; }

.stat-icon { width: 58px; height: 58px; display: flex; align-items: center; justify-content: center; }

.card-action {
  transition: transform .15s, box-shadow .15s;
  cursor: pointer;
  color: inherit;
}
.card-action:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,.1) !important;
  color: inherit;
}

/* ── User avatar circle ───────────────────────────────────────────────────── */

.avatar-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4f79f6, #7c5cbf);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}

/* ── Email inbox list ─────────────────────────────────────────────────────── */

.email-row { border-left: 3px solid transparent; transition: background .1s; }
.email-unread { border-left-color: #0d6efd; background: #f0f5ff; }
.email-unread:hover { background: #e6eeff; }

.unread-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0d6efd;
  flex-shrink: 0;
  visibility: hidden;
}
.unread-dot.visible { visibility: visible; }

/* ── Message view ─────────────────────────────────────────────────────────── */

.message-body {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: .92rem;
  line-height: 1.7;
  background: #f8f9fa;
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin: 0;
}

/* ── Compose ──────────────────────────────────────────────────────────────── */

.compose-textarea {
  min-height: 320px;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: .92rem;
  line-height: 1.7;
  resize: vertical;
}

/* ── Utilities ────────────────────────────────────────────────────────────── */

.text-sm { font-size: .875rem; }

.brand-link { color: inherit; }
.brand-link:hover { color: inherit; }

/* Responsive: hide sidebar on small screens by default */
@media (max-width: 991.98px) {
  .sidebar { display: none; }
  .sidebar.sidebar-visible { display: flex !important; }
}