/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --cyan: #00f5ff;
  --cyan2: #00c8ff;
  --green: #00ff88;
  --red: #ff4466;
  --orange: #ff8800;
  --purple: #a78bfa;
  --bg: #050810;
  --bg2: #070b18;
  --bg3: #090e1e;
  --border: rgba(0,245,255,0.10);
  --border-hover: rgba(0,245,255,0.25);
  --text: rgba(210,240,255,0.92);
  --text-dim: rgba(160,220,255,0.60);
  --text-muted: rgba(0,245,255,0.38);
  --card-bg: rgba(7,11,22,0.98);
  --sidebar-w: 248px;
  --sidebar-collapsed: 64px;
  --topbar-h: 58px;
  --glow-cyan: 0 0 20px rgba(0,245,255,0.15);
  --glow-green: 0 0 20px rgba(0,255,136,0.15);
  --transition: 0.22s cubic-bezier(.4,0,.2,1);
}

html, body {
  height: 100%; font-family: 'Inter', sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
* { scrollbar-width: thin; scrollbar-color: rgba(0,245,255,0.2) transparent; }
*::-webkit-scrollbar { width: 4px; height: 4px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: rgba(0,245,255,0.2); border-radius: 4px; }

/* === LAYOUT === */
.app-wrapper { display: flex; min-height: 100vh; }
.main-content {
  flex: 1; margin-left: var(--sidebar-w); min-width: 0;
  transition: margin-left var(--transition); display: flex; flex-direction: column;
  background: var(--bg);
}
.main-content.collapsed { margin-left: var(--sidebar-collapsed); }
.page-content { flex: 1; padding: 24px 28px; overflow-y: auto; }

/* === SIDEBAR === */
.sidebar {
  position: fixed; top: 0; left: 0; height: 100vh; width: var(--sidebar-w);
  background: linear-gradient(180deg, rgba(5,8,18,0.99) 0%, rgba(6,10,22,0.99) 100%);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; z-index: 100;
  transition: width var(--transition); overflow: hidden;
  box-shadow: 4px 0 32px rgba(0,0,0,0.4);
}
.sidebar.collapsed { width: var(--sidebar-collapsed); }
/* Hover-open: expand over content without pushing it */
.sidebar.hover-open {
  width: var(--sidebar-w);
  z-index: 200;
  box-shadow: 4px 0 48px rgba(0,0,0,0.7), 0 0 0 1px rgba(0,245,255,0.1);
}
/* Hide text labels when collapsed (but not when hover-open) */
.sidebar.collapsed:not(.hover-open) .nav-label,
.sidebar.collapsed:not(.hover-open) .logo-text,
.sidebar.collapsed:not(.hover-open) .nav-arrow,
.sidebar.collapsed:not(.hover-open) .user-details,
.sidebar.collapsed:not(.hover-open) .nav-group-items { display: none; }
/* Nav icon tooltips when collapsed */
.sidebar.collapsed:not(.hover-open) .nav-item,
.sidebar.collapsed:not(.hover-open) .nav-group-header { justify-content: center; padding: 10px 0; }
.sidebar.collapsed:not(.hover-open) .nav-icon { width: 36px; text-align: center; }
/* Lock button glow when locked */
#sidebar-lock-btn { transition: all 0.2s; }
#sidebar-lock-btn:hover { color: var(--cyan) !important; background: rgba(0,245,255,0.1); }
.sidebar:not(.collapsed) #sidebar-lock-btn { color: rgba(0,245,255,0.7) !important; }

.sidebar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 14px; border-bottom: 1px solid var(--border); min-height: 58px;
  background: rgba(0,245,255,0.02);
}
.sidebar-logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center;
  justify-content: center; font-size: 18px;
  background: linear-gradient(135deg, rgba(0,245,255,0.2), rgba(0,200,255,0.08));
  border: 1px solid rgba(0,245,255,0.25); box-shadow: var(--glow-cyan);
  flex-shrink: 0;
}
.logo-text {
  font-family: 'Orbitron', sans-serif; font-size: 12px; font-weight: 900;
  background: linear-gradient(90deg, var(--cyan), var(--cyan2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  white-space: nowrap; letter-spacing: 0.03em;
}
.sidebar-toggle {
  background: none; border: none; color: var(--text-muted); font-size: 15px;
  padding: 6px; border-radius: 8px; transition: all var(--transition);
  line-height: 1;
}
.sidebar-toggle:hover { color: var(--cyan); background: rgba(0,245,255,0.08); }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 10px 8px; }

/* Nav section labels */
.nav-section-label {
  font-size: 9px; font-weight: 800; color: rgba(0,245,255,0.25);
  text-transform: uppercase; letter-spacing: 0.12em;
  padding: 12px 12px 4px; margin-top: 4px;
}

/* Nav items */
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 11px;
  margin-bottom: 2px; transition: all var(--transition); color: var(--text-dim);
  border: 1px solid transparent; position: relative; overflow: hidden;
}
.nav-item::before {
  content: ''; position: absolute; inset: 0; border-radius: 11px;
  background: linear-gradient(90deg, transparent, rgba(0,245,255,0.03));
  opacity: 0; transition: opacity var(--transition);
}
.nav-item:hover { background: rgba(0,245,255,0.06); color: var(--text); border-color: var(--border); transform: translateX(2px); }
.nav-item:hover::before { opacity: 1; }
.nav-item:hover .nav-icon { transform: scale(1.1); }
.nav-item.active {
  background: linear-gradient(90deg, rgba(0,245,255,0.12), rgba(0,245,255,0.05));
  color: var(--cyan); border-color: rgba(0,245,255,0.25);
  box-shadow: inset 3px 0 0 var(--cyan), var(--glow-cyan);
}
.nav-item.active .nav-icon { filter: drop-shadow(0 0 6px var(--cyan)); }
.nav-icon { font-size: 16px; flex-shrink: 0; width: 20px; text-align: center; transition: transform var(--transition); }
.nav-label { font-size: 13px; font-weight: 500; white-space: nowrap; }

/* Nav groups */
.nav-group { margin-bottom: 2px; }
.nav-group-header {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 11px;
  cursor: pointer; color: var(--text-dim); transition: all var(--transition);
  border: 1px solid transparent;
}
.nav-group-header:hover { background: rgba(0,245,255,0.06); color: var(--text); border-color: var(--border); transform: translateX(2px); }
.nav-group-header:hover .nav-icon { transform: scale(1.1); }
.nav-group.open .nav-group-header { color: var(--text); background: rgba(0,245,255,0.04); }
.nav-arrow { margin-left: auto; font-size: 10px; transition: transform var(--transition); opacity: 0.6; }
.nav-group.open .nav-arrow { transform: rotate(180deg); opacity: 1; }

.nav-group-items {
  display: none; padding-left: 14px; padding-bottom: 4px; margin-top: 2px;
  border-left: 1px solid rgba(0,245,255,0.1); margin-left: 20px;
}
.nav-group.open .nav-group-items { display: block; animation: slideDown 0.2s ease; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

.nav-sub {
  display: flex; align-items: center; padding: 7px 12px; border-radius: 8px;
  font-size: 12px; font-weight: 500; color: var(--text-dim); transition: all var(--transition);
  margin-bottom: 1px; gap: 8px;
}
.nav-sub::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: currentColor; opacity: 0.4; flex-shrink: 0; transition: all var(--transition); }
.nav-sub:hover { background: rgba(0,245,255,0.06); color: var(--text); padding-left: 14px; }
.nav-sub:hover::before { opacity: 1; background: var(--cyan); }
.nav-sub.active { color: var(--cyan); background: rgba(0,245,255,0.08); }
.nav-sub.active::before { opacity: 1; background: var(--cyan); box-shadow: 0 0 6px var(--cyan); }

/* Sidebar footer */
.sidebar-footer {
  padding: 12px 10px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,245,255,0.02);
}
.user-info { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.user-avatar {
  width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(0,245,255,0.2), rgba(167,139,250,0.15));
  border: 1px solid rgba(0,245,255,0.3); display: flex; align-items: center;
  justify-content: center; font-size: 13px; font-weight: 800; color: var(--cyan);
  box-shadow: var(--glow-cyan);
}
.user-details { flex: 1; min-width: 0; }
.user-name { display: block; font-size: 12px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { display: block; font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.btn-logout {
  background: none; border: 1px solid transparent; color: var(--text-muted); font-size: 16px;
  padding: 6px; border-radius: 8px; transition: all var(--transition); flex-shrink: 0;
}
.btn-logout:hover { color: var(--red); background: rgba(255,68,102,0.1); border-color: rgba(255,68,102,0.2); }

/* === TOPBAR === */
.topbar {
  height: var(--topbar-h); background: rgba(5,8,18,0.98);
  border-bottom: 1px solid var(--border); display: flex; align-items: center;
  justify-content: space-between; padding: 0 24px;
  position: sticky; top: 0; z-index: 50; flex-shrink: 0;
  backdrop-filter: blur(12px);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-menu-btn {
  background: none; border: none; color: var(--text-muted); font-size: 18px;
  padding: 6px 8px; border-radius: 8px; display: none; transition: all var(--transition);
}
.topbar-menu-btn:hover { color: var(--cyan); background: rgba(0,245,255,0.08); }
.page-title { font-size: 15px; font-weight: 700; color: var(--text); }
.topbar-right { display: flex; align-items: center; gap: 10px; position: relative; }

.topbar-btn {
  width: 34px; height: 34px; border-radius: 10px; background: rgba(0,245,255,0.06);
  border: 1px solid var(--border); display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: var(--text-dim); transition: all var(--transition); cursor: pointer;
}
.topbar-btn:hover { background: rgba(0,245,255,0.12); color: var(--cyan); border-color: rgba(0,245,255,0.3); }

.topbar-user {
  display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 6px 10px;
  border-radius: 11px; transition: all var(--transition); border: 1px solid transparent;
}
.topbar-user:hover { background: rgba(0,245,255,0.06); border-color: var(--border); }
.topbar-avatar {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, rgba(0,245,255,0.2), rgba(167,139,250,0.15));
  border: 1px solid rgba(0,245,255,0.3); display: flex; align-items: center;
  justify-content: center; font-size: 12px; font-weight: 800; color: var(--cyan);
}
.topbar-name { font-size: 13px; font-weight: 600; color: var(--text); }
.topbar-role { font-size: 10px; color: var(--text-muted); }

.profile-menu {
  display: none; position: absolute; top: calc(100% + 10px); right: 0;
  background: rgba(7,11,24,0.99); border: 1px solid rgba(0,245,255,0.2);
  border-radius: 14px; min-width: 180px; box-shadow: 0 12px 40px rgba(0,0,0,0.6), var(--glow-cyan);
  overflow: hidden; z-index: 200;
  animation: fadeInDown 0.15s ease;
}
.profile-menu.open { display: block; }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
.profile-menu-header { padding: 14px 16px 10px; border-bottom: 1px solid var(--border); }
.profile-menu-name { font-size: 13px; font-weight: 700; color: var(--text); }
.profile-menu-email { font-size: 11px; color: var(--text-muted); }
.profile-menu a {
  display: flex; align-items: center; gap: 10px; padding: 10px 16px;
  font-size: 13px; color: var(--text-dim); transition: all var(--transition);
}
.profile-menu a:hover { background: rgba(0,245,255,0.06); color: var(--text); padding-left: 20px; }
.profile-menu a.danger:hover { background: rgba(255,68,102,0.08); color: var(--red); }
.profile-menu-sep { height: 1px; background: var(--border); margin: 4px 0; }

/* === CARDS === */
.card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 18px;
  padding: 20px; transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover { border-color: var(--border-hover); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.card-title { font-size: 14px; font-weight: 700; color: var(--text); }

/* Stat cards */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 18px;
  padding: 22px 20px; position: relative; overflow: hidden;
  transition: all var(--transition); cursor: default;
}
.stat-card::after {
  content: ''; position: absolute; top: -30px; right: -30px; width: 100px; height: 100px;
  border-radius: 50%; background: var(--stat-glow, rgba(0,245,255,0.06)); filter: blur(20px);
  pointer-events: none;
}
.stat-card:hover { border-color: var(--border-hover); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.stat-icon {
  width: 40px; height: 40px; border-radius: 12px; display: flex; align-items: center;
  justify-content: center; font-size: 18px; margin-bottom: 14px;
  background: var(--stat-icon-bg, rgba(0,245,255,0.1));
  border: 1px solid var(--stat-icon-border, rgba(0,245,255,0.2));
}
.stat-label { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.stat-value { font-size: 24px; font-weight: 800; color: var(--text); font-family: 'Inter', 'Segoe UI', system-ui, sans-serif; line-height: 1.1; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat-sub { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 4px; }
.stat-up { color: var(--green); }
.stat-down { color: var(--red); }
.stat-badge { display: inline-flex; align-items: center; gap: 3px; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.stat-badge-up { background: rgba(0,255,136,0.1); color: var(--green); border: 1px solid rgba(0,255,136,0.2); }
.stat-badge-down { background: rgba(255,68,102,0.1); color: var(--red); border: 1px solid rgba(255,68,102,0.2); }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px;
  border-radius: 11px; font-size: 13px; font-weight: 600; border: none;
  transition: all var(--transition); cursor: pointer; white-space: nowrap;
  position: relative; overflow: hidden;
}
.btn::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: rgba(255,255,255,0.06); opacity: 0; transition: opacity var(--transition);
}
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(0.97); }
.btn-primary { background: rgba(0,245,255,0.10); border: 1px solid rgba(0,245,255,0.28); color: var(--cyan); }
.btn-primary:hover { background: rgba(0,245,255,0.18); border-color: rgba(0,245,255,0.45); box-shadow: 0 4px 14px rgba(0,245,255,0.15); }
.btn-success { background: rgba(0,255,136,0.10); border: 1px solid rgba(0,255,136,0.28); color: var(--green); }
.btn-success:hover { background: rgba(0,255,136,0.18); border-color: rgba(0,255,136,0.45); box-shadow: 0 4px 14px rgba(0,255,136,0.15); }
.btn-danger { background: rgba(255,68,102,0.10); border: 1px solid rgba(255,68,102,0.28); color: var(--red); }
.btn-danger:hover { background: rgba(255,68,102,0.18); border-color: rgba(255,68,102,0.45); box-shadow: 0 4px 14px rgba(255,68,102,0.15); }
.btn-orange { background: rgba(255,136,0,0.10); border: 1px solid rgba(255,136,0,0.28); color: var(--orange); }
.btn-orange:hover { background: rgba(255,136,0,0.18); border-color: rgba(255,136,0,0.45); }
.btn-purple { background: rgba(167,139,250,0.10); border: 1px solid rgba(167,139,250,0.28); color: var(--purple); }
.btn-purple:hover { background: rgba(167,139,250,0.18); border-color: rgba(167,139,250,0.45); }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 8px; }
.btn-xs { padding: 4px 8px; font-size: 11px; border-radius: 6px; }
.btn-icon { padding: 7px; border-radius: 9px; }
.btn-lg { padding: 12px 24px; font-size: 14px; border-radius: 13px; }

/* === FORMS === */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 11px; font-weight: 700; color: var(--text-dim); margin-bottom: 7px; text-transform: uppercase; letter-spacing: 0.05em; }
.form-control {
  width: 100%; padding: 10px 13px; border-radius: 11px; font-size: 13px;
  background: rgba(5,9,20,0.95); border: 1px solid rgba(0,245,255,0.18);
  color: var(--text); transition: all var(--transition);
}
.form-control:hover { border-color: rgba(0,245,255,0.28); }
.form-control:focus { outline: none; border-color: rgba(0,245,255,0.55); box-shadow: 0 0 0 3px rgba(0,245,255,0.08); background: rgba(0,245,255,0.02); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control { background-color: rgba(5,9,20,0.99); cursor: pointer; }
select.form-control option { background-color: #080d1c; color: var(--text); }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 5px; }

/* === TABLES === */
.table-wrapper { overflow-x: auto; border-radius: 12px; }
table { width: 100%; border-collapse: collapse; }
thead tr { border-bottom: 1px solid var(--border); }
th {
  padding: 11px 14px; text-align: left; font-size: 10px; font-weight: 800;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em;
  white-space: nowrap; background: rgba(0,245,255,0.02);
}
td { padding: 13px 14px; font-size: 13px; color: var(--text); border-bottom: 1px solid rgba(0,245,255,0.04); }
tbody tr { transition: background var(--transition); }
tbody tr:hover td { background: rgba(0,245,255,0.03); }
tbody tr:last-child td { border-bottom: none; }

/* === BADGES === */
.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px;
  border-radius: 20px; font-size: 11px; font-weight: 700; letter-spacing: 0.02em;
}
.badge-cyan { background: rgba(0,245,255,0.10); color: var(--cyan); border: 1px solid rgba(0,245,255,0.22); }
.badge-green { background: rgba(0,255,136,0.10); color: var(--green); border: 1px solid rgba(0,255,136,0.22); }
.badge-red { background: rgba(255,68,102,0.10); color: var(--red); border: 1px solid rgba(255,68,102,0.22); }
.badge-orange { background: rgba(255,136,0,0.10); color: var(--orange); border: 1px solid rgba(255,136,0,0.22); }
.badge-purple { background: rgba(167,139,250,0.10); color: var(--purple); border: 1px solid rgba(167,139,250,0.22); }
.badge-gray { background: rgba(255,255,255,0.05); color: rgba(160,220,255,0.55); border: 1px solid rgba(255,255,255,0.09); }

/* === ALERTS === */
.alert {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 13px 16px; border-radius: 13px; margin-bottom: 18px; font-size: 13px; gap: 10px;
  animation: slideIn 0.3s ease;
}
@keyframes slideIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.alert-success { background: rgba(0,255,136,0.08); border: 1px solid rgba(0,255,136,0.28); color: var(--green); }
.alert-error { background: rgba(255,68,102,0.08); border: 1px solid rgba(255,68,102,0.28); color: var(--red); }
.alert-info { background: rgba(0,245,255,0.08); border: 1px solid rgba(0,245,255,0.28); color: var(--cyan); }
.alert-close { background: none; border: none; color: inherit; font-size: 18px; cursor: pointer; opacity: 0.6; flex-shrink: 0; line-height: 1; }
.alert-close:hover { opacity: 1; }

/* === MODAL === */
.modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.75);
  z-index: 500; align-items: center; justify-content: center; padding: 16px;
  backdrop-filter: blur(4px);
}
.modal-overlay.open { display: flex; animation: fadeIn 0.2s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: rgba(7,11,22,0.99); border: 1px solid rgba(0,245,255,0.2);
  border-radius: 22px; width: 100%; max-width: 580px; max-height: 92vh;
  display: flex; flex-direction: column;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7), var(--glow-cyan);
  animation: modalIn 0.25s cubic-bezier(.34,1.56,.64,1);
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-xl { max-width: 960px; }
.modal-lg { max-width: 820px; }
.modal-sm { max-width: 420px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--border); flex-shrink: 0;
  background: rgba(0,245,255,0.02); border-radius: 22px 22px 0 0;
}
.modal-title { font-size: 16px; font-weight: 800; color: var(--text); }
.modal-close {
  background: rgba(255,68,102,0.08); border: 1px solid rgba(255,68,102,0.15);
  color: var(--text-muted); font-size: 18px; padding: 4px 8px; border-radius: 8px;
  transition: all var(--transition); line-height: 1;
}
.modal-close:hover { background: rgba(255,68,102,0.2); color: var(--red); border-color: rgba(255,68,102,0.4); }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 16px 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px; flex-shrink: 0;
}

/* === PAGINATION === */
.pagination { display: flex; align-items: center; gap: 4px; justify-content: center; margin-top: 22px; flex-wrap: wrap; }
.page-btn {
  padding: 7px 13px; border-radius: 9px; font-size: 12px; font-weight: 700;
  background: rgba(0,245,255,0.05); border: 1px solid var(--border); color: var(--text-dim);
  transition: all var(--transition); cursor: pointer; text-decoration: none; display: inline-block;
}
.page-btn:hover { background: rgba(0,245,255,0.12); color: var(--cyan); border-color: rgba(0,245,255,0.3); transform: translateY(-1px); }
.page-btn.active { background: rgba(0,245,255,0.18); border-color: rgba(0,245,255,0.45); color: var(--cyan); box-shadow: var(--glow-cyan); }
.page-btn:disabled, .page-btn.disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

/* === SEARCH BAR === */
.search-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.search-input-wrap { position: relative; flex: 1; min-width: 220px; }
.search-input-wrap .search-icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; pointer-events: none; }
.search-input-wrap input { padding-left: 34px; }

/* === PAGE HEADER === */
.page-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; margin-bottom: 26px; }
.page-header-title h1 {
  font-size: 24px; font-weight: 900; font-family: 'Orbitron', sans-serif;
  background: linear-gradient(135deg, var(--cyan), var(--cyan2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.page-header-title p { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.page-header-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* === EMPTY STATE === */
.empty-state { text-align: center; padding: 64px 20px; }
.empty-state-icon { font-size: 52px; opacity: 0.18; margin-bottom: 14px; display: block; }
.empty-state p { color: var(--text-muted); font-size: 14px; }

/* === STOCK STATUS === */
.stock-ok { color: var(--green); }
.stock-low { color: var(--orange); }
.stock-out { color: var(--red); }

/* === DIVIDER === */
.divider { height: 1px; background: var(--border); margin: 20px 0; }

/* === GRID HELPERS === */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }

/* === ACTION DROPDOWN === */
.action-menu { position: relative; display: inline-block; }
.action-menu-items {
  display: none; position: absolute; right: 0; top: calc(100% + 6px); min-width: 160px;
  background: rgba(7,11,24,0.99); border: 1px solid rgba(0,245,255,0.2); border-radius: 13px;
  overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.5); z-index: 300;
}
.action-menu.open .action-menu-items { display: block; animation: fadeInDown 0.15s ease; }
.action-menu-item {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px;
  font-size: 13px; color: var(--text-dim); transition: all var(--transition); cursor: pointer;
}
.action-menu-item:hover { background: rgba(0,245,255,0.06); color: var(--text); }
.action-menu-item.danger:hover { background: rgba(255,68,102,0.08); color: var(--red); }

/* === LOADING === */
.spinner { width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--cyan); border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* === RESPONSIVE === */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform var(--transition), width var(--transition); }
  .sidebar.mobile-open { transform: translateX(0); }
  .main-content { margin-left: 0 !important; }
  .topbar-menu-btn { display: flex !important; }
  .topbar-name, .topbar-role { display: none; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .page-content { padding: 16px; }
  .modal { border-radius: 18px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .search-bar { flex-direction: column; align-items: stretch; }
  .page-header { flex-direction: column; align-items: flex-start; }
}