/* ══════════════════════════════════════════════════
   Nintendo.com (2001) — Design System
   Tokens from DESIGN.md
   ══════════════════════════════════════════════════ */

/* ─── CSS Custom Properties ─── */
:root {
  /* Colors */
  --color-primary: #e60012;
  --color-signal: #f68d1f;
  --color-amber: #ecab37;
  --color-nav-gold: #e48600;
  --color-canvas: #7a8aba;
  --color-canvas-soft: #9fbee7;
  --color-sky: #9fbee7;
  --color-lavender: #acace7;
  --color-ice: #c0d5e6;
  --color-periwinkle: #8ba1d4;
  --color-chrome-indigo: #3d4f97;
  --color-muted-indigo: #60619c;
  --color-platinum: #dedede;
  --color-surface: #ffffff;
  --color-carbon: #21242e;
  --color-hairline: #5a5f8c;
  --color-ink: #21242e;
  --color-ink-soft: #3d4f97;
  --color-on-primary: #ffffff;
  --color-systems-teal: #206479;
  --color-games-red: #a7282b;
  --color-error: #e60012;

  /* Typography */
  --font-sans: Arial, Helvetica, sans-serif;
  --font-pixel: 'VT323', 'Press Start 2P', monospace;

  /* Typography tokens */
  --text-nav-link: 13px;
  --text-ui-label: 11px;
  --text-display: 44px;
  --text-hero-tagline: 15px;
  --text-body: 12px;
  --text-link: 12px;
  --text-micro: 10px;

  /* Spacing */
  --space-xxs: 2px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-xxl: 32px;
  --space-section: 48px;

  /* Border Radius */
  --radius-none: 0px;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-full: 9999px;
}

/* ─── Reset ─── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #4a5a7a;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.4;
  color: var(--color-ink);
  display: flex;
  justify-content: center;
  padding: 16px 0;
}

/* ─── Chrome Container ─── */
.page-chrome {
  width: 800px;
  background: var(--color-canvas);
  border: 2px solid var(--color-chrome-indigo);
  border-radius: var(--radius-md);
  position: relative;
  box-shadow:
    0 0 0 1px var(--color-canvas-soft),
    inset 0 1px 0 rgba(255,255,255,0.15),
    inset 0 -1px 0 var(--color-chrome-indigo);
  overflow: hidden;
}

/* ==================================================
   MASTHEAD
   ================================================== */
.masthead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-chrome-indigo);
  position: relative;
}

.masthead-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.mascot {
  font-size: 28px;
  line-height: 1;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.3));
}

.mascot-pixel {
  display: inline-block;
  font-style: normal;
}

.mascot-bubble {
  background: var(--color-surface);
  color: var(--color-carbon);
  font-size: var(--text-micro);
  font-family: var(--font-sans);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-lg);
  position: relative;
  border: 1px solid var(--color-hairline);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.8),
    0 1px 2px rgba(0,0,0,0.2);
  white-space: nowrap;
}

.mascot-bubble::after {
  content: '';
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right-color: var(--color-surface);
}

.masthead-right {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.search-field {
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-xs);
  padding: var(--space-xs);
  height: 20px;
  width: 160px;
  box-shadow:
    inset 0 1px 2px rgba(0,0,0,0.1);
}

.select-dropdown {
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  border: 1px solid var(--color-carbon);
  border-radius: var(--radius-xs);
  padding: var(--space-xs);
  height: 24px;
  cursor: pointer;
}

/* ==================================================
   NAV BAR
   ================================================== */
.nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 28px;
  background: var(--color-carbon);
  padding: 0 var(--space-sm);
  border-bottom: 1px solid var(--color-chrome-indigo);
  position: relative;
  /* halftone dot texture */
  background-image: radial-gradient(circle at 2px 2px, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 6px 6px;
}

.nav-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo-pill {
  background: var(--color-surface);
  color: var(--color-primary);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: 900;
  letter-spacing: 1px;
  padding: 1px 12px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
  line-height: 1.6;
  white-space: nowrap;
}

.nav-link {
  color: var(--color-nav-gold);
  font-family: var(--font-sans);
  font-size: var(--text-nav-link);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
  text-transform: uppercase;
  padding: 2px 4px;
  transition: color 0.1s;
}

.nav-link:hover {
  color: var(--color-amber);
  text-decoration: underline;
}

.nav-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* ==================================================
   SUBNAV STRIP
   ================================================== */
.subnav-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  background: var(--color-canvas-soft);
  padding: var(--space-xs) var(--space-md);
  border-bottom: 1px solid var(--color-chrome-indigo);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.2);
}

.subnav-link {
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-ui-label);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
  text-transform: uppercase;
}

.subnav-link:hover {
  color: var(--color-ink-soft);
  text-decoration: underline;
}

.subnav-divider {
  color: var(--color-chrome-indigo);
  font-size: 10px;
}

/* ==================================================
   LEFT RAIL
   ================================================== */
.left-rail {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 22px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 1px;
  pointer-events: none;
}

.left-rail-tab {
  width: 22px;
  background: var(--color-carbon);
  color: var(--color-canvas-soft);
  font-family: var(--font-sans);
  font-size: var(--text-ui-label);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  padding: 6px 2px;
  cursor: pointer;
  pointer-events: auto;
  text-align: center;
  border-right: 1px solid var(--color-chrome-indigo);
  line-height: 1;
  white-space: nowrap;
}

.left-rail-tab:hover {
  background: var(--color-ink);
  color: var(--color-surface);
}

/* ==================================================
   HERO PANEL
   ================================================== */
.hero-panel {
  background: var(--color-lavender);
  margin: var(--space-sm) var(--space-md) var(--space-sm) calc(var(--space-md) + 22px);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  min-height: 140px;
  position: relative;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.25),
    inset 0 -1px 0 var(--color-chrome-indigo),
    0 1px 3px rgba(0,0,0,0.2);
  border: 1px solid var(--color-chrome-indigo);
  /* circuit-board pattern overlay */
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
  background-color: var(--color-lavender);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-wordmark {
  font-family: Arial Black, 'Arial Black', var(--font-sans);
  font-size: var(--text-display);
  font-weight: 900;
  line-height: 1;
  color: var(--color-on-primary);
  text-transform: uppercase;
  /* Outline + shadow (box-art style) */
  -webkit-text-stroke: 3px var(--color-carbon);
  text-stroke: 3px var(--color-carbon);
  text-shadow:
    4px 4px 0 var(--color-carbon),
    5px 5px 0 rgba(0,0,0,0.3);
  letter-spacing: -1px;
  margin-bottom: var(--space-sm);
}

.hero-tagline {
  font-family: var(--font-sans);
  font-size: var(--text-hero-tagline);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-on-primary);
  margin-bottom: var(--space-md);
  text-shadow: 1px 1px 0 rgba(0,0,0,0.5);
}

.button-icon-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--color-signal);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.3),
    0 1px 2px rgba(0,0,0,0.3);
  transition: background 0.1s;
}

.button-icon-arrow:hover {
  background: var(--color-nav-gold);
}

/* ==================================================
   BODY SPLIT
   ================================================== */
.body-split {
  display: flex;
  gap: 0;
  margin-left: 22px;
  border-top: 1px solid var(--color-chrome-indigo);
}

/* ─── Content Column ─── */
.content-col {
  flex: 2;
  padding: var(--space-sm) var(--space-md);
  border-right: 1px solid var(--color-chrome-indigo);
  box-shadow:
    inset 1px 0 0 rgba(255,255,255,0.1);
}

/* ─── Right Rail ─── */
.right-rail {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  background: var(--color-canvas);
}

/* ==================================================
   SECTION LABEL BAR
   ================================================== */
.section-label-bar {
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-ui-label);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-chrome-indigo);
  border-bottom: none;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.2);
  margin-top: var(--space-sm);
}

.section-label-bar:first-child {
  margin-top: 0;
}

/* ==================================================
   NEWS LIST
   ================================================== */
.news-list {
  border: 1px solid var(--color-chrome-indigo);
  border-top: none;
  padding: var(--space-xs);
  background: var(--color-canvas);
}

.news-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-platinum);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  margin-bottom: 2px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.6),
    inset 0 -1px 0 var(--color-hairline);
}

.news-row:last-child {
  margin-bottom: 0;
}

.news-cat-icon {
  font-size: 12px;
  flex-shrink: 0;
}

.news-link {
  flex: 1;
  color: var(--color-ink-soft);
  font-family: var(--font-sans);
  font-size: var(--text-link);
  font-weight: 700;
  line-height: 1.4;
  text-decoration: underline;
}

.news-link:hover {
  color: var(--color-primary);
}

.button-arrow-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--color-signal);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 10px;
  line-height: 1;
  flex-shrink: 0;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.3),
    0 1px 2px rgba(0,0,0,0.2);
}

.button-arrow-chip:hover {
  background: var(--color-nav-gold);
}

/* ==================================================
   FEATURED GRID
   ================================================== */
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xs);
  border: 1px solid var(--color-chrome-indigo);
  border-top: none;
  padding: var(--space-xs);
  background: var(--color-canvas);
}

.featured-tile {
  background: var(--color-carbon);
  border-radius: var(--radius-sm);
  padding: var(--space-xxs);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.1),
    inset 0 -1px 0 var(--color-chrome-indigo);
}

.tile-thumb {
  height: 60px;
  border-radius: 2px;
  margin-bottom: 2px;
  border: 1px solid var(--color-chrome-indigo);
}

.tile-caption {
  display: block;
  color: var(--color-on-primary);
  font-family: var(--font-sans);
  font-size: var(--text-micro);
  line-height: 1.3;
  text-align: center;
  padding: 1px 0;
}

/* ==================================================
   POLL PANEL
   ================================================== */
.poll-panel {
  background: var(--color-periwinkle);
  border: 1px solid var(--color-chrome-indigo);
  border-radius: var(--radius-md);
  margin-top: var(--space-sm);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.2),
    0 1px 3px rgba(0,0,0,0.15);
  overflow: hidden;
}

.poll-panel .section-label-bar {
  margin-top: 0;
  border: none;
  border-bottom: 1px solid var(--color-chrome-indigo);
}

.poll-question {
  padding: var(--space-md) var(--space-md) var(--space-xs);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: 700;
  color: var(--color-ink);
}

.poll-options {
  padding: var(--space-xs) var(--space-md);
}

.radio-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
  cursor: pointer;
}

.radio-option input[type="radio"] {
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-hairline);
  background: var(--color-surface);
  cursor: pointer;
  flex-shrink: 0;
}

.radio-option input[type="radio"]:checked {
  background: var(--color-signal);
  border-color: var(--color-signal);
  box-shadow: inset 0 0 0 2px var(--color-surface);
}

.radio-option span {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  color: var(--color-ink);
}

.button-submit {
  display: inline-block;
  background: var(--color-signal);
  color: var(--color-on-primary);
  font-family: var(--font-sans);
  font-size: var(--text-ui-label);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-xs);
  padding: var(--space-xs) var(--space-lg);
  margin: var(--space-xs) var(--space-md) var(--space-md);
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.3),
    0 1px 2px rgba(0,0,0,0.2);
}

.button-submit:hover {
  background: var(--color-nav-gold);
}

/* ==================================================
   RIGHT RAIL — BUTTONS
   ================================================== */
.button-secondary {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-carbon);
  color: var(--color-on-primary);
  font-family: var(--font-sans);
  font-size: var(--text-ui-label);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-none);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  width: 100%;
  text-align: left;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.15),
    0 1px 2px rgba(0,0,0,0.3);
}

.button-secondary:hover {
  background: var(--color-ink);
}

/* ==================================================
   INFO BOX
   ================================================== */
.info-box {
  background: var(--color-surface);
  border: 1px solid var(--color-chrome-indigo);
  border-radius: var(--radius-sm);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.6),
    0 1px 2px rgba(0,0,0,0.15);
  overflow: hidden;
}

.info-box-tab {
  background: var(--color-amber);
  color: var(--color-carbon);
  font-family: var(--font-sans);
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: var(--space-xxs) var(--space-sm);
  border-bottom: 1px solid var(--color-chrome-indigo);
}

.info-box-text {
  padding: var(--space-sm);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.4;
  color: var(--color-ink);
}

/* ==================================================
   PROMO CARD
   ================================================== */
.promo-card {
  background: var(--color-lavender);
  border: 1px solid var(--color-chrome-indigo);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  text-align: center;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.2),
    0 1px 2px rgba(0,0,0,0.15);
}

.promo-wordmark {
  display: block;
  font-family: Arial Black, 'Arial Black', var(--font-sans);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-on-primary);
  text-transform: uppercase;
  -webkit-text-stroke: 1.5px var(--color-carbon);
  text-stroke: 1.5px var(--color-carbon);
  text-shadow: 2px 2px 0 var(--color-carbon);
  margin-bottom: var(--space-xs);
}

.promo-render {
  height: 60px;
  border-radius: 2px;
  border: 1px solid var(--color-chrome-indigo);
}

/* ==================================================
   BUTTONS — Shared
   ================================================== */
.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-amber);
  color: var(--color-carbon);
  font-family: var(--font-sans);
  font-size: var(--text-ui-label);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-xs);
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
  height: 20px;
  line-height: 1;
  white-space: nowrap;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.4),
    0 1px 2px rgba(0,0,0,0.2);
  transition: background 0.1s;
}

.button-primary:hover {
  background: var(--color-nav-gold);
}

/* ==================================================
   FOOTER
   ================================================== */
.footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-carbon);
  color: var(--color-canvas-soft);
  font-family: var(--font-sans);
  font-size: var(--text-micro);
  line-height: 1.3;
  padding: var(--space-sm) var(--space-lg);
  border-top: 1px solid var(--color-chrome-indigo);
  margin-top: 0;
  /* halftone dot texture */
  background-image: radial-gradient(circle at 2px 2px, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 6px 6px;
}

.footer-left {
  flex: 1;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.footer-link {
  color: var(--color-canvas-soft);
  text-decoration: underline;
}

.footer-link:hover {
  color: var(--color-surface);
}

.esrb-badge {
  display: inline-block;
  background: var(--color-amber);
  color: var(--color-carbon);
  font-family: var(--font-sans);
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
}

/* ==================================================
   SCROLLBAR (era-appropriate)
   ================================================== */
::-webkit-scrollbar {
  width: 14px;
  background: var(--color-canvas);
}

::-webkit-scrollbar-track {
  background: var(--color-canvas);
  border: 1px solid var(--color-chrome-indigo);
}

::-webkit-scrollbar-thumb {
  background: var(--color-carbon);
  border: 1px solid var(--color-chrome-indigo);
}

/* ==================================================
   RESPONSIVE — Modern narrow viewport fallback
   ================================================== */
@media (max-width: 820px) {
  .page-chrome {
    width: 100%;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .body-split {
    flex-direction: column;
    margin-left: 0;
  }

  .content-col {
    border-right: none;
    border-bottom: 1px solid var(--color-chrome-indigo);
  }

  .left-rail {
    display: none;
  }

  .masthead {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
  }

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

  .search-field {
    width: 100%;
  }

  .nav-bar-left {
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  .nav-bar {
    height: auto;
    padding: var(--space-xs);
    gap: var(--space-xs);
  }

  .subnav-strip {
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  .hero-wordmark {
    font-size: 28px;
    -webkit-text-stroke: 2px var(--color-carbon);
    text-stroke: 2px var(--color-carbon);
    text-shadow: 2px 2px 0 var(--color-carbon);
  }

  .featured-grid {
    grid-template-columns: 1fr;
  }

  .footer-bar {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }
}