.mobile_controls {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 18px;
    justify-content: space-between;
    align-items: flex-end;
    z-index: 500;
    pointer-events: none;
}

@media (hover: none) and (pointer: coarse),
(max-width: 768px) {
    .mobile_controls.active {
        display: flex;
    }
}

.mobile_controls_left,
.mobile_controls_right {
    display: flex;
    gap: 12px;
    pointer-events: auto;
}

.mobile_btn {
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 50%;
    background: rgba(198, 102, 47, 0.85);
    color: white;
    font-size: 24px;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    user-select: none;
    touch-action: manipulation;
    transition: transform 0.1s ease, background 0.1s ease;
}

.mobile_btn:active {
    transform: scale(0.92);
    background: rgba(198, 102, 47, 1);
}

.mobile_controls_right.shift-left {
    transform: translateX(-36px);
    transition: transform 0.15s ease;
}

@media (max-width: 600px) {
    .mobile_controls_right.shift-left {
        transform: translateX(-52px);
    }
}

@media (max-width: 600px) {
    .game_area {
        width: 95vw;
    }

    h1 {
        font-size: 36px;
        margin-top: 8px;
    }

    .game_button {
        font-size: 18px;
        padding: 10px 20px;
    }

    .mobile_btn {
        width: 55px;
        height: 55px;
        font-size: 20px;
    }

    .mobile_controls {
        padding: 0 20px;
        bottom: 15px;
    }

    .canvas_info_buttons {
        width: calc(95vw - 16px);
        bottom: 10px;
    }

    .canvas_info_button {
        font-size: 13px;
        padding: 8px 10px;
    }

    .info_overlay {
        padding: 10px;
    }

    .info_overlay_card {
        max-height: 86vh;
    }
}

@media (max-width: 400px) {
    h1 {
        font-size: 28px;
    }

    .mobile_btn {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }

    .mobile_controls {
        padding: 0 15px;
    }

    .mobile_controls_left,
    .mobile_controls_right {
        gap: 8px;
    }
}

.portrait_overlay {
    display: none;
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #c6662f 0%, #8b4513 100%);
    z-index: 10000;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 20px;
}

.portrait_overlay.visible {
    display: flex;
}

.game_area.hidden_by_orientation {
    display: none;
}

.portrait_content {
    max-width: 90%;
}

.rotate_icon {
    font-size: 80px;
    margin-bottom: 50px;
    animation: rotate-pulse 2s ease-in-out infinite;
}

@keyframes rotate-pulse {

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

    50% {
        transform: rotate(90deg) scale(1.1);
    }
}

.portrait_overlay h2 {
    font-family: "Rye", Arial, Helvetica, sans-serif;
    font-size: 28px;
    margin-bottom: 12px;
}

.portrait_overlay p {
    font-family: "Rye", Arial, Helvetica, sans-serif;
    font-size: 16px;
    opacity: 0.9;
}

body.mobile_landscape_fullscreen .game_area {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    max-width: none;
    max-height: none;
}

body.mobile_landscape_fullscreen #canvas {
    width: 100vw;
    height: 100vh;
    max-width: none;
    max-height: none;
    box-shadow: none;
}

body.mobile_landscape_fullscreen .canvas_info_buttons {
    width: calc(100vw - 24px);
    max-width: 1280px;
    bottom: 12px;
}

body.mobile_landscape_fullscreen .mobile_controls {
    bottom: 10px;
    padding: 0 12px;
}

body.mobile_landscape_fullscreen .mobile_btn {
    width: 55px;
    height: 55px;
    font-size: 20px;
}

@media (orientation: landscape) and (max-height: 450px) {
    .mobile_btn {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }

    .mobile_controls {
        bottom: 5px;
        padding: 0 10px;
    }

    .mobile_controls_left,
    .mobile_controls_right {
        gap: 8px;
    }
}

.canvas_info_button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.canvas_info_button img {
    width: 18px;
    height: 18px;
    display: block;
}