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

body {
    font-family: 'Comic Neue', cursive;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

/* Screen Management */
.screen {
    display: none;
    min-height: 100vh;
    width: 100%;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

/* Casino Animations */
@keyframes casino-glow {
    0%, 100% { 
        text-shadow: 
            0 0 5px #fff,
            0 0 10px #fff,
            0 0 15px #ff00de,
            0 0 20px #ff00de,
            0 0 35px #ff00de,
            0 0 40px #ff00de;
    }
    50% { 
        text-shadow: 
            0 0 2px #fff,
            0 0 5px #fff,
            0 0 8px #ff00de,
            0 0 12px #ff00de,
            0 0 18px #ff00de,
            0 0 25px #ff00de;
    }
}

@keyframes casino-pulse {
    0% { 
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.7);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 30px rgba(255, 215, 0, 1);
        transform: scale(1.05);
    }
    100% { 
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.7);
        transform: scale(1);
    }
}

@keyframes neon-border {
    0%, 100% { 
        border-color: #ff00de;
        box-shadow: 0 0 15px #ff00de;
    }
    33% { 
        border-color: #00ff00;
        box-shadow: 0 0 15px #00ff00;
    }
    66% { 
        border-color: #ffff00;
        box-shadow: 0 0 15px #ffff00;
    }
}

@keyframes slot-machine {
    0% { transform: translateY(0px); }
    25% { transform: translateY(-10px); }
    50% { transform: translateY(0px); }
    75% { transform: translateY(-5px); }
    100% { transform: translateY(0px); }
}

/* Start Screen */
#startScreen {
    background: linear-gradient(45deg, #8B5CF6, #EC4899, #F59E0B);
    justify-content: center;
    align-items: center;
    animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background: linear-gradient(45deg, #8B5CF6, #EC4899, #F59E0B); }
    50% { background: linear-gradient(45deg, #EC4899, #F59E0B, #8B5CF6); }
}

.start-container {
    text-align: center;
    max-width: 90%;
}

.game-title {
    font-family: 'Fredoka One', cursive;
    font-size: clamp(2.5rem, 8vw, 4rem);
    color: white;
    margin-bottom: 1rem;
    text-shadow: 3px 3px 0px rgba(0,0,0,0.3);
}

.title-part {
    display: inline-block;
    margin: 0 0.5rem;
}

.casino-glow {
    animation: casino-glow 2s ease-in-out infinite;
}

.subtitle {
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    color: white;
    margin-bottom: 2rem;
    font-weight: 700;
}

.casino-text {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.start-button {
    background: linear-gradient(45deg, #10B981, #059669);
    border: 3px solid #fff;
    color: white;
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    font-weight: bold;
    padding: clamp(12px, 3vw, 16px) clamp(24px, 6vw, 32px);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Fredoka One', cursive;
    margin-bottom: 1rem;
    animation: casino-pulse 2s ease-in-out infinite;
}

.start-button:hover, .start-button:active {
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(255, 215, 0, 1);
}

.parent-button {
    background: transparent;
    border: none;
    color: white;
    font-size: 0.9rem;
    text-decoration: underline;
    cursor: pointer;
    transition: color 0.3s ease;
}

.parent-button:hover {
    color: #F59E0B;
}

/* Game Header */
.game-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.header-title {
    font-family: 'Fredoka One', cursive;
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: #8B5CF6;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.game-stats {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.stat {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
}

.score-stat {
    background: #F59E0B;
    color: #78350F;
}

.level-stat {
    background: #3B82F6;
    color: #1E3A8A;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.lives-container {
    display: flex;
    gap: 0.25rem;
}

.life-heart {
    width: clamp(24px, 5vw, 32px);
    height: clamp(24px, 5vw, 32px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(14px, 3vw, 18px);
    transition: transform 0.3s ease;
}

.life-heart.active {
    background: #EF4444;
    color: white;
    animation: slot-machine 0.5s ease-in-out;
}

.life-heart.inactive {
    background: #D1D5DB;
    color: #6B7280;
}

.stars-container {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: bold;
    font-size: clamp(1rem, 3vw, 1.2rem);
}

.star-icon {
    font-size: clamp(1.2rem, 3.5vw, 1.5rem);
    animation: casino-glow 3s ease-in-out infinite;
}

.learn-mode-btn {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: none;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: clamp(0.8rem, 2vw, 1rem);
}

.learn-mode-btn.active {
    background: #10B981;
    color: white;
    animation: neon-border 2s ease-in-out infinite;
}

.learn-mode-btn:not(.active) {
    background: #D1D5DB;
    color: #374151;
}

/* Game Main Area */
.game-main {
    flex: 1;
    display: flex;
    gap: 1rem;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.game-board-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.game-board {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: clamp(16px, 4vw, 24px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: clamp(4px, 1vw, 8px);
    max-width: min(80vw, 500px);
}

.block {
    width: clamp(32px, 8vw, 48px);
    height: clamp(32px, 8vw, 48px);
    border-radius: 12px;
    border: 2px solid white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(12px, 3vw, 18px);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.block:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s ease;
}

.block:hover:before {
    left: 100%;
}

.block.empty {
    background: #F3F4F6;
    border: 2px dashed #D1D5DB;
    cursor: default;
}

.block.selected {
    transform: scale(1.1);
    animation: casino-pulse 0.5s ease-in-out infinite;
    z-index: 10;
}

.block.animating {
    animation: slot-machine 0.3s ease-in-out;
}

/* Block Colors */
.block.red { background: linear-gradient(135deg, #EF4444, #DC2626); }
.block.blue { background: linear-gradient(135deg, #3B82F6, #2563EB); }
.block.green { background: linear-gradient(135deg, #10B981, #059669); }
.block.yellow { background: linear-gradient(135deg, #F59E0B, #D97706); }
.block.purple { background: linear-gradient(135deg, #8B5CF6, #7C3AED); }
.block.pink { background: linear-gradient(135deg, #EC4899, #DB2777); }
.block.orange { background: linear-gradient(135deg, #F97316, #EA580C); }
.block.cyan { background: linear-gradient(135deg, #06B6D4, #0891B2); }

.educational-tip {
    background: linear-gradient(135deg, #D1FAE5, #A7F3D0);
    border: 2px solid #10B981;
    border-radius: 15px;
    padding: 1rem;
    max-width: 400px;
    text-align: center;
    animation: neon-border 3s ease-in-out infinite;
}

.educational-tip.hidden {
    display: none;
}

.educational-tip h3 {
    color: #065F46;
    margin-bottom: 0.5rem;
    font-family: 'Fredoka One', cursive;
}

.educational-tip p {
    color: #047857;
    font-size: 0.9rem;
}

/* Sidebar */
.sidebar {
    width: clamp(250px, 25vw, 320px);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.casino-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border: 2px solid transparent;
    animation: neon-border 4s ease-in-out infinite;
}

.mascot-panel {
    text-align: center;
}

.mascot-character {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    animation: slot-machine 2s ease-in-out infinite;
}

.mascot-speech {
    background: #F3F4F6;
    border-radius: 10px;
    padding: 0.75rem;
    font-weight: bold;
    color: #374151;
    border: 2px solid #D1D5DB;
}

.powerups-panel h3 {
    text-align: center;
    color: #8B5CF6;
    margin-bottom: 1rem;
    font-family: 'Fredoka One', cursive;
}

.powerup-grid {
    display: grid;
    gap: 0.75rem;
}

.powerup-btn {
    background: linear-gradient(135deg, #8B5CF6, #7C3AED);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 0.75rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Comic Neue', cursive;
}

.powerup-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(139, 92, 246, 0.4);
}

.powerup-btn:active {
    animation: casino-pulse 0.3s ease-in-out;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    max-width: 90%;
    max-height: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.casino-modal {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: 3px solid #FFD700;
    animation: neon-border 2s ease-in-out infinite;
}

.casino-modal h2 {
    font-family: 'Fredoka One', cursive;
    font-size: 2rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.casino-button {
    background: linear-gradient(45deg, #FFD700, #FFA500);
    color: #8B4513;
    border: 2px solid white;
    border-radius: 15px;
    padding: 0.75rem 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Fredoka One', cursive;
    font-size: 1rem;
}

.casino-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.8);
}

.casino-button.secondary {
    background: linear-gradient(45deg, #6B7280, #4B5563);
    color: white;
}

.parent-stats {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
    text-align: left;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: #F9FAFB;
    border-radius: 8px;
    border: 1px solid #E5E7EB;
}

.stat-label {
    font-weight: bold;
    color: #374151;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .game-main {
        flex-direction: column;
        padding: 0.5rem;
    }
    
    .sidebar {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        gap: 0.5rem;
    }
    
    .casino-panel {
        flex-shrink: 0;
        min-width: 200px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .game-stats {
        order: 1;
    }
    
    .header-controls {
        order: 2;
        justify-content: center;
    }
    
    .modal-content {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .modal-buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .game-board {
        gap: 2px;
        padding: 12px;
    }
    
    .block {
        border-radius: 8px;
        border-width: 1px;
    }
    
    .sidebar {
        flex-direction: column;
    }
    
    .casino-panel {
        min-width: auto;
    }
}

/* Touch Interactions */
@media (hover: none) and (pointer: coarse) {
    .block:hover:before {
        left: -100%;
    }
    
    .block:active:before {
        left: 100%;
    }
    
    .start-button:hover {
        transform: none;
    }
    
    .start-button:active {
        transform: scale(1.1);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .block {
        border-width: 3px;
        border-color: #000;
    }
    
    .casino-panel {
        border-color: #000;
        border-width: 2px;
    }
}