/* CineAHO Premium Apple Game+ Stylesheet */

/* Dark Theme Variables */
:root {
  /* HSL Colors */
  --hue-purple: 270;
  --hue-blue: 210;
  --hue-green: 145;
  --hue-gold: 45;
  --hue-red: 350;
  --hue-cyan: 190;

  /* Theme Core (Dark Mode) */
  --bg-color: #060913;
  --bg-grid: rgba(255, 255, 255, 0.015);
  
  --panel-bg: rgba(14, 20, 38, 0.55);
  --panel-border: rgba(255, 255, 255, 0.05);
  --panel-hover-border: rgba(0, 242, 254, 0.25);
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dark: #475569;
  
  --apple-red: #ff3838;
  --btn-green: #12b886;
  --btn-green-hover: #0ca678;
  --btn-purple: #9c36b5;
  --btn-purple-hover: #862e9c;
  --btn-blue: #3b82f6;
  --btn-blue-hover: #2563eb;
  
  --font-main: 'Noto Sans KR', 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-premium: 0 12px 40px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Grid Background */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -2;
  pointer-events: none;
}

/* Ambient Glow Orbs */
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(160px);
  z-index: -3;
  pointer-events: none;
  opacity: 0.25;
  transition: opacity 0.5s ease;
}

.bg-glow-purple {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #7e22ce 0%, transparent 70%);
  top: -200px;
  left: 10%;
}

.bg-glow-blue {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, #2563eb 0%, transparent 70%);
  top: 20%;
  right: 5%;
}


/* Header */
.main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  margin: 1rem 1.5rem 0 1.5rem;
  border-radius: 50px;
  transition: var(--transition-smooth);
}

.glass-header {
  background: rgba(14, 20, 38, 0.7);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-premium);
}

.logo-circle {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #ff3838 0%, #d32f2f 100%);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 10px rgba(255, 56, 56, 0.3);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-text {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.95rem;
}

.logo-text span {
  color: var(--text-muted);
  font-weight: 400;
}

.header-nav {
  flex-grow: 1;
  margin: 0 2rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.header-nav::-webkit-scrollbar {
  display: none;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.25rem;
  white-space: nowrap;
}

.nav-list a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  padding: 0.5rem 0.25rem;
  position: relative;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--text-main);
}

.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: #ff3838;
  border-radius: 2px;
}

.btn-back-dashboard {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  padding: 0.5rem 1.2rem;
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-back-dashboard:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #ff3838;
  transform: translateX(-2px);
}

/* Yellow Notice bar */
.announcement-bar {
  background-color: rgba(252, 196, 25, 0.9);
  color: #1e293b;
  text-align: center;
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(250, 176, 5, 0.4);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
}

/* Lobby Container */
.game-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.lobby-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 0;
}

.lobby-title {
  font-family: var(--font-main);
  font-size: 2.6rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -1px;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.lobby-title sup {
  color: var(--apple-red);
  font-size: 1.4rem;
  top: -0.6em;
}

.lobby-sub-nav {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  margin-top: 0.5rem;
  margin-bottom: 2rem;
}

.lobby-tab-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.lobby-tab-link:hover {
  color: var(--apple-red);
}

.dot-separator {
  color: var(--text-dark);
  font-size: 1.25rem;
}

.lobby-apple-illustration {
  width: 140px;
  height: 140px;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 8px 16px rgba(255, 56, 56, 0.15));
  animation: floatApple 4s ease-in-out infinite;
}

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

.lobby-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 2.2rem;
}

/* Actions Menu Grid buttons */
.lobby-actions {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
  max-width: 480px;
}

.primary-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.btn-lobby {
  border: none;
  border-radius: 14px;
  padding: 1.1rem 1rem;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 6px 15px rgba(0,0,0,0.08);
  position: relative;
  overflow: hidden;
}

.btn-lobby:active {
  transform: translateY(2px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.btn-green {
  background-color: var(--btn-green);
}
.btn-green:hover {
  background-color: var(--btn-green-hover);
  transform: translateY(-2px);
}

.btn-purple {
  background-color: var(--btn-purple);
}
.btn-purple:hover {
  background-color: var(--btn-purple-hover);
  transform: translateY(-2px);
}

.btn-blue {
  background-color: var(--btn-blue);
  width: 100%;
}
.btn-blue:hover {
  background-color: var(--btn-blue-hover);
  transform: translateY(-2px);
}

.badge-beta {
  font-size: 0.65rem;
  font-weight: 800;
  background-color: rgba(255,255,255,0.2);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  display: block;
  margin-top: 0.25rem;
}

.divider-text {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-dark);
  font-size: 0.85rem;
  font-weight: 600;
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--panel-border);
}

.divider-text span {
  padding: 0 1rem;
}

.secondary-row {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.lobby-invite-box {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.lobby-invite-box input {
  flex-grow: 1;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 0 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  outline: none;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  text-align: center;
}

.lobby-invite-box input:focus {
  border-color: var(--btn-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.btn-lobby-join {
  background-color: var(--btn-blue);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 0.85rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-lobby-join:hover {
  background-color: var(--btn-blue-hover);
}

/* Modals Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.25s ease-out;
}

.modal-card {
  width: 90%;
  max-width: 500px;
  background: rgba(14, 20, 38, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: var(--shadow-premium);
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
}

.btn-close-modal {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.btn-close-modal:hover {
  color: var(--apple-red);
}

.modal-body {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.modal-body p {
  margin-bottom: 0.85rem;
}

/* PLAY VIEW SECTION */
.play-view, .battle-view {
  animation: fadeIn 0.3s ease-out;
}

.play-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.lobby-title-small {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
}

.lobby-title-small sup {
  color: var(--apple-red);
  font-size: 0.9rem;
}

.play-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-tool-icon {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.btn-tool-icon:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--apple-red);
  border-color: var(--apple-red);
}

.zoom-indicator {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0.25rem;
}

.btn-reset {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.btn-reset:hover {
  background-color: var(--apple-red);
  color: #fff;
  border-color: var(--apple-red);
}

/* Scoreboard banner play */
.scoreboard-banner {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 16px;
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  box-shadow: inset 0 2px 5px rgba(0,0,0,0.02);
}

.score-display {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
}

.score-display strong {
  font-size: 1.8rem;
  color: #10b981;
  line-height: 1;
}

.score-display .max-score {
  font-size: 0.85rem;
  color: var(--text-dark);
}

.timer-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.45rem;
  font-weight: 800;
  font-family: monospace;
  color: #fff;
}

.timer-display i {
  font-size: 1.2rem;
  color: var(--text-muted);
}

/* Play Board Container */
.board-container {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(14, 20, 38, 0.6);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: var(--shadow-premium);
  margin-bottom: 1rem;
}

.canvas-wrapper {
  position: relative;
  background-color: rgba(0, 0, 0, 0.25);
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  border-radius: 8px;
  overflow: hidden;
}

#classic-canvas {
  display: block;
  cursor: crosshair;
  background: transparent;
}

.board-helper-text {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.board-helper-text a {
  color: var(--apple-red);
  text-decoration: underline;
}

/* -------------------------------------------------------------
   AI BATTLE SPLIT MODE
   ------------------------------------------------------------- */
.battle-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.battle-column {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.battle-user-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 0.6rem 1rem;
  border-radius: 12px;
}

.user-badge {
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.badge-player {
  color: var(--btn-green-hover);
}

.badge-ai {
  color: var(--btn-purple-hover);
}

.battle-score {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.battle-score strong {
  font-size: 1.25rem;
  color: #fff;
}

.battle-timer-bar {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}

.battle-timer-bar .timer-display {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
}

/* -------------------------------------------------------------
   BOTTOM EXPLANATION GUIDE
   ------------------------------------------------------------- */
.explanation-board-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  margin-top: 2rem;
}

.explanation-board-section .board-header {
  border-bottom: 2px solid var(--apple-red);
  padding-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.explanation-board-section .board-header i {
  font-size: 1.25rem;
  color: var(--apple-red);
}

.explanation-board-section .board-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
}

.explanation-board-section .board-header span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Quick guides cards row */
.guide-quick-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.guide-card {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.35rem;
}

.guide-card i {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.guide-card strong {
  font-size: 0.88rem;
  color: var(--text-main);
}

.guide-card span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Explanation layout split */
.explanation-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.explanation-index-list {
  background: rgba(14, 20, 38, 0.5);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  overflow: hidden;
}

.explanation-index-list ul {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.explanation-index-list li {
  padding: 0.7rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition-smooth);
}

.explanation-index-list li:last-child {
  border-bottom: none;
}

.explanation-index-list li:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  padding-left: 1.25rem;
}

.explanation-index-list li.active {
  background: rgba(255, 56, 56, 0.08);
  color: var(--apple-red);
  border-left: 4px solid var(--apple-red);
  padding-left: 1.25rem;
}

.index-num {
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.1);
  font-weight: 700;
}

.explanation-index-list li.active .index-num {
  color: var(--apple-red);
}

.explanation-display-box {
  min-height: 380px;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  border-left: 4px solid var(--apple-red);
}

.display-content-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  opacity: 1;
  transition: opacity 0.3s ease-in-out;
}

.display-top-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 56, 56, 0.08);
  padding: 0.25rem 0.8rem;
  border-radius: 30px;
  width: fit-content;
}

.display-top-badge i {
  font-size: 0.8rem;
  color: var(--apple-red);
}

.display-top-badge span {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--apple-red);
}

.explanation-display-box h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.display-text-body {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.display-text-body p {
  margin-bottom: 1rem;
}

.display-text-body ul, .display-text-body ol {
  margin-left: 1.25rem;
  margin-bottom: 1rem;
}

.display-text-body li {
  margin-bottom: 0.45rem;
}

.display-text-body strong {
  color: var(--apple-red);
}

.fade-out {
  opacity: 0;
}

/* Floating Navigator */
.floating-navigator {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 100;
}

.floating-buttons-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-float {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-premium);
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.btn-float:hover {
  background: var(--apple-red);
  border-color: var(--apple-red);
  color: #fff;
  transform: translateY(-2px);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Responsive Queries */
@media (max-width: 992px) {
  .battle-split-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .explanation-layout {
    grid-template-columns: 1fr;
  }

  .explanation-index-list ul {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .explanation-index-list li {
    flex: 1 1 180px;
  }
  
  .guide-quick-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .main-header {
    margin: 0.5rem;
    padding: 0.5rem 1.1rem;
  }
  
  .logo-text {
    display: none;
  }
  
  .lobby-title {
    font-size: 2.2rem;
  }
  
  .primary-row {
    grid-template-columns: 1fr;
  }

  .scoreboard-banner {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
  }
}