/* ═══════════════════════════════════════════════
   每页条数选择器 - 向上弹出浮层
══════════════════════════════════════════════ */

/* 触发器 */
.page-size-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.85rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(99, 102, 241, 0.22);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.82rem;
    cursor: pointer;
    transition:
        border-color 0.2s ease,
        color 0.2s ease,
        background 0.2s ease,
        box-shadow 0.2s ease;
    user-select: none;
}

.page-size-trigger:hover {
    border-color: rgba(0, 242, 255, 0.4);
    color: rgba(255, 255, 255, 0.85);
    background: rgba(0, 242, 255, 0.06);
}

.page-size-trigger:focus-visible {
    outline: 2px solid rgba(0, 242, 255, 0.55);
    outline-offset: 2px;
}

.page-size-trigger .trigger-label {
    color: rgba(255, 255, 255, 0.35);
}

.page-size-trigger .trigger-value {
    color: #00f2ff;
    font-weight: 600;
}

.page-size-trigger .trigger-arrow {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.3);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.page-size-trigger[aria-expanded="true"] .trigger-arrow {
    transform: rotate(180deg);
}

/* 浮层容器 */
.page-size-dropdown {
    position: relative;
    display: inline-block;
}

/* 浮层面板 */
.page-size-panel {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) scale(0.92);
    transform-origin: bottom center;
    opacity: 0;
    pointer-events: none;
    transition:
        opacity 0.22s ease,
        transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 1000;
}

.page-size-panel.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) scale(1);
}

/* 浮层面板内部 */
.page-size-panel-inner {
    background: #050510;
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 16px;
    padding: 0.85rem 0.75rem;
    min-width: 130px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.03) inset,
        0 0 40px rgba(99, 102, 241, 0.08);
    position: relative;
}

/* 向上三角装饰 */
.page-size-panel-inner::after {
    content: '';
    position: absolute;
    bottom: -7px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 7px;
    background: #050510;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.page-size-panel-inner::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 8px;
    background: rgba(99, 102, 241, 0.25);
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    z-index: -1;
}

/* 面板标题 */
.page-size-panel-title {
    text-align: center;
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.25);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding-bottom: 0.55rem;
    margin-bottom: 0.35rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* 选项列表 */
.page-size-options {
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
}

.page-size-option {
    width: 100%;
    padding: 0.58rem 1rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition:
        border-color 0.18s ease,
        color 0.18s ease,
        background 0.18s ease,
        box-shadow 0.18s ease;
    letter-spacing: 0.02em;
}

.page-size-option:hover {
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.04);
}

.page-size-option.active {
    border-color: rgba(0, 242, 255, 0.5);
    color: #00f2ff;
    background: rgba(0, 242, 255, 0.07);
    box-shadow: 0 0 10px rgba(0, 242, 255, 0.15);
}

.page-size-option:focus-visible {
    outline: 2px solid rgba(0, 242, 255, 0.55);
    outline-offset: 1px;
}

/* 暗色遮罩层（点击外部关闭） */
.page-size-backdrop {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: none;
}

.page-size-backdrop.show {
    display: block;
}