:root {
    --primary: #1a1a2e;
    --secondary: #0084ff;
    --accent: #00ff9d;
    --light: #e6e6e6;
    --dark: #16213e;
    --metallic: #4a4a4a;
    --robot-glow: rgba(0, 255, 157, 0.5);
    --grad-hat: #000000;
    --matrix-color: #00ff9d;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Orbitron', sans-serif;
}

body {
    background: var(--primary);
    color: var(--light);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Matrix Background */
#matrixBackground {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.1;
}

.container {
    width: 100%;
    min-height: 100vh;
    position: relative;
    padding: 1rem;
    z-index: 1;
}

/* Header Styles */
.header {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    text-align: center;
}

.title {
    font-size: clamp(2rem, 5vw, 4rem);
    color: var(--accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    animation: glow 2s ease-in-out infinite alternate;
}

.subtitle {
    color: var(--secondary);
    font-size: clamp(0.9rem, 2vw, 1.2rem);
    margin-bottom: 2rem;
    letter-spacing: 2px;
}

.instruction {
    color: var(--accent);
    font-size: clamp(0.8rem, 1.5vw, 1rem);
    margin-bottom: 2rem;
    letter-spacing: 1px;
    animation: pulse 2s infinite;
}

/* Navigation Buttons */
.nav-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 500px;
    margin: 1rem 0;
}

.nav-button {
    padding: 1.2rem 2rem;
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    border-radius: 30px;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.nav-button:hover {
    background: var(--accent);
    color: var(--primary);
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--accent);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.transform-button, .game-button {
    padding: 1.5rem 3rem;
    background: transparent;
    border: 3px solid var(--accent);
    color: var(--accent);
    border-radius: 50px;
    font-size: clamp(1rem, 2vw, 1.3rem);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.transform-button:hover, .game-button:hover {
    background: var(--accent);
    color: var(--primary);
    transform: scale(1.1);
    box-shadow: 0 0 30px var(--accent);
}

.transform-button i, .game-button i {
    font-size: 1.2em;
}

/* Hidden Content */
.hidden-content {
    display: none;
}

.content-section {
    display: none;
}
/* Robot Styles */
.robot-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: min(300px, 80vw);
    height: 400px;
    display: none;
    z-index: 100;
    transition: transform 0.5s ease;
}

.robot-container.active {
    transform: translate(-50%, -50%) scale(1);
}

/* Download Prompt */
.download-prompt {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark);
    color: var(--accent);
    padding: 0.8rem 1.5rem;
    border-radius: 20px;
    border: 2px solid var(--accent);
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    white-space: nowrap;
    box-shadow: 0 0 15px var(--robot-glow);
    z-index: 3;
}

.robot-container.active .download-prompt {
    opacity: 1;
    animation: float 2s ease-in-out infinite;
}

/* Graduation Hat */
.graduation-hat {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hat-top {
    width: 120px;
    height: 30px;
    background: var(--grad-hat);
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border: 2px solid var(--accent);
    box-shadow: 0 0 15px var(--robot-glow);
}

.hat-base {
    width: 150px;
    height: 40px;
    background: var(--grad-hat);
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    border: 2px solid var(--accent);
    box-shadow: 0 0 15px var(--robot-glow);
}

.tassel {
    position: absolute;
    top: 10px;
    right: 20px;
    width: 30px;
    height: 60px;
    background: var(--accent);
    transform-origin: top;
    animation: swingTassel 3s ease-in-out infinite;
}

/* Robot Parts */
.robot-part {
    position: absolute;
    background: var(--metallic);
    border: 2px solid var(--accent);
    box-shadow: 0 0 20px var(--robot-glow);
    transition: all 0.5s ease;
}

.head {
    width: 100px;
    height: 100px;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 20px;
}

.eye {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    top: 30px;
    animation: blink 3s infinite;
}

.eye.left { left: 20px; }
.eye.right { right: 20px; }

.body {
    width: 200px;
    height: 200px;
    top: 170px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 30px;
}

.chest-light {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--accent);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chest-light:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 30px var(--accent);
}

.chest-light i {
    font-size: 2rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.chest-light:hover i {
    transform: scale(1.2);
}

.arm {
    width: 40px;
    height: 180px;
    top: 190px;
    border-radius: 20px;
}

.arm.left {
    left: 20px;
    transform-origin: top center;
    animation: waveLeft 3s infinite;
}

.arm.right {
    right: 20px;
    transform-origin: top center;
    animation: waveRight 3s infinite;
}

/* Overlay Styles */
.content-overlay, .game-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 1rem;
}

.content-modal, .game-modal {
    background: var(--dark);
    padding: 2rem;
    border-radius: 15px;
    width: 100%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    border: 2px solid var(--accent);
    box-shadow: 0 0 30px var(--robot-glow);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
 ;
    color: var(--accent);
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
}

.close-btn:hover {
    color: var(--secondary);
    transform: scale(1.1);
}

/* Content Body Styles */
.content-body {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.content-overlay.active .content-body {
    opacity: 1;
    transform: translateY(0);
}

/* Game Styles */
.game-container {
    text-align: center;
    padding: 1rem;
}

.hangman-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

#hangmanCanvas {
    border: 2px solid var(--accent);
    border-radius: 10px;
    margin: 1rem 0;
}

.word-display {
    font-size: 2rem;
    letter-spacing: 0.5rem;
    margin: 1rem 0;
    color: var(--accent);
}

.keyboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(40px, 1fr));
    gap: 0.5rem;
    max-width: 500px;
    margin: 1rem auto;
}

.keyboard button {
    padding: 0.8rem;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.keyboard button:hover:not(:disabled) {
    background: var(--accent);
    color: var(--primary);
}

.keyboard button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.new-game-btn {
    padding: 1rem 2rem;
    background: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.new-game-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--accent);
}

/* Animations */
@keyframes glow {
    from { text-shadow: 0 0 10px var(--accent), 0 0 20px var(--accent), 0 0 30px var(--secondary); }
    to { text-shadow: 0 0 20px var(--accent), 0 0 30px var(--accent), 0 0 40px var(--secondary); }
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

@keyframes blink {
    0%, 45%, 55%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes waveLeft {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(-15deg); }
}

@keyframes waveRight {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(15deg); }
}

@keyframes swingTassel {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(-15deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0.5rem;
    }

    .robot-container {
        width: 70vw;
        height: 350px;
    }

    .graduation-hat {
        transform: translateX(-50%) scale(0.8);
    }

    .content-modal, .game-modal {
        padding: 1.5rem;
        margin: 1rem;
    }

    .keyboard {
        grid-template-columns: repeat(auto-fit, minmax(30px, 1fr));
    }

    .action-buttons {
        flex-direction: column;
    }

    .transform-button, .game-button {
        padding: 1rem 2rem;
    }

    .download-prompt {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }
}