/* ============================================
   NTHG Connect — Dark Design System
   Inspired by Orbit dashboard UX
   ============================================ */

/* --- CSS VARIABLES --- */
:root {
  /* Dark palette */
  --color-primary: #E8364E;
  --color-primary-glow: rgba(232, 54, 78, 0.18);
  --color-bg: #0c0c0e;
  --color-bg-light: #151517;
  --color-bg-elevated: #1a1a1d;
  --color-sidebar: #0a0a0c;
  --color-text-primary: #f0f0f2;
  --color-text-secondary: #8b8b95;
  --color-text-tertiary: #55555f;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(255, 255, 255, 0.12);
  --color-success: #34d399;
  --color-warning: #fbbf24;
  --color-error: #f87171;
  --color-info: #60a5fa;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base: 13px;
  --font-size-sm: 12px;
  --font-size-xs: 11px;
  --font-size-lg: 14px;
  --font-size-xl: 16px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 32px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 100px;

  /* Shadows — subtle glows on dark */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.45);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}
a:hover {
  color: #ff4d66;
}

::selection {
  background: var(--color-primary);
  color: #fff;
}

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

/* --- SIDEBAR --- */
.sidebar {
  width: 240px;
  background: var(--color-sidebar);
  color: #ffffff;
  padding: var(--spacing-2xl) 0;
  overflow-y: auto;
  position: fixed;
  height: 100vh;
  left: 0;
  top: 0;
  z-index: 1000;
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.sidebar-brand {
  margin-bottom: var(--spacing-2xl);
  padding: 0 var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.sidebar-logo {
  height: 22px;
  width: auto;
  opacity: 0.95;
}

/* Sidebar search bar */
.sidebar-search {
  margin: 0 var(--spacing-lg) var(--spacing-xl);
  position: relative;
}

.sidebar-search input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-left: 36px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.sidebar-search input::placeholder {
  color: var(--color-text-tertiary);
}

.sidebar-search input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
}

.sidebar-search svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--color-text-tertiary);
}

.sidebar-search-shortcut {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  color: var(--color-text-tertiary);
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: var(--font-weight-medium);
}

/* Sidebar section label */
.sidebar-section-label {
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-tertiary);
  padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-sm);
}

.sidebar-nav {
  flex: 1;
  list-style: none;
  margin-bottom: var(--spacing-2xl);
  padding: 0 var(--spacing-md);
}

.sidebar-nav a,
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 10px var(--spacing-lg);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 2px;
  transition: all var(--transition-fast);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid transparent;
}

.sidebar-nav a:hover,
.nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-primary);
}

.sidebar-nav a.active,
.nav-item.active {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: var(--color-border);
}

.sidebar-nav a svg,
.nav-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-nav a.active svg,
.nav-item.active svg {
  opacity: 1;
}

.sidebar-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) var(--spacing-xl) 0;
  margin-top: auto;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.sidebar-user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: var(--font-weight-bold);
  font-size: 12px;
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: var(--font-size-sm);
  color: #ffffff;
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-email {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-logout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-sm);
  background: rgba(232, 54, 78, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(232, 54, 78, 0.15);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  width: 100%;
  transition: all var(--transition-fast);
}

.sidebar-logout:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.sidebar-logout svg {
  width: 16px;
  height: 16px;
}

/* --- MAIN AREA --- */
.main {
  flex: 1;
  margin-left: 240px;
  background: var(--color-bg);
  min-height: 100vh;
}

.main-content {
  padding: var(--spacing-2xl) var(--spacing-3xl);
  max-width: 1400px;
}

/* Mobile header */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 12px var(--spacing-lg);
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.mobile-header-logo {
  height: 20px;
  width: 90px;
  max-width: 90px;
  flex-shrink: 0;
  object-fit: contain;
  object-position: left center;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.06);
}

.hamburger span,
.hamburger svg {
  color: var(--color-text-primary);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-base);
  backdrop-filter: blur(4px);
}

.sidebar-overlay.active {
  display: block;
  opacity: 1;
}

/* --- TOP BAR / GREETING --- */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-3xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border);
}

.top-bar-greeting {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.top-bar-date {
  font-size: var(--font-size-base);
  color: var(--color-text-tertiary);
}

/* --- PAGE HEADER --- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-3xl);
  gap: var(--spacing-lg);
}

.page-title {
  margin: 0;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.page-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-sm);
}

.page-actions {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

/* --- KPI CARDS --- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
}

.kpi-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-hover), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.kpi-card:hover {
  border-color: var(--color-border-hover);
}

.kpi-card:hover::before {
  opacity: 1;
}

.kpi-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kpi-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kpi-icon svg {
  width: 16px;
  height: 16px;
  color: var(--color-text-tertiary);
}

.kpi-trend {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  gap: 4px;
}

.kpi-trend.positive {
  color: var(--color-success);
}

.kpi-trend.negative {
  color: var(--color-error);
}

.kpi-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.kpi-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* --- CARDS --- */
.card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  transition: all var(--transition-fast);
}

.card:hover {
  border-color: var(--color-border-hover);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing-lg);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  color: var(--color-text-primary);
}

.card-action {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  white-space: nowrap;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.card-action:hover {
  color: #ff4d66;
}

.card-body {
  color: var(--color-text-secondary);
}

/* Chart card */
.chart-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.chart-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  color: var(--color-text-primary);
}

.chart-tabs {
  display: flex;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.04);
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.chart-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.chart-tab.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-primary);
}

.chart-placeholder {
  height: 300px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  border: 1px dashed var(--color-border);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  height: 34px;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background: #ff4d66;
  border-color: #ff4d66;
  box-shadow: 0 0 20px rgba(232, 54, 78, 0.25);
}

.btn-primary:disabled {
  background: var(--color-bg-elevated);
  border-color: var(--color-border);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-border-hover);
}

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

.btn-tertiary:hover {
  background: var(--color-primary-glow);
}

.btn-lg {
  padding: 10px 20px;
  height: 38px;
  font-size: var(--font-size-base);
}

.btn-block {
  width: 100%;
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* --- BADGES --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

.badge-active,
.badge-success {
  background: rgba(52, 211, 153, 0.12);
  color: var(--color-success);
}

.badge-paused,
.badge-warning {
  background: rgba(251, 191, 36, 0.12);
  color: var(--color-warning);
}

.badge-info {
  background: rgba(96, 165, 250, 0.12);
  color: var(--color-info);
}

.badge-completed,
.badge-gray {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-secondary);
}

.badge-draft {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-tertiary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

.status-dot.active { background: var(--color-success); }
.status-dot.completed { background: var(--color-text-tertiary); }
.status-dot.pending { background: var(--color-warning); }

/* --- TABLES --- */
.table-wrapper {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-base);
}

.table th {
  background: rgba(255, 255, 255, 0.02);
  padding: var(--spacing-lg) var(--spacing-xl);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-border);
}

.table td {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

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

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* --- PROGRESS BAR --- */
.progress-bar {
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

/* --- GRID LAYOUTS --- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.grid-2-col {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

/* --- LIST ITEMS --- */
.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-base);
  transition: background var(--transition-fast);
}

.list-item:hover {
  background: rgba(255, 255, 255, 0.02);
}

.list-item:last-child {
  border-bottom: none;
}

.list-item-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex: 1;
}

.list-item-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.list-item-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.list-item-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.list-item-subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.list-item-stat {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.list-item-rate {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* --- ACTIVITY FEED --- */
.activity-feed {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.activity-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 6px;
  flex-shrink: 0;
}

.activity-content {
  flex: 1;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.activity-title {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.activity-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-sm);
}

/* --- FORMS --- */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  background: var(--color-bg-elevated);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-tertiary);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-sm);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b8b95' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-select option {
  background: var(--color-bg-light);
  color: var(--color-text-primary);
}

/* --- MODALS --- */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 520px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp var(--transition-base);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  padding: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  color: var(--color-text-primary);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  color: var(--color-text-tertiary);
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-primary);
}

.modal-body {
  padding: var(--spacing-2xl);
}

.modal-footer {
  padding: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--spacing-lg);
  justify-content: flex-end;
}

/* --- TOASTS --- */
.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 3000;
  max-width: 400px;
}

.toast {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  animation: slideInRight var(--transition-base);
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast.success { border-left-color: var(--color-success); }
.toast.error { border-left-color: var(--color-error); }
.toast.warning { border-left-color: var(--color-warning); }
.toast.info { border-left-color: var(--color-info); }

.toast-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* --- LOADING --- */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.skeleton {
  background: linear-gradient(90deg, var(--color-bg-light) 0%, var(--color-bg-elevated) 50%, var(--color-bg-light) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- EMPTY STATE --- */
.empty-state {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-2xl);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-lg);
  opacity: 0.2;
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.empty-state-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* --- STAT ITEMS (Quick Stats) --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.stat-item {
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: var(--font-weight-semibold);
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

/* Top campaign section */
.top-campaign-content { padding: var(--spacing-md) 0; }
.top-campaign-item { margin-bottom: var(--spacing-lg); }
.top-campaign-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  font-weight: var(--font-weight-semibold);
}
.top-campaign-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}
.top-campaign-views {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-top: var(--spacing-sm);
}
.top-campaign-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}
.top-campaign-stat {
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.top-campaign-stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.top-campaign-stat-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* Numeric alignment */
.numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* --- RESPONSIVE --- */
@media (max-width: 1200px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -240px;
    width: 240px;
    transition: left var(--transition-base);
    z-index: 1000;
  }

  .sidebar.active {
    left: 0;
  }

  .main {
    margin-left: 0;
  }

  .main-content {
    padding: var(--spacing-lg);
  }

  .mobile-header {
    display: flex !important;
  }

  .hamburger {
    display: flex !important;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
  }

  .kpi-card {
    padding: var(--spacing-lg);
  }

  .kpi-value {
    font-size: var(--font-size-2xl);
  }

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

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

  .page-actions {
    flex-wrap: wrap;
    width: 100%;
  }

  .table {
    font-size: var(--font-size-sm);
  }

  .table th,
  .table td {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .modal-content {
    width: 95%;
  }

  .toast-container {
    left: var(--spacing-md);
    right: var(--spacing-md);
    max-width: none;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .top-campaign-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-base: 12px;
  }

  .main-content {
    padding: var(--spacing-md);
  }

  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .kpi-value {
    font-size: var(--font-size-2xl);
  }

  .card {
    padding: var(--spacing-lg);
  }

  .btn {
    padding: 6px 12px;
    font-size: var(--font-size-xs);
    height: 28px;
  }

  .btn-lg {
    height: 32px;
    padding: 8px 16px;
  }

  .list-item {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .page-title {
    font-size: var(--font-size-xl);
  }

  .table th,
  .table td {
    padding: var(--spacing-md);
  }
}

/* --- UTILITIES --- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-secondary); }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.hidden { display: none !important; }
.visible { display: block !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: 8px 16px;
  background: var(--color-primary);
  color: #ffffff;
  font-weight: var(--font-weight-bold);
  z-index: 10000;
  text-decoration: none;
  font-size: 14px;
  border-radius: 0 0 4px 0;
}

.skip-link:focus {
  top: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- SCROLLBAR STYLING --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.18);
}

/* Client multi-select dark overrides */
.client-multiselect {
  background: var(--color-bg-elevated);
  border-color: var(--color-border);
}

.client-multiselect:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.client-chip {
  background: rgba(232, 54, 78, 0.15);
  color: var(--color-primary);
}

.client-dropdown {
  background: var(--color-bg-light);
  border-color: var(--color-border);
}

.client-dropdown-item {
  color: var(--color-text-primary);
}

.client-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.client-search-input {
  color: var(--color-text-primary);
  background: transparent;
}

.client-search-input::placeholder {
  color: var(--color-text-tertiary);
}

/* Extra button variants */
.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-xs);
  height: auto;
}

.btn-danger {
  background: rgba(248, 113, 113, 0.12);
  color: var(--color-error);
  border: 1px solid rgba(248, 113, 113, 0.2);
}

.btn-danger:hover {
  background: var(--color-error);
  color: #ffffff;
  border-color: var(--color-error);
}

.btn-edit {
  background: rgba(96, 165, 250, 0.12);
  color: var(--color-info);
  border: 1px solid rgba(96, 165, 250, 0.2);
}

.btn-edit:hover {
  background: var(--color-info);
  color: #ffffff;
  border-color: var(--color-info);
}

/* Confirmation text */
.confirmation-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-base);
}

/* Table actions */
.table-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}