* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

body {
    background: #fafafa;
    font-family: 'Courier New', 'VT323', monospace;
    color: #2c3e50;
    overflow-x: hidden;
}

.sidebar {
    position: fixed;
    left: -320px;
    top: 0;
    width: 320px;
    height: 100vh;
    background: white;
    border-right: 2px solid #2c3e50;
    z-index: 1000;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    box-shadow: 4px 0 0 rgba(0,0,0,0.1);
}

    .sidebar.open {
        left: 0;
    }

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    display: none;
}

    .overlay.active {
        display: block;
    }

.menu-toggle {
    position: fixed;
    left: 15px;
    top: 15px;
    background: white;
    border: 2px solid #2c3e50;
    color: #2c3e50;
    font-size: 1.5rem;
    padding: 6px 8px;
    cursor: pointer;
    z-index: 998;
    font-family: monospace;
    transition: all 0.2s;
}

    .menu-toggle:hover {
        background: #2c3e50;
        color: white;
        transform: translate(2px, 2px);
    }

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #2c3e50;
    font-family: monospace;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 2px solid #2c3e50;
}

    .sidebar-header h3 {
        font-size: 1.2rem;
        letter-spacing: 2px;
    }

.balance-section {
    padding: 1.5rem;
    text-align: center;
    border-bottom: 2px solid #eaeaea;
    background: linear-gradient(135deg, #f8f9fa, #fff);
}

.balance-title {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: #95a5a6;
    margin-bottom: 0.5rem;
}

.balance-amount {
    font-size: 2.5rem;
    font-weight: bold;
    color: #f39c12;
    font-family: monospace;
}

.balance-unit {
    font-size: 0.7rem;
    color: #95a5a6;
    margin-top: 0.25rem;
}

.stats-section {
    padding: 1rem 1.5rem;
    border-bottom: 2px solid #eaeaea;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.8rem;
}

.stat-label {
    color: #95a5a6;
}

.stat-value {
    font-weight: bold;
    color: #2c3e50;
}

.upgrades-section {
    padding: 1rem 1.5rem;
    flex: 1;
}

.section-title {
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    text-align: center;
}

.upgrade-item {
    border: 1px solid #eaeaea;
    padding: 0.8rem;
    margin-bottom: 0.8rem;
    transition: all 0.2s;
}

    .upgrade-item:hover {
        border-color: #2c3e50;
        transform: translateX(-2px);
    }

.upgrade-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.3rem;
}

.upgrade-name {
    font-weight: bold;
    font-size: 0.85rem;
}

.upgrade-level {
    color: #f39c12;
    font-weight: bold;
}

.upgrade-desc {
    font-size: 0.7rem;
    color: #95a5a6;
    margin-bottom: 0.5rem;
}

.upgrade-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: #27ae60;
}

.upgrade-btn {
    background: none;
    border: 1px solid #2c3e50;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    cursor: pointer;
    font-family: monospace;
    transition: all 0.2s;
}

    .upgrade-btn:hover {
        background: #2c3e50;
        color: white;
    }

    .upgrade-btn:active {
        transform: scale(0.95);
    }

.menu-footer {
    padding: 1rem 1.5rem;
    border-top: 2px solid #eaeaea;
}

.reset-stats-btn {
    width: 100%;
    background: none;
    border: 1px solid #e74c3c;
    color: #e74c3c;
    padding: 0.5rem;
    cursor: pointer;
    font-family: monospace;
    transition: all 0.2s;
}

    .reset-stats-btn:hover {
        background: #e74c3c;
        color: white;
    }

.center {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.title {
    font-size: 2rem;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    letter-spacing: 4px;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
}

.subtitle {
    color: #bdc3c7;
    font-size: 0.85rem;
    margin-bottom: 2rem;
    font-family: 'Courier New', monospace;
}

.ticket {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 0px;
    box-shadow: 4px 4px 0px rgba(0,0,0,0.1);
    max-width: 380px;
    width: 100%;
    border: 2px solid #2c3e50;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.ticket-flash-win {
    animation: pixelFlashWin 0.6s steps(4);
    box-shadow: 0 0 0 4px #ffd700;
}

.ticket-flash-lose {
    animation: pixelFlashLose 0.6s steps(4);
    box-shadow: 0 0 0 4px #95a5a6;
}

@keyframes pixelFlashWin {
    0%, 100% {
        box-shadow: 4px 4px 0px rgba(0,0,0,0.1);
        border-color: #2c3e50;
    }

    25% {
        box-shadow: 0 0 0 8px #ffd700;
        border-color: #ffd700;
        transform: translate(-2px, -2px);
    }

    50% {
        box-shadow: 0 0 0 4px #ffd700;
        border-color: #ffd700;
        transform: translate(2px, 2px);
    }

    75% {
        box-shadow: 0 0 0 6px #ffd700;
        border-color: #ffd700;
    }
}

@keyframes pixelFlashLose {
    0%, 100% {
        box-shadow: 4px 4px 0px rgba(0,0,0,0.1);
        border-color: #2c3e50;
    }

    25% {
        box-shadow: 0 0 0 8px #95a5a6;
        border-color: #95a5a6;
        transform: scale(0.98);
    }

    50% {
        box-shadow: 0 0 0 4px #95a5a6;
        border-color: #95a5a6;
        transform: scale(1.02);
    }
}

.ticket-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px dashed #eaeaea;
    font-size: 0.8rem;
    letter-spacing: 4px;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    transition: all 0.2s;
}

.scratch-grid {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.scratch-card {
    position: relative;
    width: 100%;
    height: 110px;
    cursor: crosshair;
}

.canvas-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: crosshair;
    border-radius: 0px;
    z-index: 2;
}

.value-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f8f9fa;
    border: 2px solid #2c3e50;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    transition: all 0.2s;
}

    .value-layer img {
        width: 65%;
        height: 65%;
        object-fit: contain;
        image-rendering: pixelated;
    }

.value-reveal {
    animation: pixelReveal 0.4s steps(8);
}

@keyframes pixelReveal {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    50% {
        transform: scale(1.1);
    }

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

.result {
    text-align: center;
    font-size: 1rem;
    min-height: 60px;
    margin: 1rem 0;
    letter-spacing: 2px;
    padding: 0.5rem;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    transition: all 0.2s;
}

.win {
    color: #27ae60;
    animation: pixelFadeIn 0.3s steps(4);
}

.lose {
    color: #95a5a6;
}

@keyframes pixelFadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

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

.reset {
    background: none;
    border: 2px solid #2c3e50;
    padding: 0.7rem 1.5rem;
    font-size: 0.8rem;
    cursor: pointer;
    width: 100%;
    letter-spacing: 2px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.2s;
}

    .reset:hover {
        background: #2c3e50;
        color: white;
        transform: translate(-2px, -2px);
        box-shadow: 4px 4px 0px rgba(0,0,0,0.2);
    }

    .reset:active {
        transform: translate(0, 0);
    }

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

@keyframes pixelShake {
    0%, 100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-4px);
    }

    75% {
        transform: translateX(4px);
    }
}

@media (max-width: 480px) {
    .scratch-card {
        height: 90px;
    }

    .title {
        font-size: 1.5rem;
    }

    .ticket {
        padding: 1.5rem 1rem;
    }

    .sidebar {
        width: 280px;
    }
}

.themes-section {
    padding: 1rem 1.5rem;
    border-bottom: 2px solid #eaeaea;
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    margin-top: 0.8rem;
}

.theme-item {
    border: 2px solid #eaeaea;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

    .theme-item:hover {
        transform: translateX(-2px);
        border-color: #2c3e50;
    }

    .theme-item.active {
        border-color: #f39c12;
        box-shadow: 0 0 0 2px #f39c12;
    }

.theme-preview {
    width: 100%;
    height: 80px;
    background-size: cover;
    background-position: center;
    position: relative;
}

    .theme-preview.default {
        background: linear-gradient(135deg, #667eea, #764ba2);
    }

.theme-name {
    font-size: 0.7rem;
    text-align: center;
    padding: 0.3rem;
    background: white;
    font-weight: bold;
}

.theme-price {
    position: absolute;
    bottom: 0;
    right: 0;
    background: rgba(0,0,0,0.7);
    color: #ffd700;
    font-size: 0.6rem;
    padding: 0.2rem 0.4rem;
}

.theme-owned {
    position: absolute;
    top: 0;
    left: 0;
    background: #27ae60;
    color: white;
    font-size: 0.6rem;
    padding: 0.2rem 0.4rem;
}

.theme-locked {
    position: absolute;
    top: 0;
    right: 0;
    background: rgba(0,0,0,0.7);
    color: white;
    font-size: 0.6rem;
    padding: 0.2rem 0.4rem;
}


.ticket.theme-default {
    background: white;
    border: 2px solid #2c3e50;
}

    .ticket.theme-default .ticket-header {
        color: #95a5a6;
        border-bottom-color: #eaeaea;
    }

    .ticket.theme-default .reset {
        color: #2c3e50;
        border-color: #2c3e50;
    }

        .ticket.theme-default .reset:hover {
            background: #2c3e50;
            color: white;
        }

    .ticket.theme-default .value-layer {
        background: #f8f9fa;
        border: 2px solid #2c3e50;
    }

    .ticket.theme-default .result.win {
        color: #27ae60;
    }

    .ticket.theme-default .result.lose {
        color: #95a5a6;
    }

.ticket.theme-neon {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border: 2px solid #00cc77;
}

    .ticket.theme-neon .ticket-header {
        color: #00cc77;
        border-bottom-color: #00cc77;
    }

    .ticket.theme-neon .reset {
        color: #00cc77;
        border-color: #00cc77;
    }

        .ticket.theme-neon .reset:hover {
            background: #00cc77;
            color: #1a1a2e;
        }

    .ticket.theme-neon .result.win {
        color: #00cc77;
    }

    .ticket.theme-neon .result.lose {
        color: #ff6666;
    }

    .ticket.theme-neon .value-layer {
        background: rgba(26, 26, 46, 0.95);
        border: 2px solid #00cc77;
    }

.ticket.theme-cyber {
    background: linear-gradient(135deg, #0f0c29, #302b63);
    border: 2px solid #cc44cc;
}

    .ticket.theme-cyber .ticket-header {
        color: #cc44cc;
        border-bottom-color: #cc44cc;
    }

    .ticket.theme-cyber .reset {
        color: #cc44cc;
        border-color: #cc44cc;
    }

        .ticket.theme-cyber .reset:hover {
            background: #cc44cc;
            color: #0f0c29;
        }

    .ticket.theme-cyber .result.win {
        color: #cc44cc;
    }

    .ticket.theme-cyber .result.lose {
        color: #ff8888;
    }

    .ticket.theme-cyber .value-layer {
        background: rgba(15, 12, 41, 0.95);
        border: 2px solid #cc44cc;
    }

.ticket.theme-space {
    background: linear-gradient(135deg, #0b0b2b, #1a1a3e);
    border: 2px solid #e6b800;
}

    .ticket.theme-space .ticket-header {
        color: #e6b800;
        border-bottom-color: #e6b800;
    }

    .ticket.theme-space .reset {
        color: #e6b800;
        border-color: #e6b800;
    }

        .ticket.theme-space .reset:hover {
            background: #e6b800;
            color: #0b0b2b;
        }

    .ticket.theme-space .result.win {
        color: #e6b800;
    }

    .ticket.theme-space .result.lose {
        color: #ffaa66;
    }

    .ticket.theme-space .value-layer {
        background: rgba(11, 11, 43, 0.95);
        border: 2px solid #e6b800;
    }

.ticket.theme-neon,
.ticket.theme-cyber,
.ticket.theme-space {
    position: relative;
}

    .ticket.theme-neon .ticket-header,
    .ticket.theme-neon .scratch-grid,
    .ticket.theme-neon .result,
    .ticket.theme-neon .reset,
    .ticket.theme-cyber .ticket-header,
    .ticket.theme-cyber .scratch-grid,
    .ticket.theme-cyber .result,
    .ticket.theme-cyber .reset,
    .ticket.theme-space .ticket-header,
    .ticket.theme-space .scratch-grid,
    .ticket.theme-space .result,
    .ticket.theme-space .reset {
        position: relative;
        z-index: 1;
    }

    .ticket.theme-neon .value-layer img,
    .ticket.theme-cyber .value-layer img,
    .ticket.theme-space .value-layer img {
        filter: brightness(1.05);
    }


    .ticket.theme-neon::after,
    .ticket.theme-cyber::after,
    .ticket.theme-space::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 0;
        pointer-events: none;
    }

    .ticket.theme-neon .ticket-header,
    .ticket.theme-neon .scratch-grid,
    .ticket.theme-neon .result,
    .ticket.theme-neon .reset,
    .ticket.theme-cyber .ticket-header,
    .ticket.theme-cyber .scratch-grid,
    .ticket.theme-cyber .result,
    .ticket.theme-cyber .reset,
    .ticket.theme-space .ticket-header,
    .ticket.theme-space .scratch-grid,
    .ticket.theme-space .result,
    .ticket.theme-space .reset {
        position: relative;
        z-index: 1;
    }

.value-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f8f9fa;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    transition: all 0.2s;
}

    .value-layer img {
        width: auto;
        max-width: 70%;
        height: auto;
        max-height: 70%;
        object-fit: contain;
        image-rendering: pixelated;
        image-rendering: crisp-edges;
        border: 3px solid #2c3e50;
        background: white;
        padding: 6px;
        box-shadow: 3px 3px 0px rgba(0,0,0,0.1);
        transition: all 0.2s;
    }

.ticket.theme-default .value-layer {
    background: #f8f9fa;
    border: none;
}

    .ticket.theme-default .value-layer img {
        border: 3px solid #2c3e50;
        background: white;
    }

.ticket.theme-neon .value-layer {
    background: rgba(26, 26, 46, 0.95);
    border: none;
}

    .ticket.theme-neon .value-layer img {
        border: 3px solid #00cc77;
        background: rgba(26, 26, 46, 0.9);
    }

.ticket.theme-cyber .value-layer {
    background: rgba(15, 12, 41, 0.95);
    border: none;
}

    .ticket.theme-cyber .value-layer img {
        border: 3px solid #cc44cc;
        background: rgba(15, 12, 41, 0.9);
    }

.ticket.theme-space .value-layer {
    background: rgba(11, 11, 43, 0.95);
    border: none;
}

    .ticket.theme-space .value-layer img {
        border: 3px solid #e6b800;
        background: rgba(11, 11, 43, 0.9);
    }

.value-reveal img {
    animation: pixelImgReveal 0.4s steps(8);
}

@keyframes pixelImgReveal {
    0% {
        transform: scale(0) rotate(-3deg);
        opacity: 0;
    }

    50% {
        transform: scale(1.1) rotate(0deg);
    }

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