@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;700&family=Inter:wght@400;600&family=JetBrains+Mono:wght@400&display=swap');

@tailwind base;
@tailwind components;
@tailwind utilities;

/* ============================================
   U-Cloud 24 Brand Identity CSS Variables
   ============================================ */

:root {
  /* Primary Colors */
  --color-primary-dark: #0A0F1F;
  --color-primary-electric: #0057FF;
  --color-primary-cyan: #00F0FF;

  /* Secondary Colors */
  --color-secondary-gray: #1A2639;
  --color-neutral-white: #FFFFFF;
  --color-neutral-light: #E0E0E0;
  --color-neutral-gray: #CCCCCC;

  /* Semantic Colors */
  --color-success: #4CAF50;
  --color-warning: #FF9800;
  --color-error: #F44336;
  --color-info: #2196F3;

  /* Typography */
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* ============================================
   Base Typography
   ============================================ */

html {
  font-size: 16px;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-primary-dark);
  color: var(--color-neutral-white);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

h1 {
  font-size: 48px;
}

h2 {
  font-size: 32px;
}

h3 {
  font-size: 24px;
}

h4 {
  font-size: 20px;
}

h5 {
  font-size: 18px;
}

h6 {
  font-size: 16px;
}

/* Paragraphs and inline text */
p {
  margin: 0 0 var(--spacing-md) 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: var(--color-primary-cyan);
  text-decoration: none;
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--color-primary-electric);
}

a:focus-visible {
  outline: 2px solid var(--color-primary-cyan);
  outline-offset: 2px;
}

/* Code blocks */
code, pre {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
}

pre {
  background-color: var(--color-secondary-gray);
  color: var(--color-primary-cyan);
  padding: var(--spacing-md);
  border-radius: 6px;
  overflow-x: auto;
  margin: 0 0 var(--spacing-md) 0;
}

code {
  color: var(--color-primary-cyan);
}

/* ============================================
   Interactive Elements
   ============================================ */

button {
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 12px 24px;
  transition: all var(--transition-normal);
  letter-spacing: 0;
}

button:focus-visible {
  outline: 2px solid var(--color-primary-cyan);
  outline-offset: 2px;
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: 16px;
  padding: 12px 16px;
  border: 1px solid var(--color-secondary-gray);
  border-radius: 6px;
  background-color: var(--color-primary-dark);
  color: var(--color-neutral-white);
  transition: border-color var(--transition-normal);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

input::placeholder, textarea::placeholder {
  color: var(--color-neutral-gray);
}

/* ============================================
   Text Color Utilities
   ============================================ */

.text-primary {
  color: var(--color-neutral-white);
}

.text-secondary {
  color: var(--color-neutral-gray);
}

.text-accent {
  color: var(--color-primary-cyan);
}

.text-electric {
  color: var(--color-primary-electric);
}

/* ============================================
   Utility Classes
   ============================================ */

.font-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.5px;
}

.font-body {
  font-family: var(--font-body);
  font-weight: 400;
}

.font-semibold {
  font-weight: 600;
}

.font-mono {
  font-family: var(--font-mono);
}