@import "tailwindcss" source(none);
@source "../src";
@import "tw-animate-css";

@custom-variant dark (&:is(.dark *));

@theme inline {
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --radius-2xl: calc(var(--radius) + 8px);

  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-success: var(--success);
  --color-success-foreground: var(--success-foreground);
  --color-warning: var(--warning);
  --color-warning-foreground: var(--warning-foreground);
  --color-info: var(--info);
  --color-info-foreground: var(--info-foreground);
  --color-chart-1: var(--chart-1);
  --color-chart-2: var(--chart-2);
  --color-chart-3: var(--chart-3);
  --color-chart-4: var(--chart-4);
  --color-chart-5: var(--chart-5);
  --color-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-ring: var(--sidebar-ring);

  --font-display: "Hind Siliguri", "Noto Sans Bengali", system-ui, sans-serif;
  --font-sans: "Hind Siliguri", "Noto Sans Bengali", "Inter", system-ui, sans-serif;
}

:root {
  --radius: 0.75rem;

  --background: oklch(0.985 0.005 250);
  --foreground: oklch(0.18 0.03 260);

  --card: oklch(1 0 0);
  --card-foreground: oklch(0.18 0.03 260);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.18 0.03 260);

  /* Premium emerald-teal primary */
  --primary: oklch(0.55 0.16 165);
  --primary-foreground: oklch(0.99 0 0);

  --secondary: oklch(0.96 0.01 250);
  --secondary-foreground: oklch(0.22 0.04 260);

  --muted: oklch(0.965 0.008 250);
  --muted-foreground: oklch(0.5 0.02 260);

  --accent: oklch(0.94 0.04 165);
  --accent-foreground: oklch(0.25 0.08 165);

  --destructive: oklch(0.6 0.22 25);
  --destructive-foreground: oklch(0.99 0 0);

  --success: oklch(0.65 0.17 150);
  --success-foreground: oklch(0.99 0 0);
  --warning: oklch(0.78 0.16 75);
  --warning-foreground: oklch(0.2 0.04 75);
  --info: oklch(0.62 0.18 250);
  --info-foreground: oklch(0.99 0 0);

  --border: oklch(0.92 0.01 250);
  --input: oklch(0.93 0.01 250);
  --ring: oklch(0.55 0.16 165);

  --chart-1: oklch(0.6 0.18 165);
  --chart-2: oklch(0.65 0.2 250);
  --chart-3: oklch(0.7 0.2 50);
  --chart-4: oklch(0.65 0.22 320);
  --chart-5: oklch(0.7 0.18 130);

  --sidebar: oklch(0.22 0.05 260);
  --sidebar-foreground: oklch(0.92 0.01 250);
  --sidebar-primary: oklch(0.6 0.18 165);
  --sidebar-primary-foreground: oklch(0.99 0 0);
  --sidebar-accent: oklch(0.28 0.05 260);
  --sidebar-accent-foreground: oklch(0.99 0 0);
  --sidebar-border: oklch(0.3 0.04 260);
  --sidebar-ring: oklch(0.55 0.16 165);

  /* Premium gradients */
  --gradient-primary: linear-gradient(135deg, oklch(0.6 0.18 165), oklch(0.55 0.2 195));
  --gradient-sunset: linear-gradient(135deg, oklch(0.7 0.2 25), oklch(0.65 0.22 350));
  --gradient-ocean: linear-gradient(135deg, oklch(0.6 0.2 240), oklch(0.55 0.22 280));
  --gradient-forest: linear-gradient(135deg, oklch(0.6 0.18 150), oklch(0.55 0.18 180));
  --gradient-gold: linear-gradient(135deg, oklch(0.78 0.16 75), oklch(0.72 0.2 45));
  --gradient-violet: linear-gradient(135deg, oklch(0.6 0.22 290), oklch(0.55 0.2 320));
  --gradient-sidebar: linear-gradient(180deg, oklch(0.2 0.05 260), oklch(0.18 0.06 280));

  --shadow-card: 0 1px 3px 0 oklch(0.2 0.05 260 / 0.06), 0 1px 2px -1px oklch(0.2 0.05 260 / 0.06);
  --shadow-elegant: 0 10px 30px -10px oklch(0.55 0.16 165 / 0.25);
  --shadow-glow: 0 0 40px oklch(0.6 0.18 165 / 0.35);
}

.dark {
  --background: oklch(0.16 0.03 260);
  --foreground: oklch(0.97 0.01 250);
  --card: oklch(0.21 0.04 260);
  --card-foreground: oklch(0.97 0.01 250);
  --popover: oklch(0.21 0.04 260);
  --popover-foreground: oklch(0.97 0.01 250);

  --primary: oklch(0.7 0.16 165);
  --primary-foreground: oklch(0.15 0.03 260);

  --secondary: oklch(0.26 0.04 260);
  --secondary-foreground: oklch(0.97 0.01 250);
  --muted: oklch(0.24 0.04 260);
  --muted-foreground: oklch(0.7 0.02 250);
  --accent: oklch(0.3 0.08 165);
  --accent-foreground: oklch(0.97 0.01 250);

  --destructive: oklch(0.68 0.22 25);
  --destructive-foreground: oklch(0.99 0 0);
  --success: oklch(0.7 0.17 150);
  --warning: oklch(0.82 0.16 75);
  --info: oklch(0.68 0.18 250);

  --border: oklch(0.3 0.04 260);
  --input: oklch(0.3 0.04 260);
  --ring: oklch(0.7 0.16 165);

  --sidebar: oklch(0.14 0.03 260);
  --sidebar-foreground: oklch(0.92 0.01 250);
  --sidebar-primary: oklch(0.7 0.16 165);
  --sidebar-primary-foreground: oklch(0.15 0.03 260);
  --sidebar-accent: oklch(0.22 0.04 260);
  --sidebar-accent-foreground: oklch(0.97 0.01 250);
  --sidebar-border: oklch(0.26 0.04 260);

  --gradient-sidebar: linear-gradient(180deg, oklch(0.14 0.03 260), oklch(0.12 0.04 280));
}

@layer base {
  * { border-color: var(--color-border); }
  body {
    background-color: var(--color-background);
    color: var(--color-foreground);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
  }
  h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.02em; }
}

@utility gradient-primary { background-image: var(--gradient-primary); }
@utility gradient-sunset { background-image: var(--gradient-sunset); }
@utility gradient-ocean { background-image: var(--gradient-ocean); }
@utility gradient-forest { background-image: var(--gradient-forest); }
@utility gradient-gold { background-image: var(--gradient-gold); }
@utility gradient-violet { background-image: var(--gradient-violet); }
@utility gradient-sidebar { background-image: var(--gradient-sidebar); }

@utility glass {
  background: color-mix(in oklab, var(--color-card) 70%, transparent);
  backdrop-filter: blur(12px) saturate(140%);
  border: 1px solid color-mix(in oklab, var(--color-border) 80%, transparent);
}

@utility shadow-elegant { box-shadow: var(--shadow-elegant); }
@utility shadow-glow { box-shadow: var(--shadow-glow); }
@utility shadow-card { box-shadow: var(--shadow-card); }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@utility animate-fade-in { animation: fade-in 0.4s ease-out; }
@utility animate-shimmer {
  background: linear-gradient(90deg, transparent, color-mix(in oklab, var(--color-foreground) 8%, transparent), transparent);
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

/* Print: thermal & A4 invoice */
@media print {
  body * { visibility: hidden; }
  .print-area, .print-area * { visibility: visible; }
  .print-area { position: absolute; left: 0; top: 0; width: 100%; }
  .no-print { display: none !important; }
}