/* ==========================================================================
   SUPABANGBANG ARCADE HUB - ENERGETIC ACTION ARCADE THEME
   ========================================================================== */

:root {
  --font-arcade: 'Press Start 2P', monospace, sans-serif;
  --font-ui: 'Rajdhani', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --action-orange: #ff5500;
  --action-fire: #ff3d00;
  --action-crimson: #ff1744;
  --action-lime: #00e676;
  --action-amber: #ffd600;
  --action-gold: #ffab00;
  --bg-dark: #08090d;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  min-height: 100%;
  background-color: var(--bg-dark);
  font-family: var(--font-ui);
  color: #f4f4f5;
  overflow-x: hidden;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100dvh;
  padding: 12px;
}

/* Background Ambient Glows - Fiery Action Palette */
.ambient-glow {
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
}

.ambient-glow.orange {
  background: var(--action-fire);
}

.ambient-glow.lime {
  background: var(--action-lime);
}

/* Main Hub Container */
.arcade-hub {
  position: relative;
  width: 100%;
  max-width: 1080px;
  min-height: calc(100dvh - 24px);
  margin: auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px 24px;
  background: radial-gradient(circle at 50% 10%, #20130e 0%, #120e16 45%, #08090d 100%);
  border-radius: 16px;
  border: 1px solid rgba(255, 85, 0, 0.35);
  box-shadow: 
    0 0 60px rgba(0, 0, 0, 0.95),
    0 0 35px rgba(255, 60, 0, 0.15),
    inset 0 0 45px rgba(0, 0, 0, 0.75);
  overflow: hidden;
  z-index: 1;
}

/* Subtle CRT Scanlines with Warm Action Tone */
.hub-scanlines {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    rgba(25, 14, 10, 0) 50%, 
    rgba(0, 0, 0, 0.35) 50%
  );
  background-size: 100% 4px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.55;
}

/* Header Area */
.hub-header {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-bottom: 12px;
}

.hub-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.hub-system-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 85, 0, 0.1);
  border: 1px solid rgba(255, 85, 0, 0.45);
  padding: 5px 12px;
  border-radius: 20px;
  font-family: var(--font-arcade);
  font-size: 0.68rem;
  letter-spacing: 1px;
  color: var(--action-gold);
}

.hub-system-pill .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--action-crimson);
  box-shadow: 0 0 8px var(--action-crimson);
  animation: hub-pulse 1.6s infinite ease-in-out;
  flex-shrink: 0;
}

@keyframes hub-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.8); }
}

.hub-audio-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 85, 0, 0.3);
  color: #f4f4f5;
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
}

.hub-audio-btn:hover {
  background: rgba(255, 85, 0, 0.15);
  border-color: var(--action-orange);
  box-shadow: 0 0 10px rgba(255, 85, 0, 0.4);
  transform: translateY(-1px);
}

.hub-title-group {
  margin-top: 4px;
}

.hub-main-title {
  font-family: var(--font-arcade);
  font-size: clamp(1.8rem, 4.5vw, 3.4rem);
  font-weight: 900;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  text-shadow: 0 0 25px rgba(255, 85, 0, 0.55), 0 0 50px rgba(255, 23, 68, 0.35);
}

.hub-main-title span {
  display: inline-block;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hub-main-title span:hover {
  transform: translateY(-4px) scale(1.1);
}

.hub-subtitle {
  font-family: var(--font-arcade);
  font-size: clamp(0.72rem, 1.8vw, 0.95rem);
  color: var(--action-gold);
  letter-spacing: 2px;
  margin-top: 6px;
  text-transform: uppercase;
}

/* Mode Selection Cards Container */
.hub-modes-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding: 8px 0;
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

/* Mode Card Generic */
.hub-mode-card {
  position: relative;
  text-decoration: none;
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  overflow: hidden;
}

.hub-mode-card:hover {
  transform: translateY(-5px);
}

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

.hub-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.hub-card-edition {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hub-card-icon {
  font-size: 1.3rem;
}

.hub-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin: 0;
}

.hub-card-badge {
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.65rem;
  letter-spacing: 1px;
  font-weight: 700;
  text-transform: uppercase;
}

.hub-card-subtitle {
  font-size: 0.85rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.hub-card-desc {
  font-size: 0.9rem;
  line-height: 1.45;
  margin: 10px 0 12px;
}

.hub-card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.hub-card-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}

.hub-card-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hub-launch-btn {
  display: block;
  text-align: center;
  padding: 12px 18px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  user-select: none;
}

.hub-hotkey-hint {
  font-size: 0.72rem;
  text-align: center;
  letter-spacing: 0.5px;
}

.hub-hotkey-hint kbd {
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.7rem;
}

/* ==========================================================================
   CARD 1: 1ST EDITION (RAW / MINIMALIST / PURE RETRO)
   ========================================================================== */
.hub-mode-card.card-v1 {
  background: #ffffff;
  border: 2px solid #cbd5e1;
  color: #0f172a;
}

.hub-mode-card.card-v1:hover {
  border-color: #64748b;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}

.hub-mode-card.card-v1 .hub-card-title {
  color: #0f172a;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.hub-mode-card.card-v1 .hub-card-badge {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
  font-family: monospace;
}

.hub-mode-card.card-v1 .hub-card-subtitle {
  color: #64748b;
}

.hub-mode-card.card-v1 .hub-card-desc {
  color: #334155;
}

.hub-mode-card.card-v1 .hub-card-features li {
  color: #475569;
}

.hub-mode-card.card-v1 .hub-card-features strong {
  color: #0f172a;
}

.hub-mode-card.card-v1 .hub-launch-btn {
  background: #0f172a;
  color: #ffffff;
  border: 1px solid #0f172a;
}

.hub-mode-card.card-v1:hover .hub-launch-btn {
  background: #1e293b;
  border-color: #1e293b;
}

.hub-mode-card.card-v1 .hub-hotkey-hint {
  color: #64748b;
}

.hub-mode-card.card-v1 .hub-hotkey-hint kbd {
  background: #e2e8f0;
  color: #0f172a;
  border: 1px solid #cbd5e1;
}

/* V1 Mini Canvas Preview (Authentic 1990 Pang) */
.preview-v1 {
  height: 90px;
  background: #000;
  border: 2px solid #00ffff;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 6px 10px;
}

.v1-preview-scene {
  position: relative;
  width: 100%;
  height: 100%;
}

.v1-score-tag {
  position: absolute;
  top: 2px;
  left: 2px;
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  color: #00ffff;
  font-weight: 700;
}

.v1-preview-ball {
  position: absolute;
  top: 22px;
  left: 45%;
  width: 22px;
  height: 22px;
  background: #ff007f;
  border-radius: 50%;
  animation: v1-bounce 2s infinite ease-in-out;
}

@keyframes v1-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(32px); }
}

.v1-preview-player {
  position: absolute;
  bottom: 0;
  left: calc(50% - 24px);
  width: 48px;
  height: 12px;
  background: #00ffff;
}

.v1-preview-harpoon {
  position: absolute;
  bottom: 12px;
  left: 50%;
  width: 2px;
  height: 38px;
  background: #ffffff;
  animation: v1-harpoon-rise 2s infinite ease-out;
}

@keyframes v1-harpoon-rise {
  0% { height: 0; opacity: 1; }
  60% { height: 42px; opacity: 1; }
  80% { opacity: 0; }
  100% { height: 0; opacity: 0; }
}

/* ==========================================================================
   CARD 2: MODERN VERSION (V2 - ACTION ARCADE THEME)
   ========================================================================== */
.hub-mode-card.card-v2 {
  background: radial-gradient(circle at 50% 15%, #221415 0%, #140e16 65%, #0b0a10 100%);
  border: 2px solid rgba(255, 85, 0, 0.5);
  box-shadow: 0 10px 32px rgba(255, 60, 0, 0.16);
}

.hub-mode-card.card-v2:hover {
  border-color: var(--action-orange);
  box-shadow: 0 16px 45px rgba(255, 85, 0, 0.35);
}

.hub-mode-card.card-v2 .hub-card-title {
  color: #ffffff;
  font-family: var(--font-arcade);
  font-size: 1.15rem;
  text-shadow: 0 0 12px rgba(255, 85, 0, 0.7);
}

.hub-mode-card.card-v2 .hub-card-badge {
  background: rgba(255, 85, 0, 0.16);
  color: var(--action-gold);
  border: 1px solid rgba(255, 85, 0, 0.5);
  font-family: var(--font-arcade);
  font-size: 0.6rem;
}

.hub-mode-card.card-v2 .hub-card-subtitle {
  color: var(--action-gold);
}

.hub-mode-card.card-v2 .hub-card-desc {
  color: #e4e4e7;
}

.hub-mode-card.card-v2 .hub-card-features li {
  color: #a1a1aa;
}

.hub-mode-card.card-v2 .hub-card-features strong {
  color: #ffffff;
}

.hub-mode-card.card-v2 .hub-launch-btn {
  background: linear-gradient(135deg, #ff1744 0%, #ff5500 50%, #ff9100 100%);
  color: #ffffff;
  font-family: var(--font-arcade);
  font-size: 0.85rem;
  letter-spacing: 1px;
  box-shadow: 0 0 20px rgba(255, 85, 0, 0.55);
}

.hub-mode-card.card-v2:hover .hub-launch-btn {
  background: linear-gradient(135deg, #ff3d00 0%, #ff6d00 50%, #ffd600 100%);
  box-shadow: 0 0 30px rgba(255, 85, 0, 0.85);
  transform: translateY(-1px);
}

.hub-mode-card.card-v2 .hub-hotkey-hint {
  color: #a1a1aa;
}

.hub-mode-card.card-v2 .hub-hotkey-hint kbd {
  background: rgba(255, 85, 0, 0.15);
  color: var(--action-amber);
  border: 1px solid rgba(255, 85, 0, 0.4);
}

/* V2 Mini Arcade Preview - Action Style */
.preview-v2 {
  height: 90px;
  background: radial-gradient(circle at 50% 30%, #29171b 0%, #0e0a12 100%);
  border: 2px solid rgba(255, 85, 0, 0.6);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 18px rgba(255, 85, 0, 0.25);
  padding: 6px 10px;
}

.v2-preview-scene {
  position: relative;
  width: 100%;
  height: 100%;
}

.v2-marquee-tag {
  position: absolute;
  top: 2px;
  left: 2px;
  font-family: var(--font-arcade);
  font-size: 0.55rem;
  color: var(--action-amber);
  letter-spacing: 1px;
  text-shadow: 0 0 8px rgba(255, 214, 0, 0.7);
}

.v2-preview-scanlines {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0.4) 50%);
  background-size: 100% 3px;
  pointer-events: none;
}

/* Red Bouncing Ball */
.v2-preview-ball.large {
  position: absolute;
  top: 18px;
  left: 28%;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ff5252 0%, #ff1744 60%, #880e4f 100%);
  box-shadow: 0 0 14px rgba(255, 23, 68, 0.85);
  animation: v2-bounce-1 2.2s infinite ease-in-out;
}

/* Lime Bouncing Ball */
.v2-preview-ball.small {
  position: absolute;
  top: 24px;
  right: 28%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #69f0ae 0%, #00e676 60%, #00701a 100%);
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.85);
  animation: v2-bounce-2 1.8s infinite ease-in-out;
}

@keyframes v2-bounce-1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(30px); }
}

@keyframes v2-bounce-2 {
  0%, 100% { transform: translateY(28px); }
  50% { transform: translateY(0); }
}

/* Polished Buster Bros Avatar in Preview */
.v2-preview-player {
  position: absolute;
  bottom: 0;
  left: calc(50% - 20px);
  width: 40px;
  height: 18px;
  background: linear-gradient(180deg, #ff1e27 0%, #b91c1c 100%);
  border-radius: 4px 4px 2px 2px;
  border-top: 3px solid #ff7700;
  box-shadow: 0 0 12px rgba(255, 85, 0, 0.7);
}

.v2-preview-laser {
  position: absolute;
  bottom: 18px;
  left: 50%;
  width: 3px;
  height: 42px;
  background: linear-gradient(180deg, #ffffff 0%, #ffd600 50%, #ff5500 100%);
  box-shadow: 0 0 10px #ff5500;
  animation: v2-laser-burst 2.2s infinite ease-out;
}

@keyframes v2-laser-burst {
  0% { height: 0; opacity: 1; }
  50% { height: 46px; opacity: 1; }
  75% { opacity: 0; }
  100% { height: 0; opacity: 0; }
}

/* Footer Area */
.hub-footer {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  font-size: 0.8rem;
  color: #71717a;
  border-top: 1px solid rgba(255, 85, 0, 0.18);
  margin-top: 8px;
}

.hub-footer-shortcuts kbd {
  background: rgba(255, 85, 0, 0.15);
  color: var(--action-amber);
  padding: 1px 5px;
  border-radius: 3px;
}

.hub-footer-links a {
  color: #a1a1aa;
  text-decoration: none;
  transition: color 0.2s;
}

.hub-footer-links a:hover {
  color: var(--action-orange);
}

/* ==========================================================================
   MOBILE & TABLET RESPONSIVENESS (COMPACT VIEWPORT COMPLIANCE)
   ========================================================================== */

@media (max-width: 820px) {
  body {
    padding: 6px;
  }

  .arcade-hub {
    padding: 14px 14px;
    min-height: calc(100dvh - 12px);
    border-radius: 12px;
  }

  .hub-modes-container {
    gap: 12px;
  }

  .hub-mode-card {
    padding: 14px;
  }

  .hub-card-title {
    font-size: 1.1rem;
  }

  .hub-mode-card.card-v2 .hub-card-title {
    font-size: 0.95rem;
  }

  .preview-v1, .preview-v2 {
    height: 72px;
  }

  .hub-card-desc {
    font-size: 0.82rem;
    line-height: 1.35;
    margin: 6px 0 8px;
  }

  .hub-card-features {
    gap: 4px;
    margin-bottom: 10px;
  }

  .hub-card-features li {
    font-size: 0.74rem;
  }

  .hub-launch-btn {
    padding: 10px 14px;
    font-size: 0.85rem;
  }

  .hub-hotkey-hint {
    display: none;
  }
}

/* Mobile Portrait: Keep cards tightly stacked so both options are visible without scrolling */
@media (max-width: 640px) {
  .arcade-hub {
    padding: 10px 10px;
  }

  .hub-top-bar {
    margin-bottom: 4px;
  }

  .hub-system-pill {
    font-size: 0.6rem;
    padding: 4px 8px;
  }

  .hub-audio-btn {
    font-size: 0.75rem;
    padding: 4px 8px;
  }

  .hub-main-title {
    font-size: 1.45rem;
    letter-spacing: 2px;
  }

  .hub-subtitle {
    font-size: 0.65rem;
    letter-spacing: 1px;
    margin-top: 3px;
  }

  .hub-modes-container {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 4px 0;
  }

  .hub-mode-card {
    padding: 10px 12px;
    border-radius: 10px;
  }

  .hub-card-header {
    margin-bottom: 2px;
  }

  .hub-card-icon {
    font-size: 1.1rem;
  }

  .hub-card-title {
    font-size: 0.95rem;
  }

  .hub-card-badge {
    font-size: 0.58rem;
    padding: 2px 6px;
  }

  .hub-card-subtitle {
    font-size: 0.75rem;
    margin-bottom: 6px;
  }

  .preview-v1, .preview-v2 {
    height: 52px;
    padding: 4px 8px;
  }

  .hub-card-desc {
    display: none; /* Hide verbose description on small mobile to ensure both fit */
  }

  .hub-card-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px 6px;
    margin: 6px 0 8px;
  }

  .hub-card-features li {
    font-size: 0.68rem;
    gap: 4px;
  }

  .hub-launch-btn {
    padding: 8px 12px;
    font-size: 0.78rem;
    border-radius: 6px;
  }

  .hub-footer {
    padding-top: 8px;
    margin-top: 4px;
    font-size: 0.7rem;
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }
}

/* Mobile Landscape: Keep 2 columns side-by-side cleanly */
@media (max-height: 500px) and (orientation: landscape) {
  body {
    padding: 4px;
  }

  .arcade-hub {
    padding: 8px 14px;
    min-height: calc(100dvh - 8px);
  }

  .hub-top-bar {
    margin-bottom: 2px;
  }

  .hub-main-title {
    font-size: 1.3rem;
  }

  .hub-subtitle {
    font-size: 0.6rem;
    margin-top: 2px;
  }

  .hub-modes-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 2px 0;
  }

  .hub-mode-card {
    padding: 8px 12px;
  }

  .preview-v1, .preview-v2 {
    height: 48px;
  }

  .hub-card-desc {
    display: none;
  }

  .hub-card-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 6px;
    margin: 4px 0 6px;
  }

  .hub-card-features li {
    font-size: 0.66rem;
  }

  .hub-launch-btn {
    padding: 6px 10px;
    font-size: 0.72rem;
  }

  .hub-hotkey-hint {
    display: none;
  }

  .hub-footer {
    display: none;
  }
}