:root{
    --bg: #f8fafc; 
    --panel: #ffffff; 
    --accent: #2563eb; 
    --muted: #64748b;
    --dot: #1e40af; 
    --dot-inner: #eff6ff; 
    --ghost: rgba(59, 130, 246, 0.4);
    --final: rgba(30, 41, 59, 1); 
    --hint: rgba(100, 116, 139, 0.3);
    --connection: rgba(148, 163, 184, 0.3);
    --success: #16a34a;
    --border: #e2e8f0;
  }
  *{box-sizing:border-box}
  html,body{height:100%;margin:0;font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial; background:#fff; overflow:hidden}
  .wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:0 }
  .container{width:100%;max-width:none;height:100vh}
  header{display:flex;align-items:center;justify-content:space-between;padding:8px 6px;border-bottom:1px solid var(--border);margin-bottom:16px}
  .left,.center,.right{display:flex;align-items:center;gap:10px}
  .pill{background:#dbeafe;padding:8px 16px;border-radius:999px;font-weight:700;color:#1e40af;box-shadow:0 2px 6px rgba(0,0,0,0.06);font-size:14px}
  .level-title{font-weight:990;letter-spacing:0.5px;font-size:24px;color:#1e293b}
  .stars{display:flex;gap:6px}
  .star{width:29px;height:29px;border-radius:6px; display:grid;place-items:center;background:#ece286;border:2px solid var(--border);font-size:18px}
  .star.filled{color:#f59e0b;text-shadow:0 0 1px rgba(0,0,0,0.2)}
  .panel{background:var(--panel);border-radius:0;padding:0;box-shadow:none;border:none;width:100%;height:100%}
  .game-row{display:flex;gap:0;align-items:flex-start;width:100%;height:100%}
  #board{background:transparent;border-radius:10px;display:block;touch-action:none;position:relative}
  .sidebar{width:60px;display:flex;flex-direction:column;gap:8px}
  .sidebarleft{width:60px;display:flex;flex-direction:column;gap:16px}
  .btn{padding:5px 5px;border-radius:15px;background:#4BB8E9;border:3px solid #1e293b;cursor:pointer;font-weight:650;transition:all .18s;color:#ffffff;font-size:18px;display:flex;align-items:center;justify-content:center;gap:7px}
  .small{font-weight:950;font-size:22px;color:#27139c}
  footer{display:flex;justify-content:space-between;padding:10px 0;color:var(--muted);font-size:13px;margin-top:16px;border-top:1px solid var(--border)}
  #levelSelect{position:fixed;inset:0;background:rgba(0, 0, 0, 0);display:none;align-items:center;justify-content:center;z-index:60}
  .levels-card{background:#416787;border-radius:12px;padding:24px;max-width:880px;width:92%;max-height:80vh;overflow:auto;box-shadow:0 10px 40px rgba(0,0,0,0.2);border:1px solid var(--border)}
  .level-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(72px,1fr));gap:10px;margin-top:16px}
  .lvl-btn{padding:12px;border-radius:8px;background:#2563eb;color:#fff;border:none;cursor:pointer;font-weight:700;font-size:15px;transition:all 0.15s}
  .lvl-btn:hover:not(.locked){background:#1d4ed8;transform:translateY(-2px)}
  .lvl-btn.locked{background:#94a3b8;opacity:.8;cursor:not-allowed}
  .lvl-btn.completed{background:var(--success)}
  .toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(30, 41, 59, 0.92);
    color: #fff;
    padding: 10px 18px;
    border-radius: 8px;
    z-index: 99;
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
    font-weight: 500;
    
    width: auto;
    min-width: auto;
    max-width: 85vw;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
    font-size: 14px;
    line-height: 1.3;
    
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }
  .modal{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,0.45);
    display:none;align-items:center;
    justify-content:center;
    z-index:70
  }
  .modal-content{
    background:#416787;
    padding:24px;border-radius:12px;
    max-width:420px;width:90%;
    box-shadow:0 10px 40px rgba(0,0,0,0.2);
    border:1px solid var(--border)
  }
  .setting-row{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin:14px 0
  }
  .switch{position:relative;display:inline-block;width:50px;height:24px}
  .switch input{opacity:0;width:0;height:0}
  .slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:#ccc;border-radius:24px;transition:.4s}
  .slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.4s}
  input:checked + .slider{background:var(--accent)}
  input:checked + .slider:before{transform:translateX(26px)}
  @media(max-width:600px){.level-title{font-size:18px}.pill{padding:6px 12px;font-size:13px}.star{width:22px;height:22px;font-size:12px}}
  #stage{
    position: fixed;
    left: 0; top: 0;
    transform-origin: 0 0;
    width: max-content;
    height: max-content;
  }

  html, body { overflow: hidden; }

  .game-row > div[style*="flex:1"] {
  position: relative;
}

.left,
.center {
  position: absolute;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
}

.left {
  top: 12px;
  left: 12px;
}
.center {
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
}

.pill, .level-title {
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(4px);
  border-radius: 8px;
  padding: 4px 10px;
}

.btn {
  width: 50px;
  height: 50px;
  justify-content: center;
  text-align: center;
}

.btn img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

#languageRow #langBtn img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: filter 0.2s ease, transform 0.2s ease;
}

#languageRow #langBtn {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease;
}

#languageRow #langBtn:hover img {
  filter: brightness(1.1) drop-shadow(0 0 8px rgba(255,255,255,0.4));
  transform: scale(1.05);
}

#languageRow #langBtn:active img {
  transform: scale(0.95);
  filter: brightness(0.9);
}

.hud { position:absolute; z-index:10; display:flex; }
.sidebar-wrap {
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
}

.sidebar{
  width:60px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(4px);
  padding:10px;
  border-radius:12px;

  transform-origin:right center;
  transform: scale(var(--sb-scale, 1));
}

.canvas-holder { position: relative; }

@media (orientation: landscape) and (max-height: 540px) {
  .wrap { padding: 0; }
  .panel { padding: 0; border: 0; box-shadow: none; }
  .container { max-width: none; }
  .game-row { gap: 0; }

  .hud.left { top: 8px; left: 8px; }
  .level-title, .pill {
    padding: 4px 8px;
    background: rgba(255,255,255,0.65);
    backdrop-filter: blur(4px);
    border-radius: 8px;
  }

  .sidebar-wrap { right: 8px; top: 50%; transform: translateY(-50%); }
  .sidebar { padding: 8px; gap: 6px; }
  .btn { width: 50px; height: 50px;}
}

@media (orientation: landscape) and (max-height: 420px) {
  .sidebar { transform: scale(0.9); transform-origin: right center; }
  .level-title, .pill { font-size: 14px; }
}

:root { --sb-outer: 0px; }

.hud.center {
  right: auto;
  top: 8px;
  z-index: 11;
}

.hud.center h3 {
  font-size: 20px;
  margin: 0;
}

.hud.center {
  transition: opacity 0.8s ease;
  opacity: 1;
}

.hud.center.hidden {
  opacity: 0;
}

@media (min-width: 768px) {
  .hud.center h3 {
    font-size: 28px;
  }
}

.hud.left { top: 8px; left: 8px; }

.hud.sidebar-wrap { right: 12px; top: 50%; transform: translateY(-50%); z-index: 10; }

@media (orientation: landscape) {
  .wrap { padding: 0 !important; }
  .panel { padding: 0 !important; }
  .canvas-holder { padding: 0 !important; }
}

html {
  width: 100%;
  height: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  position: fixed;
  -webkit-text-size-adjust: 100%;
}

body {
  width: 100%;
  height: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  position: fixed;
  margin: 0;
  padding: 0;
}

body {
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
}

#stage {
  position: fixed;
  left: 0;
  top: 0;
  transform-origin: 0 0;
  width: max-content;
  height: max-content;
  will-change: transform;
  display: none;
}

.canvas-holder {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 !important;
}

#board {
  display: block;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

@media (orientation: landscape) and (max-height: 600px) {
  html, body {
    height: 100vh !important;
    height: 100dvh !important;
  }
  
  .wrap {
    padding: 0 !important;
    min-height: 100vh !important;
    height: 100vh !important;
    height: 100dvh !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
  }
  
  .container {
    width: 100% !important;
    max-width: none !important;
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
  }
  
  .panel {
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background: var(--panel) !important;
    width: 100% !important;
    height: 100% !important;
    flex: 1 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  .game-row {
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
  }
  
  .container {
    max-width: none !important;
    width: 100% !important;
  }
  
  .game-row {
    gap: 0 !important;
    margin: 0 !important;
  }
  
  .hud.left {
    top: 4px;
    left: 4px;
  }
  
  .sidebar-wrap {
    right: 4px;
  }
  
  .pill, .level-title {
    padding: 3px 8px;
    font-size: 12px;
    background: rgba(255,255,255,0.75);
  }
  
  .level-title {
    font-size: 16px;
  }
  
  .sidebar {
    padding: 6px;
    gap: 4px;
  }
  
  /* .btn {
    width: 44px;
    padding: 6px 8px;
    font-size: 14px;
  } */
}

@media (orientation: landscape) and (max-height: 420px) {
  .sidebar {
    transform: scale(0.85);
    padding: 4px;
    gap: 3px;
  }
  
  /* .btn {
    width: 40px;
    padding: 5px 6px;
    font-size: 13px;
  } */
  
  .pill, .level-title {
    font-size: 11px;
    padding: 2px 6px;
  }
}

.modal-content, .levels-card {
  max-height: 85vh;
  max-height: 85dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 600px) {
  .modal-content, .levels-card {
    width: 95%;
    max-width: 95%;
    padding: 16px;
  }
  
  .level-grid {
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 8px;
  }
  
  .lvl-btn {
    padding: 10px;
    font-size: 14px;
  }
}

@media (max-width: 600px) {
  .toast {
    font-size: 13px;
    padding: 8px 16px;
    max-width: 80vw;
  }
}

@media (orientation: landscape) and (max-height: 600px) {
  .toast {
    font-size: 12px;
    padding: 6px 14px;
    max-width: 75vw;
    line-height: 1.2;
  }
}

@media (orientation: landscape) and (max-height: 420px) {
  .toast {
    font-size: 11px;
    padding: 5px 12px;
    max-width: 70vw;
  }
}

#startMenu {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: url("../img/splash.png") center / cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

#startMenu::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(0px);
  opacity: 0;
  transition: backdrop-filter 1s ease, opacity 1s ease;
}

.menu-content {
  position: relative;
  z-index: 61;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  padding: 40px;
}

.menu-logo {
  max-width: 400px;
  width: 90%;
  height: auto;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
  animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.menu-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 280px;
}

.menu-btn {
  padding: 16px 32px;
  border-radius: 16px;
  background: linear-gradient(135deg, #4682b4 0%, #416787 100%);
  border: 3px solid #ffffff;
  cursor: pointer;
  font-weight: 700;
  font-size: 24px;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.2s;
  box-shadow: 0 6px 20px rgba(75, 184, 233, 0.4);
  position: relative;
  overflow: hidden;
}

.menu-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.menu-btn:hover::before {
  width: 300px;
  height: 300px;
}

.menu-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(75, 184, 233, 0.6);
}

.menu-btn:active {
  transform: translateY(-2px);
}

@media (max-width: 600px) {
  .menu-logo {
    max-width: 280px;
  }
  
  .menu-buttons {
    min-width: 240px;
  }
  
  .menu-btn {
    font-size: 20px;
    padding: 14px 28px;
  }
  
  .menu-content {
    gap: 30px;
    padding: 20px;
  }
}

@media (orientation: landscape) and (max-height: 500px) {
  .menu-content {
    flex-direction: row;
    gap: 40px;
  }
  
  .menu-logo {
    max-width: 250px;
  }
  
  .menu-buttons {
    min-width: 220px;
  }
  
  .menu-btn {
    font-size: 18px;
    padding: 12px 24px;
  }
}

.wide-btn {
  display: block;
  width: 90%;
  margin: 8px auto;
  padding: 10px 0;
  font-size: 1.1em;
  border-radius: 8px;
  background-color: #3498db;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.wide-btn:hover {
  background-color: #2980b9;
  transform: scale(1.02);
}

.wide-btn:active {
  transform: scale(0.98);
}

#startMenu:not(.show-menu) .menu-buttons {
  opacity: 0;
  pointer-events: none;
}

#startMenu:not(.show-menu) .menu-logo {
  transform: translateY(0);
  transition: transform 0.8s ease, opacity 0.8s ease;
}

#startMenu.show-menu .menu-logo {
  transform: translateY(-100px);
}

#startMenu.show-menu .menu-buttons {
  opacity: 1;
  pointer-events: all;
  transition: opacity 1s ease 0.2s;
}

#startMenu.show-menu::before {
  opacity: 1;
  backdrop-filter: blur(2px);
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.08);
    background: #dbeafe;
    color: #000000;
  }

  .btn.secondary{
    background:#3498db;
    color:#475569}
  
  .lvl-btn:hover:not(.locked) {
    background: #1d4ed8;
    transform: translateY(-2px);
  }
  
  .menu-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(75, 184, 233, 0.6);
  }
  
  .menu-btn:hover::before {
    width: 300px;
    height: 300px;
  }
  
  .wide-btn:hover {
    background-color: #2980b9;
    transform: scale(1.02);
  }
}

@media (hover: none) {
  .btn:active {
    transform: translateY(-2px);
    background: #dbeafe;
    color: #000000;
  }
  
  .lvl-btn:active:not(.locked) {
    background: #1d4ed8;
  }
}

.modal-content span{
  color: white;
  font-size: 20px;
  font-weight: 600;
}

.modal-content li{
  color: white;
  font-size: 20px;
  font-weight: 600;
}

.modal-content h3 {
  color: white;
  font-size: 25px;
  font-weight: 800;
  text-decoration: underline white;
}

#selectHint {
  color: white;
  font-size: 25px;
  font-weight: 600;
}

/* #helpModal .modal-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #416787;
  box-sizing: border-box;
  text-align: left;
  min-width: 50%;
  min-height: 50%;
  max-width: 420px;
  padding: 40px 20px;
  position: relative;
  transform-origin: top center;
  overflow: hidden;
} */

.levels-card h3 {
  color: white;
  font-size: 25px;
  font-weight: 800;
  text-decoration: underline white;
}

#helpModal h3 {
  color: white;
  font-size: 40px;
  font-weight: bold;
  text-align: center;
  margin: 0;
  flex: 0 0 auto;
}

#devModal .modal-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #416787;
  box-sizing: border-box;
  text-align: center;
  min-width: 50%;
  min-height: 50%;
  padding: 40px 20px;
  position: relative;
  transform-origin: top center;
  overflow: hidden;
}

#devModal h3 {
  color: white;
  font-size: 40px;
  font-weight: bold;
  margin: 0;
  flex: 0 0 auto;
}

#devModal .dev-image {
  flex: 1 1 auto;
  max-width: 100%;
  max-height: 80%;
  object-fit: contain;
  margin: 10px 0;
}

#closeDev {
  position: absolute;
  top: 10px;
  right: 10px;
}

@media (max-width: 600px) {
  #devModal .modal-content {
    padding: 12px;
  }

  #devModal h3 {
    font-size: 24px;
  }
}



.orientation-msg-container{
    width: 100%;
    height: 100%;
    display: none;
    position: fixed;
    background-color: #000;
    z-index: 200;
    
}

#fullscreenRow .setting-row{
  display: flex;
}

#winTitle {
  text-align: center;
}

#win {
  text-align: center;
  margin: 10px 0;
}

button,
a,
input,
label {
  -webkit-tap-highlight-color: transparent;
  -webkit-focus-ring-color: transparent;
  outline: none;
}

@font-face {
      font-family: 'neucha';
      src: url('fonts/neucha2.woff2') format('woff2'),
           url('fonts/neucha.woff') format('woff');
      font-weight: normal;
      font-style: normal;
   
   }

* {
  font-family: 'neucha', sans-serif;
}

.setting-row span {
    font-size: 20px;
  }