@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=JetBrains+Mono:wght@400;500&display=swap');
@import "tailwindcss";

@theme {
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-serif: "Playfair Display", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  /* Foundation */
  --color-paper: #F2F0E9;
  --color-ink: #1C1C1C;
  --color-muted-ink: rgba(28, 28, 28, 0.6);
  --color-border: rgba(28, 28, 28, 0.1);
  --color-concrete: #8D8D8D;

  /* Architectural Accents */
  --color-accent: #A47148;     /* Warm Earthy Brown */
  --color-slate: #4A4E69;
  --color-ochre: #D4A373;
  --color-sage: #A3B18A;
  --color-rust: #9B2226;
  --color-glass: rgba(255, 255, 255, 0.4);

  /* Dark Theme Aliases */
  --color-dark-paper: #0D0D0D;
  --color-dark-ink: #EAEAEA;
  --color-dark-muted: rgba(234, 234, 234, 0.5);
  --color-dark-border: rgba(234, 234, 234, 0.1);
}

@layer base {
  body {
    @apply bg-paper text-ink font-sans antialiased transition-colors duration-500;
  }

  .dark body {
    @apply bg-dark-paper;
  }

  .dark {
    --color-paper: #121212;
    --color-ink: #EAEAEA;
    --color-muted-ink: rgba(234, 234, 234, 0.6);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-glass: rgba(0, 0, 0, 0.4);
    --color-concrete: #555555;
  }
}

.paper-texture {
  background-color: var(--color-paper);
  background-image: url("https://www.transparenttextures.com/patterns/natural-paper.png");
}

/* Custom Scrollbar - Architectural Minimalist */
.custom-scrollbar::-webkit-scrollbar {
  width: 3px;
}

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

.custom-scrollbar::-webkit-scrollbar-thumb {
  background: rgba(28, 28, 28, 0.08);
  border-radius: 10px;
}

.custom-scrollbar:hover::-webkit-scrollbar-thumb {
  background: rgba(28, 28, 28, 0.2);
}

.ai-glass {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.dark .ai-glass {
  background: rgba(30, 30, 30, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-shadow {
  box-shadow: 1px 0 10px rgba(0, 0, 0, 0.05);
}

.active-nav-item {
  background: linear-gradient(to right, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.4));
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.dark .active-nav-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}