html {
    overflow: hidden;
}

body {
    margin: 0;
    overflow: hidden;
    background-color: #000;
    font-family: 'Segoe UI', sans-serif;
    color: #fff;
}

/* Estilos Tutorial */
.tutorial-overlay {
    position: absolute;
    pointer-events: auto;
    z-index: 200;
    background: rgba(0, 242, 255, 0.15);
    border: 2px solid #00f2ff;
    border-radius: 12px;
    padding: 12px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.3);
    transition: all 0.5s;
}

.tutorial-dot {
    width: 12px;
    height: 12px;
    background: #00f2ff;
    border-radius: 50%;
    position: absolute;
    animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(3);
        opacity: 0;
    }
}

canvas {
    display: block;
}

#side-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 340px;
    height: 100vh;
    background: rgba(0, 10, 20, 0.95);
    backdrop-filter: blur(15px);
    border-left: 1px solid rgba(0, 242, 255, 0.3);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
    display: flex;
    flex-direction: column;
}

#side-panel.collapsed {
    transform: translateX(340px);
}

#toggle-panel {
    position: absolute;
    left: -40px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 60px;
    background: rgba(0, 20, 40, 0.9);
    border: 1px solid rgba(0, 242, 255, 0.3);
    border-right: none;
    border-radius: 8px 0 0 8px;
    cursor: pointer;
    color: #00f2ff;
}

.main-nav-tab {
    flex: 1;
    padding: 12px;
    text-align: center;
    font-size: 10px;
    font-weight: 800;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.4);
}

.main-nav-tab.active {
    color: #00f2ff;
    border-bottom: 2px solid #00f2ff;
    background: rgba(0, 242, 255, 0.05);
}

.panel-section {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-engine {
    background: #002244;
    border: 1px solid #00f2ff;
    color: #00f2ff;
    padding: 12px 32px;
    font-size: 14px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.2s;
}

.btn-engine.off {
    border-color: #ff4400;
    color: #ff4400;
    background: #220000;
}

#game-controls-overlay {
    position: absolute;
    bottom: 10px;
    left: 15%;
    transform: translateX(-50%);
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    pointer-events: none;
}

#game-controls-overlay>* {
    pointer-events: auto;
}

.speed-hud {
    font-family: monospace;
    font-size: 24px;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 242, 255, 0.5);
}

.safe {
    color: #00ff88;
}

.danger {
    color: #ff4400;
}

/* Economy HUD Styles */
.economy-tag {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.transaction-notice {
    position: absolute;
    font-weight: 900;
    font-size: 14px;
    pointer-events: none;
    animation: flow-up 2s forwards ease-out;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    z-index: 100;
}

@keyframes flow-up {
    0% {
        transform: translateY(0);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    80% {
        opacity: 1;
    }

    100% {
        transform: translateY(-40px);
        opacity: 0;
    }
}

/* Responsive Adjustments */
@media (max-width: 500px) {
    .absolute.top-5.left-5 {
        top: 0.75rem !important;
        left: 0.75rem !important;
        gap: 0.5rem !important;
    }

    .bg-black\/60.p-4 {
        padding: 0.6rem !important;
    }

    .economy-tag {
        padding: 0.4rem 0.75rem !important;
    }

    .economy-tag .text-xl {
        font-size: 1.125rem !important;
        /* 18px */
    }

    .economy-tag .text-\[8px\] {
        font-size: 7px !important;
    }

    #top-economy-hud {
        gap: 0.25rem !important;
    }

    #game-controls-overlay {
        left: 50% !important;
        bottom: 20px !important;
        width: 90% !important;
        max-width: 280px !important;
        transform: translateX(-50%) !important;
    }

    #game-controls-overlay .p-4 {
        padding: 0.75rem !important;
    }

    .speed-hud {
        font-size: 1.25rem !important;
        /* 20px */
    }

    .btn-engine {
        padding: 8px 20px !important;
        font-size: 12px !important;
    }

    .tutorial-overlay {
        width: 90% !important;
        max-width: 300px !important;
        padding: 0.75rem !important;
    }

    #tut-step-text {
        font-size: 9px !important;
    }
}

/* Shop Styles */
.shop-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 20px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.shop-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 242, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.shop-card.recommended {
    border-color: rgba(34, 197, 94, 0.3);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(34, 197, 94, 0.02));
}

.shop-card.recommended::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle at top right, rgba(34, 197, 94, 0.15), transparent 70%);
    pointer-events: none;
}

.buy-button {
    width: 100%;
    margin-top: 10px;
    background: linear-gradient(90deg, #00f2ff, #00d2ff);
    color: #000;
    border: none;
    border-radius: 8px;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    font-weight: 900;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    box-shadow: 0 4px 15px rgba(0, 242, 255, 0.2);
}

.buy-button:hover {
    background: #fff;
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 242, 255, 0.4);
}

.buy-button:active {
    transform: scale(0.96);
}

.shop-card.recommended .buy-button {
    background: linear-gradient(90deg, #22c55e, #10b981);
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.2);
}

.shop-card.recommended .buy-button:hover {
    background: #fff;
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.4);
}