/* === TextMod Main Stylesheet === */
/* Global styles, variables, resets */

:root {
  /* Colors - Dark mode defaults */
  --color-bg-primary: #1a1a1a;
  --color-bg-secondary: #2d2d2d;
  --color-bg-tertiary: #3a3a3a;
  --color-text-primary: #e0e0e0;
  --color-text-secondary: #a0a0a0;
  --color-text-muted: #707070;
  --color-border: #3a3a3a;
  --color-accent: #6366f1;
  --color-accent-hover: #7c3aed;
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Typography */
  --font-family-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-family-mono: 'Courier New', Courier, monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-width: 1px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Responsive breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
}

/* Light mode overrides */
[data-theme="light"] {
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f5f5f5;
  --color-bg-tertiary: #eeeeee;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-text-muted: #888888;
  --color-border: #d4d4d4;
  --color-accent: #6366f1;
  --color-accent-hover: #4f46e5;
}

/* === Reset and Base Styles === */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-family-system);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Typography */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: var(--font-size-2xl);
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* Form elements */

input,
textarea,
button,
select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

textarea {
  resize: vertical;
}

/* Utility classes */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.loading {
  color: var(--color-text-secondary);
  text-align: center;
  padding: var(--spacing-lg);
  font-size: var(--font-size-sm);
}