/* =========================================
   Variables
   ========================================= */
:root {
  /* Colors */
  --color-bg: #050610;
  --color-bg-elevated: #0b0d1a;
  --color-bg-soft: #111427;

  --color-text: #f4f5ff;
  --color-text-muted: #a5b0d8;
  --color-border-subtle: #252b4a;

  --color-primary: #33bbff; /* neon blue */
  --color-primary-soft: rgba(51, 187, 255, 0.16);

  --color-accent-purple: #a855ff;
  --color-accent-emerald: #22e6a8;

  --color-success: #22e6a8;
  --color-warning: #ffcc33;
  --color-danger: #ff4b81;

  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2933;
  --color-gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Rajdhani", "Orbitron", system-ui, sans-serif;

  --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-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px converted to rem, base 16px) */
  --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 */

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 999px; /* pills */
  --radius-card: 14px;

  /* Shadows / Glows (gaming style) */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.55);
  --shadow-strong: 0 18px 45px rgba(0, 0, 0, 0.75);
  --shadow-neon-primary: 0 0 18px rgba(51, 187, 255, 0.7);
  --shadow-neon-emerald: 0 0 18px rgba(34, 230, 168, 0.7);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 320ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
}

/* =========================================
   Reset / Normalize
   ========================================= */
*, *::before, *::after {
  box-sizing: border-box;
}

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
li,
figure,
blockquote,
dl,
dd {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

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

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

button {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

/* Remove default link underline, handled in base styles */
a {
  text-decoration: none;
  color: inherit;
}

/* =========================================
   Base Styles
   ========================================= */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background-color: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  min-height: 60vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--line-height-snug);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.25rem, 4vw, 3rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

a {
  color: var(--color-primary);
  transition: color var(--transition-base), text-shadow var(--transition-base);
}

a:hover {
  color: var(--color-accent-emerald);
  text-shadow: 0 0 8px rgba(51, 187, 255, 0.7);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-6) 0;
}

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

/* Layout container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

/* Flex helpers */
.flex {
  display: flex;
}

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

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

.gap-xs {
  gap: var(--space-2);
}

.gap-sm {
  gap: var(--space-3);
}

.gap-md {
  gap: var(--space-4);
}

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

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

@media (max-width: 767px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing utilities (top/bottom) */
.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-2); }
.mt-sm { margin-top: var(--space-3); }
.mt-md { margin-top: var(--space-4); }
.mt-lg { margin-top: var(--space-6); }
.mt-xl { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-2); }
.mb-sm { margin-bottom: var(--space-3); }
.mb-md { margin-bottom: var(--space-4); }
.mb-lg { margin-bottom: var(--space-6); }
.mb-xl { margin-bottom: var(--space-8); }

.pt-sm { padding-top: var(--space-3); }
.pt-md { padding-top: var(--space-4); }
.pt-lg { padding-top: var(--space-6); }
.pb-sm { padding-bottom: var(--space-3); }
.pb-md { padding-bottom: var(--space-4); }
.pb-lg { padding-bottom: var(--space-6); }

/* 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: 0;
}

/* Neon accent border for gaming highlights */
.glow-border-primary {
  border: 1px solid rgba(51, 187, 255, 0.65);
  box-shadow: 0 0 16px rgba(51, 187, 255, 0.35);
}

/* =========================================
   Components
   ========================================= */

/* Buttons - primary CTA, secondary, ghost */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-xl);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast),
              border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-purple));
  color: #050610;
  box-shadow: var(--shadow-neon-primary);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-neon-primary), 0 0 24px rgba(168, 85, 255, 0.7);
}

.btn-secondary {
  background: rgba(10, 16, 40, 0.9);
  color: var(--color-text);
  border-color: rgba(51, 187, 255, 0.45);
}

.btn-secondary:hover {
  background: rgba(17, 24, 56, 0.95);
  box-shadow: var(--shadow-soft);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(165, 176, 216, 0.5);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.02);
  box-shadow: 0 0 12px rgba(165, 176, 216, 0.3);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent-emerald);
  outline-offset: 3px;
}

/* Inputs / Textareas / Selects */
.input,
textarea,
select {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(5, 7, 20, 0.96);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

.input::placeholder,
textarea::placeholder {
  color: rgba(165, 176, 216, 0.7);
}

.input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(51, 187, 255, 0.4);
}

.input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-display);
  color: var(--color-text-muted);
}

/* Card component - used for game descriptions, guides, news, etc. */
.card {
  position: relative;
  padding: var(--space-4);
  border-radius: var(--radius-card);
  background: radial-gradient(circle at top left, rgba(51, 187, 255, 0.08), transparent 45%),
              radial-gradient(circle at bottom right, rgba(168, 85, 255, 0.09), transparent 50%),
              var(--color-bg-elevated);
  border: 1px solid rgba(37, 43, 74, 0.9);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(34, 230, 168, 0.03);
  pointer-events: none;
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-1);
}

.card-meta {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

/* Progress bar - for leveling / progression visuals */
.progress {
  position: relative;
  width: 100%;
  height: 0.55rem;
  border-radius: var(--radius-xl);
  background: rgba(16, 24, 56, 0.85);
  overflow: hidden;
}

.progress-bar {
  position: absolute;
  inset: 0;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-accent-emerald), var(--color-primary));
  box-shadow: 0 0 10px rgba(34, 230, 168, 0.7);
  transition: width 260ms ease-out;
}

/* =========================================
   Accessibility & Motion
   ========================================= */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* =========================================
   Theming Hooks for Pages (optional)
   ========================================= */

/* Hero sections - immersive gradient for portal gamingowy */
.section-hero {
  position: relative;
  padding: var(--space-16) 0 var(--space-10);
  background:
    radial-gradient(circle at 0% 0%, rgba(51, 187, 255, 0.26), transparent 60%),
    radial-gradient(circle at 100% 0%, rgba(168, 85, 255, 0.22), transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(34, 230, 168, 0.18), transparent 55%),
    linear-gradient(160deg, #020310, #050610 55%, #050813 100%);
}

.section-default {
  padding: var(--space-10) 0;
  background: radial-gradient(circle at top, rgba(19, 32, 73, 0.6), transparent 55%), var(--color-bg);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(51, 187, 255, 0.7);
  background: rgba(6, 10, 32, 0.9);
  font-size: 0.7rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}