body {
    background-color: #fff;
}
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 3.125rem;
}

/* 挂牌动画区域 */
.signboard-container {
    position: relative;
    width: 12.5rem;
    height: 9.375rem;
    display: flex;
    justify-content: center;
    margin-bottom: 1.875rem;
}
.rope {
    position: absolute;
    top: 0;
    width: 6.25rem;
    height: 3.125rem;
    border-top: 0.125rem solid #FFC107; /* Yellow rope */
    border-radius: 50% 50% 0 0 / 100% 100% 0 0;
    z-index: 1;
}
.nail {
    position: absolute;
    top: -0.3125rem;
    width: 0.75rem;
    height: 0.75rem;
    background-color: #FFC107;
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0.0625rem 0.125rem rgba(0,0,0,0.2);
}
.board {
    position: absolute;
    top: 2.5rem;
    width: 11.25rem;
    height: 6.25rem;
    background-color: #FF7043; /* Orange for working */
    border-radius: 0.625rem;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0.3125rem 0 #E64A19;
    transition: all 0.3s;
}
.board.resting {
    background-color: #BDBDBD; /* Gray for resting */
    box-shadow: 0 0.3125rem 0 #9E9E9E;
}
.board-inner {
    width: 8.75rem;
    height: 3.75rem;
    background-color: #fff;
    border-radius: 0.3125rem;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: rotate(-2deg); /* Slightly tilted inner paper */
}
.status-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: #FF5722;
}
.board.resting .status-text {
    color: #757575;
}
.screw {
    position: absolute;
    width: 0.5rem;
    height: 0.5rem;
    background-color: #fff;
    border-radius: 50%;
    opacity: 0.8;
}
.top-left { top: 0.625rem; left: 0.625rem;
}
.top-right { top: 0.625rem; right: 0.625rem;
}
.bottom-left { bottom: 0.625rem; left: 0.625rem;
}
.bottom-right { bottom: 0.625rem; right: 0.625rem;
}

/* 文本描述 */
.status-desc {
    margin-bottom: 3.125rem;
    color: #333;
    font-size: 0.9375rem;
    font-weight: 500;
}

/* 按钮区域 */
.action-area {
    width: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.action-btn {
    width: 100%;
    height: 2.75rem;
    line-height: 2.75rem;
    border-radius: 1.375rem;
    color: #fff;
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 0.9375rem;
    border: none;
}
.action-btn::after { border: none;
}
.action-btn.stop {
    background: linear-gradient(90deg, #FF9800 0%, #FF5722 100%);
    box-shadow: 0 0.3125rem 0.625rem rgba(255, 87, 34, 0.3);
}
.action-btn.stopped {
    background-color: #E0E0E0;
    color: #999;
    box-shadow: none;
}
.tips {
    font-size: 0.75rem;
    color: #999;
    text-align: center;
    line-height: 1.5;
}