/* CineAHO Premium Marble Roulette Stylesheet */

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

  /* Theme Core - Dark Glassmorphism */
  --bg-color: #040712;
  --bg-grid: rgba(255, 255, 255, 0.015);
  
  --panel-bg: rgba(10, 16, 32, 0.6);
  --panel-border: rgba(255, 255, 255, 0.05);
  --panel-hover-border: rgba(168, 85, 247, 0.35); /* Purple Highlight */
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #475569;
  
  /* Gradation Accents */
  --grad-purple: linear-gradient(135deg, #a855f7 0%, #7e22ce 100%);
  --grad-blue: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --grad-cyan: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  --grad-green: linear-gradient(135deg, #10b981 0%, #047857 100%);
  --grad-gold: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  --grad-red: linear-gradient(135deg, #f43f5e 0%, #be123c 100%);

  --neon-glow: 0 0 30px rgba(168, 85, 247, 0.25);
  --font-main: 'Noto Sans KR', 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 12px 40px 0 rgba(0, 0, 0, 0.6);
}

/* 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(150px);
  z-index: -3;
  pointer-events: none;
  opacity: 0.18;
}

.bg-glow-purple {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #7e22ce 0%, transparent 70%);
  top: -100px;
  left: 5%;
}

.bg-glow-blue {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #1d4ed8 0%, transparent 70%);
  top: 35%;
  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(10, 16, 32, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.logo-circle {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #a855f7 0%, #7e22ce 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(168, 85, 247, 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: #a855f7;
  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: #a855f7;
  transform: translateX(-2px);
}

/* Glass Panels common */
.glass-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: var(--panel-hover-border);
}

/* Layout container */
.marble-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.marble-header-section {
  text-align: center;
}

.main-title {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
  letter-spacing: -0.5px;
}

.main-title span {
  background: linear-gradient(135deg, #a855f7 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-title i {
  color: #a855f7;
  margin-right: 0.5rem;
}

.subtitle-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 850px;
  margin: 0 auto 1.25rem auto;
  line-height: 1.6;
}

.tag-badges {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.25rem 0.75rem;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.badge-tag {
  background: rgba(168, 85, 247, 0.05);
  border-color: rgba(168, 85, 247, 0.12);
  color: #c084fc;
}

/* Simulation columns grid split */
.simulation-workspace {
  display: grid;
  grid-template-columns: 180px 1fr 300px;
  gap: 1.5rem;
  align-items: start;
}

.panel-column {
  display: flex;
  flex-direction: column;
}

.panel-card {
  height: 520px;
  display: flex;
  flex-direction: column;
}

.panel-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.85rem 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.panel-header h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.panel-header h4 i {
  color: #a855f7;
}

/* Minimap Col */
.minimap-card {
  padding: 0;
  overflow: hidden;
}

.minimap-card .canvas-container {
  flex-grow: 1;
  position: relative;
  background-color: #020408;
}

#minimap-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Main Viewport Col */
.viewport-card {
  padding: 0;
  overflow: hidden;
}

.viewport-info-bar {
  display: flex;
  gap: 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
}

.viewport-info-bar span {
  background: rgba(255,255,255,0.03);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.05);
}

.viewport-card .canvas-container {
  flex-grow: 1;
  position: relative;
  background-color: #000;
  overflow: hidden;
}

#main-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Leaderboard Col */
.leaderboard-card {
  padding: 0;
}

.leaderboard-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 0.75rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.leaderboard-body::-webkit-scrollbar {
  width: 5px;
}
.leaderboard-body::-webkit-scrollbar-thumb {
  background-color: rgba(255,255,255,0.1);
  border-radius: 3px;
}

.leaderboard-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.empty-list-msg {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 3rem 1rem;
}

.rank-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-left: 3.5px solid transparent;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.rank-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

.rank-item-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}

.rank-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  width: 20px;
  flex-shrink: 0;
}

.rank-item.rank-first .rank-num {
  color: #fcc419; /* Gold 1st */
}

.rank-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-item-right {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.rank-badge-skill {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  color: #fff;
  background: #a855f7;
}

.rank-dist {
  font-size: 0.7rem;
  font-family: monospace;
  color: var(--text-muted);
}

/* -------------------------------------------------------------
   CONTROL OVERLAY PANEL
   ------------------------------------------------------------- */
.control-overlay-section {
  width: 100%;
}

.control-panel-card {
  padding: 1.25rem 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
}

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

.control-col label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
}

#names-input {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  color: #fff;
  font-family: var(--font-main);
  font-size: 0.8rem;
  line-height: 1.4;
  height: 75px;
  resize: none;
  outline: none;
  width: 100%;
  transition: var(--transition-smooth);
}

#names-input:focus {
  border-color: #a855f7;
  box-shadow: var(--neon-glow);
}

.control-row-buttons {
  display: flex;
  gap: 0.5rem;
}

.control-row-buttons button {
  flex: 1;
}

/* Form layouts */
.form-row {
  display: flex;
  gap: 0.75rem;
}

.form-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.dropdown-select {
  appearance: none;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.45rem 1.8rem 0.45rem 0.8rem;
  border-radius: 6px;
  color: #fff;
  font-size: 0.78rem;
  font-family: var(--font-main);
  outline: none;
  cursor: pointer;
  width: 100%;
}

.dropdown-select:focus {
  border-color: #a855f7;
}

/* Winner Selector */
.winner-selector-row {
  display: flex;
  gap: 0.35rem;
}

.winner-selector-row select {
  flex-grow: 1;
}

.winner-selector-row input[type="number"] {
  width: 48px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  color: #fff;
  padding: 0.15rem;
  text-align: center;
  outline: none;
}

/* Toggle Switches styling */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-toggle {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: .3s;
  border-radius: 24px;
}

.slider-toggle:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: #94a3b8;
  transition: .3s;
  border-radius: 50%;
}

.toggle-switch input:checked + .slider-toggle {
  background-color: rgba(168, 85, 247, 0.2);
  border-color: #a855f7;
}

.toggle-switch input:checked + .slider-toggle:before {
  transform: translateX(22px);
  background-color: #c084fc;
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.8);
}

/* Buttons style */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, #a855f7 0%, #7e22ce 100%);
  color: #fff;
  box-shadow: 0 4px 10px rgba(168, 85, 247, 0.25);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 15px rgba(168, 85, 247, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #a855f7;
  color: #fff;
}

/* -------------------------------------------------------------
   EXPLANATION GUIDE SECTION
   ------------------------------------------------------------- */
.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 #a855f7;
  padding-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.explanation-board-section .board-header i {
  font-size: 1.25rem;
  color: #a855f7;
}

.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: #fff;
}

.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(0, 0, 0, 0.15);
  border: 1px solid rgba(255,255,255,0.04);
  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 rgba(255,255,255,0.03);
  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, 0.02);
  color: var(--text-main);
  padding-left: 1.25rem;
}

.explanation-index-list li.active {
  background: rgba(168, 85, 247, 0.1);
  color: #fff;
  border-left: 4px solid #a855f7;
  padding-left: 1.25rem;
}

.index-num {
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.08);
  font-weight: 700;
}

.explanation-index-list li.active .index-num {
  color: #a855f7;
}

.explanation-display-box {
  min-height: 380px;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  border-left: 4px solid #c084fc;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.45) 0%, rgba(15, 23, 42, 0.6) 100%);
}

.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(168, 85, 247, 0.12);
  padding: 0.25rem 0.8rem;
  border-radius: 30px;
  width: fit-content;
}

.display-top-badge i {
  font-size: 0.8rem;
  color: #c084fc;
}

.display-top-badge span {
  font-size: 0.72rem;
  font-weight: 700;
  color: #c084fc;
}

.explanation-display-box h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.display-text-body {
  font-size: 0.92rem;
  color: #e2e8f0;
  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: #c084fc;
}

.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(10, 16, 32, 0.8);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.btn-float:hover {
  background: #a855f7;
  border-color: #a855f7;
  color: #fff;
  transform: translateY(-2px);
}

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

/* Responsive Queries */
@media (max-width: 992px) {
  .simulation-workspace {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .panel-card {
    height: 400px;
  }
  
  .control-panel-card {
    grid-template-columns: 1fr;
  }

  .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;
  }
  
  .main-title {
    font-size: 1.6rem;
  }
  
  .viewport-info-bar {
    display: none;
  }
}