:root {
    --primary-color: #4a90e2;
    --secondary-color: #f39c12;
    --background-color: #ffffff;
    --text-color: #333333;
    --card-bg: #f5f5f5;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    --primary-color: #64b5f6;
    --secondary-color: #ffa726;
    --background-color: #1a1a1a;
    --text-color: #ffffff;
    --card-bg: #2d2d2d;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color var(--transition-speed), color var(--transition-speed);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

#darkModeToggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 24px;
    padding: 8px;
    border-radius: 50%;
    transition: transform var(--transition-speed);
}

#darkModeToggle:hover {
    transform: scale(1.1);
}

header {
    text-align: center;
    padding: 40px 20px;
    animation: fadeIn 0.5s ease-in;
}

h1 {
    font-size: 4rem; /*3rem*/
    color: var(--primary-color);
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
}

.menu-container, .game-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.button-container, .category-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

.play-mode-btn, .category-btn {
    padding: 15px 30px;
    font-size: 1.2rem;
    border: none;
    border-radius: 25px;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    min-width: 200px;
}

.play-mode-btn:hover, .category-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.game-container {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    transition: box-shadow 0.3s ease;
}

.emoji-display {
    font-size: 4rem;
    margin: 30px 0;
    min-height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.input-area {
    margin: 20px 0;
}

#guessInput {
    padding: 12px 20px;
    font-size: 1.1rem;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    width: 80%;
    max-width: 400px;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: box-shadow var(--transition-speed);
}

#guessInput:focus {
    outline: none;
    box-shadow: 0 0 10px var(--primary-color);
}

.show-answer-btn, .next-round-btn {
    padding: 12px 25px;
    font-size: 1.1rem;
    border: none;
    border-radius: 20px;
    background-color: var(--secondary-color);
    color: white;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.show-answer-btn:hover, .next-round-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.answer-display {
    margin: 20px 0;
    padding: 20px;
    background-color: var(--background-color);
    border-radius: 15px;
    animation: slideIn 0.5s ease-out;
}

.answer-text {
    font-size: 1.5rem;
    color: var(--secondary-color); 
    margin-top: 10px;
}

.answer-text.correct {
    color: #4CAF50;
}

.hidden {
    display: none !important;
}

footer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
}

.support-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.1rem;
    transition: opacity var(--transition-speed);
    font-weight: bold;
}

.support-link:hover {
    opacity: 0.8;
}

.kofi-button {
    display: inline-block;
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.kofi-button:hover {
    transform: translateY(-2px) scale(1.05);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.kofi-button:active {
    transform: translateY(0) scale(0.95);
}

.kofi-button img {
    height: 40px;
    width: auto;
    display: block;
}

/* Dark mode adjustments */
[data-theme="dark"] .kofi-button {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

[data-theme="dark"] .kofi-button:hover {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.6));
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .play-mode-btn, .category-btn {
        width: 100%;
        max-width: 300px;
    }
    
    .emoji-display {
        font-size: 3rem;
    }
}

.back-btn {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 16px;
    font-size: 1rem;
    border: none;
    border-radius: 20px;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    align-items: center;
    gap: 5px;
}

.back-btn:hover {
    transform: translateX(-3px);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.rainbow-text {
    background: linear-gradient(
        to left,
        #ff0000,
        #ff4800,
        #ff7f00,
        #ffd000,
        #ffee00,
        #ffff00,
        #b8eb00,
        #bbff00,
        #b8eb00,
        #00e932,
        #00e94e,
        #00e990,
        #00fff2,
        #00aeff,
        #0077ff,
        #003cff,
        #0000ff,
        #2420ff,
        #4c00ff,
        #4700eb,
        #440ec2,
        #4b0082,
        #730082,
        #820077,
        #820048,
        #82001c,
        #a70000,
        #ce0000,
        #e90000
    );
    background-size: 200% auto;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: rainbow 45s linear infinite;
}

@keyframes rainbow {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

.confetti {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: var(--primary-color);
    animation: confetti-fall 3s linear forwards;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

.checkmark-popup {
    position: fixed;
    top: 37%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8rem;
    z-index: 1000;
    opacity: 0;
    animation: checkmarkPop 0.7s ease-out forwards;
}

@keyframes checkmarkPop {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(2);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.5);
    }
}

@keyframes wrongAnswerFlash {
    0% {
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    50% {
        box-shadow: 0 4px 6px rgba(244, 67, 54, 0.5);
    }
    100% {
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
}

.game-container.wrong-answer {
    animation: wrongAnswerFlash 1s ease;
}

.mistake-counter {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
}

.mistake-dots {
    display: flex;
    gap: 8px;
}

.mistake-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--primary-color);
    opacity: 0.3;
    transition: all 0.3s ease;
}

.mistake-dot.used {
    background-color: #f44336;
    opacity: 1;
    animation: mistakePop 0.3s ease;
}

@keyframes mistakePop {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.question-counter {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-color);
    background-color: var(--card-bg);
    padding: 5px 15px;
    border-radius: 20px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.category-title {
    position: absolute;
    top: 20px;
    left: 120px;
    background-color: var(--card-bg);
    padding: 6px 15px;
    border-radius: 15px;
    box-shadow: 0 2px 8px var(--shadow-color);
    opacity: 0.8;
    transition: all 0.3s ease;
    z-index: 10;
}

.category-title span {
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--text-color);
    text-transform: capitalize;
}

.category-title:hover {
    opacity: 1;
    /*box-shadow: 0 4px 12px var(--shadow-color);*/
}

.feedback-button {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 100;
    text-decoration: none;
}

.feedback-button:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.feedback-button:active {
    transform: translateY(0) scale(0.95);
}

/* Dark mode adjustments */
[data-theme="dark"] .feedback-button {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

[data-theme="dark"] .feedback-button:hover {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.6));
}

.get-ready-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-top: 2rem;
    animation: fadeIn 0.5s ease-in;
}

.get-ready-content p {
    font-size: 1.2rem;
    text-align: center;
    max-width: 600px;
    line-height: 1.5;
    color: var(--text-color);
}

.lets-go-btn {
    padding: 15px 40px;
    font-size: 1.3rem;
    border: none;
    border-radius: 25px;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    min-width: 200px;
}

.lets-go-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

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