/* ============================================
   CSS Variables & Design Tokens
   ============================================ */
:root {
  /* Colors */
  --bg: #0b0f14;
  --panel: #0f1720;
  --text: #cbd5e1;
  --muted: #7a8699;
  --accent: #34ff7a;
  --accent2: #22d3ee;
  --border: #2b3545;
  --shadow: rgba(0, 0, 0, 0.55);

  /* Accent color variations */
  --accent-rgb: 52, 255, 122;
  --accent2-rgb: 34, 211, 238;
  --accent-glow: rgba(var(--accent-rgb), 0.5);
  --accent-glow-light: rgba(var(--accent-rgb), 0.25);
  --accent-glow-subtle: rgba(var(--accent-rgb), 0.3);
  --accent-shadow: rgba(var(--accent-rgb), 0.18);
  --accent-shadow-hover: rgba(var(--accent-rgb), 0.22);

  /* Text color variations */
  --text-rgb: 203, 213, 225;
  --text-muted: rgba(122, 134, 153, 0.6);
  --text-muted-light: rgba(122, 134, 153, 0.7);
  --text-muted-subtle: rgba(122, 134, 153, 0.5);
  --border-subtle: rgba(var(--text-rgb), 0.18);
  --border-light: rgba(var(--text-rgb), 0.1);
  --border-very-light: rgba(var(--text-rgb), 0.22);

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 32px;

  /* Typography */
  --font-main: "VT323", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-footer: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;

  /* Transitions */
  --transition-fast: 0.12s ease;
  --transition-base: 0.15s ease;

  /* Effects */
  --shadow-panel: 0 20px 60px var(--shadow);
  --shadow-btn: 0 10px 25px var(--accent-shadow);
  --shadow-btn-hover: 0 14px 30px var(--accent-shadow-hover);
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-main);
  line-height: 1.65;
  letter-spacing: 0.2px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Visual Effects (Scanlines & Grain)
   ============================================ */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.04) 0,
    rgba(255, 255, 255, 0.04) 1px,
    transparent 2px,
    transparent 4px
  );
  mix-blend-mode: overlay;
  opacity: 0.18;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: radial-gradient(
    rgba(255, 255, 255, 0.06) 1px,
    transparent 1px
  );
  background-size: 3px 3px;
  opacity: 0.06;
}

/* ============================================
   Layout Components
   ============================================ */
.wrap {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  position: relative;
  z-index: 0;
}

.panel {
  width: min(860px, 100%);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    var(--panel);
  border: 3px solid var(--border);
  border-radius: 0;
  box-shadow: var(--shadow-panel);
  padding: 26px 22px 18px;
  position: relative;
  contain: layout style paint;

  /* Pixel-style corners */
  clip-path: polygon(
    0 10px,
    10px 10px,
    10px 0,
    calc(100% - 10px) 0,
    calc(100% - 10px) 10px,
    100% 10px,
    100% calc(100% - 10px),
    calc(100% - 10px) calc(100% - 10px),
    calc(100% - 10px) 100%,
    10px 100%,
    10px calc(100% - 10px),
    0 calc(100% - 10px)
  );
}

.topline {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px dashed var(--border-subtle);
}

.topline-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ============================================
   Typography
   ============================================ */
h1 {
  margin: 0 0 var(--spacing-lg) 0;
  font-size: 42px;
  line-height: 1.6;
  color: var(--accent);
  text-shadow: 0 0 18px var(--accent-glow-light);
}

p {
  margin: 0;
  font-size: 26px;
  color: var(--text);
}

p + p {
  margin-top: 2px;
}

.muted {
  color: var(--muted);
}

/* ============================================
   Badge & Status Components
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 28px;
}

.badge .muted {
  font-size: 18px;
}

.dot {
  width: 14px;
  height: 14px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  border-radius: 0;
}

/* ============================================
   Language Switcher
   ============================================ */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 22px;
  color: var(--muted);
}

.lang-switcher button {
  background: transparent;
  border: none;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  padding: 0;
  transition: color var(--transition-base);
}

.lang-switcher button:hover {
  color: var(--text);
}

.lang-switcher button.active {
  color: var(--accent);
  text-shadow: 0 0 8px var(--accent-glow-subtle);
}

.lang-switcher .separator {
  color: var(--border);
  user-select: none;
}

/* ============================================
   Actions & Buttons
   ============================================ */
.actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
  margin-top: var(--spacing-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  color: #06110a;
  background: var(--accent);
  border: 3px solid rgba(0, 0, 0, 0.35);
  border-radius: 0;
  padding: 10px 16px;
  font-size: 22px;
  font-family: inherit;
  box-shadow: var(--shadow-btn);
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast), filter var(--transition-fast);
  image-rendering: pixelated;
  cursor: pointer;
  user-select: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-btn-hover);
  filter: brightness(1.05);
}

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

.btn:focus-visible {
  outline: 2px solid var(--accent2);
  outline-offset: 2px;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-very-light);
  box-shadow: none;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  pointer-events: none;
}

.btn:disabled:hover {
  transform: none;
  filter: none;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  padding-bottom: 0;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 24px;
  color: var(--text-muted);
  text-align: center;
}

.footer address {
  margin: 0;
  font-style: normal;
}

.footer a {
  color: var(--text-muted-light);
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.footer a:hover {
  opacity: 0.9;
  text-decoration: underline;
}

.footer a:focus-visible {
  outline: 1px solid var(--text-muted);
  outline-offset: 2px;
}

.copyright {
  font-family: var(--font-footer);
  font-size: 12px;
  font-weight: 300;
  color: var(--text-muted-subtle);
  letter-spacing: 0.3px;
  margin-top: var(--spacing-xs);
  padding-bottom: 2px;
}

/* ============================================
   Cursor Animation
   ============================================ */
.cursor {
  display: inline-block;
  width: 14px;
  height: 20px;
  background: var(--accent2);
  vertical-align: -2px;
  margin-left: var(--spacing-sm);
  animation: blink 1s steps(2, end) infinite;
  will-change: opacity;
}

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 520px) {
  .panel {
    padding: 22px var(--spacing-lg);
  }

  h1 {
    font-size: 28px;
  }

  p {
    font-size: 22px;
  }

  .btn {
    font-size: 18px;
    padding: 8px 14px;
  }

  .badge {
    font-size: 22px;
  }

  .lang-switcher,
  .lang-switcher button,
  .lang-switcher button.active {
    font-size: 18px;
  }

  .footer {
    font-size: 20px;
  }
}

/* ============================================
   Accessibility & User Preferences
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .cursor {
    animation: none;
    opacity: 1;
  }
}

@media (prefers-color-scheme: light) {
  /* Optional: Add light mode support if needed */
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  body::before,
  body::after {
    display: none;
  }

  .panel {
    box-shadow: none;
    border: 1px solid #000;
  }
}