:root {
    --af-navy: #0a2647;
    --af-blue: #144272;
    --af-azure: #2c74b3;
    --af-ice: #5e9fff;
    --af-bg-start: #e8edf5;
    --af-bg-end: #d5deed;
    --af-text: #1a2332;
    --af-text-muted: #4a5a72;
    --af-white: #ffffff;
    --af-success: #187f63;
    --af-danger: #c64055;
    --af-warning: #ad6a00;
    --af-glass: rgba(255, 255, 255, 0.25);
    --af-glass-strong: rgba(255, 255, 255, 0.58);
    --af-glass-border: rgba(255, 255, 255, 0.4);
    --af-shadow: 0 8px 32px rgba(10, 38, 71, 0.08);
    --af-shadow-hover: 0 18px 46px rgba(10, 38, 71, 0.16);
    --af-radius: 20px;
    --af-radius-sm: 14px;
    --af-focus: 0 0 0 4px rgba(94, 159, 255, 0.2);
    --af-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
    --af-motion-fast: 160ms;
    --af-motion-base: 240ms;
    --af-motion-slow: 360ms;
}

*, *::before, *::after { box-sizing: border-box; }

html {
    min-height: 100%;
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
    background: var(--af-bg-end);
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--af-text);
    background:
        radial-gradient(circle at 12% 82%, rgba(94, 159, 255, 0.2), transparent 28rem),
        radial-gradient(circle at 80% 20%, var(--af-bg-start), var(--af-bg-end));
    background-attachment: fixed;
    font-family: Inter, "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body::before, body::after {
    content: "";
    position: fixed;
    z-index: -1;
    width: 28rem;
    height: 28rem;
    border-radius: 50%;
    filter: blur(10px);
    pointer-events: none;
}

body::before { top: -14rem; right: -7rem; background: rgba(94, 159, 255, 0.22); }
body::after { bottom: -16rem; left: -10rem; background: rgba(44, 116, 179, 0.14); }

html:has(.info-modal-backdrop),
html:has(.auth-feedback-backdrop),
html:has(.admin-dialog-backdrop),
body:has(.info-modal-backdrop),
body:has(.auth-feedback-backdrop),
body:has(.admin-dialog-backdrop) {
    overflow: hidden;
}

.info-modal-backdrop,
.auth-feedback-backdrop,
.admin-dialog-backdrop {
    overscroll-behavior: contain;
}

html.af-scroll-locked,
body.af-scroll-locked {
    overflow: hidden !important;
}

body.af-scroll-locked {
    position: fixed;
    inset-inline: 0;
    top: var(--af-scroll-lock-top, 0);
    width: 100%;
}

button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
a { color: var(--af-azure); }

button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--af-ice);
    outline-offset: 3px;
}

::selection { color: var(--af-white); background: var(--af-azure); }
h1, h2, h3, p { margin-top: 0; }
.glass-loading { animation: af-glass-enter 0.55s var(--af-ease) both; }
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.af-app-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: grid;
    place-items: center;
    padding: 24px;
    overflow: hidden;
    color: var(--af-navy);
    background:
        radial-gradient(circle at 72% 26%, rgba(94, 159, 255, 0.24), transparent 24rem),
        linear-gradient(145deg, #eef3fa, #d5deed);
    opacity: 1;
    visibility: visible;
    transition: opacity 520ms ease, visibility 520ms ease, filter 520ms var(--af-ease);
}

.af-app-loader.is-ready { opacity: 0; visibility: hidden; filter: blur(7px); pointer-events: none; }
.af-loader-ambient {
    position: absolute;
    width: min(58vw, 680px);
    aspect-ratio: 1;
    border-radius: 50%;
    filter: blur(4px);
    pointer-events: none;
    animation: af-loader-float 5.5s ease-in-out infinite alternate;
}
.ambient-one { top: -28%; right: -10%; background: radial-gradient(circle, rgba(94,159,255,.2), transparent 68%); }
.ambient-two { bottom: -36%; left: -13%; background: radial-gradient(circle, rgba(44,116,179,.16), transparent 68%); animation-delay: -2.4s; }
.af-loader-panel {
    position: relative;
    display: grid;
    width: min(88vw, 390px);
    justify-items: center;
    gap: 20px;
    padding: 36px 40px 32px;
    background: rgba(255,255,255,.32);
    border: 1px solid rgba(255,255,255,.66);
    border-radius: 28px;
    box-shadow: 0 24px 70px rgba(10,38,71,.12), inset 0 1px 0 rgba(255,255,255,.58);
    backdrop-filter: blur(22px) saturate(180%);
    -webkit-backdrop-filter: blur(22px) saturate(180%);
    transition: transform 520ms var(--af-ease), opacity 360ms ease;
}
.af-app-loader.is-ready .af-loader-panel { opacity: 0; transform: translateY(-8px) scale(.975); }
.af-loader-core { position: relative; display: grid; width: 96px; height: 96px; place-items: center; }
.af-loader-orbit { position: absolute; inset: 0; border: 1px solid rgba(44,116,179,.18); border-radius: 31px; }
.orbit-one { animation: af-loader-orbit 3.4s linear infinite; }
.orbit-two { inset: 9px; border-color: rgba(94,159,255,.28); border-radius: 25px; animation: af-loader-orbit-reverse 2.6s linear infinite; }
.af-loader-mark {
    display: grid;
    width: 66px;
    height: 66px;
    place-items: center;
    background: rgba(255, 255, 255, .7);
    border: 1px solid rgba(255, 255, 255, .82);
    border-radius: 21px;
    box-shadow: 0 14px 34px rgba(10,38,71,.14);
    animation: af-loader-breathe 1.8s var(--af-ease) infinite alternate;
}
.af-loader-mark img { width: 52px; height: 52px; object-fit: contain; }
.af-loader-copy { display: grid; justify-items: center; gap: 4px; text-align: center; }
.af-loader-eyebrow { margin-bottom: 3px; color: var(--af-azure); font-size: .62rem; font-weight: 900; letter-spacing: .15em; }
.af-loader-copy strong { color: var(--af-navy); font-size: clamp(1.2rem, 4vw, 1.52rem); font-weight: 900; letter-spacing: -.035em; }
.af-loader-copy small { display: inline-flex; align-items: center; gap: 8px; color: var(--af-text-muted); font-size: .74rem; }
.af-loader-dots { display: inline-flex; gap: 3px; }
.af-loader-dots i { width: 4px; height: 4px; background: var(--af-azure); border-radius: 50%; animation: af-loader-dot 1.2s ease-in-out infinite; }
.af-loader-dots i:nth-child(2) { animation-delay: .14s; }
.af-loader-dots i:nth-child(3) { animation-delay: .28s; }
.af-loader-track {
    width: 100%;
    height: 4px;
    overflow: hidden;
    background: rgba(10, 38, 71, .08);
    border-radius: 999px;
}
.af-loader-track span {
    display: block;
    width: 42%;
    height: 100%;
    background: linear-gradient(90deg, var(--af-ice), var(--af-azure));
    border-radius: inherit;
    box-shadow: 0 0 16px rgba(94,159,255,.62);
    transform: translate3d(-110%, 0, 0);
    animation: af-loader-slide 1.05s var(--af-ease) infinite;
}

.af-route-progress {
    position: fixed;
    inset: 0 0 auto;
    z-index: 10000;
    height: 3px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--af-motion-fast) ease;
}
.af-route-progress.is-active { opacity: 1; }
.af-route-progress span {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--af-ice), var(--af-azure), var(--af-blue));
    box-shadow: 0 0 14px rgba(94, 159, 255, .58);
    transform: scaleX(.08);
    transform-origin: left;
    transition: transform 1.35s cubic-bezier(.12, .62, .18, 1);
}
.af-route-progress.is-progressing span { transform: scaleX(.82); }
.af-route-progress.is-complete span { transform: scaleX(1); transition-duration: var(--af-motion-fast); }

.route-transition-shell {
    min-height: 100vh;
    transform: none;
    opacity: 1;
    transition: opacity 150ms ease;
    animation: af-route-enter 420ms var(--af-ease);
}

body.af-route-leaving .route-transition-shell { opacity: .72; }

.af-motion-ready .af-scroll-reveal {
    opacity: 0;
    transform: translate3d(0, 18px, 0) scale(.992);
    transition: opacity 620ms var(--af-ease), transform 620ms var(--af-ease);
    transition-delay: var(--af-reveal-delay, 0ms);
    will-change: opacity, transform;
}

.af-motion-ready .af-scroll-reveal.is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
}

.af-scroll-reveal.is-visible { will-change: auto; }

.af-image-reveal {
    opacity: 0;
    transform: translate3d(0, 4px, 0);
    transition: opacity var(--af-motion-base) ease, transform var(--af-motion-base) var(--af-ease);
}
.af-image-reveal.is-loaded { opacity: 1; transform: translate3d(0, 0, 0); }

.af-skeleton-page { padding-block: 6px 44px; }
.af-skeleton {
    position: relative;
    display: block;
    overflow: hidden;
    background: rgba(255, 255, 255, .34);
    border: 1px solid rgba(255, 255, 255, .38);
    border-radius: 10px;
}
.af-skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, .66) 48%, transparent 76%);
    transform: translate3d(-105%, 0, 0);
    animation: af-skeleton-sweep 1.35s ease-in-out infinite;
}
.af-skeleton-notice { height: 74px; margin-bottom: 24px; border-radius: var(--af-radius); }
.af-skeleton-feature,
.af-detail-skeleton {
    display: grid;
    grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr);
    gap: 32px;
    margin-bottom: 38px;
    padding: 28px;
    background: rgba(255, 255, 255, .2);
    border: 1px solid rgba(255, 255, 255, .38);
    border-radius: var(--af-radius);
    box-shadow: var(--af-shadow);
}
.af-skeleton-art { min-height: 260px; border-radius: 16px; }
.af-skeleton-copy { display: flex; justify-content: center; flex-direction: column; gap: 15px; }
.af-skeleton-chip { width: 104px; height: 30px; border-radius: 999px; }
.af-skeleton-heading { width: min(78%, 420px); height: 44px; }
.af-skeleton-line { width: 100%; height: 14px; }
.af-skeleton-line.short { width: 62%; }
.af-skeleton-title { width: 180px; height: 34px; margin-bottom: 20px; }
.af-skeleton-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.af-skeleton-card {
    display: flex;
    min-height: 410px;
    flex-direction: column;
    gap: 16px;
    padding: 12px 20px 20px;
    background: rgba(255, 255, 255, .22);
    border: 1px solid rgba(255, 255, 255, .38);
    border-radius: var(--af-radius);
    box-shadow: var(--af-shadow);
}
.af-skeleton-card-image { width: calc(100% + 16px); aspect-ratio: 16 / 9; margin: 0 -8px 8px; border-radius: 14px; }
.af-skeleton-button { width: 100%; height: 48px; margin-top: auto; border-radius: 12px; }
.af-detail-skeleton { grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr); padding: clamp(24px, 4vw, 44px); }
.af-skeleton-detail-image { min-height: 420px; border-radius: 18px; }
.af-skeleton-block { width: 100%; height: 132px; }

.admin-table-skeleton {
    display: grid;
    gap: 1px;
    margin-top: 20px;
    overflow: hidden;
    background: rgba(255, 255, 255, .2);
    border: 1px solid rgba(255, 255, 255, .4);
    border-radius: var(--af-radius);
    box-shadow: var(--af-shadow);
}
.admin-table-skeleton-row {
    display: grid;
    grid-template-columns: 70px minmax(180px, 1fr) minmax(110px, .5fr) 110px;
    gap: 18px;
    align-items: center;
    min-height: 84px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, .2);
}
.admin-skeleton-thumb { width: 64px; height: 48px; }
.admin-table-skeleton .af-skeleton-button { height: 36px; margin: 0; }

.page-loading, .no-results, .admin-empty, .analytics-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 160px;
    margin: 24px 0;
    padding: 32px;
    color: var(--af-text-muted);
    text-align: center;
    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(10, 38, 71, 0.08);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
}

.mini-spinner {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
    border: 2px solid rgba(44, 116, 179, 0.2);
    border-top-color: var(--af-azure);
    border-radius: 50%;
    animation: af-spin 0.75s linear infinite;
}

.valid.modified:not([type="checkbox"]) { border-color: var(--af-success) !important; }
.invalid { border-color: var(--af-danger) !important; }
.validation-message { color: var(--af-danger); font-size: 0.875rem; }

.blazor-error-boundary {
    margin: 16px;
    padding: 16px 20px;
    color: #fff;
    background: rgba(198, 64, 85, 0.92);
    border-radius: var(--af-radius-sm);
    box-shadow: var(--af-shadow);
}

.blazor-error-boundary::after { content: "应用发生错误，请刷新页面后重试。"; }

@keyframes af-spin { to { transform: rotate(360deg); } }
@keyframes af-loader-orbit { to { transform: rotate(360deg); } }
@keyframes af-loader-orbit-reverse { to { transform: rotate(-360deg); } }
@keyframes af-loader-breathe {
    from { transform: scale(.965); box-shadow: 0 12px 30px rgba(10,38,71,.12); }
    to { transform: scale(1.025); box-shadow: 0 18px 38px rgba(44,116,179,.2); }
}
@keyframes af-loader-dot {
    0%, 65%, 100% { opacity: .3; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-3px); }
}
@keyframes af-loader-float {
    from { transform: translate3d(-10px, 8px, 0) scale(.96); }
    to { transform: translate3d(14px, -10px, 0) scale(1.04); }
}
@keyframes af-loader-slide {
    0% { transform: translate3d(-110%, 0, 0); }
    70%, 100% { transform: translate3d(250%, 0, 0); }
}
@keyframes af-route-enter {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes af-skeleton-sweep {
    to { transform: translate3d(105%, 0, 0); }
}
@keyframes af-glass-enter {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
    .af-skeleton-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .af-skeleton-feature, .af-detail-skeleton { grid-template-columns: 1fr; gap: 22px; padding: 20px; }
    .af-skeleton-art, .af-skeleton-detail-image { min-height: 220px; }
}

@media (max-width: 620px) {
    .af-skeleton-grid { grid-template-columns: 1fr; }
    .af-skeleton-card { min-height: 370px; }
    .admin-table-skeleton-row { grid-template-columns: 54px minmax(0, 1fr); }
    .admin-table-skeleton-row > :nth-child(n+3) { display: none; }
    .admin-skeleton-thumb { width: 48px; height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
    .af-skeleton::after { display: none; }
    .af-image-reveal { opacity: 1; transform: none; }
    .af-motion-ready .af-scroll-reveal { opacity: 1; transform: none; }
}