@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600;700&family=Manrope:wght@300;400;500;600;700&display=swap');

:root {
    --bg: #f6f4ee;
    --bg-alt: #ebe7dc;
    --paper: rgba(255, 255, 255, 0.8);
    --line: rgba(21, 59, 70, 0.14);
    --text: #1e333d;
    --muted: #62747b;
    --brand: #1e6fbf;
    --brand-strong: #0b4fa8;
    --warm: #4fb3ff;
    --danger: #a24141;
    --danger-bg: rgba(216, 109, 109, 0.16);
    --shadow: 0 24px 52px rgba(10, 24, 30, 0.12);
    --shadow-soft: 0 12px 26px rgba(10, 24, 30, 0.09);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    min-height: 100%;
    font-family: 'Manrope', sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
    overflow-x: clip;
}

html { scroll-padding-top: 0; }

body {
    position: relative;
    overflow-x: hidden;
    overflow-x: clip;
}

body.viewer-open {
    overflow: hidden;
}

.bg-image-overlay {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.4s;
}

.bg-image-overlay.active {
    opacity: var(--bg-image-opacity, 0.3);
}

.bg-image-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bg-image-remove {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: rgba(0,0,0,0.04);
    color: var(--muted);
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.bg-image-remove:hover {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger);
}

.bg-image-preview {
    border-radius: 10px;
    border: 1px solid var(--line);
    background: rgba(0,0,0,0.02);
    height: 48px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bg-image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bg-image-hint {
    font-size: 0.72rem;
    color: var(--muted);
}

.spa-embedded .bgm-dock {
    display: none !important;
}

.spa-embedded .page {
    padding-top: 0.4rem;
}

.spa-embedded #backHomeLink {
    display: none;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 10% 10%, rgba(79, 179, 255, 0.2), transparent 38%),
        radial-gradient(circle at 84% 4%, rgba(11, 95, 168, 0.2), transparent 34%),
        radial-gradient(circle at 70% 82%, rgba(255, 255, 255, 0.82), transparent 38%),
        linear-gradient(132deg, #faf8f2 0%, var(--bg-alt) 50%, #f6f4ed 100%);
    transform: scale(1.1);
    transform-origin: center;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(90deg, rgba(30, 51, 61, 0.03) 1px, transparent 1px),
        linear-gradient(180deg, rgba(30, 51, 61, 0.03) 1px, transparent 1px);
    background-size: 34px 34px;
}

a,
button,
input,
select {
    font: inherit;
    touch-action: manipulation;
}

button {
    border: none;
    background: none;
    cursor: pointer;
}

.page {
    position: relative;
    z-index: 1;
    width: min(1320px, 100%);
    max-width: 100%;
    margin: 0 auto;
    padding: 0 11px 2rem;
    min-width: 0;
}

.panel {
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: var(--radius-xl);
    background: var(--paper);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.panel-lite {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.72);
}

.gallery-header {
    position: sticky;
    top: 0;
    z-index: 25;
    padding: 0.76rem 1rem;
    border-radius: 20px;
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.header-brand h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2rem, 4.8vw, 2.8rem);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--brand-strong);
    line-height: 1;
}

.header-brand p {
    margin-top: 0.24rem;
    color: var(--muted);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.btn,
.ghost-btn,
.album-btn,
.chip,
.viewer-btn,
.viewer-nav,
.viewer-close,
.mobile-tool-btn,
.delete-album {
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn,
.ghost-btn,
.mobile-tool-btn {
    min-height: 42px;
    border-radius: 999px;
    padding: 0.68rem 1rem;
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
}

.btn {
    background: var(--brand-strong);
    color: #eef6f7;
}

.ghost-btn {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.8);
    color: var(--text);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.upload-btn input {
    display: none;
}

/* 响应式：桌面上传按钮 / 移动上传浮层 */
.upload-desktop-only { display: inline-flex; }
.upload-mobile-only { display: none; }

@media (max-width: 860px) {
    .layout {
        grid-template-columns: minmax(0, 1fr);
    }
    .upload-desktop-only { display: none; }
    .upload-mobile-only { display: inline-flex; }
    
    .mobile-tools {
        display: flex;
    }
    
    .mobile-tools .upload-btn {
        min-height: 38px;
        padding: 0.5rem 0.8rem;
        font-size: 0.72rem;
    }
}

.gallery-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 0.8rem 0 0;
}

.memo-page-btn {
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.78);
    border-radius: 999px;
    padding: 0.65rem 1rem;
    min-height: 42px;
}

.memo-page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.mobile-upload-panel {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0,0,0,0.28);
}

.mobile-upload-panel.active {
    display: grid;
}

.mobile-upload-content {
    margin: 0 auto;
    width: min(520px, 92vw);
    background: rgba(255,255,255,0.96);
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,0.78);
    box-shadow: var(--shadow);
    padding: 1.2rem;
}

.mobile-upload-title {
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.mobile-upload-hint {
    color: var(--muted);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.mobile-upload-target {
    margin-top: 0.9rem;
    color: var(--muted);
    font-size: 0.9rem;
}
/* 上传按钮居中 */
.upload-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.4rem;
}

.layout {
    /* 保留顶部空间，避免 sticky 顶部栏与下方模块重叠 */
    margin-top: 0.9rem;
    display: grid;
    gap: 0.9rem;
    grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
    min-width: 0;
}

/* 全局悬浮音乐控制 */
.bgm-dock {
    position: fixed;
    right: calc(12px + env(safe-area-inset-right));
    bottom: calc(14px + env(safe-area-inset-bottom));
    z-index: 1450;
    display: flex;
    align-items: flex-end;
    gap: 0.44rem;
}

.floating-bgm {
    display: inline-flex;
    position: static;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    background: var(--brand-strong);
    color: #f1f6f7;
    border: 1px solid rgba(255, 255, 255, 0.36);
    box-shadow: var(--shadow-soft);
    font-size: 1rem;
    touch-action: manipulation;
    transition: background 0.3s;
}

.bgm-menu-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.36);
    background: var(--brand-strong);
    color: #eef6f7;
    box-shadow: var(--shadow-soft);
    font-size: 1.22rem;
    line-height: 1;
    transition: background 0.3s;
}

.bgm-menu-btn[aria-expanded="true"] {
    filter: brightness(1.15);
}

.bgm-menu-panel {
    position: absolute;
    right: 0;
    bottom: calc(100% + 0.56rem);
    width: min(320px, calc(100vw - 24px));
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.78);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 20px 60px rgba(12, 25, 31, 0.16), 0 0 0 1px rgba(0,0,0,0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0;
    overflow: hidden;
    animation: panelSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes panelSlideUp {
    from { opacity: 0; transform: translateY(8px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.panel-section {
    padding: 0.88rem 1rem;
    display: grid;
    gap: 0.6rem;
}

.panel-section-head {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.panel-section-icon {
    font-size: 0.9rem;
}

.panel-section-title {
    color: var(--text);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    flex: 1;
}

.panel-divider {
    height: 1px;
    background: var(--line);
    margin: 0 1rem;
}

.bgm-menu-panel .audio-status {
    font-size: 0.68rem;
    color: var(--muted);
    background: rgba(0,0,0,0.04);
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-weight: 500;
}

.bgm-menu-panel .audio-name {
    padding: 0.5rem 0.7rem;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: rgba(0,0,0,0.02);
    font-size: 0.82rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
    color: var(--text);
}

.audio-controls {
    display: flex;
}

.audio-file-btn {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.9rem;
    border-radius: 10px;
    background: var(--brand-strong);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-family: inherit;
}

.audio-file-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.audio-file-btn input {
    display: none;
}

.audio-file-icon {
    font-size: 0.85rem;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.volume-icon {
    font-size: 0.85rem;
    opacity: 0.6;
}

.volume-range {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--line);
    border-radius: 999px;
    outline: none;
}

.volume-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--brand-strong);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: transform 0.15s;
}

.volume-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.volume-value {
    font-size: 0.72rem;
    color: var(--muted);
    min-width: 2.2rem;
    text-align: right;
    font-weight: 600;
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
}

.theme-swatch {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 12px;
    background: var(--swatch);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    overflow: hidden;
}

.theme-swatch:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.theme-swatch.active {
    border-color: var(--swatch);
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--swatch);
}

.swatch-check {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    opacity: 0;
    transition: opacity 0.2s;
}

.theme-swatch.active .swatch-check {
    opacity: 1;
}

.control-column,
.workspace {
    padding: 1.1rem;
    min-width: 0;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.section-head h2,
.workspace h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.55rem;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--brand-strong);
}

.section-sub {
    color: var(--muted);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.album-rail {
    margin-top: 0.9rem;
    display: grid;
    gap: 0.56rem;
}

.album-btn {
    width: 100%;
    text-align: left;
    border-radius: 14px;
    padding: 0.72rem 0.8rem;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-soft);
}

.album-btn.active {
    background: var(--brand-strong);
    border-color: var(--brand-strong);
    color: #edf5f6;
}

.album-name {
    font-size: 0.9rem;
    font-weight: 700;
    word-break: break-word;
}

.album-meta {
    margin-top: 0.2rem;
    opacity: 0.8;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.album-actions {
    margin-top: 0.85rem;
    display: grid;
    gap: 0.52rem;
}

.album-input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.5rem;
}

.album-input {
    min-height: 40px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.86);
    padding: 0.6rem 0.78rem;
    outline: none;
}

.delete-album {
    min-height: 40px;
    border-radius: 999px;
    border: 1px solid rgba(162, 65, 65, 0.35);
    background: var(--danger-bg);
    color: var(--danger);
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
}

.workspace-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.workspace-title-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.workspace-note {
    color: var(--muted);
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.mobile-tools {
    margin-top: 0.7rem;
    display: none;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.mobile-tool-btn {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.84);
    color: var(--text);
}

.mobile-tool-btn.active {
    background: var(--brand-strong);
    border-color: var(--brand-strong);
    color: #eff5f6;
}

.filters {
    margin-top: 0.8rem;
    padding: 0.86rem;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 0.68rem;
}

.field {
    display: grid;
    gap: 0.36rem;
}

.field label {
    color: var(--muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.field input,
.field select {
    min-height: 38px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.88);
    padding: 0.56rem 0.68rem;
    outline: none;
}

.chips {
    margin-top: 0.76rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.chip {
    min-height: 34px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text);
    padding: 0.46rem 0.75rem;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
}

.chip.active {
    background: var(--brand-strong);
    border-color: var(--brand-strong);
    color: #ecf5f6;
}

.gallery-grid {
    margin-top: 0.95rem;
    display: grid;
    gap: 0.65rem;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
}

.gallery-card {
    border: none;
    text-align: left;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    position: relative;
    box-shadow: var(--shadow-soft);
    background: #ffffff;
}

.gallery-card img,
.gallery-card video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-badge {
    position: absolute;
    right: 8px;
    top: 8px;
    border-radius: 999px;
    background: rgba(248, 246, 238, 0.94);
    color: var(--brand-strong);
    font-size: 0.62rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    padding: 0.2rem 0.5rem;
    font-weight: 700;
}

.card-meta {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0.64rem;
    background: linear-gradient(0deg, rgba(10, 25, 31, 0.85), rgba(10, 25, 31, 0));
    color: #f0f6f7;
}

.card-date {
    font-size: 0.64rem;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    opacity: 0.85;
}

.card-name {
    margin-top: 0.2rem;
    font-size: 0.76rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.empty-state {
    margin-top: 0.9rem;
    border-radius: 14px;
    border: 1px dashed var(--line);
    background: rgba(255, 255, 255, 0.56);
    color: var(--muted);
    text-align: center;
    padding: 1rem;
}

.is-hidden {
    display: none;
}

.photo-viewer {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: rgba(6, 12, 15, 0.94);
    touch-action: manipulation;
    overscroll-behavior: contain;
    overflow: hidden;
    padding: 10px;
}

.photo-viewer.active {
    display: flex;
}

/* 在查看器或移动面板打开时隐藏可能覆盖查看器的固定控件 */
body.viewer-open .floating-bgm,
body.viewer-open .bgm-menu-btn,
body.viewer-open .bgm-menu-panel,
body.viewer-open .bullet-lane,
body.viewer-open .topbar,
body.viewer-open .route-switch,
body.viewer-open .bgm-dock,
body.mobile-panel-open .floating-bgm,
body.mobile-panel-open .bgm-menu-btn,
body.mobile-panel-open .bgm-menu-panel,
body.mobile-panel-open .route-switch,
body.mobile-panel-open .bgm-dock {
    display: none !important;
}

/* 幻灯片播放时也隐藏导航栏 */
body.slideshow-open .route-switch,
body.slideshow-open .bgm-dock,
body.slideshow-open .floating-bgm,
body.slideshow-open .bgm-menu-btn {
    display: none !important;
}

.viewer-container {
    position: relative;
    width: min(calc(100% - 20px), 980px);
    height: min(68vh, 640px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 56px;
}

.viewer-image {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.viewer-video {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.viewer-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(245, 243, 236, 0.92);
    color: var(--brand-strong);
    font-size: 1.4rem;
    font-weight: 700;
}

.viewer-nav.prev {
    left: 8px;
}

.viewer-nav.next {
    right: 8px;
}

.viewer-close {
    position: absolute;
    right: 20px;
    top: 16px;
    color: #f5f7f8;
    font-size: 2rem;
    line-height: 1;
    padding: 0.5rem;
    z-index: 100;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.viewer-close:hover {
    background: rgba(0, 0, 0, 0.5);
    transform: scale(1.1);
}

.viewer-close:active {
    transform: scale(0.95);
}

.viewer-info {
    margin-top: 0.74rem;
    color: #f5f7f8;
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
    max-width: min(calc(100% - 20px), 980px);
    padding: 0 10px;
    white-space: normal;
    word-break: break-word;
}

.viewer-controls {
    margin-top: 0.85rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.54rem;
    justify-content: center;
}

.viewer-btn {
    min-height: 38px;
    border-radius: 999px;
    padding: 0.56rem 0.95rem;
    background: rgba(245, 243, 236, 0.92);
    color: var(--brand-strong);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
}

.viewer-btn.danger {
    color: var(--danger);
    background: rgba(240, 147, 147, 0.85);
}

html.mobile-lite body::before,
html.mobile-lite body::after {
    position: absolute;
}

html.mobile-lite .panel {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(255, 255, 255, 0.92);
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}

@media (max-width: 980px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .viewer-container {
        width: min(calc(100% - 20px), 760px);
        height: min(62vh, 520px);
        padding: 0 42px;
    }

    .viewer-nav {
        width: 38px;
        height: 38px;
        font-size: 1.2rem;
    }

    .viewer-nav.prev {
        left: 2px;
    }

    .viewer-nav.next {
        right: 2px;
    }
}

@media (max-width: 860px) {
    .page {
        width: 100%;
        padding: 0.75rem 10px 2rem;
    }

    .gallery-header {
        display: flex;
        position: static;
        border-radius: 18px;
        padding: 0.78rem;
    }

    .gallery-header,
    .workspace,
    .control-column {
        border-radius: 20px;
        padding: 0.88rem;
    }

    .header-actions,
    .album-input-row {
        width: 100%;
        grid-template-columns: 1fr;
    }

    .btn,
    .ghost-btn,
    .delete-album {
        width: 100%;
    }

    .mobile-tools {
        display: flex;
    }

    .control-column,
    .filters {
        display: none;
    }

    .control-column.mobile-open,
    .filters.mobile-open {
        display: block;
    }

    .control-column {
        margin-top: 0.5rem;
    }

    .filters.mobile-open {
        margin-top: 0.75rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.52rem;
    }

    .card-badge {
        display: none;
    }
}

@media (max-width: 480px) {
    .photo-viewer {
        padding: 0;
    }

    .workspace-note {
        font-size: 0.68rem;
    }

    .mobile-tools {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 0.4rem;
    }

    .mobile-tools .upload-btn {
        grid-column: span 1;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .viewer-controls {
        width: 100%;
        display: flex;
        gap: 0.5rem;
        padding: 0 16px;
        justify-content: center;
    }

    .viewer-container {
        width: 100%;
        max-width: none;
        height: min(55dvh, 400px);
        padding: 0 2px;
        margin-top: 60px;
    }

    .viewer-info {
        max-width: 100%;
        padding: 0 8px;
    }

    .viewer-nav {
        display: none;
    }

    .viewer-btn {
        flex: 1;
        min-width: 0;
        padding: 0.65rem 0.5rem;
        font-size: 0.75rem;
        border-radius: 12px;
        letter-spacing: 0.04em;
    }

    .bgm-menu-btn {
        width: 40px;
        height: 40px;
    }

    .bgm-menu-panel {
        width: min(312px, calc(100vw - 20px));
        padding: 0.66rem;
    }
}

@media (max-width: 860px) {
    html,
    body {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
        overflow-x: clip;
    }
}

/* ===== 标签和位置卡片样式 ===== */
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-top: 0.3rem;
}

.card-tag {
    display: inline-block;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    background: rgba(30, 111, 191, 0.12);
    color: var(--brand);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.card-location {
    margin-top: 0.2rem;
    font-size: 0.65rem;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== 筛选区域分隔线 ===== */
.filter-divider {
    height: 1px;
    background: var(--line);
    margin: 0.6rem 0;
}

/* ===== 工作区头部操作按钮 ===== */
.workspace-head-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.4rem;
}

.workspace-head-actions .btn-ghost {
    min-height: 34px;
    padding: 0.35rem 0.8rem;
    font-size: 0.72rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--brand);
    cursor: pointer;
    transition: all 0.2s;
}

.workspace-head-actions .btn-ghost:hover {
    background: rgba(30, 111, 191, 0.08);
}

/* ===== 查看器元数据编辑 ===== */
.viewer-meta-edit {
    margin-top: 0.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-width: min(calc(100% - 20px), 600px);
    width: 100%;
    padding: 0 10px;
}

.meta-edit-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.meta-edit-row label {
    color: #f5f7f8;
    font-size: 0.72rem;
    white-space: nowrap;
    min-width: 40px;
}

.meta-input {
    flex: 1;
    min-width: 0;
    height: 34px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: #f5f7f8;
    padding: 0 0.6rem;
    font-size: 0.72rem;
    outline: none;
    transition: border-color 0.2s;
}

.meta-input::placeholder {
    color: rgba(245, 247, 248, 0.4);
}

.meta-input:focus {
    border-color: rgba(245, 247, 248, 0.5);
}

.meta-edit-row .viewer-btn {
    min-height: 34px;
    padding: 0.35rem 0.7rem;
    font-size: 0.65rem;
    flex-shrink: 0;
}

/* ===== 幻灯片播放器 ===== */
.slideshow-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.96);
    padding: 20px;
}

.slideshow-overlay.active {
    display: flex;
}

.slideshow-close {
    position: absolute;
    right: 20px;
    top: 16px;
    color: #f5f7f8;
    font-size: 2rem;
    line-height: 1;
    padding: 0.16rem 0.45rem;
    cursor: pointer;
    background: none;
    border: none;
    z-index: 10;
}

.slideshow-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-height: calc(100vh - 160px);
    overflow: hidden;
}

.slideshow-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.slideshow-video {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.slideshow-info {
    color: #f5f7f8;
    font-size: 0.8rem;
    text-align: center;
    margin-top: 0.8rem;
    letter-spacing: 0.05em;
}

.slideshow-name {
    margin-left: 0.5rem;
    opacity: 0.7;
}

.slideshow-controls {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0.8rem;
    flex-wrap: wrap;
    justify-content: center;
}

.slideshow-btn {
    min-height: 40px;
    border-radius: 999px;
    padding: 0.5rem 1rem;
    background: rgba(245, 243, 236, 0.15);
    color: #f5f7f8;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.2s;
}

.slideshow-btn:hover {
    background: rgba(245, 243, 236, 0.25);
}

.slideshow-speed {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: #f5f7f8;
    font-size: 0.75rem;
}

.slideshow-speed select {
    background: rgba(255, 255, 255, 0.1);
    color: #f5f7f8;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 0.3rem 0.5rem;
    font-size: 0.75rem;
    outline: none;
}

/* 幻灯片移动端适配 */
@media (max-width: 480px) {
    .slideshow-overlay {
        padding: 10px;
    }

    .slideshow-controls {
        gap: 0.4rem;
    }

    .slideshow-btn {
        min-height: 36px;
        padding: 0.4rem 0.7rem;
        font-size: 0.72rem;
    }

    .viewer-meta-edit {
        padding: 0 4px;
    }

    .meta-edit-row {
        flex-wrap: wrap;
    }

    .meta-edit-row label {
        min-width: 36px;
        font-size: 0.68rem;
    }

    .meta-input {
        flex: 1 1 100%;
        font-size: 0.68rem;
    }

    .meta-edit-row .viewer-btn {
        flex: 1;
        font-size: 0.62rem;
    }

    .workspace-head-actions {
        display: none;
    }
}

/* ===== 相册页面动画效果 ===== */

/* 入场动画 */
@keyframes galleryFadeInUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes galleryScaleIn {
    from {
        opacity: 0;
        transform: scale(0.85);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes gallerySlideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes gallerySlideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes galleryFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 相册头部动画 */
.gallery-header {
    animation: galleryFadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* 控制面板动画 */
.control-column {
    animation: gallerySlideInLeft 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

/* 工作区动画 */
.workspace {
    animation: galleryFadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
}

/* 相册卡片交错动画 */
.gallery-card {
    animation: galleryScaleIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.gallery-card:nth-child(1) { animation-delay: 0.2s; }
.gallery-card:nth-child(2) { animation-delay: 0.25s; }
.gallery-card:nth-child(3) { animation-delay: 0.3s; }
.gallery-card:nth-child(4) { animation-delay: 0.35s; }
.gallery-card:nth-child(5) { animation-delay: 0.4s; }
.gallery-card:nth-child(6) { animation-delay: 0.45s; }
.gallery-card:nth-child(7) { animation-delay: 0.5s; }
.gallery-card:nth-child(8) { animation-delay: 0.55s; }
.gallery-card:nth-child(9) { animation-delay: 0.6s; }
.gallery-card:nth-child(10) { animation-delay: 0.65s; }
.gallery-card:nth-child(11) { animation-delay: 0.7s; }
.gallery-card:nth-child(12) { animation-delay: 0.75s; }

/* 相册卡片hover效果 */
.gallery-card:hover {
    transform: scale(1.05) translateY(-8px);
    box-shadow: 0 25px 50px rgba(12, 25, 31, 0.25);
    z-index: 10;
}

.gallery-card:hover .card-meta {
    background: linear-gradient(0deg, rgba(11, 79, 168, 0.9), rgba(11, 79, 168, 0));
}

.gallery-card:hover .card-name {
    color: #fff;
}

.gallery-card:active {
    transform: scale(0.98);
    transition-duration: 0.1s;
}

/* 相册卡片图片hover效果 */
.gallery-card img,
.gallery-card video {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-card:hover img,
.gallery-card:hover video {
    transform: scale(1.1);
}

/* 相册轨道动画 */
.album-rail {
    animation: galleryFadeIn 0.4s ease 0.2s both;
}

/* 相册按钮动画 */
.album-btn {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.album-btn:hover {
    transform: translateX(5px);
    background: rgba(30, 111, 191, 0.1);
}

.album-btn:active {
    transform: translateX(2px);
}

.album-btn.active {
    animation: pulse 2s ease-in-out infinite;
}

/* 筛选芯片动画 */
.chip {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.chip::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10, 10);
    opacity: 0;
    transition: transform 0.5s, opacity 1s;
}

.chip:active::after {
    transform: scale(0, 0);
    opacity: 0.3;
    transition: 0s;
}

.chip:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 111, 191, 0.2);
}

.chip:active {
    transform: translateY(0);
}

.chip.active {
    animation: galleryScaleIn 0.3s ease;
}

/* 上传按钮动画 */
.upload-btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.upload-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.upload-btn:hover::before {
    width: 300px;
    height: 300px;
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(11, 79, 168, 0.3);
}

.upload-btn:active {
    transform: translateY(0);
}

/* 移动端工具按钮动画 */
.mobile-tool-btn {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-tool-btn:hover {
    transform: translateY(-2px);
    background: rgba(30, 111, 191, 0.1);
}

.mobile-tool-btn:active {
    transform: scale(0.95);
}

/* 筛选面板动画 */
.filters {
    animation: galleryFadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* 输入框focus动画 */
.field input:focus,
.field select:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(30, 111, 191, 0.15);
    transition: all 0.3s ease;
}

/* 分页按钮动画 */
.gallery-page-btn {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-page-btn:hover:not(:disabled) {
    transform: translateX(3px);
    background: var(--brand-strong);
    color: #fff;
    border-color: var(--brand-strong);
}

.gallery-page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 照片查看器动画 */
.photo-viewer {
    animation: galleryFadeIn 0.3s ease;
}

.viewer-media {
    animation: galleryScaleIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.viewer-btn {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.viewer-btn:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

.viewer-btn:active {
    transform: scale(0.95);
}

/* 幻灯片动画 */
.slideshow-overlay {
    animation: galleryFadeIn 0.3s ease;
}

.slideshow-image,
.slideshow-video {
    animation: galleryScaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.slideshow-btn {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.slideshow-btn:hover {
    transform: scale(1.05);
    background: rgba(245, 243, 236, 0.25);
}

.slideshow-btn:active {
    transform: scale(0.95);
}

/* 删除按钮动画 */
.delete-album {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.delete-album:hover {
    transform: translateX(3px);
    background: var(--danger-bg);
    color: var(--danger);
}

/* 创建相册按钮动画 */
#createAlbumBtn {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#createAlbumBtn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(11, 79, 168, 0.2);
}

#createAlbumBtn:active {
    transform: scale(0.95);
}

/* 空状态动画 */
.empty-state {
    animation: galleryFadeIn 0.5s ease;
}

/* 加载状态动画 */
@keyframes loadingPulse {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 1;
    }
}

.loading {
    animation: loadingPulse 1.5s ease-in-out infinite;
}

/* 标签动画 */
.card-tag {
    transition: all 0.2s ease;
}

.card-tag:hover {
    transform: scale(1.1);
    background: rgba(30, 111, 191, 0.2);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(21, 59, 70, 0.2);
    border-radius: 999px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(21, 59, 70, 0.35);
}

/* 选中文本样式 */
::selection {
    background: rgba(30, 111, 191, 0.2);
    color: var(--text);
}