/* =============================================
   HELPDESK PRO - Main Stylesheet
   Theme: Dark Industrial / Professional
   ============================================= */

:root {
  --bg-base:       #0b0f19;
  --bg-card:       #111827;
  --bg-sidebar:    #0d1117;
  --bg-topbar:     rgba(13,17,23,.96);
  --bg-input:      #1c2333;
  --bg-hover:      #1e2840;

  --border:        #1e2d3d;
  --border-light:  #253347;

  --text-primary:  #e2e8f0;
  --text-secondary:#8b9ab0;
  --text-muted:    #4a5a72;

  --accent-blue:   #3b82f6;
  --accent-cyan:   #06b6d4;
  --accent-green:  #10b981;
  --accent-yellow: #f59e0b;
  --accent-red:    #ef4444;
  --accent-purple: #8b5cf6;

  --sidebar-w:     260px;
  --topbar-h:      60px;
  --radius:        10px;
  --radius-sm:     6px;
  --shadow:        0 4px 24px rgba(0,0,0,.4);
  --shadow-sm:     0 2px 8px rgba(0,0,0,.3);

  --font-body:     'Plus Jakarta Sans', sans-serif;
  --font-mono:     'Space Mono', monospace;
  --transition:    all .2s cubic-bezier(.4,0,.2,1);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  font-size: .9375rem;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { color: var(--accent-cyan); }

code, pre, .mono { font-family: var(--font-mono); }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================
   LAYOUT
   ============================================ */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  z-index: 1040;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y: auto; overflow-x: hidden;
}

.main-wrapper {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex; flex-direction: column;
  transition: margin-left .3s cubic-bezier(.4,0,.2,1);
}

.main-content {
  flex: 1;
  padding: 28px 32px;
}

.main-footer {
  padding: 14px 32px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  font-size: .8rem;
  color: var(--text-muted);
  display: flex; align-items: center;
  gap: 12px;
}

/* Collapsed sidebar */
.sidebar-collapsed .sidebar { transform: translateX(-100%); }
.sidebar-collapsed .main-wrapper { margin-left: 0; }

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar-brand {
  padding: 20px 20px 16px;
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}

.brand-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(59,130,246,.4);
}

.brand-name {
  display: block;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-primary);
  letter-spacing: -.3px;
}
.brand-sub {
  font-size: .7rem;
  color: var(--text-muted);
  letter-spacing: .5px;
  text-transform: uppercase;
}

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 16px;
}

.sidebar-user {
  padding: 10px 16px;
  display: flex; align-items: center; gap: 10px;
}

.user-avatar-sm {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
  overflow: hidden;
}
.user-avatar-sm img { width: 100%; height: 100%; object-fit: cover; }
.user-name { font-size: .85rem; font-weight: 600; color: var(--text-primary); }
.user-role { font-size: .65rem; text-transform: uppercase; letter-spacing: .5px; font-weight: 700; }

.badge-role-admin  { color: var(--accent-red); }
.badge-role-staff  { color: var(--accent-yellow); }
.badge-role-user   { color: var(--accent-cyan); }

.sidebar-nav {
  padding: 6px 10px;
  flex: 1;
}

.nav-section-label {
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 700;
  padding: 14px 10px 5px;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 2px;
  border: none; background: none; width: 100%;
  text-align: left; text-decoration: none;
}
.nav-item i { font-size: 1rem; flex-shrink: 0; width: 20px; text-align: center; }
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active {
  background: rgba(59,130,246,.15);
  color: var(--accent-blue);
  border-left: 3px solid var(--accent-blue);
  padding-left: 9px;
}
.nav-item-danger { color: #f87171; }
.nav-item-danger:hover { background: rgba(239,68,68,.1); color: var(--accent-red); }

/* ============================================
   TOPBAR
   ============================================ */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-topbar);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 24px;
  gap: 12px;
  position: sticky; top: 0; z-index: 1030;
}

.sidebar-toggle {
  background: none; border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1.1rem;
  transition: var(--transition);
  flex-shrink: 0;
}
.sidebar-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }

.topbar-title {
  font-weight: 700; font-size: .95rem;
  color: var(--text-primary);
  flex: 1;
}

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

.topbar-btn {
  background: none; border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1rem;
  transition: var(--transition);
}
.topbar-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.notif-badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--accent-red);
  color: #fff; font-size: .6rem; font-weight: 700;
  min-width: 16px; height: 16px;
  border-radius: 8px; padding: 0 4px;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
}

.topbar-user-btn {
  background: none; border: 1px solid var(--border);
  color: var(--text-primary);
  height: 36px; padding: 0 10px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; font-size: .85rem; font-weight: 500;
  transition: var(--transition);
}
.topbar-user-btn:hover { background: var(--bg-hover); }

.topbar-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  display: flex; align-items: center; justify-content: center;
  font-size: .65rem; font-weight: 700; color: #fff;
  overflow: hidden; flex-shrink: 0;
}
.topbar-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================
   NOTIFICATIONS DROPDOWN
   ============================================ */
.notif-dropdown {
  width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  box-shadow: var(--shadow);
}
.notif-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; font-size: .9rem;
}
.notif-mark-all { font-size: .75rem; font-weight: 500; color: var(--accent-blue); }
.notif-list { max-height: 320px; overflow-y: auto; }
.notif-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; gap: 10px; align-items: flex-start;
  transition: var(--transition);
}
.notif-item:hover { background: var(--bg-hover); }
.notif-item.unread { background: rgba(59,130,246,.06); }
.notif-icon {
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; flex-shrink: 0;
}
.notif-body { flex: 1; min-width: 0; }
.notif-title { font-size: .82rem; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.notif-msg { font-size: .77rem; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.notif-time { font-size: .7rem; color: var(--text-muted); margin-top: 3px; }
.notif-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-blue); flex-shrink: 0; margin-top: 6px; }
.notif-footer {
  padding: 12px 16px; text-align: center;
  border-top: 1px solid var(--border);
  font-size: .82rem;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-header {
  background: transparent;
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  font-weight: 700;
  display: flex; align-items: center; gap: 8px;
}
.card-body { padding: 20px; }
.card-footer {
  background: transparent;
  border-top: 1px solid var(--border);
  padding: 14px 20px;
}

/* Stat Cards */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex; align-items: center; gap: 18px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 3px; height: 100%;
}
.stat-card.blue::before   { background: var(--accent-blue); }
.stat-card.green::before  { background: var(--accent-green); }
.stat-card.yellow::before { background: var(--accent-yellow); }
.stat-card.red::before    { background: var(--accent-red); }
.stat-card.purple::before { background: var(--accent-purple); }
.stat-card.cyan::before   { background: var(--accent-cyan); }

.stat-card:hover { border-color: var(--border-light); transform: translateY(-1px); box-shadow: var(--shadow); }

.stat-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.stat-icon.blue   { background: rgba(59,130,246,.15); color: var(--accent-blue); }
.stat-icon.green  { background: rgba(16,185,129,.15); color: var(--accent-green); }
.stat-icon.yellow { background: rgba(245,158,11,.15); color: var(--accent-yellow); }
.stat-icon.red    { background: rgba(239,68,68,.15);  color: var(--accent-red); }
.stat-icon.purple { background: rgba(139,92,246,.15); color: var(--accent-purple); }
.stat-icon.cyan   { background: rgba(6,182,212,.15);  color: var(--accent-cyan); }

.stat-value { font-size: 1.75rem; font-weight: 800; line-height: 1; font-family: var(--font-mono); }
.stat-label { font-size: .8rem; color: var(--text-secondary); margin-top: 4px; }
.stat-change { font-size: .75rem; margin-top: 4px; }
.stat-change.up   { color: var(--accent-green); }
.stat-change.down { color: var(--accent-red); }

/* ============================================
   BADGES (Status & Priority)
   ============================================ */
.badge {
  padding: 4px 10px; border-radius: 20px;
  font-size: .72rem; font-weight: 700; letter-spacing: .3px;
}
.badge-open       { background: rgba(59,130,246,.15); color: #60a5fa; }
.badge-progress   { background: rgba(245,158,11,.15); color: #fbbf24; }
.badge-resolved   { background: rgba(16,185,129,.15); color: #34d399; }
.badge-closed     { background: rgba(100,116,139,.15); color: #94a3b8; }

.priority-low      { background: rgba(6,182,212,.12);   color: #22d3ee; }
.priority-medium   { background: rgba(245,158,11,.12);  color: #fbbf24; }
.priority-high     { background: rgba(239,68,68,.12);   color: #f87171; }
.priority-critical { background: rgba(239,68,68,.25);   color: #ef4444; border: 1px solid rgba(239,68,68,.4); }

/* ============================================
   FORMS
   ============================================ */
.form-control, .form-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: .875rem;
  padding: 9px 13px;
  transition: var(--transition);
}
.form-control:focus, .form-select:focus {
  background: var(--bg-input);
  border-color: var(--accent-blue);
  color: var(--text-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-control::placeholder { color: var(--text-muted); }
.form-label { font-size: .85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.form-text { font-size: .77rem; color: var(--text-muted); }
.form-select option { background: var(--bg-card); }

textarea.form-control { resize: vertical; min-height: 100px; }

.input-group-text {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .875rem;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  font-weight: 600; font-size: .875rem;
  border-radius: var(--radius-sm);
  padding: 8px 18px;
  transition: var(--transition);
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}
.btn-primary:hover { background: #2563eb; border-color: #2563eb; color: #fff; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(59,130,246,.4); }

.btn-success { background: var(--accent-green); border-color: var(--accent-green); color: #fff; }
.btn-success:hover { background: #059669; border-color: #059669; color: #fff; }

.btn-warning { background: var(--accent-yellow); border-color: var(--accent-yellow); color: #0f172a; }
.btn-warning:hover { background: #d97706; color: #0f172a; }

.btn-danger { background: var(--accent-red); border-color: var(--accent-red); color: #fff; }
.btn-danger:hover { background: #dc2626; color: #fff; }

.btn-outline-secondary {
  border-color: var(--border-light);
  color: var(--text-secondary);
  background: transparent;
}
.btn-outline-secondary:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border-light); }

.btn-ghost {
  background: transparent; border-color: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-sm { padding: 5px 12px; font-size: .8rem; }
.btn-lg { padding: 12px 28px; font-size: 1rem; }

/* ============================================
   TABLES
   ============================================ */
.table {
  color: var(--text-primary);
  border-color: var(--border);
  font-size: .875rem;
}
.table th {
  background: rgba(255,255,255,.03);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.table td { padding: 13px 16px; border-bottom: 1px solid rgba(30,45,61,.6); vertical-align: middle; }
.table tbody tr { transition: var(--transition); }
.table tbody tr:hover { background: var(--bg-hover); }
.table-striped tbody tr:nth-of-type(odd) { background: rgba(255,255,255,.015); }

.ticket-link { font-weight: 600; color: var(--text-primary); }
.ticket-link:hover { color: var(--accent-blue); }
.ticket-number { font-family: var(--font-mono); font-size: .82rem; color: var(--accent-cyan); }

/* ============================================
   PAGINATION
   ============================================ */
.pagination { gap: 4px; }
.page-item .page-link {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm) !important;
  padding: 6px 12px;
  font-size: .85rem;
  transition: var(--transition);
}
.page-item.active .page-link { background: var(--accent-blue); border-color: var(--accent-blue); color: #fff; }
.page-item .page-link:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ============================================
   TICKET DETAIL
   ============================================ */
.ticket-meta {
  display: flex; flex-wrap: wrap; gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,.02);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.ticket-meta-item { display: flex; flex-direction: column; gap: 3px; }
.ticket-meta-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .6px; color: var(--text-muted); font-weight: 700; }
.ticket-meta-value { font-size: .875rem; font-weight: 600; }

/* Conversation */
.reply-list { display: flex; flex-direction: column; gap: 16px; }
.reply-item {
  display: flex; gap: 14px;
}
.reply-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
  overflow: hidden;
}
.reply-avatar img { width: 100%; height: 100%; object-fit: cover; }
.reply-avatar.user   { background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan)); }
.reply-avatar.staff  { background: linear-gradient(135deg, var(--accent-yellow), #f97316); }
.reply-avatar.admin  { background: linear-gradient(135deg, var(--accent-red), var(--accent-purple)); }

.reply-bubble {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: 14px 18px; flex: 1;
  min-width: 0;
}
.reply-bubble.internal {
  background: rgba(245,158,11,.05);
  border-color: rgba(245,158,11,.2);
}
.reply-meta {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.reply-author { font-weight: 700; font-size: .875rem; }
.reply-time { font-size: .75rem; color: var(--text-muted); }
.reply-internal-badge { font-size: .65rem; background: rgba(245,158,11,.15); color: var(--accent-yellow); padding: 2px 7px; border-radius: 10px; font-weight: 700; }
.reply-content { font-size: .875rem; line-height: 1.7; white-space: pre-wrap; word-break: break-word; }

/* ============================================
   FILE UPLOAD
   ============================================ */
.file-drop-zone {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-input);
}
.file-drop-zone:hover, .file-drop-zone.dragging {
  border-color: var(--accent-blue);
  background: rgba(59,130,246,.05);
}
.file-drop-icon { font-size: 2rem; color: var(--text-muted); margin-bottom: 10px; }
.file-drop-text { font-size: .875rem; color: var(--text-secondary); }
.file-drop-hint { font-size: .77rem; color: var(--text-muted); margin-top: 6px; }

.file-preview { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.file-chip {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-hover); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: 20px;
  font-size: .8rem; color: var(--text-secondary);
}
.file-chip .remove-file { cursor: pointer; color: var(--accent-red); }

/* ============================================
   AUTH PAGES
   ============================================ */
.auth-wrapper {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background: var(--bg-base);
  background-image: radial-gradient(ellipse at 20% 50%, rgba(59,130,246,.07) 0%, transparent 60%),
                    radial-gradient(ellipse at 80% 50%, rgba(139,92,246,.05) 0%, transparent 60%);
}
.auth-card {
  width: 100%; max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  overflow: hidden;
}
.auth-header {
  padding: 32px 36px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.auth-logo {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: #fff; margin-bottom: 14px;
  box-shadow: 0 6px 20px rgba(59,130,246,.4);
}
.auth-title { font-size: 1.35rem; font-weight: 800; letter-spacing: -.3px; }
.auth-sub { color: var(--text-muted); font-size: .85rem; margin-top: 4px; }
.auth-body { padding: 28px 36px 36px; }

/* ============================================
   ALERTS
   ============================================ */
.alert {
  border-radius: var(--radius-sm);
  border: none;
  font-size: .875rem;
  font-weight: 500;
}
.alert-success { background: rgba(16,185,129,.12); color: #34d399; }
.alert-danger   { background: rgba(239,68,68,.12);  color: #f87171; }
.alert-warning  { background: rgba(245,158,11,.12); color: #fbbf24; }
.alert-info     { background: rgba(59,130,246,.12); color: #60a5fa; }

/* ============================================
   MODALS
   ============================================ */
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.modal-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 22px;
}
.modal-footer { border-top: 1px solid var(--border); padding: 14px 22px; }
.btn-close { filter: invert(1) grayscale(1); }

/* ============================================
   DROPDOWN
   ============================================ */
.dropdown-menu {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 6px;
}
.dropdown-item {
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  padding: 8px 12px;
  transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
}
.dropdown-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.dropdown-item.text-danger { color: #f87171; }
.dropdown-divider { border-color: var(--border); }

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress {
  background: var(--bg-hover);
  border-radius: 20px;
  height: 6px;
}
.progress-bar { border-radius: 20px; }

/* ============================================
   SLA INDICATORS
   ============================================ */
.sla-ok      { color: var(--accent-green); }
.sla-warning { color: var(--accent-yellow); }
.sla-breach  { color: var(--accent-red); }

/* ============================================
   LOADING SPINNER
   ============================================ */
.spin { animation: spin 1s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 28px; gap: 12px; flex-wrap: wrap;
}
.page-title { font-size: 1.4rem; font-weight: 800; margin: 0; letter-spacing: -.3px; }
.page-subtitle { color: var(--text-secondary); font-size: .875rem; margin-top: 4px; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ============================================
   FILTER BAR
   ============================================ */
.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end;
  margin-bottom: 20px;
}
.filter-bar .form-control,
.filter-bar .form-select { background: var(--bg-input); min-width: 160px; flex: 1; }

/* ============================================
   CHART CONTAINER
   ============================================ */
.chart-container { position: relative; width: 100%; }

/* ============================================
   TOOLTIP
   ============================================ */
[data-bs-toggle="tooltip"] { cursor: pointer; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .main-content { padding: 20px 16px; }
  .sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 1039;
  }
  .sidebar-backdrop.show { display: block; }
}

@media (max-width: 576px) {
  .stat-card { padding: 14px 16px; }
  .stat-value { font-size: 1.4rem; }
  .page-header { flex-direction: column; }
  .auth-body, .auth-header { padding-left: 22px; padding-right: 22px; }
}

/* ============================================
   MISC UTILITIES
   ============================================ */
.text-accent-blue   { color: var(--accent-blue); }
.text-accent-cyan   { color: var(--accent-cyan); }
.text-accent-green  { color: var(--accent-green); }
.text-accent-yellow { color: var(--accent-yellow); }
.text-accent-red    { color: var(--accent-red); }
.text-accent-purple { color: var(--accent-purple); }

.bg-accent-blue   { background: rgba(59,130,246,.15); }
.bg-accent-green  { background: rgba(16,185,129,.15); }
.bg-accent-yellow { background: rgba(245,158,11,.15); }
.bg-accent-red    { background: rgba(239,68,68,.15); }

.border-top-blue   { border-top: 3px solid var(--accent-blue) !important; }
.border-top-green  { border-top: 3px solid var(--accent-green) !important; }
.border-top-yellow { border-top: 3px solid var(--accent-yellow) !important; }
.border-top-red    { border-top: 3px solid var(--accent-red) !important; }

.cursor-pointer { cursor: pointer; }
.gap-2 { gap: .5rem; }
.gap-3 { gap: 1rem; }

.empty-state {
  text-align: center; padding: 52px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 3rem; margin-bottom: 14px; display: block; }
.empty-state h5 { color: var(--text-secondary); margin-bottom: 6px; }