:root {
        --soil-dark: #5D4037;
        --soil-light: #8D6E63;
        --grass-dark: #2E7D32;
        --grass-light: #66BB6A;
        --sky-day: #87CEEB;
        --sky-night: #1a1a2e;
        --sun: #FFD54F;
        --water: #4FC3F7;
        --gold: #FFD700;
        --wood: #A1887F;
        --wood-dark: #6D4C41;
        --text-dark: #3E2723;
        --text-light: #EFEBE9;
        --success: #4CAF50;
        --error: #E53935;
        --warning: #FF9800;
        --card-bg: rgba(255, 255, 255, 0.95);
        --card-bg-dark: rgba(30, 30, 40, 0.95);
        --code-bg: #1e1e2e;
        --code-comment: #6a737d;
        --code-keyword: #ff79c6;
        --code-string: #a5d6ff;
        --code-function: #d2a8ff;
    }

    .dark {
        --sky-day: #1a1a2e;
        --grass-dark: #1B5E20;
        --grass-light: #388E3C;
        --card-bg: var(--card-bg-dark);
        --text-dark: var(--text-light);
    }

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

    body {
        font-family: 'Fredoka', sans-serif;
        min-height: 100vh;
        background: linear-gradient(180deg, var(--sky-day) 0%, var(--sky-day) 40%, var(--grass-light) 40%, var(--grass-dark) 100%);
        color: var(--text-dark);
        overflow-x: hidden;
        transition: background 0.5s ease;
    }

    .dark body {
        background: linear-gradient(180deg, var(--sky-night) 0%, var(--sky-night) 40%, var(--grass-dark) 40%, #0d3d0d 100%);
    }

    /* Clouds */
    .clouds {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 40vh;
        pointer-events: none;
        overflow: hidden;
        z-index: 0;
    }

    .cloud {
        position: absolute;
        font-size: 4rem;
        opacity: 0.8;
        animation: float-cloud linear infinite;
        filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    }

    .cloud:nth-child(1) {
        top: 5%;
        animation-duration: 25s;
        font-size: 3rem;
    }

    .cloud:nth-child(2) {
        top: 15%;
        animation-duration: 35s;
        animation-delay: -10s;
    }

    .cloud:nth-child(3) {
        top: 8%;
        animation-duration: 30s;
        animation-delay: -20s;
        font-size: 2.5rem;
    }

    @keyframes float-cloud {
        from {
            transform: translateX(-100px);
        }

        to {
            transform: translateX(calc(100vw + 100px));
        }
    }

    /* Celestial */
    .celestial {
        position: fixed;
        top: 30px;
        right: 40px;
        font-size: 4rem;
        z-index: 1;
        animation: pulse-glow 3s ease-in-out infinite;
        cursor: pointer;
        transition: transform 0.3s;
    }

    .celestial:hover {
        transform: scale(1.1) rotate(10deg);
    }

    @keyframes pulse-glow {

        0%,
        100% {
            filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.6));
        }

        50% {
            filter: drop-shadow(0 0 40px rgba(255, 215, 0, 0.9));
        }
    }

    .dark .celestial {
        animation-name: pulse-glow-moon;
    }

    @keyframes pulse-glow-moon {

        0%,
        100% {
            filter: drop-shadow(0 0 15px rgba(200, 200, 255, 0.5));
        }

        50% {
            filter: drop-shadow(0 0 30px rgba(200, 200, 255, 0.8));
        }
    }

    /* Header */
    header {
        position: relative;
        z-index: 10;
        text-align: center;
        padding: 25px 20px 15px;
    }

    .logo {
        display: inline-flex;
        align-items: center;
        gap: 15px;
        background: var(--card-bg);
        padding: 12px 30px;
        border-radius: 50px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        border: 4px solid var(--wood-dark);
    }

    .logo h1 {
        font-size: 2rem;
        font-weight: 700;
        color: var(--grass-dark);
    }

    .dark .logo h1 {
        color: var(--grass-light);
    }

    .logo-icon {
        font-size: 2.2rem;
        animation: bounce-plant 2s ease-in-out infinite;
    }

    @keyframes bounce-plant {

        0%,
        100% {
            transform: translateY(0) rotate(-5deg);
        }

        50% {
            transform: translateY(-8px) rotate(5deg);
        }
    }

    /* Stats Bar */
    .stats-bar {
        display: flex;
        justify-content: center;
        gap: 15px;
        flex-wrap: wrap;
        padding: 15px;
        margin: 5px auto;
        max-width: 800px;
    }

    .stat {
        display: flex;
        align-items: center;
        gap: 8px;
        background: var(--card-bg);
        padding: 10px 18px;
        border-radius: 30px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        border: 3px solid var(--wood);
        font-weight: 600;
        transition: transform 0.2s;
    }

    .stat:hover {
        transform: translateY(-3px);
    }

    .stat-icon {
        font-size: 1.3rem;
    }

    .stat-value {
        font-size: 1.1rem;
        min-width: 30px;
    }

    .stat-value.money {
        color: #d4a017;
    }

    .stat-value.level {
        color: var(--grass-dark);
    }

    .dark .stat-value.level {
        color: var(--grass-light);
    }

    .level-badge {
        padding: 4px 12px;
        border-radius: 15px;
        font-size: 0.85rem;
        font-weight: 700;
    }

    .level-badge.beginner {
        background: #81C784;
        color: #1B5E20;
    }

    .level-badge.intermediate {
        background: #FFB74D;
        color: #E65100;
    }

    .level-badge.advanced {
        background: #EF5350;
        color: #fff;
    }

    .level-badge.master {
        background: linear-gradient(135deg, #9C27B0, #E91E63);
        color: #fff;
    }

    /* Main Container */
    .container {
        position: relative;
        z-index: 10;
        max-width: 1500px;
        margin: 0 auto;
        padding: 15px;
        display: grid;
        grid-template-columns: 320px 1fr;
        gap: 20px;
    }

    @media (max-width: 1100px) {
        .container {
            grid-template-columns: 1fr;
        }
    }

    /* Sidebar */
    .sidebar {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    /* Farm Section */
    .farm-card {
        background: var(--card-bg);
        border-radius: 20px;
        padding: 20px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        border: 4px solid var(--wood-dark);
    }

    .section-title {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.3rem;
        margin-bottom: 15px;
        color: var(--wood-dark);
    }

    .dark .section-title {
        color: var(--wood);
    }

    /* Farm Field */
    .farm-field {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        background: linear-gradient(135deg, var(--soil-dark) 0%, var(--soil-light) 100%);
        padding: 15px;
        border-radius: 15px;
        border: 3px solid var(--wood-dark);
        box-shadow: inset 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    .plot {
        aspect-ratio: 1;
        background: radial-gradient(circle at center, var(--soil-light) 0%, var(--soil-dark) 100%);
        border-radius: 12px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        font-size: 2.2rem;
        cursor: pointer;
        transition: all 0.3s ease;
        border: 2px dashed rgba(255, 255, 255, 0.2);
        position: relative;
        overflow: hidden;
        gap: 2px;
    }

    .plot:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    }

    .plot.empty {
        opacity: 0.5;
    }

    .plot .plant-emoji {
        transition: all 0.4s ease;
        filter: drop-shadow(1px 2px 3px rgba(0, 0, 0, 0.3));
    }

    .plot .plant-state {
        font-size: 0.6rem;
        color: white;
        background: rgba(0, 0, 0, 0.5);
        padding: 2px 6px;
        border-radius: 8px;
        text-transform: uppercase;
        font-weight: 600;
    }

    .plot.watered {
        animation: water-splash 0.6s ease-out;
    }

    @keyframes water-splash {
        0% {
            box-shadow: 0 0 0 0 rgba(79, 195, 247, 0.7);
        }

        100% {
            box-shadow: 0 0 0 15px rgba(79, 195, 247, 0);
        }
    }

    .plot .water-drops {
        position: absolute;
        top: 0;
        font-size: 1rem;
        animation: drops-fall 0.8s ease-out forwards;
    }

    @keyframes drops-fall {
        0% {
            transform: translateY(-10px);
            opacity: 1;
        }

        100% {
            transform: translateY(30px);
            opacity: 0;
        }
    }

    .plot.growing .plant-emoji {
        animation: grow-pulse 0.6s ease-out;
    }

    @keyframes grow-pulse {
        0% {
            transform: scale(0.7);
        }

        50% {
            transform: scale(1.2);
        }

        100% {
            transform: scale(1);
        }
    }

    .plot.dead .plant-emoji {
        filter: grayscale(1) brightness(0.5);
        transform: rotate(20deg);
    }

    .plot.harvested {
        animation: harvest-pop 0.5s ease;
    }

    @keyframes harvest-pop {

        0%,
        100% {
            transform: scale(1);
        }

        50% {
            transform: scale(1.15);
        }
    }

    /* Resources Panel */
    .resources-panel {
        display: flex;
        gap: 10px;
        margin-top: 10px;
        flex-wrap: wrap;
    }

    .resource {
        flex: 1;
        min-width: 80px;
        background: rgba(0, 0, 0, 0.05);
        padding: 10px;
        border-radius: 12px;
        text-align: center;
        border: 2px solid rgba(0, 0, 0, 0.1);
    }

    .dark .resource {
        background: rgba(255, 255, 255, 0.05);
        border-color: rgba(255, 255, 255, 0.1);
    }

    .resource-icon {
        font-size: 1.5rem;
    }

    .resource-value {
        font-size: 1.2rem;
        font-weight: 700;
    }

    .resource-label {
        font-size: 0.75rem;
        opacity: 0.7;
    }

    /* Simulation Panel */
    .simulation-panel {
        background: var(--card-bg);
        border-radius: 20px;
        padding: 20px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        border: 4px solid var(--wood-dark);
    }

    .sim-log {
        background: var(--code-bg);
        border-radius: 12px;
        padding: 12px;
        max-height: 150px;
        overflow-y: auto;
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.8rem;
    }

    .sim-log-entry {
        display: flex;
        gap: 8px;
        padding: 4px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        animation: slide-in 0.2s ease;
    }

    @keyframes slide-in {
        from {
            opacity: 0;
            transform: translateX(-10px);
        }

        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    .sim-log-entry .step {
        color: #888;
        min-width: 35px;
    }

    .sim-log-entry .action {
        color: var(--water);
    }

    .sim-log-entry .action.plant {
        color: var(--grass-light);
    }

    .sim-log-entry .action.harvest {
        color: var(--gold);
    }

    .sim-log-entry .action.wait {
        color: #888;
    }

    .sim-log-entry .action.error {
        color: var(--error);
    }

    /* Docs Panel */
    .docs-panel {
        background: var(--card-bg);
        border-radius: 20px;
        padding: 20px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        border: 4px solid var(--wood-dark);
    }

    .docs-content {
        background: rgba(0, 0, 0, 0.03);
        border-radius: 12px;
        padding: 12px;
        font-size: 0.85rem;
        max-height: 200px;
        overflow-y: auto;
    }

    .dark .docs-content {
        background: rgba(255, 255, 255, 0.03);
    }

    .docs-content code {
        background: rgba(0, 0, 0, 0.1);
        padding: 2px 6px;
        border-radius: 4px;
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.8rem;
    }

    .dark .docs-content code {
        background: rgba(255, 255, 255, 0.1);
    }

    .docs-content h4 {
        margin: 10px 0 5px;
        color: var(--grass-dark);
    }

    .dark .docs-content h4 {
        color: var(--grass-light);
    }

    .docs-content ul {
        margin-left: 20px;
        margin-bottom: 10px;
    }

    /* Main Content */
    .main-content {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    /* Challenge Card */
    .challenge-card {
        background: var(--card-bg);
        border-radius: 20px;
        padding: 20px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        border: 4px solid var(--wood-dark);
    }

    .challenge-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 12px;
        flex-wrap: wrap;
        gap: 10px;
    }

    .challenge-meta {
        display: flex;
        gap: 10px;
        align-items: center;
        flex-wrap: wrap;
    }

    .challenge-badge {
        display: flex;
        align-items: center;
        gap: 6px;
        background: linear-gradient(135deg, var(--warning) 0%, #F57C00 100%);
        color: white;
        padding: 6px 14px;
        border-radius: 20px;
        font-weight: 600;
        font-size: 0.9rem;
    }

    .difficulty-badge {
        padding: 6px 12px;
        border-radius: 20px;
        font-size: 0.8rem;
        font-weight: 600;
    }

    .difficulty-badge.easy {
        background: #C8E6C9;
        color: #2E7D32;
    }

    .difficulty-badge.medium {
        background: #FFE0B2;
        color: #E65100;
    }

    .difficulty-badge.hard {
        background: #FFCDD2;
        color: #C62828;
    }

    .difficulty-badge.expert {
        background: linear-gradient(135deg, #9C27B0, #E91E63);
        color: white;
    }

    .challenge-reward {
        display: flex;
        align-items: center;
        gap: 5px;
        background: linear-gradient(135deg, var(--gold) 0%, #FFA000 100%);
        color: var(--text-dark);
        padding: 6px 14px;
        border-radius: 20px;
        font-weight: 600;
        font-size: 0.9rem;
    }

    .challenge-title {
        font-size: 1.3rem;
        margin-bottom: 10px;
        color: var(--wood-dark);
    }

    .dark .challenge-title {
        color: var(--wood);
    }

    .challenge-text {
        font-size: 1.05rem;
        line-height: 1.6;
        margin-bottom: 12px;
    }

    .challenge-text code {
        background: rgba(0, 0, 0, 0.08);
        padding: 2px 8px;
        border-radius: 6px;
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.9rem;
        color: var(--grass-dark);
    }

    .dark .challenge-text code {
        background: rgba(255, 255, 255, 0.1);
        color: var(--grass-light);
    }

    .concept-box {
        background: linear-gradient(135deg, rgba(156, 39, 176, 0.1) 0%, rgba(233, 30, 99, 0.1) 100%);
        border-left: 4px solid #9C27B0;
        padding: 12px 16px;
        border-radius: 0 12px 12px 0;
        margin-bottom: 12px;
    }

    .concept-box h4 {
        font-size: 0.9rem;
        margin-bottom: 5px;
        color: #9C27B0;
    }

    .concept-box p {
        font-size: 0.9rem;
        opacity: 0.9;
    }

    .hint-box {
        background: linear-gradient(135deg, rgba(79, 195, 247, 0.15) 0%, rgba(79, 195, 247, 0.05) 100%);
        border-left: 4px solid var(--water);
        padding: 10px 14px;
        border-radius: 0 12px 12px 0;
        font-size: 0.9rem;
        display: flex;
        align-items: flex-start;
        gap: 10px;
    }

    .hint-toggle {
        background: none;
        border: none;
        color: var(--water);
        cursor: pointer;
        font-family: inherit;
        font-size: 0.9rem;
        padding: 0;
        text-decoration: underline;
    }

    .hint-content {
        display: none;
    }

    .hint-content.visible {
        display: block;
    }

    /* Editor */
    .editor-card {
        background: var(--card-bg);
        border-radius: 20px;
        padding: 20px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        border: 4px solid var(--wood-dark);
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .editor-header {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 12px;
    }

    .editor-dot {
        width: 12px;
        height: 12px;
        border-radius: 50%;
    }

    .editor-dot.red {
        background: #ff5f56;
    }

    .editor-dot.yellow {
        background: #ffbd2e;
    }

    .editor-dot.green {
        background: #27ca3f;
    }

    .editor-title {
        margin-left: 8px;
        opacity: 0.6;
        font-size: 0.9rem;
    }

    .code-editor {
        width: 100%;
        min-height: 220px;
        background: var(--code-bg);
        color: #cdd6f4;
        border: none;
        border-radius: 12px;
        padding: 16px;
        font-family: 'JetBrains Mono', monospace;
        font-size: 14px;
        line-height: 1.6;
        resize: vertical;
        outline: none;
        box-shadow: inset 0 4px 20px rgba(0, 0, 0, 0.3);
        tab-size: 2;
    }

    .code-editor:focus {
        box-shadow: inset 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 0 3px var(--grass-light);
    }

    .button-row {
        display: flex;
        gap: 10px;
        margin-top: 12px;
        flex-wrap: wrap;
    }

    .btn {
        flex: 1;
        min-width: 100px;
        padding: 12px 20px;
        border: none;
        border-radius: 12px;
        font-family: 'Fredoka', sans-serif;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--grass-light) 0%, var(--grass-dark) 100%);
        color: white;
        box-shadow: 0 4px 15px rgba(46, 125, 50, 0.4);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(46, 125, 50, 0.5);
    }

    .btn-secondary {
        background: linear-gradient(135deg, var(--wood) 0%, var(--wood-dark) 100%);
        color: white;
        box-shadow: 0 4px 15px rgba(109, 76, 65, 0.3);
    }

    .btn-secondary:hover {
        transform: translateY(-2px);
    }

    .btn-outline {
        background: transparent;
        border: 2px solid var(--wood);
        color: var(--wood-dark);
    }

    .dark .btn-outline {
        color: var(--wood);
    }

    .btn-outline:hover {
        background: var(--wood);
        color: white;
    }

    .btn:disabled {
        opacity: 0.5;
        cursor: not-allowed;
        transform: none !important;
    }

    /* Output Console */
    .output-console {
        margin-top: 12px;
        background: var(--code-bg);
        border-radius: 12px;
        padding: 12px 16px;
        font-family: 'JetBrains Mono', monospace;
        font-size: 0.85rem;
        min-height: 70px;
        max-height: 150px;
        overflow-y: auto;
        box-shadow: inset 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .output-line {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 6px;
        animation: fade-in 0.3s ease;
    }

    @keyframes fade-in {
        from {
            opacity: 0;
            transform: translateY(-5px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .output-line.success {
        color: var(--success);
    }

    .output-line.error {
        color: var(--error);
    }

    .output-line.info {
        color: var(--water);
    }

    .output-line.warning {
        color: var(--warning);
    }

    .output-line.neutral {
        color: #888;
    }

    /* Progress Bar */
    .progress-section {
        background: var(--card-bg);
        border-radius: 20px;
        padding: 15px 20px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        border: 4px solid var(--wood-dark);
    }

    .progress-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 10px;
        font-size: 0.95rem;
    }

    .progress-bar-container {
        background: rgba(0, 0, 0, 0.1);
        border-radius: 12px;
        height: 20px;
        overflow: hidden;
    }

    .dark .progress-bar-container {
        background: rgba(255, 255, 255, 0.1);
    }

    .progress-bar {
        height: 100%;
        background: linear-gradient(90deg, var(--grass-light) 0%, var(--success) 100%);
        border-radius: 12px;
        transition: width 0.5s ease;
        position: relative;
    }

    .progress-bar::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        animation: shimmer 2s infinite;
    }

    @keyframes shimmer {
        0% {
            transform: translateX(-100%);
        }

        100% {
            transform: translateX(100%);
        }
    }

    /* Level Select */
    .level-select {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 12px;
    }

    .level-btn {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        border: 2px solid rgba(0, 0, 0, 0.1);
        background: rgba(0, 0, 0, 0.05);
        font-family: 'Fredoka', sans-serif;
        font-weight: 600;
        font-size: 0.9rem;
        cursor: pointer;
        transition: all 0.2s;
        position: relative;
    }

    .dark .level-btn {
        background: rgba(255, 255, 255, 0.05);
        border-color: rgba(255, 255, 255, 0.1);
        color: var(--text-light);
    }

    .level-btn:hover:not(:disabled) {
        transform: scale(1.1);
    }

    .level-btn.completed {
        background: var(--success);
        color: white;
        border-color: var(--success);
    }

    .level-btn.current {
        background: var(--warning);
        color: white;
        border-color: var(--warning);
        animation: pulse-current 2s infinite;
    }

    @keyframes pulse-current {

        0%,
        100% {
            box-shadow: 0 0 0 0 rgba(255, 152, 0, 0.4);
        }

        50% {
            box-shadow: 0 0 0 8px rgba(255, 152, 0, 0);
        }
    }

    .level-btn.locked {
        opacity: 0.4;
        cursor: not-allowed;
    }

    .level-btn.locked::after {
        content: '🔒';
        font-size: 0.6rem;
        position: absolute;
        bottom: -2px;
        right: -2px;
    }

    /* Modal */
    .modal-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.75);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 1000;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        padding: 20px;
    }

    .modal-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .modal {
        background: var(--card-bg);
        border-radius: 25px;
        padding: 35px;
        max-width: 480px;
        width: 100%;
        text-align: center;
        transform: scale(0.8);
        transition: transform 0.3s ease;
        border: 5px solid var(--gold);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }

    .modal-overlay.active .modal {
        transform: scale(1);
    }

    .modal-icon {
        font-size: 4.5rem;
        margin-bottom: 15px;
        animation: celebrate 0.6s ease;
    }

    @keyframes celebrate {
        0% {
            transform: scale(0) rotate(-180deg);
        }

        50% {
            transform: scale(1.2) rotate(10deg);
        }

        100% {
            transform: scale(1) rotate(0);
        }
    }

    .modal h2 {
        font-size: 1.8rem;
        margin-bottom: 10px;
        color: var(--grass-dark);
    }

    .dark .modal h2 {
        color: var(--grass-light);
    }

    .modal p {
        font-size: 1rem;
        margin-bottom: 20px;
        opacity: 0.9;
    }

    .modal .reward-display {
        display: flex;
        justify-content: center;
        gap: 25px;
        margin-bottom: 20px;
    }

    .reward-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
    }

    .reward-item span:first-child {
        font-size: 2.2rem;
    }

    .reward-item span:last-child {
        font-weight: 600;
        color: var(--gold);
    }

    .unlock-badge {
        background: linear-gradient(135deg, #9C27B0, #E91E63);
        color: white;
        padding: 8px 20px;
        border-radius: 20px;
        margin-bottom: 20px;
        display: inline-block;
        font-weight: 600;
    }

    /* Footer */
    footer {
        text-align: center;
        padding: 25px;
        color: var(--text-dark);
        opacity: 0.8;
        position: relative;
        z-index: 10;
        font-size: 0.95rem;
    }

    .dark footer {
        color: var(--text-light);
    }

    /* Confetti */
    .confetti {
        position: fixed;
        pointer-events: none;
        z-index: 999;
    }

    .confetti-piece {
        position: absolute;
        width: 10px;
        height: 10px;
        animation: confetti-fall 3s ease-out forwards;
    }

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

        100% {
            transform: translateY(100vh) rotate(720deg);
            opacity: 0;
        }
    }

    /* Responsive */
    @media (max-width: 600px) {
        .logo h1 {
            font-size: 1.5rem;
        }

        .logo {
            padding: 10px 20px;
        }

        .farm-field {
            gap: 8px;
            padding: 12px;
        }

        .plot {
            font-size: 1.8rem;
        }

        .stats-bar {
            gap: 8px;
        }

        .stat {
            padding: 8px 12px;
            font-size: 0.85rem;
        }

        .code-editor {
            font-size: 13px;
            min-height: 180px;
        }

        .btn {
            padding: 10px 16px;
            font-size: 0.9rem;
        }

        .container {
            padding: 10px;
            gap: 15px;
        }

        .celestial {
            font-size: 2.5rem;
            top: 15px;
            right: 15px;
        }

        .challenge-title {
            font-size: 1.1rem;
        }

        .challenge-text {
            font-size: 0.95rem;
        }

        .level-btn {
            width: 32px;
            height: 32px;
            font-size: 0.8rem;
        }
    }

    /* Scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }

    ::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.1);
        border-radius: 10px;
    }

    ::-webkit-scrollbar-thumb {
        background: var(--wood);
        border-radius: 10px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: var(--wood-dark);
    }