/*
================================================================================
TOWAGA: AMONG SHADOWS - BASE CSS
================================================================================
Modern, dark, dynamic base stylesheet for a professional gaming website
================================================================================
*/

/* ============================================================================
   CSS VARIABLES
   ========================================================================= */
:root {
  /* Colors - Dark Fantasy Theme with Light Accents */
  --color-background: #0a0a0f;
  --color-background-elevated: #13131a;
  --color-background-overlay: #1a1a24;
  --color-background-card: #1f1f2e;
  
  --color-text: #e8e8f0;
  --color-text-secondary: #a8a8b8;
  --color-text-muted: #6a6a7a;
  
  --color-primary: #ffb84d;
  --color-primary-light: #ffd480;
  --color-primary-dark: #ff9f1a;
  --color-primary-glow: rgba(255, 184, 77, 0.3);
  
  --color-accent: #4d9fff;
  --color-accent-light: #80b8ff;
  --color-accent-glow: rgba(77, 159, 255, 0.25);
  
  --color-success: #4ade80;
  --color-success-light: #86efac;
  --color-success-dark: #22c55e;
  
  --color-warning: #fbbf24;
  --color-warning-light: #fcd34d;
  --color-warning-dark: #f59e0b;
  
  --color-danger: #f87171;
  --color-danger-light: #fca5a5;
  --color-danger-dark: #ef4444;
  
  --color-neutral-100: #f5f5f7;
  --color-neutral-200: #e5e5ea;
  --color-neutral-300: #d1d1d6;
  --color-neutral-400: #a1a1a8;
  --color-neutral-500: #6a6a7a;
  --color-neutral-600: #48484f;
  --color-neutral-700: #2c2c34;
  --color-neutral-800: #1f1f2e;
  --color-neutral-900: #13131a;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-heading: 'Rajdhani', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, 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: 1.75;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* 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: 0.25rem;   /* 4px */
  --radius-base: 0.5rem;  /* 8px */
  --radius-md: 0.75rem;   /* 12px */
  --radius-lg: 1rem;      /* 16px */
  --radius-xl: 1.5rem;    /* 24px */
  --radius-2xl: 2rem;     /* 32px */
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-base: 0 2px 8px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px 0 rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 24px 0 rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 16px 48px 0 rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 24px 0 var(--color-primary-glow);
  --shadow-glow-accent: 0 0 24px 0 var(--color-accent-glow);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
}

/* ============================================================================
   RESET & NORMALIZE
   ========================================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

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

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

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

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

a {
  color: inherit;
  text-decoration: none;
}

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(ellipse at top, rgba(255, 184, 77, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at bottom, rgba(77, 159, 255, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  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: 0.02em;
}

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

@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-4xl);
  }
}

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

@media (max-width: 768px) {
  h2 {
    font-size: var(--font-size-3xl);
  }
}

h3 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

@media (max-width: 768px) {
  h3 {
    font-size: var(--font-size-2xl);
  }
}

h4 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
}

h5 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

h6 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}

p {
  margin-bottom: var(--space-4);
  max-width: 65ch;
  color: var(--color-text-secondary);
}

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

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

em,
i {
  font-style: italic;
}

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

a {
  color: var(--color-primary);
  transition: color var(--transition-base);
  position: relative;
}

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

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

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

code {
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-neutral-800);
  border-radius: var(--radius-sm);
  color: var(--color-primary-light);
}

pre {
  padding: var(--space-4);
  background-color: var(--color-neutral-900);
  border-radius: var(--radius-base);
  overflow-x: auto;
  line-height: var(--line-height-relaxed);
}

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

/* ============================================================================
   UTILITIES
   ========================================================================= */

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

@media (max-width: 768px) {
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}

.container-narrow {
  max-width: 960px;
}

.container-wide {
  max-width: 1440px;
}

.container-fluid {
  max-width: 100%;
}

/* 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;
}

.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-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* 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)); }

@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
}

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }

.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

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

/* 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;
}

/* Visibility */
.hidden {
  display: none;
}

.visible {
  visibility: visible;
}

.invisible {
  visibility: hidden;
}

/* ============================================================================
   COMPONENTS
   ========================================================================= */

/* 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-heading);
  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-base);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

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

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-background);
  box-shadow: var(--shadow-base), var(--shadow-glow);
}

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

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

.btn-secondary {
  background-color: var(--color-background-elevated);
  color: var(--color-text);
  border-color: var(--color-neutral-600);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--color-neutral-700);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-base);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

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

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

.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);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Inputs */
.input,
.textarea,
.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-background-elevated);
  border: 1px solid var(--color-neutral-600);
  border-radius: var(--radius-base);
  transition: all var(--transition-base);
}

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

.input:hover,
.textarea:hover,
.select:hover {
  border-color: var(--color-neutral-500);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.input:disabled,
.textarea:disabled,
.select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--color-neutral-800);
}

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

.input-error,
.textarea-error,
.select-error {
  border-color: var(--color-danger);
}

.input-error:focus,
.textarea-error:focus,
.select-error:focus {
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.25);
}

/* Cards */
.card {
  background-color: var(--color-background-card);
  border: 1px solid var(--color-neutral-700);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-base);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

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

.card:hover::before {
  transform: scaleX(1);
}

.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-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-2);
  color: var(--color-primary-light);
}

.card-body {
  margin-bottom: var(--space-4);
}

.card-body:last-child {
  margin-bottom: 0;
}

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

.card-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-base);
  margin-bottom: var(--space-4);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-background);
}

.badge-secondary {
  background-color: var(--color-neutral-600);
  color: var(--color-text);
}

.badge-success {
  background-color: var(--color-success);
  color: var(--color-background);
}

.badge-warning {
  background-color: var(--color-warning);
  color: var(--color-background);
}

.badge-danger {
  background-color: var(--color-danger);
  color: var(--color-text);
}

/* Alert */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-base);
  border-left: 4px solid;
  margin-bottom: var(--space-4);
}

.alert-info {
  background-color: rgba(77, 159, 255, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}

.alert-success {
  background-color: rgba(74, 222, 128, 0.1);
  border-color: var(--color-success);
  color: var(--color-success-light);
}

.alert-warning {
  background-color: rgba(251, 191, 36, 0.1);
  border-color: var(--color-warning);
  color: var(--color-warning-light);
}

.alert-danger {
  background-color: rgba(248, 113, 113, 0.1);
  border-color: var(--color-danger);
  color: var(--color-danger-light);
}

/* ============================================================================
   ACCESSIBILITY
   ========================================================================= */

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

/* Skip to Content Link */
.skip-to-content {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-primary);
  color: var(--color-background);
  border-radius: var(--radius-base);
  font-weight: var(--font-weight-semibold);
  z-index: var(--z-tooltip);
  transform: translateY(-200%);
  transition: transform var(--transition-base);
}

.skip-to-content:focus {
  transform: translateY(0);
}

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

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-background: #000000;
    --color-text: #ffffff;
  }
  
  .card {
    border-width: 2px;
  }
  
  .btn {
    border-width: 3px;
  }
}

/* ============================================================================
   END OF BASE CSS
   ========================================================================= */