/* =====================================================
   超级情报局 - 液态玻璃下拉框样式
   基于 huakuai.css 的科技感滑块下拉框
   ===================================================== */

/* 液态玻璃下拉框容器 */
.glass-scroll-select {
    position: relative;
    display: inline-block;
    width: 100%;
}

/* 核心 select 样式 */
.glass-scroll-select select,
select.glass-select {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    padding: 12px 40px 12px 20px;
    background: rgba(20, 40, 50, 0.25);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5), inset 0 0 30px rgba(0, 255, 255, 0.2);
    color: #d6f0ff;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    cursor: pointer;
    height: auto;
    min-height: 50px;
    overflow-y: auto;
    resize: none;
    scroll-behavior: smooth;
}

/* 每个选项的样式 */
.glass-scroll-select select option,
select.glass-select option {
    background: transparent;
    color: #b3f0ff;
    padding: 12px 15px;
    border-bottom: 1px solid rgba(0, 255, 255, 0.15);
    text-shadow: 0 0 4px cyan;
    transition: all 0.2s;
}

/* 最后一项去掉分割线 */
.glass-scroll-select select option:last-child,
select.glass-select option:last-child {
    border-bottom: none;
}

/* 悬停选项时的效果 */
.glass-scroll-select select option:hover,
.glass-scroll-select select option:checked,
select.glass-select option:hover,
select.glass-select option:checked {
    background: rgba(0, 255, 255, 0.15);
    box-shadow: inset 0 0 20px cyan;
    color: white;
}

/* 自定义滚动条 — 科技感滑块 */
.glass-scroll-select select::-webkit-scrollbar,
select.glass-select::-webkit-scrollbar {
    width: 10px;
    background: rgba(0, 20, 30, 0.5);
    backdrop-filter: blur(4px);
    border-radius: 0 20px 20px 0;
}

.glass-scroll-select select::-webkit-scrollbar-track,
select.glass-select::-webkit-scrollbar-track {
    background: rgba(0, 255, 255, 0.05);
    border-radius: 10px;
    box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
}

.glass-scroll-select select::-webkit-scrollbar-thumb,
select.glass-select::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 255, 0.4);
    border-radius: 10px;
    box-shadow: 0 0 10px cyan, inset 0 0 6px rgba(255,255,255,0.5);
    border: 1px solid rgba(255,255,255,0.2);
}

.glass-scroll-select select::-webkit-scrollbar-thumb:hover,
select.glass-select::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 255, 0.7);
    box-shadow: 0 0 15px cyan, inset 0 0 10px white;
}

.glass-scroll-select select::-webkit-scrollbar-corner,
select.glass-select::-webkit-scrollbar-corner {
    background: transparent;
}

/* 装饰箭头 */
.glass-scroll-select::after {
    content: "⏷⏷";
    position: absolute;
    bottom: 15px;
    right: 20px;
    font-size: 1.2rem;
    color: #0ff;
    text-shadow: 0 0 8px cyan, 0 0 12px blue;
    pointer-events: none;
    opacity: 0.7;
    transform: rotate(0deg);
    animation: floatArrow 2s infinite ease-in-out;
}

@keyframes floatArrow {
    0% { opacity: 0.5; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(4px); }
    100% { opacity: 0.5; transform: translateY(0); }
}

/* 悬停时箭头强化 */
.glass-scroll-select:hover::after {
    color: #ffb86b;
    text-shadow: 0 0 12px orange;
}

/* 表单中的下拉框样式 - 适配现有表单 */
.form-control,
.form-select,
select[name],
select[id] {
    appearance: none;
    -webkit-appearance: none;
    background: rgba(20, 40, 50, 0.25) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 255, 255, 0.3) !important;
    border-radius: 20px !important;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5), inset 0 0 30px rgba(0, 255, 255, 0.2) !important;
    color: #d6f0ff !important;
    padding: 12px 40px 12px 20px !important;
    cursor: pointer;
}

/* 下拉框选项 */
.form-control option,
.form-select option,
select[name] option,
select[id] option {
    background: rgba(10, 20, 30, 0.95) !important;
    color: #b3f0ff !important;
    padding: 12px 15px !important;
}

/* 下拉框滚动条 */
.form-control::-webkit-scrollbar,
.form-select::-webkit-scrollbar,
select[name]::-webkit-scrollbar,
select[id]::-webkit-scrollbar {
    width: 10px;
    background: rgba(0, 20, 30, 0.5);
    border-radius: 10px;
}

.form-control::-webkit-scrollbar-thumb,
.form-select::-webkit-scrollbar-thumb,
select[name]::-webkit-scrollbar-thumb,
select[id]::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 255, 0.4);
    border-radius: 10px;
    box-shadow: 0 0 10px cyan;
}

.form-control::-webkit-scrollbar-thumb:hover,
.form-select::-webkit-scrollbar-thumb:hover,
select[name]::-webkit-scrollbar-thumb:hover,
select[id]::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 255, 0.7);
}