:root {
    --primary-text: #FFFFFF;
    --accent-green: #00FF9D;
    --button-text: #2E0032;
    --max-game-width: min(95vw, 600px);
    --padding: clamp(10px, 2vw, 20px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* Force viewport on mobile */
@viewport {
    width: device-width;
    zoom: 1.0;
}

@-ms-viewport {
    width: device-width;
}

body {
    font-family: 'Arial', sans-serif;
    color: var(--primary-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    width: 100%;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/background/bg.png') no-repeat center center;
    background-size: cover;
    z-index: -1;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
    pointer-events: none;
}

main, header, footer {
    position: relative;
    z-index: 1;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem;
    z-index: 100;
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 2px solid var(--accent-green);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0;
    padding: 0;
    width: 100%;
}

.header-logo {
    height: 2.125rem;
    width: auto;
    object-fit: contain;
}

h1 {
    margin-bottom: 0;
    font-size: clamp(1.2rem, 3.2vw, 2rem);
}

.ad-container {
    margin-top: 1rem;
}

.game-controls {
    position: fixed;
    top: 5rem;
    left: 0;
    width: 100%;
    background: transparent;
    padding: 2rem 1rem 1rem 1rem;
    z-index: 99;
    display: flex;
    justify-content: center;
    gap: clamp(10px, 2vw, 20px);
}

.game-controls > * {
    flex: 0 1 auto;
}

.control-item {
    flex: 1;
    min-width: 0;
    width: calc((var(--max-game-width) - 40px) / 3);
    max-width: 200px;
    padding: 12px 24px;
    border: 2px solid var(--accent-green);
    background: rgba(0, 0, 0, 0.7);
    color: var(--primary-text);
    border-radius: 25px;
    cursor: pointer;
    font-size: clamp(14px, 3vw, 16px);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300FF9D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 40px;
    transition: all 0.2s ease;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: normal;
}

.control-item:hover {
    background-color: rgba(0, 255, 157, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 157, 0.3);
}

.control-item:focus {
    outline: none;
    background-color: rgba(0, 255, 157, 0.15);
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.4);
}

/* Style dropdown options */
.control-item option {
    background-color: #2E0032;
    color: var(--primary-text);
    padding: 12px;
}

/* Override browser default highlight colors */
.control-item option:hover,
.control-item option:focus,
.control-item option:active,
.control-item option:checked {
    background: var(--accent-green) !important;
    color: var(--button-text) !important;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/* For Firefox */
@-moz-document url-prefix() {
    .control-item option:hover,
    .control-item option:focus,
    .control-item option:active,
    .control-item option:checked {
        background-color: var(--accent-green) !important;
        color: var(--button-text) !important;
        box-shadow: 0 0 0 2px var(--accent-green) inset;
    }
}

.control-item:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

main {
    margin-top: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    max-width: 100vw;
    overflow-x: hidden;
}

.game-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(20px, 5vw, 40px);
    color: var(--accent-green);
    font-size: clamp(16px, 3vw, 20px);
    order: 2;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
}

#puzzle-container {
    width: min(95vw, 500px);
    aspect-ratio: 1;
    display: grid;
    gap: 2px;
    background: rgba(0, 0, 0, 0.5);
    padding: 2px;
    border-radius: 8px;
    border: 2px solid var(--accent-green);
}

.puzzle-tile {
    aspect-ratio: 1;
    width: 100%;
    height: 100%;
    background-size: cover;
    border: 1px solid var(--accent-green);
    cursor: pointer;
    transition: transform 0.2s;
    position: relative;
    user-select: none;
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.3);
}

.puzzle-tile.movable {
    box-shadow: 0 0 0 2px var(--accent-green);
    animation: pulse 2s infinite;
}

.puzzle-tile.empty {
    background-color: rgba(0, 0, 0, 0.5);
    border: 2px dashed var(--accent-green);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 255, 157, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(0, 255, 157, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 255, 157, 0); }
}

#refreshBtn {
    order: 3;
    margin-top: 0;
    padding: 15px;
    background: var(--accent-green);
    color: var(--button-text);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
}

#refreshBtn:active {
    transform: scale(0.95);
}

footer {
    margin-top: auto;
    padding: 1rem;
    text-align: center;
    font-family: 'Radikal', Arial, sans-serif;
    color: var(--primary-text);
}

/* Desktop Navigation */
.desktop-nav {
    margin-left: auto;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.desktop-nav a {
    color: var(--primary-text);
    text-decoration: none;
    font-family: 'Radikal', Arial, sans-serif;
    transition: color 0.2s;
}

.desktop-nav a:hover {
    color: var(--accent-green);
}

/* Hamburger Button */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;  /* Increased touch target */
    margin-left: auto;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
    -webkit-tap-highlight-color: transparent;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--accent-green);
    position: absolute;
    transition: transform 0.3s, opacity 0.3s;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }

/* Hamburger Animation */
.hamburger.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(46, 0, 50, 0.97), rgba(46, 0, 50, 0.93));
    backdrop-filter: blur(10px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.mobile-nav.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 2rem;
}

.mobile-nav a {
    color: var(--primary-text);
    text-decoration: none;
    font-family: 'Radikal', Arial, sans-serif;
    font-size: 1.5rem;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
    position: relative;
    padding: 10px 20px;
    border-radius: 8px;
}

/* Hover effect for mobile links */
.mobile-nav a:hover {
    color: var(--accent-green);
    background: rgba(0, 255, 157, 0.1);
    transform: scale(1.05) translateY(0);
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.2);
}

/* Active link effect */
.mobile-nav a:active {
    transform: scale(0.95) translateY(0);
}

/* Add underline effect */
.mobile-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-green);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.mobile-nav a:hover::after {
    width: 80%;
}

/* When menu is active, animate in the links */
.mobile-nav.active a {
    transform: translateY(0);
    opacity: 1;
}

/* Add subtle glow to the menu background */
.mobile-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 255, 157, 0.5), 
        transparent
    );
}

/* Mobile Styles */
@media (max-width: 768px) {
    main {
        margin-top: 180px;
        gap: 1.5rem;
    }
    
    .game-controls {
        padding: 1rem;
        gap: 10px;
    }
    
    .control-item {
        padding: 8px 24px 8px 12px;
        font-size: 14px;
        background-size: 14px;
        background-position: right 8px center;
    }
    
    .ad-container {
        height: 50px;
    }
    
    body::before {
        background-attachment: scroll;
    }
    
    .header-logo {
        height: 1.8rem;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .mobile-nav {
        display: block;
    }

    #puzzle-container {
        width: 95vw;
        max-width: 95vw;
        margin: 0 auto;
    }

    .puzzle-tile {
        aspect-ratio: 1;
    }
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #2E0032;
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--accent-green);
    text-align: center;
    max-width: 90%;
    width: 400px;
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.3);
}

.modal p {
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: normal;
    color: var(--primary-text);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.modal button {
    background: var(--accent-green);
    color: var(--button-text);
    border: none;
    padding: 10px 30px;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
}

.modal button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(0, 255, 157, 0.5);
}

/* Style the selected option and highlight */
.control-item option:checked,
.control-item option:hover,
.control-item option:focus {
    background-color: var(--accent-green);
    color: var(--button-text);
}

/* Remove default blue highlight */
.control-item:focus {
    outline: none;
    background-color: rgba(0, 255, 157, 0.15);
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.4);
}

/* Style when dropdown is open */
.control-item:active,
.control-item:focus-within {
    background-color: rgba(0, 255, 157, 0.1);
    border-color: var(--accent-green);
}

/* Container for controls to maintain center alignment */
.controls-container {
    display: flex;
    justify-content: center;
    gap: clamp(10px, 2vw, 20px);
    max-width: var(--max-game-width);
    margin: 0 auto;
    width: 100%;
}

/* Update puzzle container size for desktop only */
@media (min-width: 769px) {
    #puzzle-container {
        width: 50%;
        max-width: calc(var(--max-game-width) * 0.5);
        margin: 0 auto;
    }
}

.social-icons {
    display: flex;
    gap: 20px;
    margin-left: 2rem;
    padding-right: 20px;
}

.social-icons a {
    color: #fff;
    font-size: 20px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: var(--accent-green);
}

/* Ensure nav has flex display */
nav {
    display: flex;
    align-items: center;
}

/* About Page Styles */
.about-content {
    padding-top: 100px;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.about-container {
    background: rgba(0, 0, 0, 0.7);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--accent-green);
    margin-bottom: 2rem;
}

.about-container h2 {
    color: var(--accent-green);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
}

.about-container h3 {
    color: var(--accent-green);
    font-size: 1.8rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
}

.about-container p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-family: 'Radikal', Arial, sans-serif;
}

.about-container .intro {
    font-size: 1.2rem;
    font-weight: 500;
}

.features {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.features li {
    margin-bottom: 1rem;
    padding-left: 1rem;
    font-family: 'Radikal', Arial, sans-serif;
    color: var(--primary-text);
}

.features li span {
    color: var(--accent-green);
    margin-right: 0.5rem;
    font-size: 1.5em;
}

.cta {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--accent-green);
    text-align: center;
    margin: 2rem 0;
}

.social-cta {
    text-align: center;
    font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .about-content {
        padding-top: 80px;
    }

    .about-container h2 {
        font-size: 2rem;
    }

    .about-container h3 {
        font-size: 1.5rem;
    }

    .about-container {
        padding: 1.5rem;
    }
}

/* Terms Page Styles */
.terms-content {
    padding-top: 100px;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.terms-container {
    background: rgba(0, 0, 0, 0.7);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--accent-green);
    margin-bottom: 2rem;
}

.terms-container h2 {
    color: var(--accent-green);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
}

.terms-container h3 {
    color: var(--accent-green);
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
}

.terms-container p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-family: 'Radikal', Arial, sans-serif;
}

.terms-container .intro {
    font-size: 1.2rem;
    font-weight: 500;
}

.terms-section {
    margin-bottom: 2rem;
}

.terms-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.terms-list li {
    margin-bottom: 1rem;
    padding-left: 1rem;
    font-family: 'Radikal', Arial, sans-serif;
    color: var(--primary-text);
}

.terms-list li span {
    color: var(--accent-green);
    margin-right: 0.5rem;
    font-size: 1.5em;
}

.terms-footer {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--accent-green);
    margin-top: 3rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .terms-content {
        padding-top: 80px;
    }

    .terms-container h2 {
        font-size: 2rem;
    }

    .terms-container h3 {
        font-size: 1.3rem;
    }

    .terms-container {
        padding: 1.5rem;
    }
}

/* Privacy Page Styles */
.privacy-content {
    padding-top: 100px;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.privacy-container {
    background: rgba(0, 0, 0, 0.7);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--accent-green);
    margin-bottom: 2rem;
}

.privacy-container h2 {
    color: var(--accent-green);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
}

.privacy-container h3 {
    color: var(--accent-green);
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
}

.privacy-container p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-family: 'Radikal', Arial, sans-serif;
}

.privacy-container .intro {
    font-size: 1.2rem;
    font-weight: 500;
}

.privacy-section {
    margin-bottom: 2rem;
}

.privacy-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.privacy-list li {
    margin-bottom: 1rem;
    padding-left: 1rem;
    font-family: 'Radikal', Arial, sans-serif;
    color: var(--primary-text);
}

.privacy-list li span {
    color: var(--accent-green);
    margin-right: 0.5rem;
    font-size: 1.5em;
}

.privacy-footer {
    text-align: right;
    font-size: 1rem;
    font-style: italic;
    color: var(--primary-text);
    margin-top: 3rem;
    opacity: 0.8;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .privacy-content {
        padding-top: 80px;
    }

    .privacy-container h2 {
        font-size: 2rem;
    }

    .privacy-container h3 {
        font-size: 1.3rem;
    }

    .privacy-container {
        padding: 1.5rem;
    }
}

/* Contact Page Styles */
.contact-content {
    padding-top: 100px;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.contact-container {
    background: rgba(0, 0, 0, 0.7);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--accent-green);
    margin-bottom: 2rem;
}

.contact-container h2 {
    color: var(--accent-green);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
}

.contact-container .intro {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 2rem;
    font-family: 'Radikal', Arial, sans-serif;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.contact-form input,
.contact-form textarea {
    padding: 12px 24px;
    border: 2px solid var(--accent-green);
    background: rgba(0, 0, 0, 0.7);
    color: var(--primary-text);
    border-radius: 25px;
    font-size: 16px;
    font-family: 'Radikal', Arial, sans-serif;
    transition: all 0.2s ease;
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form input:hover,
.contact-form textarea:hover {
    background-color: rgba(0, 255, 157, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 157, 0.3);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    background-color: rgba(0, 255, 157, 0.15);
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.4);
}

.submit-btn {
    padding: 12px 24px;
    border: 2px solid var(--accent-green);
    background: rgba(0, 0, 0, 0.7);
    color: var(--primary-text);
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-family: 'Radikal', Arial, sans-serif;
    transition: all 0.2s ease;
    margin-top: 1rem;
}

.submit-btn:hover {
    background-color: rgba(0, 255, 157, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 157, 0.3);
}

/* Modal styles already exist, but let's add specific button styling */
.modal-content button {
    padding: 12px 24px;
    border: 2px solid var(--accent-green);
    background: rgba(0, 0, 0, 0.7);
    color: var(--primary-text);
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-family: 'Radikal', Arial, sans-serif;
    transition: all 0.2s ease;
    margin-top: 1.5rem;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 1rem !important;
    margin-left: auto !important;
    margin-right: auto !important;
    justify-content: center;
}

.share-btn i {
    font-size: 1.2em;
}

.modal-content button:hover {
    background-color: rgba(0, 255, 157, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 157, 0.3);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .contact-content {
        padding-top: 80px;
    }

    .contact-container h2 {
        font-size: 2rem;
    }

    .contact-container {
        padding: 1.5rem;
    }
}

/* Game info below puzzle */
.game-info {
    margin-top: 0.75rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    color: var(--accent-green);
    font-family: 'Radikal', Arial, sans-serif;
    font-weight: 500;
    font-size: clamp(16px, 3vw, 20px);
}