/* === shadcn Design Tokens === */
:root {
  --background: 220 13% 95%;
  --foreground: 240 10% 3.9%;
  --card: 0 0% 100%;
  --card-foreground: 240 10% 3.9%;
  --popover: 0 0% 100%;
  --popover-foreground: 240 10% 3.9%;
  --primary: 240 5.9% 10%;
  --primary-foreground: 0 0% 98%;
  --secondary: 240 4.8% 95.9%;
  --secondary-foreground: 240 5.9% 10%;
  --muted: 240 4.8% 95.9%;
  --muted-foreground: 240 3.8% 46.1%;
  --accent: 240 4.8% 95.9%;
  --accent-foreground: 240 5.9% 10%;
  --destructive: 0 84.2% 60.2%;
  --destructive-foreground: 0 0% 98%;
  --border: 240 5.9% 90%;
  --input: 240 5.9% 90%;
  --ring: 240 5.9% 10%;
  --radius: 0.875rem;
  --success: 142 76% 36%;
  --success-foreground: 0 0% 98%;
  --warning: 38 92% 50%;
  --warning-foreground: 0 0% 98%;
  --chart-1: 240 5.9% 10%;
  --chart-2: 0 84.2% 60.2%;
  --chart-3: 142 76% 36%;
  --chart-4: 217 91% 60%;
  --chart-5: 38 92% 50%;
}

/* === Base Reset === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
}

/* === Card surface (shadow replaces hard border) === */
.card-surface {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* === Gradient accent KPI cards === */
.kpi-gradient-blue {
  background: linear-gradient(135deg, hsl(234, 89%, 60%) 0%, hsl(258, 85%, 65%) 100%);
}

.kpi-gradient-teal {
  background: linear-gradient(135deg, hsl(160, 84%, 39%) 0%, hsl(186, 76%, 43%) 100%);
}

/* Force all text inside gradient cards to white */
.kpi-gradient-blue *,
.kpi-gradient-teal * {
  color: rgba(255, 255, 255, 0.95) !important;
}

.kpi-gradient-blue .inline-flex,
.kpi-gradient-teal .inline-flex {
  background-color: rgba(255, 255, 255, 0.22) !important;
  color: rgba(255, 255, 255, 0.9) !important;
}

/* === Chart.js canvas sizing === */
.chart-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* === Custom scrollbar === */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: hsl(var(--border));
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: hsl(var(--muted-foreground));
}

/* === Sidebar === */
.sidebar-desktop {
  background-color: hsl(var(--card));
  border-right: 1px solid hsl(var(--border));
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

/* === Sidebar nav active state === */
.nav-link.active {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.nav-link:not(.active):hover {
  background-color: hsl(var(--accent));
}

/* === Sidebar toggle button === */
.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--card));
  color: hsl(var(--muted-foreground));
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.sidebar-toggle:hover {
  background: hsl(var(--accent));
  color: hsl(var(--foreground));
}

/* === Collapsible sidebar text labels === */
.sidebar-desktop .nav-text,
.sidebar-desktop .sidebar-logo-text,
.sidebar-desktop .sidebar-user-text {
  transition: opacity 0.2s ease;
  overflow: hidden;
  white-space: nowrap;
}

/* === Collapsed state === */
.sidebar-desktop.collapsed {
  width: 64px !important;
  padding-left: 12px;
  padding-right: 12px;
}

.sidebar-desktop.collapsed .nav-text,
.sidebar-desktop.collapsed .sidebar-logo-text,
.sidebar-desktop.collapsed .sidebar-user-text {
  opacity: 0;
  width: 0;
  display: none;
}

.sidebar-desktop.collapsed .nav-link {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
  gap: 0;
}

.sidebar-desktop.collapsed .sidebar-logo-row {
  justify-content: center;
}

.sidebar-desktop.collapsed .sidebar-user-row {
  justify-content: center;
}

.sidebar-desktop.collapsed .sidebar-toggle-row {
  justify-content: center;
}

.sidebar-desktop.collapsed .sidebar-toggle svg {
  transform: rotate(180deg);
}

/* === KPI card hover === */
.kpi-card-hover {
  transition: all 0.18s ease;
}

.kpi-card-hover:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.10), 0 12px 32px rgba(0, 0, 0, 0.07);
  transform: translateY(-2px);
}

/* === Monospace values === */
.font-mono-value {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

/* === Progress bar animation === */
.progress-bar-animated {
  transition: width 0.6s ease;
}

/* === Login form inputs === */
.form-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid hsl(var(--border));
  background: hsl(var(--background));
  font-size: 0.875rem;
  font-family: 'Inter', sans-serif;
  color: hsl(var(--foreground));
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus {
  border-color: hsl(234, 89%, 60%);
  box-shadow: 0 0 0 3px hsla(234, 89%, 60%, 0.12);
}

.btn-primary {
  width: 100%;
  padding: 0.65rem 1rem;
  border-radius: calc(var(--radius) - 2px);
  background: linear-gradient(135deg, hsl(234, 89%, 60%) 0%, hsl(258, 85%, 65%) 100%);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.btn-primary:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* === Responsive: sidebar collapse on mobile === */
@media (max-width: 1024px) {
  .sidebar-desktop {
    display: none !important;
  }
}

.sort-indicator {
  font-style: normal;
  font-size: 10px;
  opacity: 0.35;
  transition: opacity 0.15s;
}

/* === Sticky table headers — opaque background to prevent bleed-through on scroll === */
.custom-table thead {
  background-color: hsl(var(--card));
}