/**
 * 上传进度 - 全屏遮罩 + 三层叠放循环动画
 *
 * @package Zhiyuan_Imgzus
 */

/* ===== 全屏遮罩 ===== */

.upload-progress-overlay {
    position: fixed;
    inset: 0;
    z-index: 100050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity 0.35s ease,
        visibility 0.35s ease;
}

.upload-progress-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

.upload-progress-overlay[hidden] {
    display: none !important;
}

.upload-progress-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(1.25rem);
    -webkit-backdrop-filter: blur(1.25rem);
}

body.upload-progress-open {
    overflow: hidden;
}

/* ===== 进度卡片 ===== */

.upload-progress-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 22rem);
    padding: 1.75rem 1.5rem 1.5rem;
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(1.5rem) saturate(180%);
    -webkit-backdrop-filter: blur(1.5rem) saturate(180%);
    border: 1px solid rgba(14, 165, 233, 0.2);
    box-shadow:
        0 1.5rem 3rem rgba(15, 23, 42, 0.18),
        inset 0 0.0625rem 0 rgba(255, 255, 255, 0.85);
    text-align: center;
    transform: translateY(1.25rem) scale(0.96);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.upload-progress-overlay.is-visible .upload-progress-panel {
    transform: translateY(0) scale(1);
}

.upload-progress-overlay.is-complete .upload-stack__layer {
    animation: none !important;
}

/* ===== 叠放预览 ===== */

.upload-progress-overlay .upload-stack {
    position: relative;
    width: 100%;
    max-width: 16.25rem;
    height: 12rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .upload-progress-overlay .upload-stack {
        max-width: 18.75rem;
        height: 13.5rem;
    }
}

.upload-stack__layers {
    position: absolute;
    inset: 0;
}

.upload-stack__layer {
    position: absolute;
    inset: 0;
    transform-origin: center center;
    will-change: transform;
}

.upload-stack.is-animating .upload-stack__layer[data-layer="0"] {
    animation: uploadStackLayer0 2.4s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

.upload-stack.is-animating .upload-stack__layer[data-layer="1"] {
    animation: uploadStackLayer1 2.4s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

.upload-stack.is-animating .upload-stack__layer[data-layer="2"] {
    animation: uploadStackLayer2 2.4s cubic-bezier(0.34, 1.56, 0.64, 1) infinite;
}

.upload-stack__layer[data-layer="0"] {
    transform: rotate(-4deg);
}

.upload-stack__layer[data-layer="1"] {
    transform: translateY(0.75rem) scale(0.96);
}

.upload-stack__layer[data-layer="2"] {
    transform: translateY(1.5rem) scale(0.92) rotate(3deg);
}

@keyframes uploadStackLayer0 {
    0%, 100% {
        transform: rotate(-4deg);
    }

    50% {
        transform: rotate(-12deg) translateY(-0.25rem) scale(0.95);
    }
}

@keyframes uploadStackLayer1 {
    0%, 100% {
        transform: translateY(0.75rem) scale(0.96);
    }

    50% {
        transform: translateY(-0.625rem) scale(1);
    }
}

@keyframes uploadStackLayer2 {
    0%, 100% {
        transform: translateY(1.5rem) scale(0.92) rotate(3deg);
    }

    50% {
        transform: rotate(12deg) translateY(-0.25rem) scale(0.95);
    }
}

.upload-stack__frame {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 0.75rem;
    box-shadow:
        0 0.625rem 1.5rem rgba(15, 23, 42, 0.18),
        0 0 0 1px rgba(15, 23, 42, 0.06);
    background: #e2e8f0;
}

.upload-stack__frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.upload-stack__frame.is-empty {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(99, 102, 241, 0.12));
}

.upload-stack__badge {
    position: absolute;
    right: 0;
    bottom: -0.5rem;
    z-index: 20;
    padding: 0.125rem 0.625rem;
    border-radius: 999px;
    background: #0ea5e9;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.4;
    box-shadow: 0 0.25rem 0.75rem rgba(14, 165, 233, 0.35);
}

/* ===== 进度信息 ===== */

.upload-progress-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 1.5rem;
    font-size: 0.9375rem;
}

.upload-progress-label {
    color: #334155;
    font-weight: 600;
}

.upload-progress-percent {
    font-weight: 700;
    color: #0ea5e9;
    font-variant-numeric: tabular-nums;
}

.upload-liquid-progress {
    position: relative;
    width: 100%;
    height: 3.25rem;
    margin-top: 0.5rem;
    overflow: visible;
}

.upload-liquid-progress__canvas {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    pointer-events: none;
    transform: translateZ(0);
    backface-visibility: hidden;
    filter: url('#zhiyuan-upload-goo');
    clip-path: inset(0.52rem -2rem -1.35rem -0.85rem);
}

.upload-progress-filename {
    margin: 0.625rem 0 0;
    font-size: 0.8125rem;
    color: #64748b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.upload-progress-summary {
    margin: 0.35rem 0 0;
    font-size: 0.8125rem;
    color: #94a3b8;
}

.upload-section .status-text--progress {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.75rem;
    color: var(--neon-primary, #0ea5e9);
    font-variant-numeric: tabular-nums;
}

/* ===== 后台适配 ===== */

.upload-progress-overlay--admin {
    z-index: 100001;
}

.upload-progress-overlay--admin .upload-progress-backdrop {
    background: rgba(240, 240, 241, 0.82);
}

.upload-progress-overlay--admin .upload-progress-panel {
    background: #fff;
    border-color: #c3c4c7;
    box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.12);
}

.upload-progress-overlay--admin .upload-progress-label {
    color: #1d2327;
}

.upload-progress-overlay--admin .upload-progress-percent {
    color: #2271b1;
}

.upload-progress-overlay--admin .upload-progress-filename,
.upload-progress-overlay--admin .upload-progress-summary {
    color: #646970;
}

.upload-progress-overlay--admin .upload-stack__badge {
    background: #2271b1;
    box-shadow: 0 0.25rem 0.75rem rgba(34, 113, 177, 0.25);
}

/* ===== 无障碍：减少动画 ===== */

html.no-animations .upload-stack.is-animating .upload-stack__layer {
    animation: none !important;
}

html.no-animations .upload-progress-overlay,
html.no-animations .upload-progress-panel {
    transition: none;
}