/* CSS Custom Properties for Theme & Color Palette */
:root {
  --bg-color: #080c14;
  --sidebar-bg: rgba(13, 20, 35, 0.7);
  --glass-bg: rgba(22, 33, 56, 0.4);
  --glass-border: rgba(255, 255, 255, 0.07);
  --glass-border-focus: rgba(59, 130, 246, 0.5);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --color-blue: #3b82f6;
  --color-blue-glow: rgba(59, 130, 246, 0.35);
  --color-green: #10b981;
  --color-green-glow: rgba(16, 185, 129, 0.35);
  --color-red: #ef4444;
  --color-red-glow: rgba(239, 68, 68, 0.35);
  --color-purple: #8b5cf6;
  --color-purple-glow: rgba(139, 92, 246, 0.35);
  --color-yellow: #f59e0b;
  --color-yellow-glow: rgba(245, 158, 11, 0.35);

  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
}

/* Base resets & layout */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Glowing background ambient lights */
body::before, body::after {
  content: '';
  position: absolute;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  z-index: -1;
  filter: blur(150px);
  pointer-events: none;
  opacity: 0.12;
}

body::before {
  background: radial-gradient(circle, var(--color-blue) 0%, transparent 70%);
  top: -10%;
  right: -10%;
}

body::after {
  background: radial-gradient(circle, var(--color-purple) 0%, transparent 70%);
  bottom: -10%;
  left: -10%;
}

/* Layout container */
.app-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
  background-color: var(--sidebar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  overflow-y: auto;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 35px;
}

.logo-icon {
  font-size: 28px;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 8px rgba(59, 130, 246, 0.3));
}

.brand-text h1 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #ffffff, #9ca3af);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text span {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Demo mode status banner */
.demo-banner {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--border-radius-md);
  padding: 16px;
  margin-bottom: 24px;
  font-size: 13px;
  line-height: 1.5;
  transition: var(--transition-smooth);
  display: none; /* Only visible when active */
}

.demo-banner.active {
  display: block;
  animation: pulse-glow 2s infinite alternate;
}

.demo-badge {
  color: var(--color-blue);
  font-weight: 700;
  font-family: var(--font-display);
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.demo-banner p {
  color: var(--text-secondary);
}

/* Config form controls */
#configForm {
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

.form-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--glass-border);
}

.form-header h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition-smooth);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: auto;
  margin-left: 8px;
}

.icon-btn:hover {
  color: var(--color-blue);
  transform: scale(1.1);
}

.icon-btn.spinning {
  animation: spin 0.6s ease-in-out;
}

/* Toggle Slider */
.switch-container {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
}

.switch-container input {
  display: none;
}

/* Platform Selector */
.platform-selector-group {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  padding: 10px 0;
}

.toggle-platform {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.toggle-platform:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* Using :has or checked state via JS if needed, but CSS approach: */
.toggle-platform:has(input:checked) {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--color-blue);
  color: var(--color-blue);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.15);
}

.toggle-platform input {
  display: none;
}

.slider {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  background-color: #2a354d;
  border-radius: 20px;
  transition: var(--transition-smooth);
}

.slider::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  bottom: 3px;
  background-color: #ffffff;
  border-radius: 50%;
  transition: var(--transition-smooth);
}

input:checked + .slider {
  background-color: var(--color-blue);
}

input:checked + .slider::before {
  transform: translateX(16px);
}

/* Form fields */
.form-fields {
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: slideDown 0.3s ease-out;
}

.sidebar-section {
  padding: 15px 0;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0;
}

.sidebar-divider span {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
}

.sidebar-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--glass-border);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.date-range-group {
  display: flex;
  gap: 12px;
}

.date-range-group .input-group {
  flex: 1;
}

/* Quick Date Presets */
.quick-date-presets {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 6px 4px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
  flex: 1;
  text-align: center;
}

.preset-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--glass-border-focus);
}

.preset-btn.active {
  background: var(--color-blue);
  color: #ffffff;
  border-color: var(--color-blue);
}

.input-group input, .input-group textarea, .input-group select {
  background-color: rgba(10, 15, 28, 0.6);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 10px 14px;
  font-size: 13px;
  font-family: var(--font-body);
  border-radius: var(--border-radius-md);
  outline: none;
  transition: var(--transition-smooth);
  width: 100%;
}

.input-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239ca3af'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
  cursor: pointer;
}

.input-group select option {
  background-color: #0d1527;
  color: var(--text-primary);
}

.input-group textarea {
  resize: vertical;
}

.input-group input:focus, .input-group textarea:focus, .input-group select:focus {
  border-color: var(--glass-border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.input-hint {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Submit button */
.btn-submit {
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
  color: #ffffff;
  border: none;
  border-radius: var(--border-radius-md);
  padding: 14px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
  margin-top: 10px;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-submit:active {
  transform: translateY(0);
}

/* Spinner Loader */
.loader {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--glass-border);
}

.sidebar-footer p {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

/* Main Content Workspace */
.main-content {
  padding: 40px;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

/* Top bar navigation */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--glass-border);
}

.header-title h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(to right, #ffffff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-title p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.header-metadata {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.apple-metadata {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.meta-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.meta-badge span {
  color: var(--text-secondary);
  font-family: monospace;
}

.header-title strong {
  color: var(--color-blue);
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-demo {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--color-blue);
}

.status-demo .status-indicator {
  background-color: var(--color-blue);
  box-shadow: 0 0 8px var(--color-blue);
}

.status-live {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--color-green);
}

.status-live .status-indicator {
  background-color: var(--color-green);
  box-shadow: 0 0 8px var(--color-green);
}

/* Glassmorphism styling */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-smooth);
}

/* Alerts */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--border-radius-lg);
  position: relative;
  animation: slideDown 0.3s ease-out;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-icon {
  font-size: 20px;
}

.alert-content h4 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: #fca5a5;
  margin-bottom: 4px;
}

.alert-content p {
  font-size: 13px;
  color: #fecaca;
  line-height: 1.4;
}

.alert-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: #fecaca;
  font-size: 20px;
  cursor: pointer;
}

/* KPI cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.kpi-card {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.kpi-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.kpi-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.color-blue {
  background: rgba(59, 130, 246, 0.1);
  box-shadow: inset 0 0 12px rgba(59, 130, 246, 0.2);
}

.color-green {
  background: rgba(16, 185, 129, 0.1);
  box-shadow: inset 0 0 12px rgba(16, 185, 129, 0.2);
}

.color-red {
  background: rgba(239, 68, 68, 0.1);
  box-shadow: inset 0 0 12px rgba(239, 68, 68, 0.2);
}

.color-purple {
  background: rgba(139, 92, 246, 0.1);
  box-shadow: inset 0 0 12px rgba(139, 92, 246, 0.2);
}

.color-yellow {
  background: rgba(245, 158, 11, 0.1);
  box-shadow: inset 0 0 12px rgba(245, 158, 11, 0.2);
}

.kpi-info h3 {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  margin: 4px 0;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.kpi-desc {
  font-size: 11px;
  color: var(--text-muted);
}

.kpi-sub-metric {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sub-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.sub-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-blue);
}

.friction-index-container {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.friction-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.friction-label span {
  color: var(--color-red);
  font-weight: 700;
  margin-left: 4px;
}

.friction-bar-bg {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  overflow: hidden;
}

.friction-bar-fill {
  height: 100%;
  background: linear-gradient(to right, var(--color-yellow), var(--color-red));
  border-radius: 2px;
  transition: width 1s ease-out;
}

/* Charts styling */
.chart-section {
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
}

.chart-title h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
}

.chart-title p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.chart-controls {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}

.dot-installs { background-color: var(--color-blue); }
.dot-uninstalls { background-color: var(--color-red); }

.chart-container {
  position: relative;
  width: 100%;
}

.main-chart-wrapper {
  height: 320px;
}

/* Row containing two column charts */
.chart-row-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 30px;
}

.col-chart {
  min-height: 380px;
}

.col-chart .chart-container {
  height: 260px;
}

/* Tab Controls for dimensions */
.tab-controls {
  display: flex;
  background-color: rgba(10, 15, 28, 0.5);
  border: 1px solid var(--glass-border);
  padding: 4px;
  border-radius: 30px;
}

.tab-btn {
  background: none;
  border: none;
  padding: 6px 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  background-color: var(--color-blue);
  color: #ffffff;
}

/* Dimension loader spinner */
.chart-loader {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(8, 12, 20, 0.8);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 16px;
  z-index: 5;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(59, 130, 246, 0.2);
  border-top-color: var(--color-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.chart-loader p {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
}

/* Custom scrollbars */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Chart Placeholder State */
.chart-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(8, 12, 20, 0.4);
  border-radius: var(--border-radius-lg);
  color: var(--text-muted);
  font-size: 14px;
  font-family: var(--font-display);
  pointer-events: none;
  z-index: 2;
}
  to { transform: rotate(360deg); }
}

@keyframes pulse-glow {
  from {
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.15);
  }
  to {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive queries */
@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
  }
  
  .main-content {
    height: auto;
  }
}

@media (max-width: 600px) {
  .main-content {
    padding: 20px;
  }
  
  .chart-row-columns {
    grid-template-columns: 1fr;
  }
  
  .tab-controls {
    width: 100%;
    overflow-x: auto;
  }
}

/* Auth Overlay */
.auth-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 7, 13, 0.95);
  backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.auth-header {
  text-align: center;
}

.auth-header h2 {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 15px 0 8px;
}

.auth-header p {
  font-size: 14px;
  color: var(--text-secondary);
}

.auth-error-text {
  color: var(--color-red);
  font-size: 12px;
  background: rgba(239, 68, 68, 0.1);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}