/* TemboNet Uganda - ISP Management System */
/* Theme: Pink & Cyan - Modern Telecom */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Primary Palette */
  --pink-50: #fff0f6;
  --pink-100: #ffd6e7;
  --pink-200: #ffadd2;
  --pink-300: #ff85c2;
  --pink-400: #f759ab;
  --pink-500: #eb2f96;
  --pink-600: #c41d7f;
  --pink-700: #9e1068;

  --cyan-50: #e6fffb;
  --cyan-100: #b5f5ec;
  --cyan-200: #87e8de;
  --cyan-300: #5cdbd3;
  --cyan-400: #36cfc9;
  --cyan-500: #13c2c2;
  --cyan-600: #08979c;
  --cyan-700: #006d75;

  /* Neutral */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Semantic */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  /* Layout */
  --sidebar-width: 260px;
  --sidebar-collapsed: 70px;
  --header-height: 64px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-pink: 0 4px 20px rgba(235, 47, 150, 0.25);
  --shadow-cyan: 0 4px 20px rgba(19, 194, 194, 0.25);

  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================== RESET & BASE ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ===================== SCROLLBAR ===================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); border-radius: 10px; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--pink-400); }

/* ===================== AUTH PAGES ===================== */
.auth-bg {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gray-900) 0%, #1a0533 40%, var(--cyan-700) 100%);
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.auth-bg::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(235,47,150,0.2) 0%, transparent 70%);
  top: -100px; right: -100px;
  border-radius: 50%;
  animation: pulse-glow 4s ease-in-out infinite;
}

.auth-bg::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(19,194,194,0.15) 0%, transparent 70%);
  bottom: -80px; left: -80px;
  border-radius: 50%;
  animation: pulse-glow 4s ease-in-out infinite 2s;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 1; }
}

.auth-card {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-xl);
  padding: 48px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.1);
  position: relative;
  z-index: 10;
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo-mark {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--pink-500), var(--cyan-500));
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-pink);
}

.auth-logo h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.5px;
}

.auth-logo span {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.auth-title { font-size: 20px; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; }
.auth-subtitle { font-size: 13px; color: var(--gray-500); margin-bottom: 28px; }

/* ===================== LAYOUT ===================== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ===================== SIDEBAR ===================== */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--gray-900);
  position: fixed;
  left: 0; top: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: var(--transition-slow);
  overflow: hidden;
}

.sidebar.collapsed { width: var(--sidebar-collapsed); }

.sidebar-logo {
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.logo-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--pink-500), var(--cyan-500));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: var(--shadow-pink);
}

.logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.logo-text span {
  display: block;
  font-size: 10px;
  font-weight: 400;
  color: var(--gray-400);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: -2px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.nav-section {
  margin-bottom: 4px;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--gray-500);
  padding: 8px 20px 4px;
  white-space: nowrap;
  overflow: hidden;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--gray-400);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  border-radius: 0;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(235,47,150,0.15), rgba(19,194,194,0.08));
  color: #fff;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--pink-500), var(--cyan-500));
  border-radius: 0 3px 3px 0;
}

.nav-item .nav-icon {
  font-size: 16px;
  width: 20px;
  flex-shrink: 0;
  text-align: center;
}

.nav-badge {
  margin-left: auto;
  background: rgba(0,0,0,.08);
  color: var(--gray-600);
  font-size: 11px;
  font-weight: 600;
  padding: 1px 8px;
  border-radius: 20px;
  min-width: 20px;
  text-align: center;
  flex-shrink: 0;
}
.nav-item.active .nav-badge {
  background: rgba(255,255,255,.25);
  color: #fff;
}

.nav-badge.cyan { background: var(--cyan-500); }
.nav-badge.warning { background: var(--warning); }

/* Nested nav children */
.nav-chevron {
  margin-left: auto;
  font-size: 16px;
  color: rgba(255,255,255,.4);
  transition: transform .2s ease;
  display: inline-block;
  line-height: 1;
}
.nav-chevron.open {
  transform: rotate(90deg);
}
.nav-has-children .nav-badge {
  margin-left: 0;
}
.nav-children {
  display: none;
  overflow: hidden;
}
.nav-children.open {
  display: block;
}
.nav-child {
  padding-left: 42px !important;
  font-size: 13px;
  opacity: .88;
  border-left: 2px solid transparent;
  margin-left: 12px;
  border-radius: 0 6px 6px 0 !important;
}
.nav-child:hover {
  border-left-color: rgba(255,255,255,.3);
  opacity: 1;
}
.nav-child.active {
  border-left-color: var(--cyan-400, #22d3ee);
  opacity: 1;
}

.sidebar-bottom {
  padding: 12px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ===================== MAIN CONTENT ===================== */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: var(--transition-slow);
}

.main-content.expanded { margin-left: var(--sidebar-collapsed); }

/* ===================== TOPBAR ===================== */
.topbar {
  height: var(--header-height);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.topbar-toggle {
  width: 36px; height: 36px;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--gray-600);
  transition: var(--transition);
  flex-shrink: 0;
}

.topbar-toggle:hover { background: var(--gray-100); color: var(--pink-500); }

.topbar-search {
  flex: 1;
  max-width: 320px;
  position: relative;
}

.topbar-search input {
  width: 100%;
  height: 36px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  padding: 0 12px 0 36px;
  font-size: 13px;
  color: var(--gray-700);
  outline: none;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.topbar-search input:focus {
  background: #fff;
  border-color: var(--pink-400);
  box-shadow: 0 0 0 3px rgba(235,47,150,0.1);
}

.topbar-search .search-icon {
  position: absolute;
  left: 11px; top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: 14px;
}

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-icon-btn {
  width: 36px; height: 36px;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--gray-600);
  transition: var(--transition);
  position: relative;
}

.topbar-icon-btn:hover { background: var(--gray-100); color: var(--pink-500); }

.notification-dot {
  position: absolute;
  top: 7px; right: 7px;
  width: 8px; height: 8px;
  background: var(--pink-500);
  border-radius: 50%;
  border: 2px solid #fff;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition);
  background: none;
}

.topbar-user:hover { background: var(--gray-100); }

.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink-500), var(--cyan-500));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #fff;
  font-weight: 600;
  flex-shrink: 0;
}

.user-info { display: none; }

@media (min-width: 768px) {
  .user-info { display: block; }
  .user-info .user-name { font-size: 13px; font-weight: 600; color: var(--gray-800); }
  .user-info .user-role { font-size: 11px; color: var(--gray-500); }
}

/* ===================== PAGE CONTENT ===================== */
.page-content {
  padding: 24px;
  flex: 1;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header-left h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.5px;
}

.page-header-left p {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.breadcrumb a { color: var(--pink-500); text-decoration: none; }
.breadcrumb span { color: var(--gray-400); }

/* ===================== CARDS ===================== */
.card {
  background: #fff;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body { padding: 20px; }

/* ===================== STAT CARDS ===================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  border-radius: 0 0 0 80px;
  opacity: 0.08;
}

.stat-card.pink::before { background: var(--pink-500); }
.stat-card.cyan::before { background: var(--cyan-500); }
.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.info::before { background: var(--info); }
.stat-card.danger::before { background: var(--danger); }

.stat-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}

.stat-icon.pink { background: var(--pink-50); color: var(--pink-500); }
.stat-icon.cyan { background: var(--cyan-50); color: var(--cyan-600); }
.stat-icon.success { background: #ecfdf5; color: var(--success); }
.stat-icon.warning { background: #fffbeb; color: var(--warning); }
.stat-icon.info { background: #eff6ff; color: var(--info); }
.stat-icon.danger { background: #fef2f2; color: var(--danger); }

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-change {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 8px;
  padding: 2px 7px;
  border-radius: 20px;
}

.stat-change.up { background: #ecfdf5; color: var(--success); }
.stat-change.down { background: #fef2f2; color: var(--danger); }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--border-radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  font-family: 'Inter', sans-serif;
  line-height: 1;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
  color: #fff;
  box-shadow: var(--shadow-pink);
}

.btn-primary:hover { background: linear-gradient(135deg, var(--pink-600), var(--pink-700)); transform: translateY(-1px); }

.btn-cyan {
  background: linear-gradient(135deg, var(--cyan-500), var(--cyan-600));
  color: #fff;
  box-shadow: var(--shadow-cyan);
}

.btn-cyan:hover { background: linear-gradient(135deg, var(--cyan-600), var(--cyan-700)); transform: translateY(-1px); }

.btn-outline {
  background: #fff;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-outline:hover { background: var(--gray-50); border-color: var(--pink-400); color: var(--pink-500); }

.btn-success { background: linear-gradient(135deg, #10b981, #059669); color: #fff; }
.btn-danger { background: linear-gradient(135deg, var(--danger), #dc2626); color: #fff; }
.btn-warning { background: linear-gradient(135deg, var(--warning), #d97706); color: #fff; }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-icon { padding: 9px; width: 36px; height: 36px; justify-content: center; }
.btn-icon.sm { padding: 6px; width: 30px; height: 30px; }

/* ===================== FORMS ===================== */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-label .required { color: var(--pink-500); margin-left: 2px; }

.form-control {
  width: 100%;
  height: 40px;
  padding: 0 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--border-radius-sm);
  font-size: 13px;
  color: var(--gray-800);
  background: #fff;
  outline: none;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.form-control:focus {
  border-color: var(--pink-400);
  box-shadow: 0 0 0 3px rgba(235,47,150,0.1);
}

.form-control:disabled {
  background: var(--gray-100);
  color: var(--gray-500);
}

select.form-control { cursor: pointer; }

textarea.form-control {
  height: auto;
  padding: 10px 14px;
  resize: vertical;
  min-height: 90px;
}

.form-hint { font-size: 11px; color: var(--gray-500); margin-top: 4px; }
.form-error { font-size: 11px; color: var(--danger); margin-top: 4px; }

.input-group {
  position: relative;
  display: flex;
}

.input-group .input-prefix,
.input-group .input-suffix {
  display: flex;
  align-items: center;
  padding: 0 12px;
  background: var(--gray-100);
  border: 1.5px solid var(--gray-300);
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 500;
  white-space: nowrap;
}

.input-group .input-prefix { border-right: 0; border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm); }
.input-group .input-suffix { border-left: 0; border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0; }
.input-group .form-control { flex: 1; }
.input-group .input-prefix + .form-control { border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0; }
.input-group .form-control:has(+ .input-suffix) { border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm); }

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

/* ===================== TABLES ===================== */
.table-container { overflow-x: auto; }

.data-table, .table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead th, .table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--gray-500);
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

.data-table tbody td, .table tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  vertical-align: middle;
}

.data-table tbody tr:last-child td, .table tbody tr:last-child td { border-bottom: none; }

.data-table tbody tr:hover td, .table tbody tr:hover td { background: var(--pink-50); }

.data-table .actions, .table .actions { display: flex; gap: 6px; align-items: center; }

/* badge-secondary alias */
.badge-secondary { background: var(--gray-100); color: var(--gray-600); }

/* ===================== BADGES / STATUS ===================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef9c3; color: #854d0e; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-pink { background: var(--pink-50); color: var(--pink-600); }
.badge-cyan { background: var(--cyan-50); color: var(--cyan-700); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.online { background: var(--success); box-shadow: 0 0 0 2px rgba(16,185,129,0.2); }
.status-dot.offline { background: var(--danger); }
.status-dot.warning { background: var(--warning); }

/* ===================== PAGINATION ===================== */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
  padding: 16px 0 4px;
}

.page-btn {
  width: 32px; height: 32px;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  background: #fff;
  color: var(--gray-700);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.page-btn:hover { border-color: var(--pink-400); color: var(--pink-500); }
.page-btn.active { background: var(--pink-500); border-color: var(--pink-500); color: #fff; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===================== MODAL ===================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.show { opacity: 1; visibility: visible; }

.modal {
  background: #fff;
  border-radius: var(--border-radius-lg);
  width: 100%;
  max-width: 580px;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95) translateY(10px);
  transition: var(--transition);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-overlay.show .modal { transform: scale(1) translateY(0); }

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-title { font-size: 16px; font-weight: 700; color: var(--gray-900); }
.modal-body { padding: 24px; overflow-y: auto; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

.modal-close {
  width: 32px; height: 32px;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  background: none;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  transition: var(--transition);
}

.modal-close:hover { background: var(--gray-100); color: var(--gray-800); }

/* ===================== ALERTS / TOASTS ===================== */
.alert {
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  border-left: 4px solid;
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}

.alert-success { background: #f0fdf4; border-color: var(--success); color: #166534; }
.alert-danger { background: #fef2f2; border-color: var(--danger); color: #991b1b; }
.alert-warning { background: #fffbeb; border-color: var(--warning); color: #92400e; }
.alert-info { background: #eff6ff; border-color: var(--info); color: #1e40af; }

.toast-container {
  position: fixed;
  top: 80px; right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--gray-900);
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-md);
  pointer-events: all;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  max-width: 320px;
}

.toast.show { transform: translateX(0); }
.toast.success { border-left: 3px solid var(--success); }
.toast.danger { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }

/* ===================== TABS ===================== */
.tab-nav {
  display: flex;
  gap: 2px;
  padding: 4px;
  background: var(--gray-100);
  border-radius: var(--border-radius-sm);
  margin-bottom: 20px;
  width: fit-content;
}

.tab-btn {
  padding: 7px 16px;
  border-radius: 6px;
  border: none;
  background: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-btn.active {
  background: #fff;
  color: var(--pink-600);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===================== CHARTS PLACEHOLDER ===================== */
.chart-container {
  width: 100%;
  position: relative;
  background: var(--gray-50);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  padding: 20px 16px 0;
  gap: 6px;
}

.chart-bar {
  flex: 1;
  border-radius: 4px 4px 0 0;
  transition: var(--transition-slow);
  position: relative;
  cursor: pointer;
  max-width: 40px;
}

.chart-bar:hover { opacity: 0.85; }
.chart-bar.pink { background: linear-gradient(180deg, var(--pink-500), var(--pink-300)); }
.chart-bar.cyan { background: linear-gradient(180deg, var(--cyan-500), var(--cyan-300)); }
.chart-bar.gradient { background: linear-gradient(180deg, var(--pink-500), var(--cyan-500)); }

.chart-labels {
  display: flex;
  justify-content: space-around;
  padding: 8px 16px;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
}

.chart-label { font-size: 11px; color: var(--gray-500); text-align: center; flex: 1; }

/* ===================== PROGRESS BARS ===================== */
.progress {
  height: 6px;
  background: var(--gray-200);
  border-radius: 20px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: 20px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-bar.pink { background: linear-gradient(90deg, var(--pink-500), var(--pink-300)); }
.progress-bar.cyan { background: linear-gradient(90deg, var(--cyan-500), var(--cyan-300)); }
.progress-bar.success { background: var(--success); }
.progress-bar.warning { background: var(--warning); }
.progress-bar.danger { background: var(--danger); }

/* ===================== NETWORK STATUS CARDS ===================== */
.network-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.network-device-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  padding: 14px;
  transition: var(--transition);
}

.network-device-card:hover { box-shadow: var(--shadow); border-color: var(--cyan-300); }

.device-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.device-name { font-size: 13px; font-weight: 600; color: var(--gray-800); }
.device-type { font-size: 11px; color: var(--gray-500); margin-top: 1px; }

.device-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.metric-item label { font-size: 10px; color: var(--gray-500); text-transform: uppercase; font-weight: 600; letter-spacing: 0.5px; }
.metric-item .value { font-size: 13px; font-weight: 700; color: var(--gray-800); }

/* ===================== BILLING / INVOICE ===================== */
.invoice-preview {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: 32px;
  max-width: 700px;
}

.invoice-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}

.invoice-logo-area h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--pink-500), var(--cyan-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.invoice-number { font-size: 13px; color: var(--gray-500); }
.invoice-number strong { display: block; font-size: 20px; color: var(--gray-900); font-weight: 700; }

.invoice-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.party-block label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px; font-weight: 700; color: var(--gray-500); margin-bottom: 8px; display: block; }
.party-block p { font-size: 13px; color: var(--gray-700); line-height: 1.8; }

.invoice-table th { background: var(--gray-900); color: #fff; }
.invoice-table tbody td { vertical-align: middle; }
.invoice-total-row td { font-weight: 700; border-top: 2px solid var(--gray-200); }
.invoice-grand-total { background: linear-gradient(135deg, var(--pink-50), var(--cyan-50)); font-size: 15px !important; }

/* ===================== MOBILE MONEY ===================== */
.momo-option {
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: 16px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 14px;
}

.momo-option:hover, .momo-option.selected {
  border-color: var(--pink-400);
  background: var(--pink-50);
}

.momo-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

/* ===================== SIDEBAR OVERLAY (MOBILE) ===================== */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}

/* ===================== CUSTOMER PORTAL ===================== */
.portal-hero {
  background: linear-gradient(135deg, var(--gray-900) 0%, #1a0533 50%, var(--cyan-800) 100%);
  padding: 32px 24px;
  color: #fff;
  border-radius: var(--border-radius-lg);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.portal-hero::before {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(235,47,150,0.3), transparent);
  top: -60px; right: -30px;
  border-radius: 50%;
}

.portal-hero h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

/* ===================== DROPDOWN ===================== */
.dropdown { position: relative; display: inline-block; }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-md);
  min-width: 180px;
  z-index: 60;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: var(--transition);
  overflow: hidden;
}

.dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--gray-700);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.dropdown-item:hover { background: var(--gray-50); color: var(--pink-500); }
.dropdown-item.danger:hover { background: #fef2f2; color: var(--danger); }
.dropdown-divider { border-top: 1px solid var(--gray-100); margin: 4px 0; }

/* ===================== CHECKBOXES / RADIO ===================== */
.check-group {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.check-group input[type="checkbox"],
.check-group input[type="radio"] {
  width: 16px; height: 16px;
  accent-color: var(--pink-500);
  cursor: pointer;
}

/* ===================== TOGGLE SWITCH ===================== */
.toggle-switch {
  position: relative;
  width: 44px; height: 24px;
  cursor: pointer;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--gray-300);
  border-radius: 24px;
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
  background: linear-gradient(135deg, var(--pink-500), var(--cyan-500));
}

.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ===================== TICKET PRIORITY ===================== */
.priority-critical { color: var(--danger); font-weight: 700; }
.priority-high { color: #f97316; font-weight: 600; }
.priority-medium { color: var(--warning); font-weight: 600; }
.priority-low { color: var(--success); font-weight: 600; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 240px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: block;
  }

  .sidebar-overlay.show {
    display: block;
  }

  .main-content {
    margin-left: 0 !important;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .page-content { padding: 16px; }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .invoice-parties {
    grid-template-columns: 1fr;
  }

  .invoice-header {
    flex-direction: column;
    gap: 16px;
  }

  .tab-nav {
    width: 100%;
    overflow-x: auto;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-value { font-size: 22px; }
  .stat-card { padding: 14px; }
  .stat-icon { width: 36px; height: 36px; }

  .auth-card { padding: 28px 20px; }

  .topbar { padding: 0 16px; }
  .topbar-search { display: none; }

  .page-header { gap: 10px; }
  .page-header .btn,
  .page-header a.btn { width: 100%; justify-content: center; }

  .form-grid-2 { grid-template-columns: 1fr; }

  .modal { width: 95vw !important; max-width: none !important; margin: 16px; }
  .modal-body { padding: 16px; }
  .modal-footer { padding: 12px 16px; flex-direction: column; }
  .modal-footer .btn { width: 100%; justify-content: center; }

  .tab-nav { gap: 0; }
  .tab-btn { padding: 8px 12px; font-size: 12px; }
}

/* ===================== ANIMATIONS ===================== */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideIn { from { transform: translateX(-10px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.fade-in { animation: fadeIn 0.3s ease forwards; }
.slide-in { animation: slideIn 0.3s ease forwards; }

.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--gray-200);
  border-top-color: var(--pink-500);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ===================== DARK THEME ===================== */
[data-theme="dark"] body { background: #0f172a; color: #e2e8f0; }
[data-theme="dark"] .card { background: #1e293b; border-color: #334155; }
[data-theme="dark"] .card-header { border-color: #334155; }
[data-theme="dark"] .topbar { background: #1e293b; border-color: #334155; }
[data-theme="dark"] .form-control { background: #1e293b; border-color: #334155; color: #e2e8f0; }
[data-theme="dark"] .table thead th { background: #1e293b; color: #94a3b8; border-color: #334155; }
[data-theme="dark"] .table tbody td { border-color: #334155; color: #cbd5e1; }
[data-theme="dark"] .table tbody tr:hover td { background: #334155; }
[data-theme="dark"] .dropdown-menu { background: #1e293b; border-color: #334155; }
[data-theme="dark"] .dropdown-item { color: #cbd5e1; }
[data-theme="dark"] .dropdown-item:hover { background: #334155; }
[data-theme="dark"] .stat-card { background: #1e293b; border-color: #334155; }
[data-theme="dark"] .stat-value { color: #f1f5f9; }
[data-theme="dark"] .btn-outline { background: #1e293b; color: #cbd5e1; border-color: #334155; }
[data-theme="dark"] .form-label { color: #94a3b8; }

/* ===================== PRINT STYLES ===================== */
@media print {
  .sidebar, .topbar, .page-header .btn, .no-print { display: none !important; }
  .main-content { margin: 0 !important; }
  .invoice-preview { border: none; padding: 0; }
}

/* ===================== GRADIENT UTILITIES ===================== */
.gradient-text {
  background: linear-gradient(135deg, var(--pink-500), var(--cyan-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-bg { background: linear-gradient(135deg, var(--pink-500), var(--cyan-500)); }
.gradient-border { border-image: linear-gradient(135deg, var(--pink-500), var(--cyan-500)) 1; }

/* ===== ADDITIONAL BADGE VARIANTS ===== */
.badge-purple { background: rgba(114,46,209,.12); color: #722ed1; }
.badge-orange { background: rgba(250,140,22,.12); color: #fa8c16; }
.badge-default { background: var(--gray-100); color: var(--gray-600); }
.badge-blue { background: rgba(24,144,255,.12); color: #1890ff; }

/* ===== PACKAGES PAGE ===== */
.badge-pink { background: rgba(235,47,150,.12); color: #eb2f96; }
.form-group-full { grid-column: 1 / -1; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ===== PROGRESS BAR ===== */
.progress-bar-track { height: 6px; background: var(--gray-200); border-radius: 3px; overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: 3px; background: var(--pink-500); transition: width .3s; }

/* ===== AVATAR CIRCLE ===== */
.avatar-circle { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, #eb2f96, #13c2c2); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 15px; flex-shrink: 0; }

/* ===== STAT TRENDS ===== */
.stat-trend { font-size: 11px; margin-top: 2px; }
.trend-up { color: #52c41a; }
.trend-down { color: #ff4d4f; }

/* ===== SECTION HEADER ===== */
.section-header { margin-bottom: 14px; }
.section-title { font-size: 16px; font-weight: 700; color: var(--gray-900); }

/* ===== PULSE ANIMATION ===== */
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }

/* ===== HOTSPOT/FIBER TOGGLE ===== */
.toggle-label { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--gray-700); }
.toggle-label input[type=checkbox] { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle-slider { position: relative; display: inline-block; width: 36px; height: 20px; background: var(--gray-300); border-radius: 10px; transition: background .2s; flex-shrink: 0; }
.toggle-slider::after { content: ''; position: absolute; width: 14px; height: 14px; border-radius: 50%; background: #fff; top: 3px; left: 3px; transition: transform .2s; box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.toggle-label input:checked + .toggle-slider { background: var(--pink-500); }
.toggle-label input:checked + .toggle-slider::after { transform: translateX(16px); }

/* ===== BTN VARIANTS ===== */
.btn-success { background: #52c41a; color: #fff; border-color: #52c41a; }
.btn-success:hover { background: #389e0d; }