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

:root {
  /* Color Palette - Dark Noita-inspired */
  --color-background: #050608;
  --color-surface: #0c0f13;
  --color-surface-alt: #151922;

  --color-text: #f5f3ff;
  --color-text-soft: #c0bdd4;
  --color-text-muted: #7a7890;

  --color-primary: #45ff8c;         /* Toxic green */
  --color-primary-soft: rgba(69, 255, 140, 0.14);

  --color-accent-orange: #ff7a2f;   /* Fiery orange */
  --color-accent-purple: #a855ff;   /* Electric purple */
  --color-accent-blue: #4da3ff;     /* Muted electric blue */

  --color-success: #3dd68c;
  --color-warning: #ffb347;
  --color-danger: #ff4b81;

  --color-gray-50: #f9fafb;
  --color-gray-100: #e5e7eb;
  --color-gray-200: #d1d5db;
  --color-gray-300: #9ca3af;
  --color-gray-400: #6b7280;
  --color-gray-500: #4b5563;
  --color-gray-600: #374151;
  --color-gray-700: #1f2933;
  --color-gray-800: #111827;
  --color-gray-900: #020309;

  /* Typography - Atmospheric editorial gaming mag */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --font-display: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px */
  --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: 1.1;
  --line-height-snug: 1.3;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing scale (px equivalent when used with rem if desired) */
  --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 */

  /* Radii */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* Shadows - moody, soft, atmospheric */
  --shadow-soft: 0 14px 30px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 20px 45px rgba(0, 0, 0, 0.7);
  --shadow-strong: 0 0 40px rgba(69, 255, 140, 0.25);

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

  /* Layout */
  --container-max-width: 1120px;
  --container-padding-x: var(--space-4);
}

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

/* ========================================================================== 
   Reset / Normalize
   ========================================================================== */

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

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

body {
  margin: 0;
}

main {
  display: block;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

picture {
  display: block;
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
}

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

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

/* Remove default link underlines; we will restyle later */
a {
  text-decoration: none;
  color: inherit;
}

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

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 20% 0%, rgba(168, 85, 255, 0.22), transparent 55%),
              radial-gradient(circle at 80% 100%, rgba(69, 255, 140, 0.12), transparent 55%),
              radial-gradient(circle at 10% 80%, rgba(77, 163, 255, 0.16), transparent 45%);
  mix-blend-mode: screen;
  opacity: 0.7;
  z-index: -1;
}

::selection {
  background-color: rgba(69, 255, 140, 0.25);
  color: var(--color-text);
}

/* Headings - editorial, French gaming mag style */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  margin-top: var(--space-10);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 2.4vw, 1.875rem);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.25rem;
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

h5 {
  font-size: 1.125rem;
  margin-top: var(--space-3);
  margin-bottom: var(--space-1);
}

h6 {
  font-size: 1rem;
  margin-top: var(--space-3);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

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

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

/* Links - subtle neon glow, for French editorial feel */

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

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1em;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-purple));
  transform-origin: left;
  transform: scaleX(0.3);
  opacity: 0.5;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

a:hover {
  color: #ffffff;
  text-shadow: 0 0 12px rgba(69, 255, 140, 0.6);
}

a:hover::after {
  transform: scaleX(1);
  opacity: 1;
}

a:active {
  text-shadow: 0 0 18px rgba(168, 85, 255, 0.7);
}

/* Lists */

ul,
ol {
  padding-left: 1.25rem;
  margin-bottom: var(--space-4);
}

/* Code / inline tech snippets for physics & spells */

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

code {
  font-size: 0.95em;
  background-color: rgba(21, 25, 34, 0.9);
  padding: 0 0.25em;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(69, 255, 140, 0.24);
}

pre {
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  overflow-x: auto;
  background: radial-gradient(circle at 0 0, rgba(255, 122, 47, 0.18), transparent 55%),
              rgba(5, 6, 8, 0.95);
  border-radius: var(--radius-md);
  border: 1px solid rgba(168, 85, 255, 0.45);
  box-shadow: var(--shadow-soft);
}

pre code {
  background: transparent;
  border: none;
  padding: 0;
}

/* Blockquotes - for player experience / citations (FR) */

blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-5);
  border-left: 2px solid var(--color-accent-purple);
  background: linear-gradient(90deg, rgba(10, 12, 18, 0.9), rgba(10, 12, 18, 0.2));
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-soft);
  font-style: italic;
}

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

hr {
  border: 0;
  border-top: 1px solid rgba(101, 111, 140, 0.45);
  margin: var(--space-8) 0;
}

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

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

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

@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 helpers */

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

.section {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.section--tight {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

/* Flex */

.flex {
  display: flex;
}

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

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

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

.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;
}

.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 */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

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

/* Text alignment */

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

/* Visibility - 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;
}

/* Simple spacing utilities (margin-bottom) for editorial stacks */

.stack-xs > * + * { margin-top: var(--space-1); }
.stack-sm > * + * { margin-top: var(--space-2); }
.stack-md > * + * { margin-top: var(--space-3); }
.stack-lg > * + * { margin-top: var(--space-4); }
.stack-xl > * + * { margin-top: var(--space-6); }

/* Glitch / pixel-art subtle helpers (non-animated base) */

.pixelated {
  image-rendering: pixelated;
}

.glitch-border {
  position: relative;
}

.glitch-border::before,
.glitch-border::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(69, 255, 140, 0.4);
  mix-blend-mode: screen;
  pointer-events: none;
}

.glitch-border::before {
  transform: translate(1px, 0);
  opacity: 0.6;
  border-color: rgba(168, 85, 255, 0.55);
}

.glitch-border::after {
  transform: translate(-1px, 0);
  opacity: 0.4;
  border-color: rgba(77, 163, 255, 0.4);
}

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

/* Buttons - toxic arcane neon */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.3rem;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  border-radius: var(--radius-full);
  border: 1px solid rgba(69, 255, 140, 0.65);
  color: #050608;
  background: radial-gradient(circle at 0 0, rgba(255, 122, 47, 0.4), transparent 60%),
              linear-gradient(135deg, #45ff8c, #a855ff);
  box-shadow: 0 0 18px rgba(69, 255, 140, 0.55);
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-base),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px dashed rgba(5, 6, 8, 0.5);
  mix-blend-mode: soft-light;
  opacity: 0.6;
  pointer-events: none;
}

.btn:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 0 26px rgba(168, 85, 255, 0.7);
}

.btn:active {
  transform: translateY(0) scale(0.99);
  box-shadow: 0 0 14px rgba(69, 255, 140, 0.6);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(69, 255, 140, 0.5);
  box-shadow: none;
}

.btn--ghost:hover {
  background: rgba(10, 15, 20, 0.9);
  box-shadow: var(--shadow-soft);
}

.btn--danger {
  background: linear-gradient(135deg, #ff4b81, #ff7a2f);
  border-color: rgba(255, 122, 47, 0.7);
}

/* Inputs - consistent for dark UI overlays */

.input,
textarea,
select {
  width: 100%;
  padding: 0.6rem 0.9rem;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background-color: rgba(15, 19, 25, 0.95);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(101, 111, 140, 0.8);
  outline: none;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-fast);
}

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

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

.input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(69, 255, 140, 0.5), 0 18px 40px rgba(0, 0, 0, 0.85);
  background-color: rgba(10, 15, 20, 1);
}

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

label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

/* Card - for each article section (gameplay, magie, etc.) */

.card {
  position: relative;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(69, 255, 140, 0.08), rgba(168, 85, 255, 0.05)),
    radial-gradient(circle at 0 0, rgba(255, 122, 47, 0.12), transparent 55%),
    rgba(12, 15, 19, 0.96);
  border: 1px solid rgba(58, 68, 97, 0.9);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(69, 255, 140, 0.04) 0,
    rgba(69, 255, 140, 0.04) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.5;
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.card__header {
  position: relative;
  margin-bottom: var(--space-3);
}

.card__title {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-snug);
}

.card__meta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

.card__body {
  position: relative;
}

/* Minimal particle-ish accent for headers (non-animated base) */

.particle-accent {
  position: relative;
}

.particle-accent::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: radial-gradient(circle, #45ff8c, rgba(69, 255, 140, 0));
  box-shadow:
    0 0 10px rgba(69, 255, 140, 0.8),
    0 0 22px rgba(168, 85, 255, 0.55);
  transform: translateY(-50%);
}

/* Tag / pill - difficulty, genre, etc. */

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(101, 111, 140, 0.8);
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: rgba(8, 10, 16, 0.95);
}

.pill--danger {
  border-color: rgba(255, 75, 129, 0.9);
  color: #ffc1d2;
}

.pill--warning {
  border-color: rgba(255, 179, 71, 0.9);
  color: #ffe2b3;
}

.pill--success {
  border-color: rgba(61, 214, 140, 0.9);
  color: #d6ffe8;
}

/* Basic badge for system labels like "Physique", "Magie", etc. */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  background: rgba(69, 255, 140, 0.16);
  color: var(--color-primary);
}

.badge--outline {
  background: transparent;
  border: 1px solid rgba(69, 255, 140, 0.7);
}

/* Footer base */

.site-footer {
  border-top: 1px solid rgba(58, 68, 97, 0.9);
  padding: var(--space-6) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  background: radial-gradient(circle at 50% 0, rgba(168, 85, 255, 0.16), transparent 55%),
              rgba(4, 5, 8, 0.98);
}

.site-footer a {
  color: var(--color-accent-blue);
}

.site-footer a:hover {
  color: #ffffff;
}

/* Simple header nav base */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.97), rgba(5, 6, 8, 0.88));
  border-bottom: 1px solid rgba(58, 68, 97, 0.9);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.5rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav a {
  position: relative;
  color: var(--color-text-muted);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-orange));
  transition: width var(--transition-base);
}

.nav a:hover {
  color: var(--color-text);
}

.nav a:hover::after {
  width: 100%;
}

.nav a[aria-current="page"] {
  color: var(--color-primary);
}

.nav a[aria-current="page"]::after {
  width: 100%;
}