@import "tailwindcss";
@import "tw-animate-css";
@import "shadcn/tailwind.css";

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

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --font-sans: var(--font-sans);
  --font-mono: var(--font-geist-mono);
  --font-heading: var(--font-sans);
  --color-sidebar-ring: var(--sidebar-ring);
  --color-sidebar-border: var(--sidebar-border);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar: var(--sidebar);
  --color-chart-5: var(--chart-5);
  --color-chart-4: var(--chart-4);
  --color-chart-3: var(--chart-3);
  --color-chart-2: var(--chart-2);
  --color-chart-1: var(--chart-1);
  --color-ring: var(--ring);
  --color-input: var(--input);
  --color-border: var(--border);
  --color-destructive: var(--destructive);
  --color-accent-foreground: var(--accent-foreground);
  --color-accent: var(--accent);
  --color-muted-foreground: var(--muted-foreground);
  --color-muted: var(--muted);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-secondary: var(--secondary);
  --color-primary-foreground: var(--primary-foreground);
  --color-primary: var(--primary);
  --color-popover-foreground: var(--popover-foreground);
  --color-popover: var(--popover);
  --color-card-foreground: var(--card-foreground);
  --color-card: var(--card);
  --radius-sm: calc(var(--radius) * 0.6);
  --radius-md: calc(var(--radius) * 0.8);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) * 1.4);
  --radius-2xl: calc(var(--radius) * 1.8);
  --radius-3xl: calc(var(--radius) * 2.2);
  --radius-4xl: calc(var(--radius) * 2.6);

  /* Sky blue accent gradient */
  --accent-gradient: linear-gradient(135deg, oklch(0.65 0.18 240), oklch(0.65 0.15 200), oklch(0.65 0.12 180));
  --accent-gradient-subtle: linear-gradient(135deg, oklch(0.65 0.18 240 / 0.15), oklch(0.65 0.12 180 / 0.05));

  /* Glass morphism */
  --glass-bg: oklch(1 0 0 / 0.05);
  --glass-border: oklch(1 0 0 / 0.1);
  --glass-shadow: 0 8px 32px oklch(0 0 0 / 0.3);
}

:root {
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.145 0 0);
  --primary: oklch(0.55 0.18 240);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.97 0 0);
  --secondary-foreground: oklch(0.205 0 0);
  --muted: oklch(0.95 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --accent: oklch(0.65 0.15 220);
  --accent-foreground: oklch(0.205 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.922 0 0);
  --input: oklch(0.922 0 0);
  --ring: oklch(0.65 0.18 240);
  --chart-1: oklch(0.55 0.18 240);
  --chart-2: oklch(0.55 0.15 200);
  --chart-3: oklch(0.55 0.12 180);
  --chart-4: oklch(0.55 0.2 260);
  --chart-5: oklch(0.55 0.15 280);
  --radius: 0.625rem;
  --sidebar: oklch(0.985 0 0);
  --sidebar-foreground: oklch(0.145 0 0);
  --sidebar-primary: oklch(0.55 0.18 240);
  --sidebar-primary-foreground: oklch(0.985 0 0);
  --sidebar-accent: oklch(0.95 0 0);
  --sidebar-accent-foreground: oklch(0.145 0 0);
  --sidebar-border: oklch(0.922 0 0);
  --sidebar-ring: oklch(0.65 0.18 240);
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
}

.dark {
  /* Deep navy-slate base */
  --background: oklch(0.12 0.02 240);
  --foreground: oklch(0.92 0.01 240);

  /* Slightly lighter card */
  --card: oklch(0.16 0.025 240);
  --card-foreground: oklch(0.92 0.01 240);

  --popover: oklch(0.16 0.025 240);
  --popover-foreground: oklch(0.92 0.01 240);

  /* Sky blue primary */
  --primary: oklch(0.65 0.18 240);
  --primary-foreground: oklch(0.98 0 0);

  --secondary: oklch(0.22 0.02 240);
  --secondary-foreground: oklch(0.92 0.01 240);

  --muted: oklch(0.2 0.015 240);
  --muted-foreground: oklch(0.6 0.02 240);

  --accent: oklch(0.7 0.15 220);
  --accent-foreground: oklch(0.98 0 0);

  --destructive: oklch(0.6 0.22 25);

  --border: oklch(1 0 0 / 0.08);
  --input: oklch(1 0 0 / 0.12);

  --ring: oklch(0.65 0.18 240);

  /* Blue-teal-cyan chart palette */
  --chart-1: oklch(0.65 0.18 240);
  --chart-2: oklch(0.6 0.15 200);
  --chart-3: oklch(0.6 0.12 180);
  --chart-4: oklch(0.7 0.15 220);
  --chart-5: oklch(0.55 0.15 260);

  /* Deeper sidebar */
  --sidebar: oklch(0.1 0.015 240);
  --sidebar-foreground: oklch(0.92 0.01 240);
  --sidebar-primary: oklch(0.65 0.18 240);
  --sidebar-primary-foreground: oklch(0.98 0 0);
  --sidebar-accent: oklch(0.2 0.02 240);
  --sidebar-accent-foreground: oklch(0.92 0.01 240);
  --sidebar-border: oklch(1 0 0 / 0.06);
  --sidebar-ring: oklch(0.65 0.18 240);

  /* Glass overrides for dark */
  --glass-bg: oklch(1 0 0 / 0.05);
  --glass-border: oklch(1 0 0 / 0.1);
}

@layer base {
  * {
    @apply border-border outline-ring/50;
  }
  body {
    @apply bg-background text-foreground;
  }
  html {
    @apply font-sans scroll-smooth;
  }

  /* Custom selection color */
  ::selection {
    background: oklch(0.65 0.18 240 / 0.3);
    color: inherit;
  }

  .dark ::selection {
    background: oklch(0.65 0.18 240 / 0.4);
  }

  /* Scrollbar styling */
  ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
  }
  ::-webkit-scrollbar-track {
    background: transparent;
  }
  ::-webkit-scrollbar-thumb {
    background: oklch(1 0 0 / 0.1);
    border-radius: 999px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: oklch(1 0 0 / 0.2);
  }
}

/* ── Utility classes ─────────────────────────── */

/* Glass card effect */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* Gradient text */
.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Gradient border (via pseudo-element trick) */
.gradient-border {
  position: relative;
}
.gradient-border::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--accent-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

/* Animated background */
@keyframes gradient-shift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.animate-gradient {
  background: linear-gradient(
    -45deg,
    oklch(0.65 0.18 240 / 0.1),
    oklch(0.6 0.15 200 / 0.05),
    oklch(0.12 0.02 240 / 1),
    oklch(0.65 0.12 180 / 0.08)
  );
  background-size: 400% 400%;
  animation: gradient-shift 15s ease infinite;
}

/* Counter animation placeholder - will be done in JS */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fade-in-up 0.3s ease-out forwards;
}

/* Pulse ring for live indicators */
@keyframes pulse-ring {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

.live-pulse-ring {
  animation: pulse-ring 1.5s ease-out infinite;
}