@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,700&display=swap');

/* Reset & General Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  user-select: none;
  -webkit-user-select: none;
}

body, button, input, select, textarea, h1, h2, h3, h4, h5, h6, p, span, div, strong, small {
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: #1a1512;
  color: #f5f0e8;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  touch-action: manipulation;
}

#game-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #0d0705;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
  overflow: hidden;
}

/* Top HUD */
#hud-top {
  height: 48px;
  background: linear-gradient(180deg, #381810 0%, #1c0c08 100%);
  border-bottom: 2px solid #c8963e;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: relative;
  z-index: 75;
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.6);
  flex-shrink: 0;
}

/* 1. Left: Stylized Ném Còn Graphic Logo (Bấm vào logo để trở về Trang Chủ) */
.hud-logo-wrap {
  position: relative;
  width: 220px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  z-index: 45;
}

.hud-logo-link {
  position: relative;
  display: block;
  width: 220px;
  height: 60px;
  text-decoration: none;
  cursor: pointer;
  outline: none;
}

.hud-game-logo {
  position: absolute;
  top: 1px;
  left: -2px;
  height: 74px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.75)) drop-shadow(0 0 12px rgba(255, 215, 0, 0.35));
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.2s ease;
  cursor: pointer;
  user-select: none;
}

.hud-logo-link:hover .hud-game-logo,
.hud-game-logo:hover {
  transform: scale(1.05) rotate(-1deg);
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.85)) drop-shadow(0 0 18px rgba(255, 215, 0, 0.7));
}

.hud-logo-link:active .hud-game-logo,
.hud-game-logo:active {
  transform: scale(0.97);
}

/* 2. Center: Prominent Centered Score Displays */
.hud-center-score-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  z-index: 35;
}

.hud-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.single-score-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-card {
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid #735029;
  border-radius: 6px;
  padding: 2px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 62px;
}

.score-card-main {
  background: linear-gradient(180deg, rgba(45, 20, 14, 0.95) 0%, rgba(20, 9, 6, 0.95) 100%);
  border: 1.5px solid #ffd700;
  box-shadow: 0 0 14px rgba(255, 215, 0, 0.35);
  padding: 2px 16px;
}

.score-card-main .hud-num {
  font-size: 22px;
  font-weight: 900;
  color: #ffd700;
}

.hud-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #d1b48c;
}

.hud-num {
  font-size: 20px;
  font-weight: 800;
  color: #ffd700;
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
}

#streak-card .hud-num {
  color: #ff6b4a;
}

/* 3. Right: Minimalist Audio & Unified Menu */
.hud-right-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 45;
  flex-shrink: 0;
}

.btn-audio-mini {
  background: #3b1810;
  border: 1.5px solid #8e6223;
  border-radius: 8px;
  width: 36px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-audio-mini:hover {
  background: #5d2519;
  border-color: #ffd700;
  transform: translateY(-1px);
}

.menu-dropdown-container {
  position: relative;
}

.btn-menu-toggle {
  background: linear-gradient(180deg, #592518 0%, #35140c 100%);
  border: 1.5px solid #ffd700;
  border-radius: 8px;
  color: #ffde59;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), 0 0 10px rgba(255, 215, 0, 0.25);
  transition: all 0.15s ease;
}

.btn-menu-toggle:hover {
  background: linear-gradient(180deg, #743221 0%, #441a10 100%);
  border-color: #fff;
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 215, 0, 0.45);
  transform: translateY(-1px);
}

/* Dropdown Menu Panel */
.hud-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 305px;
  background: radial-gradient(circle at 50% 0%, #2f150c 0%, #150805 100%);
  border: 2px solid #ffd700;
  border-radius: 14px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.85), 0 0 24px rgba(255, 215, 0, 0.35);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 100;
  animation: menuDropFade 0.18s ease-out;
  backdrop-filter: blur(6px);
}

.hud-menu-dropdown.hidden {
  display: none !important;
}

@keyframes menuDropFade {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.menu-sec-title {
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1px;
  color: #fef08a;
  opacity: 0.85;
}

.menu-mode-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.menu-btn-item {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: 8px;
  color: #ffeedd;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  width: 100%;
  text-align: left;
}

.menu-btn-item:hover {
  background: rgba(255, 215, 0, 0.18);
  border-color: #ffd700;
  color: #fff;
  transform: translateX(2px);
}

.menu-btn-item.active {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.4) 0%, rgba(217, 119, 6, 0.2) 100%);
  border-color: #ffd700;
  color: #fef08a;
  box-shadow: inset 0 0 10px rgba(245, 158, 11, 0.3);
}

.menu-diff-pills {
  display: flex;
  gap: 4px;
  margin: 6px 0 2px 0;
  gap: 6px;
}

.diff-pill {
  flex: 1;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid #555;
  border-radius: 6px;
  color: #bbb;
  font-size: 10.5px;
  font-weight: 700;
  padding: 4px 2px;
  cursor: pointer;
  transition: all 0.12s ease;
  text-align: center;
}

.diff-pill:hover {
  border-color: #ffd700;
  color: #fff;
}

.diff-pill.active {
  background: #0284c7;
  border-color: #38bdf8;
  color: #fff;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.5);
}

.diff-pill.active[data-diff="hard"] {
  background: #dc2626;
  border-color: #f87171;
  box-shadow: 0 0 8px rgba(248, 113, 113, 0.5);
}

.diff-pill.active[data-diff="easy"] {
  background: #16a34a;
  border-color: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
}

.menu-hr {
  height: 1px;
  background: rgba(255, 215, 0, 0.2);
  margin: 2px 0;
}

.menu-opt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.menu-opt-btn {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 7px;
  color: #ffeedd;
  padding: 7px 8px;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.menu-opt-btn:hover {
  background: rgba(255, 215, 0, 0.15);
  border-color: #ffd700;
  color: #fff;
}

.menu-reset-btn {
  background: rgba(185, 28, 28, 0.25);
  border: 1px solid #ef4444;
  border-radius: 8px;
  color: #fca5a5;
  padding: 8px;
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  width: 100%;
}

.menu-reset-btn:hover {
  background: rgba(220, 38, 38, 0.5);
  color: #fff;
}

/* Tool Buttons */
.btn-tool {
  background: #472118;
  border: 1px solid #c8963e;
  border-radius: 6px;
  color: #fff;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-tool:hover {
  background: #6a2f21;
  border-color: #ffd700;
  transform: translateY(-1px);
}

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

/* Canvas Area */
#canvas-wrapper {
  position: relative;
  flex: 1;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  touch-action: none !important;
}

#canvas-wrapper.grabbing {
  cursor: grabbing;
}

#gameCanvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  image-rendering: auto;
  touch-action: none !important;
}

/* Power Meter Overlay */
#power-container {
  position: absolute;
  top: 16px;
  left: 20px;
  width: 220px;
  background: rgba(26, 15, 10, 0.85);
  border: 2px solid #c8963e;
  border-radius: 8px;
  padding: 10px 14px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
  pointer-events: none;
  z-index: 5;
  transition: opacity 0.3s;
}

.power-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  color: #f7d794;
  margin-bottom: 6px;
}

.power-track {
  width: 100%;
  height: 14px;
  background: #111;
  border-radius: 7px;
  overflow: hidden;
  border: 1px solid #4a3319;
  position: relative;
}

#power-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #2ecc71 0%, #f1c40f 50%, #e74c3c 100%);
  border-radius: 7px;
  transition: width 0.05s linear;
}

.power-hint {
  font-size: 11px;
  color: #bdc3c7;
  text-align: center;
  margin-top: 6px;
  font-style: italic;
}

/* Floating Announcement Banner */
#announcement-banner {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.5);
  opacity: 0;
  pointer-events: none;
  text-align: center;
  background: radial-gradient(circle, rgba(160, 20, 20, 0.95) 0%, rgba(60, 10, 10, 0.95) 100%);
  border: 3px solid #ffd700;
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.8), 0 10px 25px rgba(0, 0, 0, 0.7);
  border-radius: 12px;
  padding: 20px 40px;
  z-index: 20;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

#announcement-banner.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

#announce-title {
  font-size: 28px;
  font-weight: 900;
  color: #ffd700;
  letter-spacing: 2px;
  text-shadow: 0 2px 6px #000;
}

#announce-score {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-top: 5px;
}

/* Bottom HUD */
#hud-bottom {
  height: 48px;
  background: linear-gradient(180deg, #200e0a 0%, #150906 100%);
  border-top: 2px solid #8e6223;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 10;
  font-size: 13px;
}

.tip-box {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tip-badge {
  color: #ffde59;
  font-weight: 700;
}

.tip-text {
  color: #e0d0b8;
}

.footer-stats {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #d1b48c;
}

.footer-stats strong {
  color: #fff;
}

.btn-small {
  background: #381a13;
  border: 1px solid #7a4f22;
  color: #f0e6d2;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 11px;
  cursor: pointer;
}

.btn-small:hover {
  background: #55271d;
  color: #fff;
}

/* Modal Window */
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}

.modal-overlay.hidden {
  display: none;
}

.btn-culture {
  background: linear-gradient(180deg, #6c351f 0%, #462013 100%);
  border-color: #ffd700;
  color: #ffde59;
}

.btn-culture:hover {
  background: linear-gradient(180deg, #8a4327 0%, #5d2b1a 100%);
  border-color: #fff;
  color: #fff;
}

/* Modal Window */
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}

.modal-overlay.hidden {
  display: none;
}

.modal-box {
  background: #2b130e;
  border: 3px solid #c8963e;
  border-radius: 12px;
  width: 90%;
  max-width: 680px;
  max-height: 88vh;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.9);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modal-appear 0.25s ease-out;
}

@keyframes modal-appear {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  background: #38160f;
  border-bottom: 2px solid #8e6223;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-tabs {
  display: flex;
  gap: 8px;
}

.modal-tab {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid #735029;
  color: #d1b48c;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-tab:hover {
  background: rgba(100, 45, 25, 0.6);
  color: #fff;
}

.modal-tab.active {
  background: linear-gradient(180deg, #7c3922 0%, #4a2013 100%);
  border-color: #ffd700;
  color: #ffde59;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.modal-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}

.modal-close:hover {
  color: #ffd700;
}

.modal-body {
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: #f5f0e8;
  font-size: 14px;
  line-height: 1.5;
  overflow-y: auto;
  max-height: calc(88vh - 130px);
}

/* Custom Scrollbar */
.modal-body::-webkit-scrollbar {
  width: 6px;
}
.modal-body::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
}
.modal-body::-webkit-scrollbar-thumb {
  background: #735029;
  border-radius: 3px;
}
.modal-body::-webkit-scrollbar-thumb:hover {
  background: #c8963e;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: fadeIn 0.22s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Culture Magazine Specific Styling */
.modal-box.modal-culture-box {
  max-width: 1040px;
  width: 95%;
  max-height: 92vh;
}

.culture-magazine-pane {
  padding: 18px 24px 24px 24px;
  gap: 16px;
  background: radial-gradient(circle at 50% 0%, rgba(85, 36, 22, 0.4) 0%, rgba(25, 10, 7, 0.95) 100%);
}

/* Magazine Masthead */
.culture-masthead {
  border-bottom: 2px solid #8e6223;
  padding-bottom: 12px;
  text-align: center;
}

.culture-badge-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.culture-tag {
  background: rgba(218, 165, 32, 0.15);
  border: 1px solid #ffd700;
  color: #ffd700;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 2px 10px;
  border-radius: 20px;
  text-transform: uppercase;
}

.culture-read-time {
  font-size: 11.5px;
  color: #d1b48c;
}

.culture-main-title {
  font-size: 20px;
  font-weight: 800;
  color: #fff2c6;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
  letter-spacing: 0.5px;
  margin: 4px 0 6px 0;
  line-height: 1.3;
}

.culture-subtitle {
  font-size: 13px;
  color: #e5cdb5;
  font-style: italic;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.45;
}

/* Chapter Navigation Bar */
.culture-chapter-nav {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 6px 2px;
  scrollbar-width: none;
  flex-shrink: 0;
}

.culture-chapter-nav::-webkit-scrollbar {
  display: none;
}

.chapter-nav-btn {
  flex: 1;
  min-width: 135px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(43, 19, 14, 0.95);
  border: 1.5px solid #735029;
  border-radius: 8px;
  padding: 8px 12px;
  color: #eedcc6;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.chapter-nav-btn .chap-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid #8e6223;
  border-radius: 50%;
  font-size: 11.5px;
  color: #ffd700;
  font-weight: 800;
  flex-shrink: 0;
}

.chapter-nav-btn .chap-title {
  color: inherit;
  font-size: 13px;
  font-weight: 700;
}

.chapter-nav-btn:hover {
  background: rgba(90, 38, 26, 0.95);
  border-color: #ffd700;
  color: #fff;
  transform: translateY(-1px);
}

.chapter-nav-btn.active {
  background: linear-gradient(135deg, #8a341e 0%, #541e10 100%);
  border-color: #ffd700;
  color: #fff;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 215, 0, 0.4);
}

.chapter-nav-btn.active .chap-num {
  background: #ffd700;
  color: #3b160b;
  border-color: #ffd700;
}

.chapter-nav-btn.active .chap-title {
  color: #ffd700;
}

/* Culture Page Panels */
.culture-page {
  display: none;
  flex-direction: column;
  gap: 14px;
  animation: pageFadeIn 0.25s ease-out;
}

.culture-page.active {
  display: flex;
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-header-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-bottom: 1px dashed rgba(200, 150, 62, 0.4);
  padding-bottom: 8px;
}

.page-indicator {
  font-size: 11px;
  text-transform: uppercase;
  color: #ffd700;
  font-weight: 700;
  letter-spacing: 0.8px;
}

.page-title {
  font-size: 16.5px;
  color: #ffde59;
  font-weight: 700;
  letter-spacing: 0.3px;
}

/* Editorial Typography */
.article-lead {
  font-size: 13.5px;
  line-height: 1.6;
  color: #faebd7;
}

.dropcap {
  float: left;
  font-size: 38px;
  line-height: 32px;
  padding-top: 4px;
  padding-right: 8px;
  padding-bottom: 2px;
  color: #ffd700;
  font-weight: 800;
  font-family: 'Times New Roman', Georgia, serif;
}

.culture-callout-box {
  display: flex;
  gap: 14px;
  background: linear-gradient(135deg, rgba(82, 34, 22, 0.85) 0%, rgba(35, 14, 9, 0.95) 100%);
  border: 1px solid #c8963e;
  border-left: 5px solid #ff7b25;
  border-radius: 8px;
  padding: 14px 16px;
  align-items: flex-start;
}

.callout-icon {
  font-size: 32px;
  flex-shrink: 0;
  line-height: 1;
}

.callout-content h4 {
  font-size: 14px;
  color: #ffd700;
  margin-bottom: 6px;
  font-weight: 700;
}

.callout-content p {
  font-size: 12.5px;
  color: #eedcc6;
  line-height: 1.55;
}

.article-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.article-feature-card {
  background: rgba(43, 19, 14, 0.85);
  border: 1px solid #6b3e1f;
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.feature-badge {
  font-size: 11px;
  font-weight: 700;
  color: #ffd700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-feature-card h4 {
  font-size: 13.5px;
  color: #fff;
  font-weight: 700;
}

.article-feature-card p {
  font-size: 12px;
  color: #dfd4c4;
  line-height: 1.5;
}

.article-pullquote {
  margin: 4px 0;
  background: rgba(0, 0, 0, 0.45);
  border-left: 4px solid #ffd700;
  border-radius: 0 8px 8px 0;
  padding: 10px 16px;
  text-align: center;
}

.article-pullquote p {
  font-size: 13px;
  color: #ffde59;
  font-style: italic;
  line-height: 1.5;
}

.article-pullquote cite {
  display: block;
  font-size: 11.5px;
  color: #c9b097;
  margin-top: 4px;
  font-style: normal;
}

/* Chapter 2: Craft Grid */
.craft-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.craft-item {
  background: rgba(43, 19, 14, 0.85);
  border: 1px solid #6b3e1f;
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.craft-item:hover {
  border-color: #ffd700;
  transform: translateY(-2px);
  background: rgba(60, 27, 20, 0.95);
}

.craft-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.craft-num {
  font-size: 16px;
  font-weight: 800;
  color: #ffd700;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid #8e6223;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.craft-header h4 {
  font-size: 13.5px;
  color: #ffde59;
  font-weight: 700;
  line-height: 1.3;
}

.craft-sub {
  font-size: 11px;
  color: #c9b097;
  display: block;
  margin-top: 2px;
}

.craft-item p {
  font-size: 12px;
  color: #dfd4c4;
  line-height: 1.5;
}

/* Chapter 3: Ritual Timeline */
.ritual-timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ritual-step {
  background: rgba(43, 19, 14, 0.85);
  border: 1px solid #6b3e1f;
  border-left: 4px solid #ffd700;
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.step-badge {
  font-size: 11px;
  font-weight: 700;
  color: #ffd700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ritual-step h4 {
  font-size: 14px;
  color: #fff;
  font-weight: 700;
}

.ritual-step p {
  font-size: 12.5px;
  color: #eedcc6;
  line-height: 1.5;
}

.culture-quote-box {
  background: rgba(0, 0, 0, 0.4);
  border-left: 3px solid #ff7b25;
  border-radius: 6px;
  padding: 10px 14px;
  text-align: center;
  font-size: 12.5px;
  color: #ffde59;
}

/* Chapter 4: Responsive YouTube Embedded Video Grid */
.video-embed-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.video-embed-card {
  background: rgba(30, 12, 8, 0.95);
  border: 1.5px solid #6b3e1f;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.video-embed-card:hover {
  border-color: #ffd700;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.8);
}

.video-embed-player {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  background: #000;
  overflow: hidden;
}

.video-embed-player iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-embed-meta {
  padding: 12px 14px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.video-meta-badge {
  font-size: 10.5px;
  font-weight: 800;
  color: #ffd700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.video-embed-meta h4 {
  font-size: 13.5px;
  color: #fff;
  font-weight: 700;
  line-height: 1.35;
}

.video-embed-meta p {
  font-size: 12px;
  color: #dfd4c4;
  line-height: 1.5;
  flex: 1;
}

.btn-yt-direct {
  align-self: flex-start;
  margin-top: 4px;
  background: rgba(220, 20, 60, 0.15);
  border: 1px solid #ff4444;
  color: #ff8888;
  text-decoration: none;
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.btn-yt-direct:hover {
  background: #ff0000;
  color: #fff;
  border-color: #ffd700;
}

/* Quick search banner on YouTube */
.culture-yt-banner {
  background: linear-gradient(135deg, rgba(80, 20, 20, 0.8) 0%, rgba(30, 10, 10, 0.9) 100%);
  border: 1px solid #c83e3e;
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.yt-banner-text strong {
  display: block;
  font-size: 12.5px;
  color: #fff;
  margin-bottom: 2px;
}

.yt-banner-text p {
  font-size: 11.5px;
  color: #dfd4c4;
}

.btn-yt-hub {
  background: #ff0000;
  border: 1px solid #ffd700;
  color: #fff;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 6px;
  white-space: nowrap;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.btn-yt-hub:hover {
  background: #e60000;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 0, 0, 0.4);
}

/* Pagination Footer */
.culture-pagination-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #5a3518;
  padding-top: 10px;
  margin-top: 4px;
}

.btn-page-nav {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid #735029;
  color: #ffd700;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-page-nav:hover:not(:disabled) {
  background: #7a341e;
  border-color: #ffd700;
  color: #fff;
}

.btn-page-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.page-dots-indicator {
  display: flex;
  gap: 8px;
}

.page-dots-indicator .dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid #735029;
  color: #c9b097;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-dots-indicator .dot.active {
  background: #ffd700;
  color: #3b160b;
  border-color: #ffd700;
  transform: scale(1.1);
}

.page-dots-indicator .dot:hover:not(.active) {
  border-color: #ffd700;
  color: #fff;
}

.guide-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.guide-icon {
  font-size: 24px;
  background: #421b14;
  border: 1px solid #8e6223;
  border-radius: 8px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.guide-desc h4 {
  color: #ffde59;
  font-size: 15px;
  margin-bottom: 3px;
}

.guide-desc p {
  color: #dcd3c5;
  font-size: 13px;
}

.modal-footer {
  background: #1e0d0a;
  padding: 12px 20px;
  display: flex;
  justify-content: flex-end;
  border-top: 1px solid #5a3518;
}

.btn-primary {
  background: linear-gradient(180deg, #e67e22 0%, #d35400 100%);
  border: 1px solid #ffd700;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 8px 20px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: linear-gradient(180deg, #f39c12 0%, #e67e22 100%);
  transform: translateY(-1px);
}

/* ==========================================
   MODE SWITCHER & GRIP SELECTOR BUTTONS
   ========================================== */
.btn-mode {
  background: linear-gradient(180deg, #5c2c16 0%, #36170b 100%);
  border-color: #ffd700;
  color: #ffeaa7;
}

.btn-mode:hover {
  background: linear-gradient(180deg, #7a3a1d 0%, #4a200f 100%);
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
}

.btn-grip {
  background: linear-gradient(180deg, #3d2b1f 0%, #24160d 100%);
  border-color: #d1a054;
  color: #f5f0e8;
}

.btn-grip:hover {
  background: linear-gradient(180deg, #593f2d 0%, #362215 100%);
  border-color: #ffd700;
}

.btn-webcam:hover {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.45), rgba(14, 165, 233, 0.45)) !important;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.6);
  transform: translateY(-1px);
}

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

/* ==========================================
   CLEAN & ELEGANT START MODAL (CHỌN CHẾ ĐỘ)
   ========================================== */
.modal-start-box {
  max-width: 940px;
  width: 92%;
  background: #1c0d0a;
  border: 2px solid #ffd700;
  border-radius: 16px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.9), 0 0 30px rgba(255, 215, 0, 0.25);
  overflow: hidden;
  animation: modalScaleIn 0.25s ease-out;
}

@keyframes modalScaleIn {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.start-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 22px 26px 16px;
  background: linear-gradient(180deg, #2a130e 0%, #1c0d0a 100%);
  border-bottom: 1px solid rgba(255, 215, 0, 0.22);
}

.start-title-wrap {
  text-align: left;
}

.start-fest-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  color: #ffde59;
  letter-spacing: 1.5px;
  margin-bottom: 4px;
}

.start-main-title {
  font-size: 24px;
  font-weight: 900;
  color: #fff;
  letter-spacing: 1px;
  margin: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.start-sub-desc {
  font-size: 13px;
  color: #d8c7b5;
  margin-top: 4px;
  margin-bottom: 0;
}

.start-modal-body {
  padding: 24px 26px;
}

.start-modes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.start-mode-card {
  background: linear-gradient(180deg, #2a140e 0%, #1c0c08 100%);
  border: 2px solid #5d341d;
  border-radius: 14px;
  padding: 26px 16px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.start-mode-card:hover {
  border-color: #ffd700;
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 215, 0, 0.25);
}

.start-mode-card.active {
  border-color: #ffd700;
  background: linear-gradient(180deg, #3d1b12 0%, #250d09 100%);
  box-shadow: 0 0 25px rgba(255, 215, 0, 0.35), inset 0 0 15px rgba(255, 215, 0, 0.1);
}

.start-card-badge {
  position: absolute;
  top: -11px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.8px;
  padding: 3px 12px;
  border-radius: 999px;
  border: 1px solid #34d399;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.start-badge-bot {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  border-color: #38bdf8;
  color: #f0f9ff;
}

.start-badge-vs {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border-color: #fde047;
}

.start-card-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #441b12;
  border: 2px solid #c8963e;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 4px 0 10px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.start-mode-card:hover .start-card-icon,
.start-mode-card.active .start-card-icon {
  transform: scale(1.08);
  border-color: #ffd700;
  background: #592418;
  box-shadow: 0 0 14px rgba(255, 215, 0, 0.4);
}

.start-icon-bot {
  background: #082f49;
  border-color: #38bdf8;
}

.start-icon-vs {
  background: #3e1f0a;
  border-color: #f59e0b;
}

.start-mode-card h3 {
  font-size: 16.5px;
  font-weight: 800;
  color: #ffd700;
  margin-bottom: 6px;
}

.start-card-desc {
  font-size: 12.5px;
  color: #e2d2c1;
  line-height: 1.45;
  margin-bottom: 16px;
  flex: 1;
}

.btn-start-choice {
  width: 100%;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 800;
  border-radius: 8px;
  border: 1px solid #ffd700;
  background: linear-gradient(180deg, #e67e22 0%, #d35400 100%);
  color: #fff;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-start-choice:hover {
  background: linear-gradient(180deg, #f39c12 0%, #e67e22 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(230, 126, 34, 0.5);
}

.btn-choice-bot {
  background: linear-gradient(180deg, #0284c7 0%, #0369a1 100%);
  border-color: #38bdf8;
}

.btn-choice-bot:hover {
  background: linear-gradient(180deg, #0ea5e9 0%, #0284c7 100%);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.5);
}

.btn-choice-vs {
  background: linear-gradient(180deg, #f59e0b 0%, #b45309 100%);
  border-color: #fef08a;
}

.btn-choice-vs:hover {
  background: linear-gradient(180deg, #fbbf24 0%, #d97706 100%);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.5);
}

.start-modal-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 26px;
  background: #140806;
  border-top: 1px solid rgba(255, 215, 0, 0.18);
}

.btn-start-tool {
  padding: 8px 14px;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: 8px;
  border: 1px solid #7a4623;
  background: #2b130e;
  color: #ffd700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-start-tool:hover {
  border-color: #ffd700;
  background: #3e1b14;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.25);
}

@media (max-width: 680px) {
  .start-modes-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .start-modal-header {
    padding: 16px 18px 12px;
  }
  .start-modal-body {
    padding: 18px;
  }
  .start-modal-footer {
    padding: 12px 18px;
    flex-wrap: wrap;
  }
  .start-modal-footer #btn-start-game {
    width: 100%;
    margin-left: 0 !important;
    order: -1;
  }
}


/* ==========================================
   STREAMLINED COMPACT MOBILE RESPONSIVE STYLES
   ========================================== */
@media (max-width: 860px), (max-height: 560px) {
  #hud-top {
    height: 36px;
    padding: 0 8px;
  }
  
  .hud-group {
    gap: 5px;
  }
  
  .hud-card {
    min-width: 44px;
    padding: 1px 5px;
    border-radius: 4px;
  }
  
  .hud-label {
    font-size: 7.5px;
    letter-spacing: 0.5px;
  }
  
  .hud-num {
    font-size: 13px;
    font-weight: 800;
  }
  
  .title-banner {
    padding: 0 4px;
  }
  
  .title-banner h1 {
    font-size: 11px;
    letter-spacing: 1px;
  }
  
  .title-banner .subtitle {
    display: none;
  }
  
  .btn-tool {
    padding: 3px 6px;
    font-size: 10.5px;
    gap: 3px;
    border-radius: 4px;
  }
  
  #hud-bottom {
    height: 24px;
    padding: 0 8px;
    font-size: 10px;
  }
  
  .tip-box {
    display: none;
  }
  
  .footer-stats {
    width: 100%;
    justify-content: space-between;
    gap: 6px;
    font-size: 10px;
  }
  
  .btn-small {
    padding: 1px 6px;
    font-size: 9.5px;
  }
  
  #power-container {
    top: 6px;
    left: 8px;
    width: 150px;
    padding: 6px 8px;
  }
  
  /* Modals on Mobile */
  .modal-mode-box, .modal-culture-box {
    max-width: 95vw;
    max-height: 92vh;
    padding: 10px 12px;
    overflow-y: auto;
  }
  
  .modal-header-title {
    font-size: 14px;
  }
  
  .modal-intro {
    font-size: 10.5px;
    margin-bottom: 6px;
  }
  
  .mode-options-grid {
    gap: 8px;
    margin: 6px 0 10px;
  }
  
  .mode-card {
    padding: 8px 6px;
    border-radius: 8px;
  }
  
  .mode-badge {
    font-size: 7.5px;
    padding: 1px 6px;
    top: -6px;
  }
  
  .mode-icon-circle {
    width: 32px;
    height: 32px;
    font-size: 15px;
    margin: 2px 0 4px;
  }
  
  .mode-card h3 {
    font-size: 11.5px;
    margin-bottom: 3px;
  }
  
  .mode-desc {
    font-size: 9.5px;
    line-height: 1.25;
    margin-bottom: 5px;
  }
  
  .mode-perks {
    display: none;
  }
  
  .btn-mode-choice {
    padding: 4px 6px;
    font-size: 9.5px;
  }
  
  .grip-section {
    padding: 6px 8px;
    margin-top: 4px;
    border-radius: 8px;
  }
  
  .grip-title {
    font-size: 10.5px;
    margin-bottom: 4px;
  }
  
  .grip-options {
    gap: 4px;
  }
  
  .btn-grip-opt {
    padding: 5px 4px;
    gap: 4px;
    border-radius: 6px;
  }
  
  .grip-opt-icon {
    font-size: 14px;
  }
  
  .grip-opt-text strong {
    font-size: 9.5px;
  }
  
  .grip-opt-text small {
    display: none;
  }
  
  .modal-footer {
    margin-top: 8px;
  }
  
  .btn-primary {
    padding: 6px 18px;
    font-size: 12px;
  }
  
  .article-section-grid,
  .craft-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }

  .culture-main-title {
    font-size: 15px;
  }

  .culture-subtitle {
    font-size: 11px;
  }

  .culture-chapter-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 6px;
    padding: 4px 1px;
    -webkit-overflow-scrolling: touch;
  }

  .chapter-nav-btn {
    flex: 0 0 auto;
    min-width: auto;
    padding: 6px 10px;
    font-size: 11px;
    min-height: 32px;
  }

  .chapter-nav-btn .chap-num {
    width: 18px;
    height: 18px;
    font-size: 10px;
  }

  .chapter-nav-btn .chap-title {
    font-size: 11px;
  }

  .culture-yt-banner {
    flex-direction: column;
    text-align: center;
  }

  .modal-tab {
    padding: 5px 8px;
    font-size: 10.5px;
  }
}

/* Compact Styling on Landscape Mobile Devices (Short Screen Height) */
@media (max-height: 520px) {
  .modal-box {
    max-height: 96vh;
    width: 96%;
  }

  .modal-header {
    padding: 6px 12px;
  }

  .modal-tab {
    padding: 4px 10px;
    font-size: 11px;
  }

  .modal-body {
    padding: 10px 14px;
    max-height: calc(96vh - 90px);
    gap: 10px;
  }

  .culture-masthead {
    padding-bottom: 6px;
  }

  .culture-main-title {
    font-size: 14px;
    margin: 2px 0;
  }

  .culture-subtitle {
    font-size: 10.5px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .culture-badge-row {
    gap: 8px;
    margin-bottom: 2px;
  }

  .culture-tag {
    font-size: 9px;
    padding: 1px 6px;
  }

  .culture-read-time {
    font-size: 9.5px;
  }

  .chapter-nav-btn {
    min-height: 30px;
    padding: 4px 8px;
    font-size: 11px;
  }

  .chapter-nav-btn .chap-num {
    width: 18px;
    height: 18px;
    font-size: 10px;
  }

  .page-title {
    font-size: 13.5px;
  }

  .article-lead {
    font-size: 11.5px;
    line-height: 1.45;
  }

  .dropcap {
    font-size: 28px;
    line-height: 24px;
    padding-right: 6px;
  }

  .culture-callout-box {
    padding: 10px 12px;
  }

  .callout-icon {
    font-size: 22px;
  }

  .callout-content h4 {
    font-size: 12px;
  }

  .callout-content p {
    font-size: 11px;
  }

  .craft-item, .ritual-step, .video-card {
    padding: 10px 12px;
  }

  .video-thumb-container {
    height: 70px;
  }

  .modal-footer {
    padding: 6px 14px;
  }

  .btn-primary {
    padding: 5px 14px;
    font-size: 11.5px;
  }
}

/* ==========================================
   SKIN & CHARACTER SELECTION MODAL
   ========================================== */
.btn-skin {
  border-color: #ffd700;
  color: #fff;
  background: linear-gradient(180deg, #d35400 0%, #a04000 100%);
}
.btn-skin:hover {
  background: linear-gradient(180deg, #e67e22 0%, #ba4a00 100%);
  box-shadow: 0 0 10px rgba(243, 156, 18, 0.6);
}

.modal-skin-box {
  max-width: 820px;
  width: 90%;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
}

.skin-selection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.skin-card {
  background: rgba(35, 20, 15, 0.85);
  border: 2px solid #5a3d28;
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.skin-card:hover {
  border-color: #f39c12;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(243, 156, 18, 0.3);
  background: rgba(45, 25, 18, 0.95);
}

.skin-card.active {
  border-color: #2ecc71;
  background: rgba(20, 45, 25, 0.9);
  box-shadow: 0 0 20px rgba(46, 204, 113, 0.4);
}

.skin-card-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #27ae60;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 10px;
  display: none;
  letter-spacing: 0.5px;
}

.skin-card.active .skin-card-badge {
  display: block;
}

.skin-preview-wrap {
  width: 140px;
  height: 180px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, rgba(0, 0, 0, 0.4) 100%);
  border-radius: 8px;
  border: 1px solid #6b4c35;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 12px;
}

.skin-preview-img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.6));
  transition: transform 0.25s ease;
}

.skin-card:hover .skin-preview-img {
  transform: scale(1.06);
}

.skin-info h3 {
  font-size: 17px;
  color: #ffd700;
  font-weight: 800;
  margin-bottom: 4px;
}

.skin-ethnicity {
  font-size: 12px;
  color: #38bdf8;
  font-weight: 600;
  margin-bottom: 8px;
}

.skin-desc {
  font-size: 12px;
  color: #d1d5db;
  line-height: 1.4;
  margin-bottom: 14px;
  min-height: 34px;
}

.btn-select-skin {
  width: 100%;
  padding: 8px 12px;
  background: #34495e;
  border: 1px solid #4a627a;
  color: #ecf0f1;
  border-radius: 6px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.skin-card:hover .btn-select-skin {
  background: #e67e22;
  border-color: #f39c12;
  color: #fff;
}

.skin-card.active .btn-select-skin {
  background: #27ae60;
  border-color: #2ecc71;
  color: #fff;
}

/* ==========================================
   FORCED LANDSCAPE ORIENTATION ON MOBILE
   Always forces horizontal landscape layout on mobile phones
   ========================================== */
@media screen and (orientation: portrait) and (max-width: 900px) {
  html, body {
    overflow: hidden !important;
    width: 100vw !important;
    height: 100vh !important;
    margin: 0 !important;
    padding: 0 !important;
    position: fixed !important;
  }

  #game-container {
    width: 100vh !important;
    height: 100vw !important;
    max-width: 100vh !important;
    max-height: 100vw !important;
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) rotate(90deg) !important;
    transform-origin: center center !important;
    box-shadow: none !important;
  }
}

/* ==========================================
   2-PLAYER VERSUS MODE STYLES
   ========================================== */
.versus-scoreboard {
  display: flex;
  align-items: center;
  gap: 8px;
}

.player-hud-card {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.75);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  padding: 2px 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.player-hud-card.active {
  border-color: #ffd700;
  background: linear-gradient(135deg, rgba(254, 240, 138, 0.25), rgba(217, 119, 6, 0.35));
  box-shadow: 0 0 12px rgba(250, 204, 21, 0.6);
  transform: scale(1.05);
}

.p1-hud-card {
  border-left: 3px solid #38bdf8;
}

.p2-hud-card {
  border-right: 3px solid #ec4899;
}

.p-avatar {
  font-size: 16px;
}

.p-info {
  display: flex;
  flex-direction: column;
}

.p-name {
  font-size: 8.5px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.p1-hud-card .p-name { color: #7dd3fc; }
.p2-hud-card .p-name { color: #f472b6; }

.p-score {
  font-size: 14px;
  font-weight: 900;
  color: #ffd700;
  line-height: 1.1;
}

.versus-vs-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}

.vs-label {
  font-size: 9px;
  font-weight: 900;
  color: #f59e0b;
  letter-spacing: 0.5px;
}

.turn-badge {
  font-size: 9px;
  font-weight: 800;
  color: #fef08a;
  background: rgba(0, 0, 0, 0.6);
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid rgba(254, 240, 138, 0.4);
}

/* Match Victory Modal */
.modal-victory-box {
  background: linear-gradient(180deg, #1e1b4b 0%, #0f172a 100%);
  border: 2px solid #fbbf24;
  box-shadow: 0 0 40px rgba(251, 191, 36, 0.5);
  max-width: 520px;
  text-align: center;
  padding: 30px;
}

.victory-header {
  margin-bottom: 20px;
}

.victory-crown {
  font-size: 54px;
  display: inline-block;
  animation: bounceTrophy 1.5s infinite alternate ease-in-out;
}

@keyframes bounceTrophy {
  from { transform: translateY(0) scale(1); }
  to { transform: translateY(-8px) scale(1.1); }
}

.modal-victory-box h2 {
  font-size: 24px;
  font-weight: 900;
  color: #fef08a;
  text-shadow: 0 0 12px rgba(250, 204, 21, 0.7);
  margin: 8px 0;
}

.victory-subtitle {
  font-size: 13px;
  color: #cbd5e1;
}

.victory-scores-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 12px;
  padding: 16px 24px;
  margin: 20px 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.v-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.v-avatar {
  font-size: 32px;
}

.v-label {
  font-size: 11px;
  font-weight: 800;
}
.v-p1 .v-label { color: #38bdf8; }
.v-p2 .v-label { color: #f472b6; }

.v-score {
  font-size: 32px;
  font-weight: 900;
  color: #ffd700;
}

.v-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 16px;
  color: #94a3b8;
}

/* ==========================================
   SKILLS TRAY & CARDS SYSTEM (TOP VERTICAL COMPACT)
   ========================================== */
.skills-tray {
  position: absolute;
  top: 54px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(18, 11, 8, 0.92);
  border: 1.5px solid rgba(255, 215, 0, 0.4);
  border-radius: 11px;
  padding: 6px;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  pointer-events: auto;
}

.p1-tray {
  left: 14px;
  top: 86px;
  border-left: 3px solid #38bdf8;
}

.p2-tray {
  right: 12px;
  border-right: 3px solid #f472b6;
}

.tray-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 1px 2px 4px 2px;
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.tray-icon {
  font-size: 11px;
}

.tray-title {
  font-size: 10px;
  font-weight: 800;
  color: #ffd700;
  letter-spacing: 0.5px;
}

.tray-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #64748b;
  transition: all 0.25s ease;
}

.tray-dot.turn-active {
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  animation: pulseDot 1s infinite alternate ease-in-out;
}

@keyframes pulseDot {
  from { transform: scale(0.9); box-shadow: 0 0 4px #22c55e; }
  to { transform: scale(1.2); box-shadow: 0 0 10px #4ade80; }
}

.skills-slots {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

/* Half-sized skill card button (~42px x 42px) */
.skill-card-btn {
  width: 42px;
  height: 42px;
  background: linear-gradient(145deg, #2a150d 0%, #150905 100%);
  border: 1.5px solid #784323;
  border-radius: 8px;
  padding: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: visible;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
}

/* Tier borders & glows: Common, Rare, Epic Chí Mạng */
.skill-card-btn.tier-common {
  border-color: #64748b;
}

.skill-card-btn.tier-rare {
  border-color: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.45);
}

.skill-card-btn.tier-epic {
  border-color: #f59e0b;
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.7);
  animation: epicPulse 2.2s infinite alternate ease-in-out;
}

@keyframes epicPulse {
  0% { border-color: #f59e0b; box-shadow: 0 0 10px rgba(245, 158, 11, 0.5); }
  100% { border-color: #fbbf24; box-shadow: 0 0 18px rgba(251, 191, 36, 0.95); }
}

/* Refill Card Drop-in Animation */
@keyframes cardRefillDrop {
  0% {
    transform: scale(0.35) translateY(-22px);
    opacity: 0;
    filter: brightness(2.2);
  }
  65% {
    transform: scale(1.18) translateY(2px);
    opacity: 1;
  }
  100% {
    transform: scale(1) translateY(0);
    opacity: 1;
    filter: brightness(1);
  }
}

.skill-card-btn.card-refill-anim {
  animation: cardRefillDrop 0.45s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
}

.skill-card-btn:hover:not(:disabled):not(.used) {
  transform: scale(1.1);
  border-color: #ffd700;
  box-shadow: 0 0 14px rgba(255, 215, 0, 0.5);
  z-index: 70;
}

.skill-card-btn:active:not(:disabled):not(.used) {
  transform: scale(0.98);
}

.skill-card-btn.active {
  border-color: #22c55e !important;
  box-shadow: 0 0 16px rgba(34, 197, 94, 0.95), inset 0 0 8px rgba(74, 222, 128, 0.5) !important;
  animation: pulseActiveCard 1.1s infinite alternate ease-in-out;
  opacity: 1 !important;
  filter: none !important;
  transform: scale(1.08);
  z-index: 65;
}

.skill-card-btn.active .skill-img-wrap {
  opacity: 1 !important;
  filter: none !important;
  border-color: #4ade80 !important;
}

.skill-card-btn.active .skill-used-overlay {
  display: none !important;
}

.skill-card-btn.active::after {
  content: "ĐANG DÙNG";
  position: absolute;
  bottom: -9px;
  left: 50%;
  transform: translateX(-50%);
  background: #16a34a;
  color: #fff;
  font-size: 7.5px;
  font-weight: 900;
  padding: 1px 4px;
  border-radius: 4px;
  letter-spacing: 0.3px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.7);
  white-space: nowrap;
  z-index: 10;
}

@keyframes pulseActiveCard {
  from { border-color: #22c55e; box-shadow: 0 0 8px rgba(34, 197, 94, 0.6); }
  to { border-color: #4ade80; box-shadow: 0 0 18px rgba(74, 222, 128, 0.95); }
}

.skill-img-wrap {
  width: 100%;
  height: 100%;
  border-radius: 6px;
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(255, 215, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

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

/* Category Pip Indicator */
.skill-badge-dot {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.6);
  z-index: 5;
}

.skill-badge-dot.support {
  background: #38bdf8;
  box-shadow: 0 0 5px #38bdf8;
}

.skill-badge-dot.debuff {
  background: #ef4444;
  box-shadow: 0 0 5px #ef4444;
}

.skill-badge-dot.shield {
  background: #fbbf24;
  box-shadow: 0 0 5px #fbbf24;
}

/* Used / Disabled States */
.skill-card-btn.used:not(.active) {
  opacity: 0.35;
  filter: grayscale(1);
  cursor: not-allowed;
  pointer-events: auto; /* Allow hovering to see what skill was used */
  border-color: #475569;
}

.skill-used-overlay {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(10, 5, 3, 0.75);
  color: #f87171;
  font-size: 14px;
  font-weight: 900;
  border-radius: 7px;
  align-items: center;
  justify-content: center;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
  z-index: 6;
}

.skill-card-btn.used:not(.active) .skill-used-overlay {
  display: flex;
}

.skill-card-btn:disabled:not(.used):not(.active) {
  cursor: not-allowed;
  border-color: rgba(255, 215, 0, 0.2);
}

.skill-card-btn:disabled:not(.used):not(.active) .skill-img-wrap {
  opacity: 0.55;
  filter: grayscale(0.4);
}

.tray-status-badge {
  display: none;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 5px;
  text-align: center;
  white-space: nowrap;
  letter-spacing: 0.3px;
  margin-top: 2px;
}

.tray-status-badge.active-support {
  display: block;
  background: rgba(14, 165, 233, 0.3);
  border: 1px solid #38bdf8;
  color: #7dd3fc;
  box-shadow: 0 0 6px rgba(56, 189, 248, 0.4);
}

.tray-status-badge.active-debuff {
  display: block;
  background: rgba(239, 68, 68, 0.3);
  border: 1px solid #ef4444;
  color: #fca5a5;
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.4);
  animation: pulseDot 1s infinite alternate ease-in-out;
}

.tray-status-badge.active-shield {
  display: block;
  background: rgba(245, 158, 11, 0.3);
  border: 1px solid #fbbf24;
  color: #fef08a;
  box-shadow: 0 0 6px rgba(251, 191, 36, 0.4);
}

/* ==========================================
   SKILL TOOLTIP POPOVER (HOVER & HOLD)
   ========================================== */
.skill-tooltip {
  position: absolute;
  top: 50%;
  width: 220px;
  background: #140b07;
  border: 1.5px solid rgba(255, 215, 0, 0.7);
  border-radius: 9px;
  padding: 10px 12px;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.95), 0 0 18px rgba(255, 215, 0, 0.25);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0.2s;
  z-index: 150;
  text-align: left;
}

/* P1 Tooltip Pops out to Right */
.p1-tray .skill-tooltip {
  left: calc(100% + 11px);
  transform: translateY(-50%) translateX(6px);
}

.p1-tray .skill-tooltip::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -7px;
  transform: translateY(-50%);
  border-width: 6px 7px 6px 0;
  border-style: solid;
  border-color: transparent rgba(255, 215, 0, 0.65) transparent transparent;
}

/* P2 Tooltip Pops out to Left */
.p2-tray .skill-tooltip {
  right: calc(100% + 11px);
  transform: translateY(-50%) translateX(-6px);
}

.p2-tray .skill-tooltip::before {
  content: "";
  position: absolute;
  top: 50%;
  right: -7px;
  transform: translateY(-50%);
  border-width: 6px 0 6px 7px;
  border-style: solid;
  border-color: transparent transparent transparent rgba(255, 215, 0, 0.65);
}

/* Active Hover / Hold State */
.skill-card-btn:hover .skill-tooltip,
.skill-card-btn:focus .skill-tooltip,
.skill-card-btn.show-tooltip .skill-tooltip {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.p1-tray .skill-card-btn:hover .skill-tooltip,
.p1-tray .skill-card-btn.show-tooltip .skill-tooltip {
  transform: translateY(-50%) translateX(0);
}

.p2-tray .skill-card-btn:hover .skill-tooltip,
.p2-tray .skill-card-btn.show-tooltip .skill-tooltip {
  transform: translateY(-50%) translateX(0);
}

.tooltip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(255, 215, 0, 0.3);
}

.tooltip-title {
  font-size: 12px;
  font-weight: 800;
  color: #ffd700;
  letter-spacing: 0.4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 135px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

.tooltip-tags-group {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.tooltip-tier-tag {
  font-size: 7.5px;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 3px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  flex-shrink: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.tier-tag-common {
  background: rgba(100, 116, 139, 0.35);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.tier-tag-rare {
  background: rgba(14, 165, 233, 0.35);
  color: #7dd3fc;
  border: 1px solid rgba(56, 189, 248, 0.6);
}

.tier-tag-epic {
  background: rgba(245, 158, 11, 0.35);
  color: #fde047;
  border: 1px solid rgba(245, 158, 11, 0.8);
  font-weight: 900;
  box-shadow: 0 0 6px rgba(245, 158, 11, 0.4);
}

.tooltip-type-tag {
  font-size: 8px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  flex-shrink: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.tag-support {
  background: rgba(2, 132, 199, 0.35);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.6);
}

.tag-debuff {
  background: rgba(220, 38, 38, 0.35);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.6);
}

.tag-shield {
  background: rgba(217, 119, 6, 0.35);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.6);
}

.tooltip-desc {
  font-size: 10.5px;
  line-height: 1.5;
  color: #ffffff;
  margin: 0 0 6px 0;
  word-break: break-word;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

.tooltip-footer {
  border-top: 1px dashed rgba(255, 255, 255, 0.15);
  padding-top: 5px;
}

.tooltip-hint {
  font-size: 8.5px;
  color: #cbd5e1;
  font-style: italic;
  display: block;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

@media (max-width: 768px) {
  .skills-tray {
    top: 50px;
    padding: 4px;
    border-radius: 9px;
  }
  .p1-tray { left: 6px; }
  .p2-tray { right: 6px; }
  .skill-card-btn {
    width: 36px;
    height: 36px;
  }
  .skill-tooltip {
    width: 180px;
    padding: 7px 9px;
  }
  .tooltip-title {
    font-size: 11px;
  }
  .tooltip-desc {
    font-size: 9.5px;
  }
}

/* ==========================================
   HIDDEN FACE-DOWN CARDS (KỸ NĂNG ẨN ĐỐI THỦ)
   Fog of war / Secret opponent deck styling
   ========================================== */
.skill-card-btn.card-hidden {
  background: linear-gradient(145deg, #181124 0%, #291a3c 55%, #130a1c 100%) !important;
  border: 1.5px solid rgba(168, 85, 247, 0.45) !important;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.55), inset 0 0 8px rgba(168, 85, 247, 0.15) !important;
}

.skill-card-btn.card-hidden:hover {
  transform: translateY(-2px);
  border-color: rgba(192, 132, 252, 0.8) !important;
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.45), inset 0 0 10px rgba(192, 132, 252, 0.25) !important;
}

.card-back-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  background: radial-gradient(circle at center, rgba(168, 85, 247, 0.22) 0%, rgba(15, 8, 25, 0.95) 85%);
  border: 1px dashed rgba(192, 132, 252, 0.35);
}

.card-back-pattern {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  user-select: none;
  pointer-events: none;
}

.card-back-emblem {
  font-size: 16px;
  line-height: 1;
  color: #c084fc;
  filter: drop-shadow(0 0 5px rgba(192, 132, 252, 0.7));
  animation: mysticSealPulse 2.8s ease-in-out infinite alternate;
}

.card-back-label {
  font-size: 7.5px;
  font-weight: 900;
  letter-spacing: 1.2px;
  color: #e9d5ff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

@keyframes mysticSealPulse {
  0% { transform: scale(0.92); opacity: 0.85; }
  100% { transform: scale(1.1); opacity: 1; filter: drop-shadow(0 0 9px rgba(192, 132, 252, 0.95)); }
}

/* Active secret card used by opponent */
.skill-card-btn.card-hidden.active {
  border-color: #ffd700 !important;
  box-shadow: 0 0 16px rgba(255, 215, 0, 0.85), inset 0 0 12px rgba(255, 215, 0, 0.3) !important;
  animation: activeSecretPulse 1.8s infinite alternate ease-in-out !important;
}

@keyframes activeSecretPulse {
  0% { box-shadow: 0 0 10px rgba(255, 215, 0, 0.6); }
  100% { box-shadow: 0 0 20px rgba(255, 215, 0, 1); }
}

.skill-card-btn.card-hidden.active .card-back-emblem {
  color: #fde047;
  filter: drop-shadow(0 0 8px #f59e0b);
}

.skill-card-btn.card-hidden.active .card-back-label {
  color: #fef08a;
}

.skill-badge-dot.mystery {
  background: radial-gradient(circle, #c084fc 30%, #7e22ce 100%);
  box-shadow: 0 0 6px #a855f7;
}

.tooltip-type-tag.tag-hidden {
  background: rgba(147, 51, 234, 0.35);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.6);
}


/* ==========================================
   BOT DIFFICULTY SELECTOR & HUD STYLES
   ========================================= */
.bot-diff-selector {
  margin: 10px 0 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: rgba(0, 0, 0, 0.3);
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.diff-title {
  font-size: 11px;
  font-weight: 700;
  color: #7dd3fc;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.diff-btn-group {
  display: flex;
  gap: 6px;
  width: 100%;
}

.btn-diff {
  flex: 1;
  padding: 5px 4px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  background: rgba(15, 23, 42, 0.6);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.4);
  transition: all 0.2s ease;
  font-family: inherit;
}

.btn-diff:hover {
  background: rgba(30, 41, 59, 0.85);
  color: #f1f5f9;
  border-color: rgba(56, 189, 248, 0.6);
}

.btn-diff.active[data-diff="easy"] {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.35), rgba(5, 150, 105, 0.35));
  color: #6ee7b7;
  border-color: #10b981;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.btn-diff.active[data-diff="medium"] {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.35), rgba(14, 165, 233, 0.35));
  color: #7dd3fc;
  border-color: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

.btn-diff.active[data-diff="hard"] {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.35), rgba(220, 38, 38, 0.35));
  color: #fca5a5;
  border-color: #ef4444;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.45);
}

/* Top HUD Difficulty Button */
.btn-bot-diff {
  transition: all 0.25s ease;
}

.btn-bot-diff.diff-easy {
  border-color: #10b981 !important;
  color: #6ee7b7 !important;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.15)) !important;
}

.btn-bot-diff.diff-medium {
  border-color: #38bdf8 !important;
  color: #7dd3fc !important;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(14, 165, 233, 0.15)) !important;
}

.btn-bot-diff.diff-hard {
  border-color: #ef4444 !important;
  color: #fca5a5 !important;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.25), rgba(220, 38, 38, 0.2)) !important;
}

/* Card Defense Idle Shake Animation (Silent feedback when clicking defense card without debuff) */
.card-defense-idle-shake {
  animation: defenseIdleShake 0.38s ease-in-out !important;
}

@keyframes defenseIdleShake {
  0% { transform: scale(1); }
  20% { transform: scale(1.05) translateX(-3px); }
  40% { transform: scale(1.05) translateX(3px); }
  60% { transform: scale(1.03) translateX(-2px); }
  80% { transform: scale(1.01) translateX(2px); }
  100% { transform: scale(1); }
}

/* =========================================================
   SKILL CARD VISUAL POPUP (Thay thế thông báo chữ)
   ========================================================= */
.skill-card-popups-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 35;
}

.skill-card-popup {
  position: absolute;
  top: 36%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: skillCardPopAnim 1.8s cubic-bezier(0.18, 0.9, 0.32, 1.25) forwards;
  pointer-events: none;
}

.skill-card-popup.player-p1 {
  left: 28%;
}

.skill-card-popup.player-p2 {
  left: 72%;
}

.card-popup-frame {
  position: relative;
  width: 130px;
  height: 182px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.85);
  border: 3px solid #ffd700;
  background: #1a0f0a;
}

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

.card-popup-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 190px;
  height: 250px;
  border-radius: 50%;
  filter: blur(28px);
  opacity: 0.88;
  z-index: -1;
  pointer-events: none;
}

/* Tier Glowing Color Schemes */
.skill-card-popup.tier-legendary .card-popup-frame {
  border-color: #ffd700;
  box-shadow: 0 0 35px rgba(255, 215, 0, 0.95), 0 12px 35px rgba(0, 0, 0, 0.85);
}
.skill-card-popup.tier-legendary .card-popup-glow {
  background: radial-gradient(circle, rgba(255, 215, 0, 0.9) 0%, rgba(255, 140, 0, 0.45) 70%, transparent 100%);
}

.skill-card-popup.tier-epic .card-popup-frame {
  border-color: #c084fc;
  box-shadow: 0 0 35px rgba(192, 132, 252, 0.95), 0 12px 35px rgba(0, 0, 0, 0.85);
}
.skill-card-popup.tier-epic .card-popup-glow {
  background: radial-gradient(circle, rgba(192, 132, 252, 0.9) 0%, rgba(147, 51, 234, 0.45) 70%, transparent 100%);
}

.skill-card-popup.tier-rare .card-popup-frame {
  border-color: #38bdf8;
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.9), 0 12px 35px rgba(0, 0, 0, 0.85);
}
.skill-card-popup.tier-rare .card-popup-glow {
  background: radial-gradient(circle, rgba(56, 189, 248, 0.88) 0%, rgba(14, 165, 233, 0.45) 70%, transparent 100%);
}

.skill-card-popup.tier-common .card-popup-frame {
  border-color: #4ade80;
  box-shadow: 0 0 25px rgba(74, 222, 128, 0.85), 0 12px 35px rgba(0, 0, 0, 0.85);
}
.skill-card-popup.tier-common .card-popup-glow {
  background: radial-gradient(circle, rgba(74, 222, 128, 0.82) 0%, rgba(34, 197, 94, 0.45) 70%, transparent 100%);
}

.card-popup-badge {
  margin-top: 10px;
  background: rgba(18, 10, 6, 0.92);
  border: 1.5px solid #ffd700;
  color: #ffd700;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 4px 16px;
  border-radius: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.7);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9);
}

@keyframes skillCardPopAnim {
  0% {
    transform: translate(-50%, -50%) scale(0.2) rotate(-8deg);
    opacity: 0;
  }
  30% {
    transform: translate(-50%, -50%) scale(1.15) rotate(2deg);
    opacity: 1;
  }
  45% {
    transform: translate(-50%, -50%) scale(1.0) rotate(0deg);
    opacity: 1;
  }
  75% {
    transform: translate(-50%, -62%) scale(1.0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -85%) scale(0.82) rotate(0deg);
    opacity: 0;
  }
}

/* =========================================================
   INTERACTIVE WAGER MODAL (Chiêu Cược Điểm)
   ========================================================= */
.wager-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.76);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  pointer-events: auto;
  animation: fadeIn 0.2s ease-out;
}

.wager-modal-overlay.hidden {
  display: none !important;
}

.wager-modal-box {
  background: radial-gradient(circle at 50% 20%, #2f150c 0%, #140805 100%);
  border: 2px solid #ffd700;
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.45), 0 16px 36px rgba(0, 0, 0, 0.85);
  border-radius: 18px;
  padding: 20px 24px 22px 24px;
  width: 340px;
  max-width: 92%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-sizing: border-box;
}

.wager-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 215, 0, 0.2);
  padding-bottom: 10px;
}

.wager-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.wager-modal-title {
  font-size: 18px;
  font-weight: 900;
  color: #ffd700;
  letter-spacing: 1px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
}

.wager-help-container {
  position: relative;
  display: inline-flex;
}

.wager-help-btn {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 215, 0, 0.15);
  border: 1.5px solid #ffd700;
  color: #ffd700;
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  padding: 0;
}

.wager-help-btn:hover {
  background: #ffd700;
  color: #1a0804;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.7);
}

.wager-help-tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: rgba(22, 10, 6, 0.98);
  border: 1.5px solid #ffd700;
  border-radius: 10px;
  padding: 10px 14px;
  width: 230px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.9), 0 0 16px rgba(255, 215, 0, 0.35);
  font-size: 12.5px;
  line-height: 1.5;
  color: #fef08a;
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.wager-help-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: #ffd700 transparent transparent transparent;
}

.wager-help-container:hover .wager-help-tooltip,
.wager-help-tooltip.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.wager-help-item {
  margin-bottom: 5px;
}
.wager-help-item:last-child {
  margin-bottom: 0;
}
.wager-help-item.win {
  color: #86efac;
}
.wager-help-item.lose {
  color: #fca5a5;
}

.wager-btn-close {
  background: transparent;
  border: none;
  color: #9ca3af;
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.15s ease;
}
.wager-btn-close:hover {
  color: #fff;
}

/* Value display */
.wager-slider-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.wager-value-badge {
  font-size: 46px;
  font-weight: 900;
  color: #ffd700;
  text-shadow: 0 0 16px rgba(255, 215, 0, 0.65), 0 3px 6px rgba(0, 0, 0, 0.8);
  line-height: 1;
}

.wager-value-unit {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #fef08a;
  opacity: 0.85;
}

.wager-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin-top: 10px;
}

.wager-slider-edge {
  font-size: 13px;
  font-weight: 700;
  color: #d1d5db;
  min-width: 20px;
  text-align: center;
}

.wager-slider-edge.max {
  color: #ffd700;
}

/* Custom styled range slider */
.wager-slider-range {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, #b45309 0%, #451a03 100%);
  outline: none;
  cursor: pointer;
}

.wager-slider-range:disabled {
  opacity: 0.55;
  cursor: default;
}

.wager-balance-hint {
  font-size: 13px;
  color: #d1d5db;
  margin-top: 8px;
  text-align: center;
}

.wager-balance-hint strong {
  color: #ffd700;
  font-size: 14px;
  font-weight: 800;
}

.wager-slider-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 15%, #ffd700 70%, #b8860b 100%);
  border: 2px solid #fff;
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.9);
  cursor: grab;
  transition: transform 0.1s ease;
}

.wager-slider-range::-webkit-slider-thumb:active {
  transform: scale(1.18);
  cursor: grabbing;
}

.wager-slider-range::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 15%, #ffd700 70%, #b8860b 100%);
  border: 2px solid #fff;
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.9);
  cursor: grab;
}

/* Confirm Button */
.wager-btn-confirm {
  background: linear-gradient(180deg, #f59e0b 0%, #b45309 100%);
  color: #fff;
  border: 1.5px solid #ffd700;
  border-radius: 12px;
  padding: 12px;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
  transition: all 0.15s ease;
  width: 100%;
}

.wager-btn-confirm:hover {
  transform: translateY(-2px);
  background: linear-gradient(180deg, #fbbf24 0%, #d97706 100%);
  box-shadow: 0 6px 20px rgba(251, 191, 36, 0.55);
}

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

/* ==========================================
   DEV TEST SKILLS PANEL (DEVELOPER MODE)
   ========================================== */
.dev-panel {
  position: fixed;
  top: 70px;
  right: 20px;
  width: 390px;
  max-height: calc(100vh - 100px);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border: 1.5px solid #38bdf8;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(56, 189, 248, 0.25);
  color: #f1f5f9;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: 'Be Vietnam Pro', -apple-system, sans-serif;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.dev-panel.hidden {
  display: none !important;
}

.dev-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(30, 41, 59, 0.85);
  border-bottom: 1px solid rgba(56, 189, 248, 0.3);
}

.dev-panel-title {
  font-size: 14px;
  font-weight: 800;
  color: #38bdf8;
  letter-spacing: 0.5px;
}

.dev-panel-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dev-badge-hotkey {
  font-size: 10px;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
}

.dev-btn-close {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}

.dev-btn-close:hover {
  color: #f87171;
  background: rgba(239, 68, 68, 0.15);
}

.dev-panel-body {
  padding: 14px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dev-section-title {
  font-size: 11px;
  font-weight: 700;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 4px;
}

.dev-toolbar-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.dev-btn-action {
  background: rgba(51, 65, 85, 0.8);
  color: #e2e8f0;
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.dev-btn-action:hover {
  background: #475569;
  border-color: #38bdf8;
  color: #fff;
}

.dev-btn-action.dev-danger:hover {
  background: #b91c1c;
  border-color: #ef4444;
}

.dev-diff-group {
  display: flex;
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 6px;
  overflow: hidden;
  margin-left: auto;
}

.dev-diff-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.dev-diff-btn.active {
  background: #0284c7;
  color: #fff;
}

.dev-target-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: #cbd5e1;
  background: rgba(30, 41, 59, 0.5);
  padding: 6px 10px;
  border-radius: 6px;
}

.dev-radio-label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.dev-telemetry-box {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 8px;
  padding: 8px 10px;
  font-family: monospace;
  font-size: 11px;
  line-height: 1.5;
  color: #38bdf8;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 8px;
}

.dev-telemetry-box strong {
  color: #f8fafc;
}

.dev-skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.dev-skill-card-btn {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 11px;
  color: #e2e8f0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  text-align: left;
  transition: all 0.15s ease;
}

.dev-skill-card-btn:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: #38bdf8;
  color: #fff;
  transform: translateY(-1px);
}

.dev-skill-card-btn:active {
  transform: translateY(0);
}

.dev-skill-card-btn.active-skill {
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.2);
  color: #fef08a;
}