/* ========================================================================== *\
   Variables
\* ========================================================================== */
:root {
  /* Colors */
  --color-bg: #050608; /* deep graphite black */
  --color-surface: #101219; /* elevated surface */
  --color-surface-alt: #181b24;
  --color-text: #f5f7ff; /* primary text */
  --color-text-muted: #a0a6b8;
  --color-primary: #35d16f; /* electric green */
  --color-primary-soft: rgba(53, 209, 111, 0.15);
  --color-primary-strong: #21b859;
  --color-accent: #ff4b5c; /* subtle red accent for highlights */
  --color-border-subtle: #252a35;
  --color-border-strong: #3a4152;
  --color-success: #35d16f;
  --color-warning: #ffb020;
  --color-danger: #ff4b5c;
  --color-info: #42b8ff;
  --color-neutral-50: #f9fafb;
  --color-neutral-100: #f3f4f6;
  --color-neutral-200: #e5e7eb;
  --color-neutral-300: #d1d5db;
  --color-neutral-400: #9ca3af;
  --color-neutral-500: #6b7280;
  --color-neutral-600: #4b5563;
  --color-neutral-700: #374151;
  --color-neutral-800: #1f2933;
  --color-neutral-900: #111827;

  /* Backdrop overlays */
  --color-backdrop: rgba(0, 0, 0, 0.75);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px - slightly elevated for readability */
  --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 */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.125rem; /* 2px */
  --space-2: 0.25rem;  /* 4px */
  --space-3: 0.375rem; /* 6px */
  --space-4: 0.5rem;   /* 8px */
  --space-5: 0.625rem; /* 10px */
  --space-6: 0.75rem;  /* 12px */
  --space-8: 1rem;     /* 16px */
  --space-10: 1.25rem; /* 20px */
  --space-12: 1.5rem;  /* 24px */
  --space-16: 2rem;    /* 32px */
  --space-20: 2.5rem;  /* 40px */
  --space-24: 3rem;    /* 48px */
  --space-32: 4rem;    /* 64px */
  --space-40: 5rem;    /* 80px */
  --space-48: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-2xl: 24px;
  --radius-full: 999px;

  /* Shadows (subtle neon glow for gaming aesthetic) */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 18px 45px rgba(0, 0, 0, 0.75);
  --shadow-glow-primary: 0 0 24px rgba(53, 209, 111, 0.35);
  --shadow-glow-accent: 0 0 24px rgba(255, 75, 92, 0.35);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 260ms ease-out;

  /* Layout */
  --layout-max-width: 1200px;
  --layout-max-width-wide: 1440px;
  --layout-gutter: var(--space-16);

  /* Focus outline */
  --focus-outline-color: var(--color-primary);
  --focus-outline-width: 2px;
  --focus-outline-offset: 3px;
}

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

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
}

h1, h2, h3, h4, h5, h6,
p, figure, blockquote,
dl, dd {
  margin: 0;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

img,
video {
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  margin: 0;
}

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

textarea {
  resize: vertical;
}

:root {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Remove default focus outline; we reintroduce with :focus-visible below */
:focus {
  outline: none;
}

/* ========================================================================== *\
   Base Styles
\* ========================================================================== */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  background: radial-gradient(circle at top left, #161b28 0, #050608 50%, #020308 100%);
  color: var(--color-text);
}

main {
  min-height: 60vh;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  margin-bottom: var(--space-12);
}

h2 {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  margin-bottom: var(--space-10);
}

h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
}

h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-6);
}

h5 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

h6 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

p {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted);
  }

p + p {
  margin-top: var(--space-4);
}

strong, b {
  font-weight: 600;
}

em, i {
  font-style: italic;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  text-underline-offset: 0.14em;
  transition: color var(--transition-base), text-decoration-color var(--transition-base);
}

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

a:active {
  color: var(--color-accent);
}

code, pre, kbd, samp {
  font-family: var(--font-mono);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-16) 0;
}

::selection {
  background: rgba(53, 209, 111, 0.35);
  color: var(--color-text);
}

/* ========================================================================== *\
   Accessibility & Motion
\* ========================================================================== */
:focus-visible {
  outline: var(--focus-outline-width) solid var(--focus-outline-color);
  outline-offset: var(--focus-outline-offset);
}

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

/* ========================================================================== *\
   Utilities
\* ========================================================================== */
/* Layout containers */
.container {
  width: 100%;
  max-width: var(--layout-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--layout-gutter);
  padding-right: var(--layout-gutter);
}

.container-wide {
  width: 100%;
  max-width: var(--layout-max-width-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--layout-gutter);
  padding-right: var(--layout-gutter);
}

.section {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.section--dense {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

.gap-lg {
  gap: var(--space-12);
}

.gap-xl {
  gap: var(--space-16);
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-10);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-12);
}

.grid-auto-fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-10);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* 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;
}

.sr-only-focusable:focus,
.sr-only-focusable:focus-visible {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Elevation utilities */
.elevated {
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.elevated-strong {
  background-color: var(--color-surface-alt);
  box-shadow: var(--shadow-md);
}

/* Text utilities */
.text-muted {
  color: var(--color-text-muted);
}

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

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

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

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

/* ========================================================================== *\
   Components
\* ========================================================================== */
/* Buttons */
.button {
  --button-bg: var(--color-primary);
  --button-bg-hover: var(--color-primary-strong);
  --button-bg-active: #1c9448;
  --button-color: #050608;
  --button-radius: var(--radius-full);
  --button-padding-y: var(--space-4);
  --button-padding-x: var(--space-12);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--button-padding-y) var(--button-padding-x);
  border-radius: var(--button-radius);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--button-bg), var(--color-primary-strong));
  color: var(--button-color)!important;
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    color var(--transition-base);
  box-shadow: var(--shadow-sm), var(--shadow-glow-primary);
}

.button:hover {
  background: linear-gradient(135deg, var(--button-bg-hover), var(--color-primary));
  box-shadow: var(--shadow-md), var(--shadow-glow-primary);
  transform: translateY(-1px);
}

.button:active {
  background: var(--button-bg-active);
  box-shadow: var(--shadow-xs);
  transform: translateY(0);
}

.button:focus-visible {
  outline: var(--focus-outline-width) solid var(--focus-outline-color);
  outline-offset: 3px;
}

.button--ghost {
  --button-bg: transparent;
  --button-bg-hover: rgba(53, 209, 111, 0.08);
  --button-bg-active: rgba(53, 209, 111, 0.16);

  background: var(--button-bg);
  border-color: var(--color-border-strong);
  color: var(--color-text)!important;
  box-shadow: none;
}

.button--ghost:hover {
  background: var(--button-bg-hover);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xs);
}

.button--ghost:active {
  background: var(--button-bg-active);
}

.button--secondary {
  --button-bg: var(--color-surface);
  --button-bg-hover: var(--color-surface-alt);
  --button-bg-active: #0c0f16;

  background: var(--button-bg);
  color: var(--color-text)!important;
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.button--danger {
  --button-bg: var(--color-danger);
  --button-bg-hover: #ff3246;
  --button-bg-active: #d71b2e;
}

.button--sm {
  --button-padding-y: var(--space-3);
  --button-padding-x: var(--space-8);
  font-size: var(--font-size-xs);
}

.button--lg {
  --button-padding-y: var(--space-6);
  --button-padding-x: var(--space-16);
  font-size: var(--font-size-base);
}

.button[disabled],
.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: var(--shadow-xs);
}

/* Inputs & form controls */
.input,
.select,
.textarea {
  width: 100%;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(11, 14, 22, 0.96);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-fast);
}

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

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-glow-primary);
  background-color: #0f141f;
}

.input[aria-invalid="true"],
.input--error {
  border-color: var(--color-danger);
}

.input[aria-invalid="true"]:focus-visible,
.input--error:focus-visible {
  box-shadow: 0 0 0 1px var(--color-danger), var(--shadow-glow-accent);
}

.select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text-muted) 50%),
    linear-gradient(135deg, var(--color-text-muted) 50%, transparent 50%);
  background-position: calc(100% - 14px) 55%, calc(100% - 9px) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.textarea {
  min-height: 120px;
}

.input:disabled,
.select:disabled,
.textarea:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Form labels & hints */
.label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.field-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--space-2);
}

/* Card / tile component (for game tiles & content blocks) */
.card {
  position: relative;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at top, rgba(53, 209, 111, 0.09) 0, rgba(24, 27, 36, 0.98) 32%, #101219 70%);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow-md);
  padding: var(--space-10);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-slow);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(53, 209, 111, 0.18), transparent 55%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-primary);
  border-color: rgba(53, 209, 111, 0.4);
}

.card:hover::before {
  opacity: 1;
}

.card__header {
  margin-bottom: var(--space-6);
}

.card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

.card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card__body {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card__footer {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* Tag / pill (for platform, genre, promo badges) */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-4);
  height: 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(11, 14, 22, 0.9);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge--primary {
  border-color: rgba(53, 209, 111, 0.8);
  color: var(--color-primary);
  background: rgba(53, 209, 111, 0.12);
}

.badge--danger {
  border-color: rgba(255, 75, 92, 0.9);
  color: var(--color-danger);
  background: rgba(255, 75, 92, 0.12);
}

.badge--promo {
  border-color: rgba(255, 176, 32, 0.9);
  color: var(--color-warning);
  background: rgba(255, 176, 32, 0.12);
}

/* Overlay/backdrop (for modals, image lightboxes, quick view) */
.backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
}

/* Simple chip-like filter button */
.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  background: rgba(11, 14, 22, 0.86);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition:
    border-color var(--transition-base),
    background-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.filter-pill--active {
  border-color: rgba(53, 209, 111, 0.8);
  background: rgba(53, 209, 111, 0.18);
  color: var(--color-text);
  box-shadow: var(--shadow-xs), var(--shadow-glow-primary);
}

.filter-pill:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(24, 27, 36, 0.96);
  color: var(--color-text);
  transform: translateY(-1px);
}

.filter-pill:focus-visible {
  outline: var(--focus-outline-width) solid var(--focus-outline-color);
  outline-offset: 2px;
}

/* Price text */
.price {
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.price--discounted {
  color: var(--color-primary);
}

.price--old {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

/* Toast / inline status messaging */
.alert {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  background: rgba(11, 14, 22, 0.96);
  border: 1px solid var(--color-border-subtle);
  font-size: var(--font-size-sm);
}

.alert--success {
  border-color: rgba(53, 209, 111, 0.75);
  background: rgba(53, 209, 111, 0.12);
  color: var(--color-success);
}

.alert--warning {
  border-color: rgba(255, 176, 32, 0.8);
  background: rgba(255, 176, 32, 0.12);
  color: var(--color-warning);
}

.alert--danger {
  border-color: rgba(255, 75, 92, 0.85);
  background: rgba(255, 75, 92, 0.12);
  color: var(--color-danger);
}

/* Simple chip for language switch (e.g. PL / EN) */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  background: rgba(11, 14, 22, 0.92);
  padding: 2px;
}

.lang-toggle__option {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  color: var(--color-text-muted);
  transition:
    background-color var(--transition-base),
    color var(--transition-base);
}

.lang-toggle__option--active {
  background: var(--color-primary);
  color: #050608;
}

/* End of base.css */