/* NextSaaS Console Modern UI Theme - Responsive Optimized */
:root {
  --bg-main: #0B0F17;
  --bg-surface: #111827;
  --bg-card: #161F30;
  --bg-card-hover: #1E293B;
  --border-color: #243046;
  --border-focus: #3B82F6;
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-sub: #64748B;
  
  --primary: #3B82F6;
  --primary-hover: #2563EB;
  --primary-glow: rgba(59, 130, 246, 0.2);
  
  --accent-pink: #EC4899;
  --accent-pink-glow: rgba(236, 72, 153, 0.2);
  --success: #10B981;
  --success-glow: rgba(16, 185, 129, 0.2);
  --warning: #F59E0B;
  --warning-glow: rgba(245, 158, 11, 0.2);
  --info: #06B6D4;
  --danger: #EF4444;
  
  --sidebar-width: 260px;
  --header-height: 64px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

/* App Wrapper */
.app-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* Sidebar Backdrop (Mobile overlay) */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 45;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-close-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.sidebar-close-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-card);
}

.logo-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 17px;
  box-shadow: 0 0 15px var(--primary-glow);
  flex-shrink: 0;
}

.logo-text {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.logo-tag {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 10px 10px 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 13.5px;
  transition: var(--transition);
}

.nav-link:hover {
  background-color: var(--bg-card);
  color: var(--text-main);
}

.nav-link.active {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.15), rgba(59, 130, 246, 0.05));
  color: var(--primary);
  border-left: 3px solid var(--primary);
  font-weight: 600;
}

.nav-link svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 14px;
  border-top: 1px solid var(--border-color);
  background-color: rgba(17, 24, 39, 0.6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #3B82F6;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 12px;
  flex-shrink: 0;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  max-width: 130px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 10px;
  color: var(--text-muted);
}

.logout-btn {
  color: var(--text-muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.logout-btn:hover {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

/* Main Content Wrapper */
.main-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  width: 100%;
}

/* Top Header */
.top-header {
  height: var(--header-height);
  background-color: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 30;
}

.top-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.page-title-wrap {
  min-width: 0;
}

.page-title-wrap h1 {
  font-size: clamp(15px, 3.5vw, 19px);
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background-color: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--success);
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 9999px;
  white-space: nowrap;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 0 15px var(--primary-glow);
}

.btn-secondary {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--text-sub);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

/* Page Body Container */
.page-content {
  padding: 24px;
  max-width: 1600px;
  width: 100%;
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: var(--shadow-md);
}

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

.kpi-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-icon-box {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.05);
  flex-shrink: 0;
}

.kpi-icon-box.blue { color: var(--primary); background-color: var(--primary-glow); }
.kpi-icon-box.pink { color: var(--accent-pink); background-color: var(--accent-pink-glow); }
.kpi-icon-box.green { color: var(--success); background-color: var(--success-glow); }
.kpi-icon-box.amber { color: var(--warning); background-color: var(--warning-glow); }
.kpi-icon-box.cyan { color: var(--info); background-color: rgba(6, 182, 212, 0.2); }

.kpi-value {
  font-size: clamp(22px, 5vw, 27px);
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
  line-height: 1.1;
  word-break: break-word;
}

.kpi-sub {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.kpi-tag {
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10.5px;
}

.kpi-tag.green { background: var(--success-glow); color: var(--success); }
.kpi-tag.blue { background: var(--primary-glow); color: var(--primary); }

/* Card Panels */
.card-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  overflow: hidden;
}

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

.panel-title-wrap {
  min-width: 0;
}

.panel-title-wrap h3 {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-main);
}

.panel-title-wrap p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.card-panel-body {
  padding: 20px;
}

/* Layout Split Grids */
.grid-2-cols {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.grid-equal-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.grid-3-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

/* Charts container */
.chart-container {
  position: relative;
  width: 100%;
  height: clamp(240px, 35vh, 320px);
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table.data-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

table.data-table th {
  background-color: rgba(17, 24, 39, 0.6);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.05em;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

table.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(36, 48, 70, 0.5);
  color: var(--text-main);
  vertical-align: middle;
}

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

table.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-primary { background: var(--primary-glow); color: var(--primary); border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-pink { background: var(--accent-pink-glow); color: var(--accent-pink); border: 1px solid rgba(236, 72, 153, 0.3); }
.badge-success { background: var(--success-glow); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-warning { background: var(--warning-glow); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-info { background: rgba(6, 182, 212, 0.2); color: var(--info); border: 1px solid rgba(6, 182, 212, 0.3); }

/* Activity Feed */
.activity-feed {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(36, 48, 70, 0.4);
}

.activity-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.activity-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
}

.activity-content {
  flex: 1;
  min-width: 0;
}

.activity-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.activity-time {
  font-size: 11px;
  color: var(--text-sub);
  font-weight: normal;
  white-space: nowrap;
}

.activity-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  word-break: break-word;
}

/* Search bar */
.search-input-wrap {
  position: relative;
  display: inline-block;
}

.search-input {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 7px 12px 7px 32px;
  color: var(--text-main);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
  width: 200px;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.search-icon {
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-sub);
  pointer-events: none;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  padding: 6px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.mobile-toggle:hover {
  background-color: var(--bg-card);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .grid-2-cols, .grid-equal-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-close-btn {
    display: block;
  }
  .main-wrapper {
    margin-left: 0;
  }
  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .page-content {
    padding: 14px;
  }
  .top-header {
    padding: 0 14px;
    height: 58px;
  }
  .kpi-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .card-panel-body {
    padding: 14px;
  }
  .card-panel-header {
    padding: 14px;
  }
  .search-input-wrap,
  .search-input {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .badge-live-text {
    display: none;
  }
  .btn-refresh-text {
    display: none;
  }
  .btn-sm {
    padding: 6px 8px;
  }
  .kpi-value {
    font-size: 23px;
  }
}