/* AgriSpace Quest - 16-Bit Retro Pixel Art Style */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

:root {
    /* New Color Palette */
    --haiti: #0c0c35;
    --roxin: #D1C3F6;
    --royal-blue: #4f4bdb;
    --verdin: #77C307;
    
    /* Legacy aliases */
    --pixel-green: #77C307;
    --pixel-blue: #4f4bdb;
    --pixel-yellow: #77C307;
    --pixel-red: #D1C3F6;
    --pixel-purple: #4f4bdb;
    --dark-bg: #0c0c35;
    --panel-bg: #0c0c35;
    --panel-border: #4f4bdb;
}

body {
    font-family: 'Press Start 2P', cursive;
    overflow: hidden;
    background: var(--haiti);
    color: var(--roxin);
    line-height: 1.8;
}

/* Pixel Art Border Effect */
.pixel-border {
    border: 4px solid;
    border-image-source: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12"><rect width="4" height="4" fill="%234f4bdb"/><rect x="8" width="4" height="4" fill="%234f4bdb"/><rect y="8" width="4" height="4" fill="%234f4bdb"/><rect x="8" y="8" width="4" height="4" fill="%234f4bdb"/></svg>');
    border-image-slice: 4;
    border-image-repeat: round;
}

/* Scanline Effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 9999;
}

#game-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    filter: contrast(1.1) saturate(1.2);
}

/* Screen Management */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.95);
    z-index: 100;
    animation: screenFlicker 0.5s;
}

@keyframes screenFlicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.9; }
}

.screen.active {
    display: flex;
}

.hidden {
    display: none !important;
}

/* Loading Screen */
#loading-screen {
    background: #000;
}

.loading-content {
    text-align: center;
    color: var(--pixel-green);
}

.loading-content h1 {
    font-size: 2em;
    margin-bottom: 40px;
    text-shadow: 
        4px 4px 0 #003300,
        0 0 20px var(--pixel-green);
    animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { text-shadow: 4px 4px 0 #003300, 0 0 20px var(--pixel-green); }
    50% { text-shadow: 4px 4px 0 #003300, 0 0 40px var(--pixel-green); }
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 6px solid #003300;
    border-top-color: var(--pixel-green);
    border-radius: 0;
    animation: pixelSpin 1s steps(8) infinite;
    margin: 0 auto 30px;
}

@keyframes pixelSpin {
    to { transform: rotate(360deg); }
}

#loading-text {
    font-size: 0.8em;
    color: var(--pixel-yellow);
}

/* Welcome Screen */
.welcome-content {
    max-width: 900px;
    padding: 30px;
    background: var(--panel-bg);
    border: 8px solid var(--panel-border);
    box-shadow: 
        0 0 0 4px #000,
        0 0 50px rgba(0, 255, 0, 0.5),
        inset 0 0 100px rgba(0, 255, 0, 0.05);
    text-align: center;
    position: relative;
}

/* Pixel corners */
.welcome-content::before,
.welcome-content::after {
    content: '█';
    position: absolute;
    font-size: 2em;
    color: var(--pixel-green);
}

.welcome-content::before {
    top: -8px;
    left: -8px;
}

.welcome-content::after {
    bottom: -8px;
    right: -8px;
}

.welcome-content h1 {
    font-size: 2.5em;
    color: var(--pixel-green);
    text-shadow: 
        4px 4px 0 #003300,
        0 0 20px var(--pixel-green);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.tagline {
    font-size: 0.7em;
    color: var(--pixel-blue);
    margin-bottom: 30px;
    text-shadow: 2px 2px 0 #000044;
}

.mission-brief,
.controls-info {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    margin-bottom: 25px;
    border: 4px solid var(--pixel-green);
    position: relative;
}

.mission-brief h2,
.controls-info h3 {
    font-size: 1em;
    margin-bottom: 15px;
    display: inline-block;
}

.mission-brief h2::before {
    content: '▶ ';
    color: var(--pixel-yellow);
}

.controls-info h3::before {
    content: '🎮 ';
}

.mission-brief p,
.controls-info li {
    font-size: 0.6em;
    line-height: 1.8;
}

.controls-info ul {
    list-style: none;
    text-align: left;
    max-width: 500px;
    margin: 0 auto;
}

.controls-info li {
    padding: 8px 0;
    border-bottom: 2px dotted rgba(0, 255, 0, 0.3);
}

.controls-info li:last-child {
    border-bottom: none;
}

/* Difficulty Selector */
.difficulty-selector {
    margin: 30px 0;
}

.difficulty-selector h3 {
    font-size: 0.9em;
    margin-bottom: 20px;
    color: var(--pixel-yellow);
}

.difficulty-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.difficulty-btn {
    background: rgba(0, 0, 0, 0.7);
    border: 4px solid #333;
    padding: 20px 10px;
    cursor: pointer;
    transition: all 0.1s;
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: #666;
    font-family: 'Press Start 2P', cursive;
    position: relative;
}

.difficulty-btn:hover {
    border-color: var(--pixel-green);
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--pixel-green);
}

.difficulty-btn.selected {
    background: rgba(0, 255, 0, 0.2);
    border-color: var(--pixel-green);
    color: var(--pixel-green);
    box-shadow: 
        4px 4px 0 var(--pixel-green),
        inset 0 0 20px rgba(0, 255, 0, 0.3);
}

.difficulty-btn .emoji {
    font-size: 1.5em;
    display: block;
    font-family: Arial, sans-serif;
}

.difficulty-btn .title {
    font-size: 0.7em;
    font-weight: bold;
    display: block;
}

.difficulty-btn .desc {
    font-size: 0.45em;
    opacity: 0.7;
    display: block;
}

/* Buttons */
.btn {
    padding: 15px 30px;
    font-size: 0.9em;
    border: 4px solid var(--pixel-green);
    cursor: pointer;
    transition: all 0.1s;
    font-weight: bold;
    font-family: 'Press Start 2P', cursive;
    background: rgba(0, 255, 0, 0.1);
    color: var(--pixel-green);
    text-shadow: 2px 2px 0 #000;
    position: relative;
    margin: 10px;
}

.btn-large {
    padding: 20px 50px;
    font-size: 1.1em;
}

.btn-primary {
    background: rgba(0, 255, 0, 0.2);
    border-color: var(--pixel-green);
    box-shadow: 4px 4px 0 #003300;
}

.btn-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 #003300;
    background: rgba(0, 255, 0, 0.3);
}

.btn-primary:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 #003300;
}

.btn-secondary {
    background: rgba(0, 170, 255, 0.1);
    color: var(--pixel-blue);
    border-color: var(--pixel-blue);
    box-shadow: 4px 4px 0 #004488;
}

.btn-secondary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 #004488;
}

/* Game HUD */
#game-hud {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.hud-top {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    pointer-events: auto;
}

.stat-card {
    background: rgba(0, 0, 0, 0.9);
    border: 4px solid var(--pixel-green);
    padding: 10px 20px;
    text-align: center;
    min-width: 100px;
    box-shadow: 
        4px 4px 0 #003300,
        inset 0 0 20px rgba(0, 255, 0, 0.2);
}

.stat-label {
    display: block;
    font-size: 0.5em;
    color: var(--pixel-yellow);
    margin-bottom: 5px;
    text-transform: uppercase;
}

.stat-value {
    display: block;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--pixel-green);
    text-shadow: 2px 2px 0 #003300;
}

/* Crosshair */
.crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
}

.crosshair-inner {
    width: 100%;
    height: 100%;
    border: 4px solid var(--pixel-green);
    position: relative;
}

.crosshair-inner::before,
.crosshair-inner::after {
    content: '';
    position: absolute;
    background: var(--pixel-green);
}

.crosshair-inner::before {
    top: 50%;
    left: 50%;
    width: 4px;
    height: 16px;
    transform: translate(-50%, -50%);
}

.crosshair-inner::after {
    top: 50%;
    left: 50%;
    height: 4px;
    width: 16px;
    transform: translate(-50%, -50%);
}

.game-instructions {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    padding: 15px 30px;
    border: 4px solid var(--pixel-yellow);
    font-size: 0.6em;
    box-shadow: 4px 4px 0 rgba(255, 255, 0, 0.3);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.7; }
}

/* Question Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: screenFlicker 0.3s;
}

.modal-content {
    background: var(--panel-bg);
    padding: 30px;
    max-width: 700px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 8px solid var(--pixel-green);
    box-shadow: 
        0 0 0 4px #000,
        0 0 50px rgba(0, 255, 0, 0.5);
    position: relative;
}

.modal-content::before,
.modal-content::after {
    content: '█';
    position: absolute;
    font-size: 2em;
    color: var(--pixel-green);
}

.modal-content::before {
    top: -8px;
    left: -8px;
}

.modal-content::after {
    bottom: -8px;
    right: -8px;
}

.question-header {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.badge {
    padding: 8px 15px;
    font-size: 0.5em;
    font-weight: bold;
    background: var(--pixel-yellow);
    color: #000;
    border: 2px solid #000;
    text-transform: uppercase;
}

.badge-category {
    background: var(--pixel-blue);
}

.question-text {
    font-size: 0.9em;
    margin-bottom: 25px;
    line-height: 1.8;
    color: var(--pixel-green);
}

.options-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.option-btn {
    background: rgba(0, 0, 0, 0.5);
    border: 4px solid #333;
    padding: 15px;
    cursor: pointer;
    transition: all 0.1s;
    text-align: left;
    font-size: 0.7em;
    color: #999;
    font-family: 'Press Start 2P', cursive;
}

.option-btn:hover:not(.disabled) {
    background: rgba(0, 255, 0, 0.2);
    border-color: var(--pixel-green);
    color: var(--pixel-green);
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 #003300;
}

.option-btn.selected {
    border-color: var(--pixel-blue);
    background: rgba(0, 170, 255, 0.2);
    color: var(--pixel-blue);
}

.option-btn.correct {
    border-color: var(--pixel-green);
    background: rgba(0, 255, 0, 0.3);
    color: var(--pixel-green);
    animation: pixelPulse 0.5s;
}

.option-btn.incorrect {
    border-color: var(--pixel-red);
    background: rgba(255, 0, 85, 0.2);
    color: var(--pixel-red);
    animation: pixelShake 0.5s;
}

@keyframes pixelPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@keyframes pixelShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

.option-btn.disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.answer-feedback {
    margin-top: 20px;
    padding: 20px;
    border: 4px solid;
    animation: slideUp 0.3s;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.answer-feedback.correct {
    background: rgba(0, 255, 0, 0.2);
    border-color: var(--pixel-green);
}

.answer-feedback.incorrect {
    background: rgba(255, 0, 85, 0.2);
    border-color: var(--pixel-red);
}

.feedback-icon {
    font-size: 2em;
    margin-bottom: 10px;
    font-family: Arial, sans-serif;
}

.feedback-message {
    font-size: 0.8em;
    font-weight: bold;
    margin-bottom: 15px;
}

.feedback-explanation {
    font-size: 0.6em;
    line-height: 1.8;
    opacity: 0.9;
}

/* Results Screen */
.results-content {
    max-width: 900px;
    padding: 40px;
    background: var(--panel-bg);
    border: 8px solid var(--pixel-green);
    text-align: center;
    box-shadow: 0 0 50px rgba(0, 255, 0, 0.5);
}

.results-content h1 {
    font-size: 1.8em;
    margin-bottom: 30px;
    color: var(--pixel-yellow);
    text-shadow: 4px 4px 0 #884400;
    animation: glowPulse 2s ease-in-out infinite;
}

.final-score-display {
    margin-bottom: 40px;
}

.score-big {
    font-size: 4em;
    font-weight: bold;
    color: var(--pixel-green);
    text-shadow: 
        6px 6px 0 #003300,
        0 0 30px var(--pixel-green);
}

.score-label {
    font-size: 0.8em;
    color: var(--pixel-blue);
    margin-top: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 40px;
}

.stat-box {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border: 4px solid var(--pixel-green);
}

.stat-icon {
    font-size: 2em;
    margin-bottom: 10px;
    font-family: Arial, sans-serif;
}

.stat-number {
    font-size: 2em;
    font-weight: bold;
    color: var(--pixel-green);
    margin-bottom: 5px;
}

.stat-title {
    font-size: 0.5em;
    color: var(--pixel-yellow);
}

.achievement-card {
    background: linear-gradient(90deg, 
        rgba(170, 0, 255, 0.3) 0%,
        rgba(255, 0, 85, 0.3) 100%);
    padding: 25px;
    border: 4px solid var(--pixel-purple);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.achievement-icon {
    font-size: 3em;
    font-family: Arial, sans-serif;
}

.achievement-content {
    text-align: left;
}

.achievement-content h3 {
    font-size: 1em;
    margin-bottom: 10px;
    color: var(--pixel-yellow);
}

.achievement-content p {
    font-size: 0.6em;
    opacity: 0.9;
}

.results-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
    .welcome-content h1 {
        font-size: 1.5em;
    }

    .tagline {
        font-size: 0.5em;
    }

    .difficulty-buttons {
        grid-template-columns: repeat(2, 1fr);
    }

    .hud-top {
        flex-direction: column;
        gap: 8px;
    }

    .stat-card {
        padding: 8px 15px;
    }

    .question-text {
        font-size: 0.7em;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* CRT Screen Effect (optional) */
@keyframes flicker {
    0% { opacity: 0.98; }
    50% { opacity: 1; }
    100% { opacity: 0.98; }
}

html {
    animation: flicker 0.15s infinite;
}