/* ==========================================================================
   CSS Variables
   ========================================================================== */

:root {
  /* Colors - Cosmic Palette */
  --color-background: #0a0a0f;
  --color-background-alt: #12121a;
  --color-background-elevated: #1a1a28;
  
  --color-text: #e0e0f0;
  --color-text-secondary: #a0a0c0;
  --color-text-muted: #707088;
  
  --color-primary: #00ffff;
  --color-primary-dark: #00cccc;
  --color-primary-glow: rgba(0, 255, 255, 0.3);
  
  --color-secondary: #8b5cf6;
  --color-secondary-dark: #7c3aed;
  --color-secondary-glow: rgba(139, 92, 246, 0.3);
  
  --color-accent: #00d9ff;
  --color-accent-glow: rgba(0, 217, 255, 0.4);
  
  --color-success: #10b981;
  --color-success-glow: rgba(16, 185, 129, 0.3);
  
  --color-warning: #f59e0b;
  --color-warning-glow: rgba(245, 158, 11, 0.3);
  
  --color-danger: #ef4444;
  --color-danger-glow: rgba(239, 68, 68, 0.3);
  
  --color-neutral-900: #16161f;
  --color-neutral-800: #1e1e2e;
  --color-neutral-700: #2a2a3e;
  --color-neutral-600: #3a3a52;
  --color-neutral-500: #4a4a66;
  --color-neutral-400: #6a6a88;
  --color-neutral-300: #8a8aa8;
  --color-neutral-200: #aaaac8;
  --color-neutral-100: #cacae8;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Orbitron', 'Rajdhani', 'Exo 2', monospace, sans-serif;
  --font-mono: 'Fira Code', 'Courier New', Consolas, monospace;
  
  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */
  --font-size-4xl: 2.25rem;    /* 36px */
  --font-size-5xl: 3rem;       /* 48px */
  --font-size-6xl: 3.75rem;    /* 60px */
  
  --line-height-tight: 1.2;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  
  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;    /* 4px */
  --space-2: 0.5rem;     /* 8px */
  --space-3: 0.75rem;    /* 12px */
  --space-4: 1rem;       /* 16px */
  --space-5: 1.25rem;    /* 20px */
  --space-6: 1.5rem;     /* 24px */
  --space-8: 2rem;       /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */
  
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem;   /* 2px */
  --radius-base: 0.25rem;  /* 4px */
  --radius-md: 0.375rem;   /* 6px */
  --radius-lg: 0.5rem;     /* 8px */
  --radius-xl: 0.75rem;    /* 12px */
  --radius-2xl: 1rem;      /* 16px */
  --radius-3xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;
  
  /* Shadows - Cosmic Glow Effects */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.6), 0 1px 2px -1px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.6), 0 2px 4px -2px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.7), 0 4px 6px -4px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 8px 10px -6px rgba(0, 0, 0, 0.6);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  
  --shadow-neon-cyan: 0 0 10px var(--color-primary-glow), 0 0 20px var(--color-primary-glow), 0 0 30px rgba(0, 255, 255, 0.2);
  --shadow-neon-purple: 0 0 10px var(--color-secondary-glow), 0 0 20px var(--color-secondary-glow), 0 0 30px rgba(139, 92, 246, 0.2);
  --shadow-neon-teal: 0 0 10px var(--color-accent-glow), 0 0 20px var(--color-accent-glow), 0 0 30px rgba(0, 217, 255, 0.2);
  
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.6);
  
  /* Transitions */
  --transition-fast: 150ms;
  --transition-base: 250ms;
  --transition-slow: 350ms;
  --transition-slower: 500ms;
  
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Z-index Scale */
  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1100;
  --z-fixed: 1200;
  --z-modal-backdrop: 1300;
  --z-modal: 1400;
  --z-popover: 1500;
  --z-tooltip: 1600;
}

/* ==========================================================================
   CSS Reset & Normalize
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 255, 255, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Typography */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-black);
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 40px var(--color-primary-glow);
}

h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-5);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

strong,
b {
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

em,
i {
  font-style: italic;
}

small {
  font-size: var(--font-size-sm);
}

code,
pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-neutral-800);
  border: 1px solid var(--color-neutral-700);
  border-radius: var(--radius-base);
  color: var(--color-primary);
}

pre {
  padding: var(--space-4);
  background-color: var(--color-neutral-900);
  border: 1px solid var(--color-neutral-700);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin-bottom: var(--space-4);
}

pre code {
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base) var(--ease-out);
  position: relative;
}

a:hover {
  color: var(--color-primary-dark);
  text-shadow: 0 0 8px var(--color-primary-glow);
}

a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

a:focus:not(:focus-visible) {
  outline: none;
}

hr {
  border: none;
  border-top: 1px solid var(--color-neutral-700);
  margin: var(--space-8) 0;
  box-shadow: 0 1px 0 var(--color-neutral-800);
}

blockquote {
  padding-left: var(--space-4);
  border-left: 3px solid var(--color-primary);
  margin: var(--space-6) 0;
  font-style: italic;
  color: var(--color-text-secondary);
  box-shadow: -3px 0 0 var(--color-primary-glow);
}

/* ==========================================================================
   Layout Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

.container-fluid {
  width: 100%;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* Flexbox Utilities */

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-row {
  flex-direction: row;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-nowrap {
  flex-wrap: nowrap;
}

.items-start {
  align-items: flex-start;
}

.items-center {
  align-items: center;
}

.items-end {
  align-items: flex-end;
}

.items-stretch {
  align-items: stretch;
}

.justify-start {
  justify-content: flex-start;
}

.justify-center {
  justify-content: center;
}

.justify-end {
  justify-content: flex-end;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.flex-1 {
  flex: 1 1 0%;
}

.flex-auto {
  flex: 1 1 auto;
}

.flex-none {
  flex: none;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }

/* Grid Utilities */

.grid {
  display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

/* Text Alignment */

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Display Utilities */

.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.hidden { display: none; }

/* Screen Reader Only */

.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;
}

/* ==========================================================================
   Component Styles
   ========================================================================== */

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base) var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow) var(--ease-out), height var(--transition-slow) var(--ease-out);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-background), 0 0 0 5px currentColor;
}

.btn:focus:not(:focus-visible) {
  box-shadow: none;
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-background);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-neon-cyan), var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  box-shadow: var(--shadow-neon-cyan), var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: var(--color-text);
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-neon-purple), var(--shadow-md);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-secondary) 100%);
  box-shadow: var(--shadow-neon-purple), var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: inset 0 0 20px rgba(0, 255, 255, 0.1);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-background);
  box-shadow: var(--shadow-neon-cyan);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--color-neutral-800);
  color: var(--color-primary);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

/* Form Elements */

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-neutral-900);
  border: 2px solid var(--color-neutral-700);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base) var(--ease-out);
  box-shadow: var(--shadow-inner);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--color-neutral-600);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-neutral-800);
  box-shadow: var(--shadow-neon-cyan), var(--shadow-inner);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--color-neutral-900);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-checkbox,
.form-radio {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--color-neutral-600);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--transition-base) var(--ease-out);
}

.form-radio {
  border-radius: var(--radius-full);
}

.form-checkbox:checked,
.form-radio:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-neon-cyan);
}

.form-checkbox:focus,
.form-radio:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

/* Card Component */

.card {
  background: linear-gradient(135deg, var(--color-background-elevated) 0%, var(--color-background-alt) 100%);
  border: 1px solid var(--color-neutral-700);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
  opacity: 0.5;
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-neon-cyan), var(--shadow-xl);
  transform: translateY(-4px);
}

.card-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-neutral-700);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-body {
  color: var(--color-text-secondary);
}

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-neutral-700);
}

/* Badge Component */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: var(--color-primary);
  color: var(--color-background);
  box-shadow: 0 0 10px var(--color-primary-glow);
}

.badge-secondary {
  background: var(--color-secondary);
  color: var(--color-text);
  box-shadow: 0 0 10px var(--color-secondary-glow);
}

.badge-success {
  background: var(--color-success);
  color: var(--color-background);
  box-shadow: 0 0 10px var(--color-success-glow);
}

.badge-warning {
  background: var(--color-warning);
  color: var(--color-background);
  box-shadow: 0 0 10px var(--color-warning-glow);
}

.badge-danger {
  background: var(--color-danger);
  color: var(--color-text);
  box-shadow: 0 0 10px var(--color-danger-glow);
}

/* Alert Component */

.alert {
  padding: var(--space-4) var(--space-5);
  border: 1px solid;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  position: relative;
  overflow: hidden;
}

.alert::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: currentColor;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.alert-info {
  background: rgba(0, 255, 255, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-background);
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  border-radius: 0 0 var(--radius-lg) 0;
  z-index: var(--z-tooltip);
  font-weight: var(--font-weight-bold);
  transition: top var(--transition-base) var(--ease-out);
}

.skip-to-content:focus {
  top: 0;
}

@media (prefers-reduced-motion: reduce) {
  .card:hover {
    transform: none;
  }
  
  .btn:hover {
    transform: none;
  }
}

/* High contrast mode support */

@media (prefers-contrast: high) {
  .btn,
  .form-input,
  .form-textarea,
  .form-select,
  .card {
    border-width: 2px;
  }
}

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

/* Spacing */
.m-0 { margin: var(--space-0); }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-0 { margin-top: var(--space-0); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: var(--space-0); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-0 { padding: var(--space-0); }
.p-2 { padding: var(--space-2); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }

/* Height */
.h-full { height: 100%; }
.h-auto { height: auto; }

/* Text Colors */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: var(--color-text-muted); }

/* Background Colors */
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-transparent { background-color: transparent; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

/* Shadows */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-neon-cyan { box-shadow: var(--shadow-neon-cyan); }
.shadow-neon-purple { box-shadow: var(--shadow-neon-purple); }

/* Border Radius */
.rounded-none { border-radius: var(--radius-none); }
.rounded { border-radius: var(--radius-base); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }