/* ===== 快捷圆形按钮（右下角） ===== */
.action-btns {
    position: fixed;
    bottom: 16px;
    right: 10px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.action-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid #e8e8e8;
    color: #888;
    font-size: 12px;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.9);
    line-height: 1;
}
.action-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    stroke: none;
}
.action-btn:hover {
    border-color: #ccc;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
.action-btn:active {
    transform: scale(0.95);
}
/* 各按钮独立配色 */
.action-btn.add-click { color: #34a853; }
.action-btn.add-click:hover { color: #2d9249; border-color: #a8d8b8; box-shadow: 0 2px 6px rgba(52,168,83,0.15); }

.action-btn.fullscreen-btn { color: #9c27b0; }
.action-btn.fullscreen-btn:hover { color: #7b1fa2; border-color: #ce93d8; box-shadow: 0 2px 6px rgba(156,39,176,0.15); }

.action-btn.help-btn { color: #f5a623; }
.action-btn.help-btn:hover { color: #d98e1a; border-color: #f7d9a8; box-shadow: 0 2px 6px rgba(245,166,35,0.15); }

.action-btn.locate-btn { color: #4285f4; }
.action-btn.locate-btn:hover { color: #3367d6; border-color: #a8c7fa; box-shadow: 0 2px 6px rgba(66,133,244,0.15); }

.action-btn.feedback-btn { color: #ea4335; }
.action-btn.feedback-btn:hover { color: #c53529; border-color: #f5a89e; box-shadow: 0 2px 6px rgba(234,67,53,0.15); }

/* 按钮文字提示 */
.action-btn .btn-text {
    position: absolute;
    right: 38px;
    background: rgba(0, 0, 0, 0.65);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.action-btn:hover .btn-text { opacity: 1; }

/* ===== 移动端适配 ===== */
@media (max-width: 768px) {
    /* 移动端隐藏全屏按钮（PC端保留） */
    .action-btn.fullscreen-btn { display: none !important; }
    .action-btns {
        bottom: 16px;
        right: 12px;
        gap: 8px;
    }
    .action-btn {
        width: 48px;
        height: 48px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
        border-width: 1.5px;
    }
    .action-btn svg {
        width: 22px;
        height: 22px;
    }
    .action-btn .btn-text { display: none; }
}