@import "tailwindcss";
@plugin "@tailwindcss/typography";

/* Light mode defaults (:root) */
:root {
  color-scheme: light;
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --bg-elevated: #f1f5f9;
  --bg-elevated-hover: #e2e8f0;
  --border-color: #e2e8f0;
  --border-subtle: #edf2f7;
  --border-card: #e2e8f0;

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;

  --brand: #5e6ad2;
  --accent: #4f46e5;
  --accent-hover: #4338ca;

  --nav-bg: rgba(255, 255, 255, 0.88);
  --code-bg: #f1f5f9;
  --code-block-bg: #0f172a;
  --pre-text: #f8fafc;
  --table-zebra: rgba(241, 245, 249, 0.6);
  --scrollbar-thumb: #cbd5e1;
  --scrollbar-thumb-hover: #94a3b8;
  --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
}

/* Dark mode overrides (html.dark) */
html.dark {
  color-scheme: dark;
  --bg-app: #08090a;
  --bg-surface: #0f1011;
  --bg-surface-hover: #131415;
  --bg-elevated: #141517;
  --bg-elevated-hover: #1b1d20;
  --border-color: #1f2022;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card: #1f2022;

  --text-primary: #f7f8f8;
  --text-secondary: #d0d6e0;
  --text-muted: #8a8f98;
  --text-dim: #62666d;

  --brand: #5e6ad2;
  --accent: #7170ff;
  --accent-hover: #828fff;

  --nav-bg: rgba(8, 9, 10, 0.85);
  --code-bg: #141517;
  --code-block-bg: #0c0d0e;
  --pre-text: #e2e4e7;
  --table-zebra: rgba(255, 255, 255, 0.02);
  --scrollbar-thumb: #23252a;
  --scrollbar-thumb-hover: #383b42;
  --shadow-card: none;
}

@theme inline {
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;

  --color-background: var(--bg-app);
  --color-surface: var(--bg-surface);
  --color-surface-hover: var(--bg-surface-hover);
  --color-elevated: var(--bg-elevated);
  --color-elevated-hover: var(--bg-elevated-hover);
  --color-border: var(--border-color);
  --color-border-subtle: var(--border-subtle);

  --color-text-primary: var(--text-primary);
  --color-text-secondary: var(--text-secondary);
  --color-text-tertiary: var(--text-muted);
  --color-text-quaternary: var(--text-dim);

  --color-brand: var(--brand);
  --color-accent: var(--accent);
  --color-accent-hover: var(--accent-hover);
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-app);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-feature-settings: "cv01", "ss03";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 9999px;
}

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

/* Glassmorphism helpers */
.glass-panel {
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
}

.glass-nav {
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Prose markdown typography for both Light and Dark modes */
.prose {
  color: var(--text-secondary) !important;
}

.prose h1, .prose h2, .prose h3, .prose h4, .prose strong {
  color: var(--text-primary) !important;
}

.prose a {
  color: var(--accent) !important;
}

.prose table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.75rem 0;
  font-size: 0.875rem;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.prose th,
.prose td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.prose th {
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.prose td {
  color: var(--text-secondary);
}

.prose tbody tr:last-child td {
  border-bottom: none;
}

.prose tbody tr:nth-child(even) {
  background: var(--table-zebra);
}

.prose pre {
  background: var(--code-block-bg) !important;
  border: 1px solid var(--border-color);
  border-radius: 0.625rem;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  position: relative;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.85em;
}

.prose :not(pre) > code {
  background: var(--code-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.35rem;
  border-radius: 0.25rem;
  font-weight: 500;
}

.prose :not(pre) > code::before,
.prose :not(pre) > code::after {
  content: none !important;
}

.prose blockquote {
  border-left: 3px solid var(--brand);
  background: rgba(94, 106, 210, 0.08);
  border-radius: 0 0.375rem 0.375rem 0;
  margin: 1.5em 0;
  padding: 0.75em 1.25em;
  font-style: normal;
  color: var(--text-muted);
}

.prose hr {
  border-color: var(--border-color);
  margin: 2.5rem 0;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.2s ease-out forwards;
}