/* ===== TYPOGRAPHY ===== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;700&family=Berkshire+Swash&display=swap');

:root {
  /* Color palette */
  --primary-color: #ffc107; /* Krishna's golden yellow */
  --primary-glow: rgba(255, 193, 7, 0.3);
  --accent-color: #9c27b0; /* Krishna's divine purple */
  --accent-glow: rgba(156, 39, 176, 0.3);
  --success-color: #4caf50;
  --danger-color: #f44336;
  --text-light: #fff;
  --text-dark: #333;
  
  /* Shadows */
  --box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  --text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  --inner-shadow: inset 0 2px 4px rgba(0,0,0,0.3);
  
  /* Animations */
  --transition-fast: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-medium: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  
  /* Mobile Touch Targets - following accessibility guidelines */
  --touch-target-size: 44px;
  --touch-target-spacing: 8px;
}

/* Add language selector styles */
.language-selector {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--primary-color);
    border-radius: 10px;
    color: var(--text-light);
    padding: 8px 15px;
    font-family: 'Poppins', sans-serif;
    font-size: 1em;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 100;
    box-shadow: var(--box-shadow);
    min-height: var(--touch-target-size); /* Ensure touch target size */
}

.language-selector:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(0,0,0,0.3);
}

.language-selector option {
    background: rgba(33, 37, 41, 0.95);
    color: var(--text-light);
    padding: 8px;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    /* Prevent pull-to-refresh and other touch behaviors */
    overscroll-behavior: none;
    -webkit-overflow-scrolling: touch;
    touch-action: none;
    font-family: 'Poppins', sans-serif;
    /* Add for smoother animations on mobile */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.fullscreen-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    background-color: var(--bs-dark);
    /* Prevent text selection on touch */
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    /* Safe area insets for notches and home indicators */
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

#gameCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bs-dark);
    /* Ensure touch events work properly */
    touch-action: none;
}

.orientation-warning {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2a4c1e 0%, #3d7a2c 100%);
    color: var(--text-light);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.orientation-content {
    max-width: 600px;
    padding: 20px;
}

.game-title {
    font-family: 'Berkshire Swash', cursive;
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-glow),
                 0 0 20px var(--primary-glow),
                 0 0 30px var(--primary-glow),
                 0 2px 4px rgba(0,0,0,0.5);
    animation: titleGlow 3s infinite alternate;
    letter-spacing: 1px;
}

.story-intro {
    font-size: 1.4em;
    line-height: 1.6;
    margin: 30px 0;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: var(--text-shadow);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.rotate-message {
    margin-top: 40px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: pulse 2s infinite;
    border: 1px solid var(--primary-color);
    box-shadow: var(--box-shadow),
                0 0 15px var(--primary-glow);
}

.rotate-message i {
    width: 48px;
    height: 48px;
    margin-bottom: 15px;
    color: var(--primary-color);
    transform: rotate(90deg);
    filter: drop-shadow(0 0 5px var(--primary-glow));
}

.rotate-message p {
    font-size: 1.2em;
    margin: 0;
    color: var(--primary-color);
}

@keyframes titleGlow {
    0% {
        text-shadow: 0 0 10px var(--primary-glow),
                     0 0 20px var(--primary-glow),
                     0 0 30px var(--primary-glow),
                     0 2px 4px rgba(0,0,0,0.5);
    }
    50% {
        text-shadow: 0 0 15px var(--primary-glow),
                     0 0 25px var(--primary-glow),
                     0 0 35px var(--primary-glow),
                     0 2px 4px rgba(0,0,0,0.5);
    }
    100% {
        text-shadow: 0 0 20px var(--primary-glow),
                     0 0 30px var(--primary-glow),
                     0 0 40px var(--primary-glow),
                     0 2px 4px rgba(0,0,0,0.5);
    }
}

@media screen and (orientation: portrait) {
    .orientation-warning {
        display: flex;
    }

    .fullscreen-container > *:not(.orientation-warning) {
        display: none;
    }
}

.hud-overlay {
    position: fixed;
    top: max(20px, env(safe-area-inset-top));
    left: max(20px, env(safe-area-inset-left));
    z-index: 100;
    pointer-events: none;
}

.hud-stats {
    display: flex;
    gap: 20px;
    background-color: rgba(0, 0, 0, 0.6);
    padding: 15px 25px;
    border-radius: 15px;
    border: 1px solid var(--primary-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow),
                0 0 15px var(--primary-glow);
}

.stat-item {
    color: var(--text-light);
    font-size: 1.3em;
    text-shadow: var(--text-shadow);
    font-weight: 500;
}

.stat-item span:last-child {
    color: var(--primary-color);
    margin-left: 5px;
    font-weight: 700;
}

.game-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.85);
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    color: var(--text-light);
    z-index: 1000;
    display: none;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--box-shadow),
                0 0 20px var(--primary-glow);
    max-width: 90%;
    width: 450px;
}

.game-popup h2 {
    color: var(--primary-color);
    margin-bottom: 1.2rem;
    font-weight: 700;
    font-family: 'Berkshire Swash', cursive;
    font-size: 2.2em;
    text-shadow: 0 0 10px var(--primary-glow);
}

.game-popup p {
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 1.8rem;
    font-size: 1.2em;
}

.game-popup .btn {
    margin-top: 1.5rem;
    min-width: 150px;
    transition: var(--transition-fast);
    padding: 12px 24px;
    font-size: 1.1em;
    font-weight: 500;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--box-shadow);
    min-height: var(--touch-target-size); /* Ensure touch target size */
}

.game-popup .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0,0,0,0.3);
}

.tutorial-popup {
    position: fixed;
    bottom: max(30px, env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.85);
    border: 2px solid var(--accent-color);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    color: var(--text-light);
    z-index: 1000;
    display: none;
    min-width: 300px;
    box-shadow: var(--box-shadow),
                0 0 15px var(--accent-glow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    max-width: 80%;
}

.tutorial-popup p {
    margin-bottom: 15px;
    font-size: 1.2em;
    line-height: 1.5;
}

.tutorial-popup .btn-sm {
    pointer-events: auto;
    padding: 8px 16px;
    font-size: 0.9em;
    margin: 0 5px;
    transition: var(--transition-fast);
    border-radius: 50px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-height: var(--touch-target-size); /* Ensure touch target size */
    min-width: var(--touch-target-size); /* Ensure minimum width for touchability */
}

.tutorial-popup .btn-sm:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px rgba(0,0,0,0.2);
}

#nextTutorial {
    display: inline-block;
    cursor: pointer;
    padding: 10px 20px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50px;
    margin-top: 15px;
    transition: var(--transition-fast);
    box-shadow: var(--box-shadow);
    min-height: var(--touch-target-size); /* Ensure touch target size */
    min-width: var(--touch-target-size); /* Ensure minimum width for touchability */
}

#nextTutorial:hover {
    background-color: #7b1fa2;
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0,0,0,0.2);
}

.btn {
    box-shadow: var(--box-shadow);
}

.tutorial-button {
    position: fixed;
    bottom: max(25px, env(safe-area-inset-bottom) + 5px);
    right: max(25px, env(safe-area-inset-right) + 5px);
    width: var(--touch-target-size);
    height: var(--touch-target-size);
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.6);
    border: 2px solid var(--accent-color);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 100;
    transition: var(--transition-fast);
    box-shadow: var(--box-shadow),
                0 0 10px var(--accent-glow);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.tutorial-button:hover {
    transform: scale(1.1);
    background-color: rgba(0, 0, 0, 0.8);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3),
                0 0 15px var(--accent-glow);
}

.tutorial-button svg {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
    filter: drop-shadow(0 0 3px var(--accent-glow));
}

.tutorial-button:hover svg {
    filter: drop-shadow(0 0 5px var(--accent-glow));
}

.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    flex-direction: column;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.fullscreen-message {
    background-color: rgba(0, 0, 0, 0.6);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    color: var(--text-light);
    border: 2px solid var(--primary-color);
    box-shadow: var(--box-shadow),
                0 0 20px var(--primary-glow);
    animation: pulse 2s infinite;
    max-width: 80%;
}

.fullscreen-message i {
    width: 60px;
    height: 60px;
    color: var(--primary-color);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px var(--primary-glow));
}

.fullscreen-message p {
    font-size: 1.5em;
    margin: 0;
    color: var(--text-light);
    text-shadow: var(--text-shadow);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.intro-page {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://storage.googleapis.com/sansmriti/kanha/vrindavan-background.jpg');
    background-size: cover;
    background-position: center;
}

.intro-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 90%;
    max-width: 800px;
    padding: 40px;
    background-color: rgba(0, 0, 0, 0.75);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--box-shadow);
}

.mechanics-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.85);
    border: 2px solid var(--accent-color);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    color: var(--text-light);
    z-index: 1000;
    display: none;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--box-shadow),
                0 0 20px var(--accent-glow);
    max-width: 80%;
    width: 450px;
}

.mechanics-popup p {
    font-size: 1.2em;
    line-height: 1.6;
    margin-bottom: 20px;
}

.mechanics-popup .btn {
    margin-top: 1.5rem;
    min-width: 150px;
    transition: var(--transition-fast);
    padding: 12px 24px;
    font-size: 1.1em;
    font-weight: 500;
    border-radius: 50px;
    box-shadow: var(--box-shadow);
    background-color: var(--accent-color);
    border: none;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    min-height: var(--touch-target-size); /* Ensure touch target size */
}

.mechanics-popup .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0,0,0,0.3),
                0 0 15px var(--accent-glow);
    background-color: #7b1fa2;
}

#introCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    pointer-events: none;
}

.intro-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.intro-buttons .btn {
    padding: 15px 30px;
    font-size: 1.2em;
    border-radius: 50px;
    transition: var(--transition-fast);
    box-shadow: var(--box-shadow);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-height: var(--touch-target-size); /* Ensure touch target size */
}

.intro-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0,0,0,0.3);
}

.intro-buttons .btn-warning {
    background-color: var(--accent-color);
    border: none;
    box-shadow: var(--box-shadow),
                0 0 15px var(--accent-glow);
}

.intro-buttons .btn-info {
    background-color: var(--primary-color);
    border: none;
    box-shadow: var(--box-shadow),
                0 0 15px var(--primary-glow);
}

/* Tutorial page styles */
.tutorial-page {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://storage.googleapis.com/sansmriti/kanha/tutorial-background.jpg');
    background-size: cover;
    background-position: center;
}

.tutorial-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 800px;
    background-color: rgba(0, 0, 0, 0.75);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--box-shadow);
    z-index: 10;
}

.tutorial-content {
    padding: 40px;
    text-align: center;
}

.tutorial-content h2 {
    font-family: 'Berkshire Swash', cursive;
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-shadow: 0 0 10px var(--primary-glow),
                 0 2px 4px rgba(0,0,0,0.5);
}

.tutorial-slides {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    color: var(--text-light);
}

.tutorial-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.tutorial-nav .btn {
    padding: 12px 24px;
    font-size: 1.1em;
    border-radius: 50px;
    transition: var(--transition-fast);
    box-shadow: var(--box-shadow);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-height: var(--touch-target-size); /* Ensure touch target size */
}

.tutorial-nav .btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0,0,0,0.3);
}

.tutorial-nav .btn-primary {
    background-color: var(--accent-color);
    border: none;
    box-shadow: var(--box-shadow),
                0 0 15px var(--accent-glow);
}

.tutorial-nav .btn-info {
    background-color: var(--primary-color);
    border: none;
    box-shadow: var(--box-shadow),
                0 0 15px var(--primary-glow);
}

/* Animation for particles */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Add controls visualization for mobile devices */
.touch-indicator {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--primary-color);
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 1rem;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 100;
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.touch-indicator.visible {
    opacity: 1;
}

.touch-indicator i {
    width: 18px;
    height: 18px;
}

/* Enhanced responsive adjustments with more breakpoints */
@media (max-width: 1200px) {
    .game-title {
        font-size: 3em;
    }
}

@media (max-width: 992px) {
    .intro-content {
        padding: 30px;
    }
    
    .game-title {
        font-size: 2.8em;
    }
    
    .tutorial-content {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .game-title {
        font-size: 2.5em;
    }
    
    .story-intro {
        font-size: 1.1em;
        margin: 20px 0;
    }
    
    .intro-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .intro-buttons .btn {
        width: 100%;
        padding: 12px 20px;
        font-size: 1em;
    }
    
    .game-popup {
        padding: 20px;
        width: 90%;
    }
    
    .game-popup h2 {
        font-size: 1.8em;
    }
    
    .game-popup p {
        font-size: 1.1em;
    }
    
    .hud-stats {
        padding: 10px 15px;
    }
    
    .stat-item {
        font-size: 1.1em;
    }
    
    .tutorial-content h2 {
        font-size: 2em;
    }
    
    .tutorial-popup {
        min-width: unset;
        width: 85%;
    }
    
    .tutorial-popup p {
        font-size: 1.1em;
        margin-bottom: 10px;
    }
}

@media (max-width: 576px) {
    .game-title {
        font-size: 2.2em;
    }
    
    .hud-stats {
        flex-direction: column;
        gap: 5px;
        align-items: flex-start;
    }
    
    .game-popup h2 {
        font-size: 1.6em;
    }
    
    .game-popup p {
        font-size: 1em;
    }
    
    .fullscreen-message p {
        font-size: 1.2em;
    }
    
    .tutorial-content {
        padding: 20px;
    }
    
    .tutorial-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .tutorial-nav .btn {
        width: 100%;
    }
}

/* Safe area handling for notched devices */
@supports (padding: max(0px)) {
    .fullscreen-container {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
        padding-top: max(0px, env(safe-area-inset-top));
        padding-bottom: max(0px, env(safe-area-inset-bottom));
    }
}

/* Small interactive feedback for touch events */
@media (hover: none) and (pointer: coarse) {
    .btn:active, .tutorial-button:active, #nextTutorial:active {
        transform: scale(0.95);
    }
}

/* Performance optimizations */
* {
    will-change: transform, opacity;
}