Initial

src/styles/global.css

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+@import "tailwindcss";
+@plugin "@tailwindcss/typography";
+
+@theme {
+  --font-sans: "Inter", "Noto Sans Thai", system-ui, sans-serif;
+  --font-serif: "Merriweather", Georgia, serif;
+
+  --color-primary-50: #f8fafc;
+  --color-primary-100: #f1f5f9;
+  --color-primary-200: #e2e8f0;
+  --color-primary-300: #cbd5e1;
+  --color-primary-400: #94a3b8;
+  --color-primary-500: #64748b;
+  --color-primary-600: #475569;
+  --color-primary-700: #334155;
+  --color-primary-800: #1e293b;
+  --color-primary-900: #0f172a;
+  --color-primary-950: #020617;
+
+  --color-accent-50: #eff6ff;
+  --color-accent-100: #dbeafe;
+  --color-accent-200: #bfdbfe;
+  --color-accent-300: #93c5fd;
+  --color-accent-400: #60a5fa;
+  --color-accent-500: #3b82f6;
+  --color-accent-600: #2563eb;
+  --color-accent-700: #1d4ed8;
+  --color-accent-800: #1e40af;
+  --color-accent-900: #1e3a8a;
+
+  --color-success-500: #22c55e;
+  --color-warning-500: #f59e0b;
+  --color-error-500: #ef4444;
+
+  --radius-sm: 0.25rem;
+  --radius-md: 0.5rem;
+  --radius-lg: 0.75rem;
+  --radius-xl: 1rem;
+  --radius-2xl: 1.5rem;
+  --radius-full: 9999px;
+}
+
+html {
+  scroll-behavior: smooth;
+}
+
+body {
+  font-family: var(--font-sans);
+  line-height: 1.6;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+::selection {
+  background-color: var(--color-accent-200);
+  color: var(--color-primary-900);
+}