@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&family=Jua&display=swap');

:root {
  /* Colors from DESIGN.md */
  --primary: #f59e0b; 
  --primary-hover: #fbbf24;
  --primary-shadow: #d97706;
  
  --secondary: #3b82f6;
  --secondary-hover: #60a5fa;
  
  --danger: #ef4444;
  --danger-hover: #f43f5e;
  
  --success: #10b981;
  --success-hover: #34d399;
  
  --bg-gradient: linear-gradient(135deg, #0b0f19 0%, #111827 50%, #1e1b4b 100%);
  
  /* Glassmorphism Specs */
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-panel: rgba(15, 23, 42, 0.65);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-drag: none;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

h1, h2, h3, .font-jua {
  font-family: 'Jua', sans-serif;
  letter-spacing: 1px;
}

/* ==========================================================================
   APP CONTAINER
   ========================================================================== */
#app-container {
  width: 95vw;
  height: 92vh;
  max-width: 1200px;
  max-height: 850px;
  background: var(--glass-panel);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(120%);
  -webkit-backdrop-filter: blur(20px) saturate(120%);
  border-radius: 28px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* View transition */
.view {
  display: none;
  flex: 1;
  flex-direction: column;
  padding: 2.2rem;
  width: 100%;
  height: 100%;
  animation: viewFadeIn 0.5s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.view.active {
  display: flex;
}

@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   BUTTONS (with Shimmer effect)
   ========================================================================== */
.btn {
  font-family: 'Jua', sans-serif;
  font-size: 1.45rem;
  padding: 0.95rem 2.8rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-shadow) 100%);
  color: #fff;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
}

/* Shimmer Light effect */
.btn::after {
  content: '';
  position: absolute;
  top: -50%; left: -60%;
  width: 30%; height: 200%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
  transform: rotate(25deg);
  transition: none;
  opacity: 0;
}

.btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 10px 25px rgba(245, 158, 11, 0.55);
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);
}

.btn:hover::after {
  left: 140%;
  opacity: 1;
  transition: all 0.8s ease-in-out;
}

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

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: none;
  font-size: 1.1rem;
  padding: 0.7rem 1.8rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.3);
}

/* ==========================================================================
   1. HOME VIEW (Main Menu)
   ========================================================================== */
#home-view {
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 1.8rem;
}

.main-title {
  font-size: 4.8rem;
  background: linear-gradient(to right, #fbbf24, #f59e0b, #ef4444);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 4px 20px rgba(245, 158, 11, 0.25);
  margin-bottom: 0.4rem;
  animation: titleFloat 3s infinite ease-in-out;
}

@keyframes titleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.sub-title {
  font-size: 1.3rem;
  color: var(--text-muted);
  font-weight: 300;
}

.hero-graphic {
  position: relative;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.22) 0%, transparent 70%);
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
}

.hero-graphic img {
  width: 155px;
  height: 155px;
  object-fit: contain;
  animation: heroFloat 3.5s infinite ease-in-out;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(6deg); }
}

/* Instruction board */
.instruction-box {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 1.3rem;
  border-radius: 18px;
  text-align: left;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.instruction-box h3 {
  color: var(--primary-hover);
  margin-bottom: 0.6rem;
  font-size: 1.15rem;
}

.instruction-box ul {
  list-style: none;
}

.instruction-box li {
  margin-bottom: 0.45rem;
  padding-left: 1.4rem;
  position: relative;
  font-size: 0.92rem;
  color: #e2e8f0;
}

.instruction-box li::before {
  content: '🐾';
  position: absolute;
  left: 0;
  font-size: 0.85rem;
}

/* ==========================================================================
   2. STAGE MAP VIEW
   ========================================================================== */
#map-view {
  justify-content: space-between;
}

.map-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.map-title {
  font-size: 2.2rem;
  color: var(--primary);
  text-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}

.map-viewport-wrapper {
  flex: 1;
  width: 100%;
  overflow-y: auto;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.4);
  scrollbar-width: thin;
  scrollbar-color: var(--primary) #070b19;
  position: relative;
}

.map-container {
  width: 100%;
  height: 4800px;
  position: relative;
  background: radial-gradient(circle at center, rgba(30, 27, 75, 0.45) 0%, transparent 85%);
}

.map-path-svg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0; left: 0;
  z-index: 1;
  pointer-events: none;
}

.map-path-line {
  fill: none;
  stroke: rgba(96, 165, 250, 0.22);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 12 10;
  animation: mapPathAnim 30s linear infinite;
}

@keyframes mapPathAnim {
  to { stroke-dashoffset: -500; }
}

.stages-grid {
  display: flex;
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 2;
}

.stage-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.stage-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.7);
  border: 3px solid var(--glass-border);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  color: var(--text-muted);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.stage-circle::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

/* Stage status colors & hovers */
.stage-node.unlocked .stage-circle {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(245, 158, 11, 0.08);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.2);
}

.stage-node.unlocked:hover .stage-circle {
  transform: scale(1.15);
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.5);
  border-color: var(--primary-hover);
}

.stage-node.unlocked:hover .stage-circle::before {
  opacity: 1;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.35) 0%, transparent 70%);
}

.stage-node.completed .stage-circle {
  border-color: var(--success);
  color: var(--success);
  background: rgba(16, 185, 129, 0.1);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

.stage-node.completed:hover .stage-circle {
  transform: scale(1.15);
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.5);
  border-color: var(--success-hover);
}

.stage-node.completed:hover .stage-circle::before {
  opacity: 1;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.35) 0%, transparent 70%);
}

.stage-node.locked {
  cursor: not-allowed;
  opacity: 0.45;
}

.stage-node.locked .stage-circle::after {
  content: '🔒';
  position: absolute;
  font-size: 1.3rem;
  background: rgba(15, 23, 42, 0.75);
  width: 100%; height: 100%;
  display: flex; justify-content: center; align-items: center;
  top: 0; left: 0;
}

.stage-info {
  text-align: center;
  background: rgba(15, 23, 42, 0.7);
  padding: 0.3rem 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 10px rgba(0,0,0,0.25);
  min-width: 110px;
}

.stage-number {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.stage-name {
  font-size: 0.98rem;
  font-weight: 600;
  margin-top: 0.15rem;
}

.stage-record {
  font-size: 0.72rem;
  color: var(--success-hover);
  margin-top: 0.1rem;
  height: 1.1em;
}

/* ==========================================================================
   3. GAMEPLAY VIEW
   ========================================================================== */
#game-view {
  padding: 0.8rem;
}

.game-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0.6rem 1.2rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  margin-bottom: 0.6rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  z-index: 10;
}

.hud-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.hud-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
}

.hud-value {
  color: #fff;
}

#timer-val {
  font-family: monospace;
  font-size: 1.35rem;
}

#timer-val.warning {
  color: var(--danger);
  animation: timerPulse 0.5s infinite alternate ease-in-out;
}

@keyframes timerPulse {
  from { transform: scale(1); filter: drop-shadow(0 0 2px rgba(239, 68, 68, 0.2)); }
  to { transform: scale(1.12); filter: drop-shadow(0 0 8px rgba(239, 68, 68, 0.6)); }
}

.hearts-container {
  display: flex;
  gap: 0.2rem;
}

.heart {
  font-size: 1.3rem;
  color: var(--danger);
  filter: drop-shadow(0 2px 5px rgba(239, 68, 68, 0.3));
  transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.3);
}

.heart.lost {
  opacity: 0.15;
  transform: scale(0.65) rotate(-25deg);
  filter: none;
}

.control-bar {
  display: flex;
  gap: 0.6rem;
}

.ctrl-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: #fff;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.15rem;
  transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.25);
}

.ctrl-btn:active {
  transform: translateY(0);
}

#hint-btn {
  width: auto;
  padding: 0 0.95rem;
  font-family: 'Jua', sans-serif;
  gap: 0.4rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(30, 64, 175, 0.3) 100%);
  border-color: rgba(96, 165, 250, 0.3);
}

#hint-btn:hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.35) 0%, rgba(30, 64, 175, 0.45) 100%);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

#hint-btn.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  background: var(--glass-bg);
  border-color: var(--glass-border);
  box-shadow: none;
  transform: none;
}

/* Game viewport for scroll */
.game-viewport {
  flex: 1;
  width: 100%;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  background: #060813;
  overflow: auto;
  position: relative;
  cursor: grab;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) #070b19;
}

.game-viewport:active {
  cursor: grabbing;
}

.game-canvas-container {
  position: relative;
  transform-origin: top left;
  transition: transform 0.1s ease-out;
  display: inline-block;
}

.game-bg-image {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* Target Overlay styling */
.target-dog-overlay {
  position: absolute;
  cursor: pointer;
  z-index: 5;
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  display: flex;
  justify-content: center;
  align-items: center;
}

.target-dog-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

/* Click effects */
.wrong-click-indicator {
  position: absolute;
  width: 44px;
  height: 44px;
  border: 3.5px solid var(--danger-hover);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: rippleWrong 0.75s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
}

@keyframes rippleWrong {
  0% { transform: translate(-50%, -50%) scale(0.2); opacity: 1; box-shadow: 0 0 0px var(--danger-hover); }
  100% { transform: translate(-50%, -50%) scale(1.6); opacity: 0; border-width: 1px; box-shadow: 0 0 10px transparent; }
}

.hint-indicator-ring {
  position: absolute;
  border: 4px dashed var(--primary-hover);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 4;
  animation: hintPulseAnim 1.6s infinite linear;
}

@keyframes hintPulseAnim {
  0% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.85; filter: drop-shadow(0 0 2px var(--primary-hover)); }
  50% { transform: translate(-50%, -50%) scale(1.08); opacity: 0.35; filter: drop-shadow(0 0 12px var(--primary-hover)); }
  100% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.85; filter: drop-shadow(0 0 2px var(--primary-hover)); }
}

.flash-danger {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(239, 68, 68, 0.16);
  pointer-events: none;
  z-index: 100;
  opacity: 0;
  animation: flashRedAnim 0.35s ease-out;
}

@keyframes flashRedAnim {
  0% { opacity: 0; }
  45% { opacity: 1; }
  100% { opacity: 0; }
}

/* ==========================================================================
   4. MODALS AND POPUPS
   ========================================================================== */
.modal-overlay {
  display: none;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(11, 15, 25, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  width: 100%;
  max-width: 480px;
  background: rgba(20, 26, 46, 0.95);
  border: 2px solid var(--glass-border);
  border-radius: 26px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  padding: 2.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  align-items: center;
  animation: modalEnter 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes modalEnter {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-icon {
  font-size: 3.8rem;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,0.25));
}

.modal-title {
  font-size: 2.4rem;
  margin-bottom: 0.15rem;
}

.modal-title.success {
  color: var(--primary-hover);
  text-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}

.modal-title.fail {
  color: var(--danger-hover);
  text-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.modal-body {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.record-notice {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--success);
  color: var(--success-hover);
  padding: 0.5rem 1.2rem;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  margin-top: 0.6rem;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.15);
  animation: pulseLight 1.2s infinite alternate ease-in-out;
}

@keyframes pulseLight {
  from { opacity: 0.75; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1.02); }
}

/* Success Celebration Goldie Sprite */
.success-dog-celebration {
  width: 130px;
  height: 130px;
  background: url('assets/goldie_sprite.png') no-repeat center;
  background-size: contain;
  margin: 0.6rem 0;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,0.4));
  animation: dogCelebration 1.4s infinite cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes dogCelebration {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-22px) rotate(-8deg); }
  50% { transform: translateY(0) rotate(8deg); }
  75% { transform: translateY(-10px) rotate(-4deg); }
}