/* Font imports MUST come before any other rules (Tailwind v4 / Lightning CSS). */
@import "@fontsource/space-grotesk/400.css";
@import "@fontsource/space-grotesk/500.css";
@import "@fontsource/space-grotesk/600.css";
@import "@fontsource/space-grotesk/700.css";
@import "@fontsource/inter/400.css";
@import "@fontsource/inter/500.css";
@import "@fontsource/inter/600.css";
@import "@fontsource/inter/700.css";

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

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

/* =========================================================================
 * BVANNY CONNECT — Design System
 * -------------------------------------------------------------------------
 * Premium ISP management platform. Dark-first, gold + green accented.
 * All colors expressed in OKLCH for perceptual uniformity.
 * Semantic tokens only — components MUST NOT hard-code colors.
 * =========================================================================
 */

@theme inline {
  /* Typography */
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-display: "Space Grotesk", "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Radius scale */
  --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);
  --radius-3xl: calc(var(--radius) + 12px);
  --radius-4xl: calc(var(--radius) + 16px);

  /* Semantic color tokens (map to CSS custom properties below) */
  --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-primary-glow: var(--primary-glow);
  --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-accent-glow: var(--accent-glow);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-success: var(--success);
  --color-success-foreground: var(--success-foreground);
  --color-warning: var(--warning);
  --color-warning-foreground: var(--warning-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-ring-offset-background: var(--background);

  /* Surface layers (glass / elevated) */
  --color-surface-1: var(--surface-1);
  --color-surface-2: var(--surface-2);
  --color-surface-3: var(--surface-3);

  /* Chart palette */
  --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);

  /* Sidebar (admin shell) */
  --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);
}

/* =========================================================================
 * Palette (BVANNY CONNECT is dark-first — :root IS the dark theme)
 * Brand:
 *   Gold      #F5C242   → primary
 *   Green     #57D087   → accent / success
 *   Dark bg   #0D0D0D
 *   Surface   #111111 → #2A2A2A
 * =========================================================================
 */

:root {
  --radius: 0.875rem;

  /* Base surfaces */
  --background: oklch(0.14 0.005 90);        /* #0D0D0D-ish */
  --foreground: oklch(0.97 0.005 90);        /* near-white */

  --surface-1: oklch(0.18 0.006 90);         /* elevated card base */
  --surface-2: oklch(0.22 0.007 90);         /* higher elevation */
  --surface-3: oklch(0.28 0.008 90);         /* highest / hover */

  --card: oklch(0.18 0.006 90);
  --card-foreground: oklch(0.97 0.005 90);
  --popover: oklch(0.18 0.006 90);
  --popover-foreground: oklch(0.97 0.005 90);

  /* Primary — Brand Gold #F5C242 */
  --primary: oklch(0.83 0.145 85);
  --primary-foreground: oklch(0.16 0.005 90);
  --primary-glow: oklch(0.90 0.14 90);

  /* Accent — Brand Green #57D087 / #76E29D */
  --accent: oklch(0.80 0.17 155);
  --accent-foreground: oklch(0.16 0.005 90);
  --accent-glow: oklch(0.86 0.18 155);

  /* Success mirrors accent-green for network "connected" states */
  --success: oklch(0.78 0.17 155);
  --success-foreground: oklch(0.16 0.005 90);

  --warning: oklch(0.83 0.145 85);
  --warning-foreground: oklch(0.16 0.005 90);

  /* Secondary — muted charcoal chip */
  --secondary: oklch(0.24 0.006 90);
  --secondary-foreground: oklch(0.92 0.005 90);

  --muted: oklch(0.22 0.006 90);
  --muted-foreground: oklch(0.66 0.008 90);

  --destructive: oklch(0.63 0.22 27);
  --destructive-foreground: oklch(0.98 0.003 90);

  --border: oklch(0.28 0.006 90 / 60%);
  --input: oklch(0.24 0.006 90);
  --ring: oklch(0.83 0.145 85 / 60%);

  --chart-1: oklch(0.83 0.145 85);
  --chart-2: oklch(0.80 0.17 155);
  --chart-3: oklch(0.68 0.16 250);
  --chart-4: oklch(0.72 0.19 20);
  --chart-5: oklch(0.75 0.13 320);

  --sidebar: oklch(0.16 0.006 90);
  --sidebar-foreground: oklch(0.92 0.005 90);
  --sidebar-primary: oklch(0.83 0.145 85);
  --sidebar-primary-foreground: oklch(0.16 0.005 90);
  --sidebar-accent: oklch(0.22 0.007 90);
  --sidebar-accent-foreground: oklch(0.97 0.005 90);
  --sidebar-border: oklch(0.28 0.006 90 / 60%);
  --sidebar-ring: oklch(0.83 0.145 85 / 50%);

  /* Signature gradients */
  --gradient-gold: linear-gradient(135deg, oklch(0.83 0.145 85) 0%, oklch(0.90 0.14 90) 100%);
  --gradient-green: linear-gradient(135deg, oklch(0.72 0.17 155) 0%, oklch(0.86 0.18 155) 100%);
  --gradient-brand: linear-gradient(135deg, oklch(0.83 0.145 85) 0%, oklch(0.80 0.17 155) 100%);
  --gradient-hero: radial-gradient(
      ellipse at top left,
      oklch(0.83 0.145 85 / 0.18) 0%,
      transparent 55%
    ),
    radial-gradient(
      ellipse at bottom right,
      oklch(0.80 0.17 155 / 0.15) 0%,
      transparent 55%
    ),
    linear-gradient(180deg, oklch(0.14 0.005 90) 0%, oklch(0.11 0.005 90) 100%);
  --gradient-surface: linear-gradient(
    180deg,
    oklch(0.20 0.006 90) 0%,
    oklch(0.16 0.006 90) 100%
  );

  /* Elevation / glow shadows */
  --shadow-sm: 0 1px 2px 0 oklch(0 0 0 / 0.4);
  --shadow-md: 0 4px 12px -2px oklch(0 0 0 / 0.5);
  --shadow-lg: 0 20px 40px -12px oklch(0 0 0 / 0.6);
  --shadow-glow-gold: 0 0 40px oklch(0.83 0.145 85 / 0.35),
                       0 8px 24px -8px oklch(0.83 0.145 85 / 0.4);
  --shadow-glow-green: 0 0 40px oklch(0.80 0.17 155 / 0.35),
                       0 8px 24px -8px oklch(0.80 0.17 155 / 0.4);
  --shadow-card: 0 1px 0 0 oklch(1 0 0 / 0.04) inset,
                 0 8px 24px -8px oklch(0 0 0 / 0.5);

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;
}

/* Explicit .light class opt-in for admin surfaces that may need it later.
 * Portal & marketing remain dark-first. */
.light {
  --background: oklch(0.99 0.002 90);
  --foreground: oklch(0.16 0.005 90);
  --surface-1: oklch(0.97 0.003 90);
  --surface-2: oklch(0.94 0.004 90);
  --surface-3: oklch(0.90 0.005 90);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.16 0.005 90);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.16 0.005 90);
  --primary: oklch(0.78 0.145 85);
  --primary-foreground: oklch(0.16 0.005 90);
  --accent: oklch(0.72 0.17 155);
  --accent-foreground: oklch(0.16 0.005 90);
  --success: oklch(0.72 0.17 155);
  --success-foreground: oklch(0.16 0.005 90);
  --secondary: oklch(0.94 0.003 90);
  --secondary-foreground: oklch(0.20 0.005 90);
  --muted: oklch(0.94 0.003 90);
  --muted-foreground: oklch(0.45 0.006 90);
  --border: oklch(0.87 0.005 90);
  --input: oklch(0.90 0.005 90);
  --ring: oklch(0.78 0.145 85 / 60%);
}

@layer base {
  * {
    border-color: var(--color-border);
  }

  html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-family: var(--font-sans);
  }

  body {
    background: var(--gradient-hero);
    background-attachment: fixed;
    color: var(--color-foreground);
    font-family: var(--font-sans);
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  }

  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.02em;
  }

  ::selection {
    background: oklch(0.83 0.145 85 / 0.35);
    color: var(--color-foreground);
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  ::-webkit-scrollbar-track {
    background: transparent;
  }
  ::-webkit-scrollbar-thumb {
    background: oklch(0.28 0.006 90);
    border-radius: 999px;
    border: 2px solid var(--color-background);
  }
  ::-webkit-scrollbar-thumb:hover {
    background: oklch(0.36 0.008 90);
  }
}

/* =========================================================================
 * Utility classes — brand surfaces & effects
 * ========================================================================= */

@utility gradient-brand {
  background-image: var(--gradient-brand);
}

@utility gradient-gold {
  background-image: var(--gradient-gold);
}

@utility gradient-green {
  background-image: var(--gradient-green);
}

@utility gradient-hero {
  background-image: var(--gradient-hero);
}

@utility gradient-surface {
  background-image: var(--gradient-surface);
}

@utility text-gradient-brand {
  background-image: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@utility text-gradient-gold {
  background-image: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

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

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

/* Glassmorphism surface — dark, subtle, premium */
@utility glass {
  background-color: oklch(1 0 0 / 0.03);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid oklch(1 0 0 / 0.06);
}

@utility glass-strong {
  background-color: oklch(1 0 0 / 0.05);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid oklch(1 0 0 / 0.08);
}

/* Font family utilities */
@utility font-display {
  font-family: var(--font-display);
}

/* Subtle animated grid backdrop used behind hero surfaces */
@utility bg-grid {
  background-image:
    linear-gradient(oklch(1 0 0 / 0.035) 1px, transparent 1px),
    linear-gradient(90deg, oklch(1 0 0 / 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
}