:root {
  /* Dynamic Neumorphic Dark Theme */
  --bg-color: #0d0f17;
  --panel-bg: rgba(22, 25, 43, 0.45);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text-main: #f0f2f8;
  --text-muted: #8c96ae;
  
  /* Vibrant Accents */
  --neon-blue: #00f0ff;
  --neon-purple: #b052ff;
  --neon-pink: #ff2a85;
  --neon-green: #39ff14;
  --js-brand: #4f8ef7;
  --lt-brand: #34c98e;
  
  /* Glassmorphism */
  --backdrop-blur: blur(16px);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Base Headings */
h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  letter-spacing: -0.5px;
}

/* ------------- Animated Background Orbs ------------- */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.5;
  animation: float 20s infinite alternate;
}
.glow-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--neon-purple) 0%, transparent 70%);
  top: -100px; left: -100px;
}
.glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,240,255,0.4) 0%, transparent 70%);
  bottom: -200px; right: -100px;
  animation-delay: -5s;
}
.glow-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,42,133,0.3) 0%, transparent 70%);
  top: 40%; left: 30%;
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, -50px) scale(1.1); }
  100% { transform: translate(-30px, 40px) scale(0.9); }
}

/* ------------- Base Glass Panel ------------- */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ------------- App Layout ------------- */
.app-container {
  display: flex;
  min-height: 100vh;
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px;
  gap: 24px;
}

/* ------------- Sidebar ------------- */
.sidebar {
  width: 280px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  position: sticky;
  top: 24px;
  height: calc(100vh - 48px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}
.logo {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 20px rgba(176,82,255,0.5);
}
.brand h1 {
  font-size: 22px;
  font-weight: 700;
}
.brand p {
  font-size: 13px;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.nav-item {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  padding: 14px 18px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-main);
  transform: translateX(5px);
}
.nav-item.active {
  background: linear-gradient(90deg, rgba(0,240,255,0.1) 0%, transparent 100%);
  color: var(--neon-blue);
  border-left: 3px solid var(--neon-blue);
}
.nav-icon {
  font-size: 18px;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--panel-border);
}
.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}
.user-profile img {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--neon-purple);
}
.user-name {
  display: block; font-weight: 600; font-size: 14px;
}
.user-role {
  display: block; font-size: 12px; color: var(--text-muted);
}

/* ------------- Main Content ------------- */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 32px;
  min-width: 0;
}

/* Topbar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.page-title {
  font-size: 32px;
  background: linear-gradient(to right, #fff, var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-subtitle {
  color: var(--text-muted);
  font-size: 16px;
  margin-top: 4px;
}

.filters-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}
.chips-container {
  display: flex;
  gap: 10px;
}
.chip {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 20px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
}
.chip:hover {
  background: rgba(255,255,255,0.1);
}
.chip.active {
  background: var(--text-main);
  color: var(--bg-color);
  border-color: var(--text-main);
}
.chip.js.active { background: var(--js-brand); border-color: var(--js-brand); color: #fff;}
.chip.lt.active { background: var(--lt-brand); border-color: var(--lt-brand); color: #fff;}

.period-selector {
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 12px;
}
.period-selector span {
  font-weight: 700;
  color: var(--neon-blue);
}
.period-selector select {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
}
.period-selector select option {
  background: var(--bg-color);
  color: var(--text-main);
}

/* KPIs Grid */
.kpis-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.kpi-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.kpi-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 20px rgba(255,255,255,0.02) inset;
}
.kpi-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}
.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}
.kpi-icon {
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  border: 1px solid rgba(255,255,255,0.05);
}
.kpi-trend {
  font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 20px;
}
.kpi-trend.positive { background: rgba(57,255,20,0.15); color: var(--neon-green); }
.kpi-trend.negative { background: rgba(255,42,133,0.15); color: var(--neon-pink); }
.kpi-trend.neutral { background: rgba(255,255,255,0.1); color: var(--text-muted); }

.kpi-value {
  font-size: 32px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-main);
}
.kpi-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
  font-weight: 500;
}

/* Charts Section */
.charts-section {
  display: flex;
  gap: 24px;
}
.chart-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.w-60 { flex: 3; }
.w-40 { flex: 2; }

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.chart-header h3 {
  font-size: 18px;
  font-weight: 500;
}
.icon-btn {
  background: transparent; border: none; color: var(--text-muted); cursor: pointer;
  transition: color 0.2s; font-size: 16px;
}
.icon-btn:hover { color: var(--text-main); }
.chart-container {
  flex: 1;
  position: relative;
  width: 100%;
}

/* Detailed Table Section */
.table-section {
  padding: 24px;
}
.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.table-header h3 {
  font-size: 20px;
  font-weight: 500;
}
.search-box {
  position: relative;
}
.search-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  font-size: 14px; color: var(--text-muted);
}
.search-box input {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 10px 16px 10px 40px;
  color: var(--text-main);
  outline: none;
  font-family: inherit;
  width: 250px;
  transition: border-color 0.3s;
}
.search-box input:focus {
  border-color: var(--neon-blue);
}

.table-responsive {
  overflow-x: auto;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th {
  text-align: left;
  padding: 14px 16px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--panel-border);
  white-space: nowrap;
}
.text-right { text-align: right !important; }
.data-table td {
  padding: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  vertical-align: middle;
}
.data-table tbody tr {
  transition: background 0.2s, transform 0.2s;
}
.data-table tbody tr:hover {
  background: rgba(255,255,255,0.03);
  transform: scale(1.002);
}

.emp-name { font-weight: 600; color: #fff; }
.emp-id { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.emp-role { color: #ccc; }
.emp-dept { font-size: 12px; color: var(--neon-purple); margin-top: 2px; }

.badge-js { background: rgba(79,142,247,0.15); color: var(--js-brand); padding: 4px 10px; border-radius: 12px; font-size: 11px; font-weight: 600;}
.badge-lt { background: rgba(52,201,142,0.15); color: var(--lt-brand); padding: 4px 10px; border-radius: 12px; font-size: 11px; font-weight: 600;}

.val-num { font-family: 'Outfit', monospace; font-variant-numeric: tabular-nums; font-weight: 500;}
.val-sub { font-size: 11px; color: var(--text-muted); display: block; margin-top: 2px; }
.cost-total { font-weight: 700; color: var(--neon-green); font-size: 15px;}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  font-size: 15px;
}

.app-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  padding: 0 0 20px 0;
}

@media (max-width: 1200px) {
  .charts-section { flex-direction: column; }
  .kpis-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 800px) {
  .app-container { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; justify-content: space-between;}
  .nav-menu { flex-direction: row; overflow-x: auto; padding-bottom: 10px; margin: 0 20px;}
  .brand { margin-bottom: 0; }
  .sidebar-footer { border-top: none; padding-top: 0; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 16px; }
}