@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&display=swap');

:root {
  --bg-color: #0d1117;
  --panel-bg: rgba(22, 27, 34, 0.7);
  --border-color: #30363d;
  --accent-color: #4af626;
  --accent-glow: rgba(74, 246, 38, 0.25);
  --bg-glow-color: rgba(74, 246, 38, 0.05);
  --text-primary: #c9d1d9;
  --text-muted: #8b949e;
  --gold-glow: rgba(255, 215, 0, 0.4);
  --steam-blue: #1b2838;
  --steam-cyan: #66c0f4;
}

/* Theme Classes Overrides on Body */
body.theme-ubuntu {
  --bg-color: #300a24;
  --panel-bg: rgba(48, 10, 36, 0.7);
  --border-color: rgba(233, 84, 32, 0.35);
  --accent-color: #e95420;
  --accent-glow: rgba(233, 84, 32, 0.25);
  --bg-glow-color: rgba(233, 84, 32, 0.04);
  --text-primary: #dfdbd2;
  --text-muted: #aea79f;
}



body.theme-dracula {
  --bg-color: #282a36;
  --panel-bg: rgba(40, 42, 54, 0.7);
  --border-color: rgba(189, 147, 249, 0.35);
  --accent-color: #ff79c6;
  --accent-glow: rgba(255, 121, 198, 0.25);
  --bg-glow-color: rgba(189, 147, 249, 0.04);
  --text-primary: #f8f8f2;
  --text-muted: #6272a4;
}

body.theme-tokyo-night {
  --bg-color: #1a1b26;
  --panel-bg: rgba(22, 22, 30, 0.7);
  --border-color: rgba(122, 162, 247, 0.35);
  --accent-color: #7aa2f7;
  --accent-glow: rgba(122, 162, 247, 0.25);
  --bg-glow-color: rgba(122, 162, 247, 0.04);
  --text-primary: #a9b1d6;
  --text-muted: #565f89;
}



* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'JetBrains Mono', monospace;
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-x: hidden;
  position: relative;
}

/* Background grid effect */
body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(74, 246, 38, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
}

/* App container */
.app-container {
  width: 90%;
  max-width: 1200px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px 0 35px 0;
  flex-grow: 1;
}

header {
  padding: 14px 0;
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  width: 100%;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  z-index: 10;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.logo-section h1 {
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 1px;
}

.terminal-prompt {
  color: var(--accent-color);
  margin-right: 6px;
  font-weight: bold;
  text-shadow: 0 0 5px var(--accent-glow);
}

.logo-section .glow-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--accent-color);
  border-radius: 50%;
  margin-left: 8px;
  box-shadow: 0 0 8px var(--accent-color);
  animation: pulse 2s infinite;
  vertical-align: middle;
}

.status-section {
  display: flex;
  align-items: center;
  gap: 15px;
}

#level-progress {
  background-color: rgba(74, 246, 38, 0.1);
  color: var(--accent-color);
  border: 1px solid rgba(74, 246, 38, 0.3);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  color: #f85149;
  border-color: #f85149;
  background-color: rgba(248, 81, 73, 0.05);
}

/* Terminal panel */
.terminal-window {
  flex-grow: 1;
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.window-header {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid var(--border-color);
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

.window-title {
  margin-left: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-grow: 1;
  text-align: center;
}

.main-layout {
  display: flex;
  flex-direction: row;
  gap: 20px;
  width: 100%;
  flex-grow: 1;
  height: 590px;
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .status-section {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    width: 100%;
  }

  .main-layout {
    flex-direction: column;
    height: auto;
    gap: 15px;
  }

  .terminal-window {
    height: 420px;
  }

  .terminal-body-wrapper {
    padding: 12px 60px 5px 12px;
  }
  .terminal-body {
    padding: 0;
  }

  .sidebar-layout {
    width: 100%;
  }

  .app-container {
    padding: 10px 10px 25px 10px;
  }
}


.terminal-body-wrapper {
  flex-grow: 1;
  flex-shrink: 1;
  min-width: 0;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-color);
  padding: 15px 30px 5px 15px;
}


.terminal-body {
  padding: 0;
  height: 100%;
  min-height: 260px;
}

/* Subtle CRT Screen Glare & Scanline Overlay */
.crt-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(74, 246, 38, 0.03), rgba(74, 246, 38, 0.01), rgba(74, 246, 38, 0.03));
  background-size: 100% 4px, 6px 100%;
  opacity: 0.06;
  pointer-events: none;
  z-index: 5;
}

/* Sidebar Layout Container */
.sidebar-layout {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 260px;
}

/* Sidebar panel card */
.sidebar-panel {
  width: 100%;
  height: fit-content;
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}


.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-section h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 6px;
  margin-bottom: 4px;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
}

.stat-label {
  color: var(--text-muted);
}

.stat-value {
  color: var(--text-primary);
  font-weight: 500;
}

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

.pulse-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--accent-color);
  border-radius: 50%;
  margin-right: 6px;
  box-shadow: 0 0 8px var(--accent-color);
  animation: pulse 2s infinite;
  vertical-align: middle;
}

/* Stat bar charts */
.stat-bar-container {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
}

.bar-bg {
  width: 100%;
  height: 6px;
  background-color: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background-color: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-color);
  border-radius: 3px;
  transition: width 0.4s ease;
}

/* xterm override and custom scrollbar */
.xterm {
  padding: 5px;
}
.xterm-viewport::-webkit-scrollbar {
  width: 8px;
}
.xterm-viewport::-webkit-scrollbar-track {
  background: transparent;
}
.xterm-viewport::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
.xterm-viewport::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Gift screen layout */
#gift-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 450px;
}

.decrypting {
  font-size: 1.2rem;
  color: var(--accent-color);
  text-shadow: 0 0 10px var(--accent-glow);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

/* Vault / Loot Box */
.vault-box {
  width: 160px;
  height: 160px;
  background: linear-gradient(135deg, #21262d 0%, #161b22 100%);
  border: 3px solid var(--border-color);
  border-radius: 0;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.8), 0 0 20px var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
  animation: idle-float 3s ease-in-out infinite;
}

.vault-box:hover {
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8), 0 0 30px var(--accent-color);
  border-color: var(--accent-color);
}

.gift-logo-wrapper {
  position: relative;
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rotating-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px dashed var(--accent-color);
  background: rgba(0, 0, 0, 0.2);
  animation: rotateRing 15s linear infinite;
  box-shadow: inset 0 0 12px var(--accent-glow), 0 0 15px var(--accent-glow);
  pointer-events: none;
}

.gift-logo {
  width: 44px;
  height: 44px;
  color: var(--accent-color);
  filter: drop-shadow(0 0 8px var(--accent-color));
  z-index: 2;
  transition: transform 0.3s ease;
}

.vault-box:hover .gift-logo {
  transform: scale(1.15);
}

@keyframes rotateRing {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Opening shake / crack animation */
.vault-box.opening {
  animation: shake-open 1s cubic-bezier(.36,.07,.19,.97) both;
}

/* Steam Gift Card Styling */
.steam-gift-card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(135deg, #1b2838 0%, #0f1622 100%);
  border: 2px solid var(--accent-color);
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.9), 0 0 25px var(--accent-glow);
  padding: 30px;
  text-align: center;
  transform: scale(0.8);
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.steam-gift-card.reveal {
  transform: scale(1);
  opacity: 1;
}

.steam-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  color: var(--accent-color);
}

.gift-title {
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 10px;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.gift-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  line-height: 1.4;
}

/* Sleek Claim Button */
.btn-claim {
  display: inline-block;
  background: linear-gradient(90deg, #5c7e10 0%, #759c12 100%);
  color: #fff;
  border: none;
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 14px 40px;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(117, 156, 18, 0.4);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-claim::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.2), transparent);
  transform: rotate(45deg);
  transition: all 0.5s;
  animation: shine-button 3s infinite linear;
}

.btn-claim:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(117, 156, 18, 0.8);
  background: linear-gradient(90deg, #6c9413 0%, #87b415 100%);
}

.btn-claim:active {
  transform: translateY(1px);
}

/* Animations */
@keyframes pulse {
  0% { transform: scale(1); box-shadow: 0 0 8px var(--accent-color); }
  50% { transform: scale(1.15); box-shadow: 0 0 18px var(--accent-color); }
  100% { transform: scale(1); box-shadow: 0 0 8px var(--accent-color); }
}

@keyframes idle-float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

@keyframes shake-open {
  10%, 90% { transform: translate3d(-2px, 0, 0); }
  20%, 80% { transform: translate3d(4px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-6px, 0, 0); }
  40%, 60% { transform: translate3d(6px, 0, 0); }
}

@keyframes shine-button {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Utility */
.hidden {
  display: none !important;
}

footer {
  margin-top: auto;
  padding: 20px 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}
footer a {
  color: var(--accent-color);
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}

/* Fixed background particle canvas */
#network-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
}

/* Keyboard shortcuts legend bar */
.terminal-footer-shortcuts {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.15);
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-muted);
  gap: 10px;
  flex-wrap: wrap;
}

.terminal-footer-shortcuts span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.terminal-footer-shortcuts kbd {
  background-color: var(--border-color);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-family: inherit;
  box-shadow: 0 1px 0 rgba(0,0,0,0.6);
}

/* Stage Progress List */
.stage-progress-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 5px;
}

.stage-item {
  display: flex;
  gap: 8px;
  font-size: 0.8rem;
}

.stage-item.completed {
  color: var(--text-muted);
}

.stage-item.completed .stage-text {
  text-decoration: line-through;
}

.stage-item.active {
  color: #fff;
  font-weight: bold;
}

.stage-item.locked {
  color: var(--text-muted);
}

/* Achievements List */
.achievements-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 5px;
}

.achievement-item {
  display: flex;
  gap: 8px;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.achievement-item.locked {
  color: var(--text-muted);
}

.achievement-item.unlocked {
  color: var(--accent-color);
}

.achievement-item.unlocked .ach-checkbox {
  color: var(--accent-color);
  text-shadow: 0 0 8px var(--accent-color);
}

/* Animated background glow spots */
.bg-glow-1 {
  position: fixed;
  top: 15%;
  left: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--bg-glow-color) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  animation: floatGlow1 35s infinite alternate ease-in-out;
}

.bg-glow-2 {
  position: fixed;
  bottom: 10%;
  right: 5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--bg-glow-color) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  animation: floatGlow2 40s infinite alternate ease-in-out;
}

@keyframes floatGlow1 {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(150px, 80px) scale(1.3);
  }
}

@keyframes floatGlow2 {
  0% {
    transform: translate(0, 0) scale(1.3);
  }
  100% {
    transform: translate(-120px, -90px) scale(0.95);
  }
}

/* Theme Dropdown Switcher */
.theme-select-container {
  position: relative;
  display: inline-block;
  vertical-align: middle;
}

.theme-select {
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 30px 6px 12px;
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  transition: all 0.2s ease;
}

.theme-select:hover {
  border-color: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-glow);
}

.theme-select-container::after {
  content: "▼";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 0.6rem;
}

/* Make select dropdown options display correctly in dark themes */
.theme-select option {
  background-color: var(--bg-color);
  color: var(--text-primary);
}

/* Retro-cyber perspective grid */
.cyber-grid {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 38vh;
  background-image: 
    linear-gradient(to right, var(--border-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
  background-size: 45px 45px;
  background-position: center bottom;
  transform: perspective(250px) rotateX(75deg);
  transform-origin: center bottom;
  opacity: 0.12;
  pointer-events: none;
  z-index: -2;
  animation: gridScroll 20s linear infinite;
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 20%, rgba(0, 0, 0, 0) 100%);
  -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 20%, rgba(0, 0, 0, 0) 100%);
}

@keyframes gridScroll {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 0 450px;
  }
}

.btn-back-link {
  background: transparent;
  color: var(--text-muted);
  border: none;
  font-family: inherit;
  font-size: 0.8rem;
  margin-top: 15px;
  cursor: pointer;
  text-decoration: underline;
  transition: color 0.2s ease;
  display: inline-block;
}

.btn-back-link:hover {
  color: var(--accent-color);
}

.btn-view-gift {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel-bg);
  color: var(--accent-color);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: bold;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-view-gift:hover {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
  background: var(--accent-glow);
  color: #fff;
  transform: translateY(-1px);
}

/* Image Viewer Modal styling */
#image-viewer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}

.image-viewer-window {
  width: 90%;
  max-width: 600px;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 45px rgba(0,0,0,0.8);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.image-viewer-body {
  padding: 15px;
  background-color: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  max-height: 70vh;
  overflow: auto;
}

#image-viewer-content {
  max-width: 100%;
  max-height: 60vh;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

#close-image-viewer {
  cursor: pointer;
}

/* Hide xterm.js scrollbar track to ensure clean symmetric borders */
.xterm .xterm-viewport {
  overflow-y: hidden !important;
}

/* Artworks Bento Grid Layout */
.artworks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 240px 40px 240px;
  gap: 15px;
  width: 100%;
  margin-bottom: 25px;
}

.artwork-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 0;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
  width: 100%;
  box-sizing: border-box;
  height: 100%;
  overflow: hidden;
}

/* Bento Grid Spanning Setup */
.artwork-card:nth-child(1) {
  grid-column: span 2;
  grid-row: 1;
}

.artwork-card:nth-child(2) {
  grid-column: 3;
  grid-row: 1 / 4;
}

.bonus-header {
  grid-column: span 2;
  grid-row: 2;
  display: flex;
  align-items: center;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: bold;
  color: var(--accent-color);
  text-shadow: 0 0 5px var(--accent-glow);
  letter-spacing: 0.5px;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 5px;
}

.artwork-card:nth-child(4) {
  grid-column: 1;
  grid-row: 3;
}

.artwork-card:nth-child(5) {
  grid-column: 2;
  grid-row: 3;
}

.artwork-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color);
  box-shadow: 0 0 15px var(--accent-glow);
}

.artwork-preview {
  width: 100%;
  flex-grow: 1;
  min-height: 0;
  border-radius: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.artwork-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.btn-download-card {
  width: 100%;
  padding: 10px 16px !important;
  font-size: 0.95rem !important;
  font-weight: bold;
  margin-top: 0 !important;
  border-radius: 0 !important;
  flex-shrink: 0;
}

/* Make gift card container wider to fit Bento nicely */
#gift-container .steam-gift-card {
  max-width: 800px;
}

/* Responsive Bento to stacked single column on mobile */
@media (max-width: 768px) {
  .artworks-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    grid-auto-rows: auto;
    gap: 15px;
  }
  
  .bonus-header {
    grid-column: span 1;
    grid-row: auto;
    margin-top: 10px;
    padding-top: 10px;
  }

  .artwork-card:nth-child(1),
  .artwork-card:nth-child(2),
  .artwork-card:nth-child(4),
  .artwork-card:nth-child(5) {
    grid-column: span 1;
    grid-row: auto;
    height: auto;
  }

  .artwork-preview {
    aspect-ratio: 16/9;
    height: auto;
  }

  #gift-container .steam-gift-card {
    max-width: 95%;
  }
}

/* Premium Intro Modal Popup Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.gift-modal {
  position: relative;
  background: rgba(10, 10, 15, 0.96);
  border: 2px solid var(--accent-color);
  box-shadow: 0 0 35px var(--accent-glow);
  border-radius: 16px;
  width: 90%;
  max-width: 480px;
  padding: 30px;
  text-align: justify;
  transform: scale(0.9);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.show .gift-modal {
  transform: scale(1);
}

.gift-modal-content p {
  font-size: 0.95rem;
  line-height: 1.62;
  color: var(--text-primary);
  margin: 0;
}

.modal-footer {
  margin-top: 25px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  animation: pulseDismiss 2s infinite;
}

@keyframes pulseDismiss {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Mobile overrides for sidebar width and alignment */
@media (max-width: 768px) {
  .sidebar-layout {
    width: 100% !important;
  }
  .sidebar-panel {
    width: 100% !important;
    max-width: 100% !important;
  }
}

/* Gift Page Body Styling and Scroll Support */
.gift-page-body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  overflow-y: auto;
  background-color: #000;
}

@media (max-width: 768px) {
  .gift-page-body {
    justify-content: flex-start;
    align-items: center;
    padding: 30px 0;
    height: auto;
    overflow-y: auto;
  }
}