:root {
    --app-bg: #f7f3ee;
    --app-paper: rgba(251, 248, 244, 0.92);
    --app-paper-strong: #fbf8f3;
    --app-ink: #171717;
    --app-muted: #666257;
    --app-line: rgba(23, 23, 23, 0.1);
    --app-brand: #a86a43;
    --app-brand-deep: #784224;
    --app-accent: #3f5d68;
    --app-shadow: 0 18px 44px rgba(37, 27, 19, 0.08);
    --app-image-mask: linear-gradient(180deg, rgba(236, 228, 217, 0.16), rgba(247, 243, 238, 0.72));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", "Segoe UI Variable", sans-serif !important;
    background-image:
        linear-gradient(180deg, rgba(251, 248, 243, 0.98), rgba(247, 243, 238, 0.99)),
        url("../_scripts/theme/background.png") !important;
    background-size: auto, cover !important;
    background-position: center, center !important;
    background-attachment: fixed, fixed !important;
    color: var(--app-ink) !important;
    padding-bottom: 92px;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255,255,255,0.56), rgba(255,255,255,0.34));
    opacity: 0.95;
}

a {
    text-underline-offset: 0.14em;
}

.header,
.search-box,
.post-card,
.sidebar,
.profile-card,
.info-card,
.privacy-container,
.footer,
article,
.back-link,
.post-nav,
.empty-state {
    border: 1px solid rgba(255, 255, 255, 0.75) !important;
    box-shadow: var(--app-shadow) !important;
}

.page-container,
.container {
    position: relative;
    z-index: 1;
}

.page-container {
    max-width: 1240px !important;
    padding: 28px 20px 110px !important;
    gap: 28px !important;
}

.container {
    max-width: 860px !important;
    padding: 32px 20px 110px !important;
}

.header {
    position: sticky;
    top: 12px;
    z-index: 30;
    border-radius: 20px !important;
    background: rgba(251, 248, 244, 0.78) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(37, 27, 19, 0.05) !important;
}

.site-title {
    letter-spacing: 0.08em;
    line-height: 1.05;
    text-transform: uppercase;
    font-size: 0.86rem !important;
    color: var(--app-muted) !important;
    margin-bottom: 14px !important;
}

.nav-bar {
    gap: 10px !important;
}

.nav-item {
    min-height: 42px;
    display: inline-flex !important;
    align-items: center;
    padding: 0 16px !important;
    border-radius: 999px !important;
}

.nav-item.active {
    background: var(--app-ink) !important;
    color: #fffaf2 !important;
}

.nav-item:hover:not(.active) {
    background: rgba(23, 23, 23, 0.06) !important;
    color: var(--app-ink) !important;
}

.search-box,
.profile-card,
.info-card,
.privacy-container,
article,
.post-card,
.sidebar,
.footer,
.back-link,
.post-nav,
.empty-state {
    background: var(--app-paper) !important;
    backdrop-filter: blur(18px);
    border-radius: 20px !important;
}

.search-box,
.sidebar,
.footer,
.info-card,
.privacy-container,
.profile-card,
article,
.post-card {
    box-shadow: 0 18px 44px rgba(37, 27, 19, 0.06) !important;
}

body[data-xblog-page="index"] .page-container {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.72fr) !important;
}

.editorial-hero {
    grid-column: 1 / -1;
    display: grid;
    gap: 18px;
    padding: 10px 4px 8px;
}

.hero-eyebrow {
    margin: 0;
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--app-muted);
}

.editorial-hero h2 {
    margin: 0;
    max-width: 10.5em;
    font-size: clamp(2.8rem, 7vw, 5.6rem);
    line-height: 0.94;
    letter-spacing: -0.05em;
    font-weight: 800;
}

.hero-copy {
    max-width: 44rem;
    margin: 0;
    font-size: 1.08rem;
    line-height: 1.8;
    color: var(--app-muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-actions a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 16px;
    border-radius: 999px;
    border: 1px solid var(--app-line);
    color: var(--app-ink);
    text-decoration: none;
    font-weight: 700;
}

.hero-actions a.hero-primary {
    background: var(--app-ink);
    color: #fffaf2;
    border-color: var(--app-ink);
}

.search-box {
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    margin-bottom: 0 !important;
}

#search-input {
    min-height: 56px;
    border-radius: 16px !important;
    border-color: rgba(23, 23, 23, 0.1) !important;
    background: rgba(255, 255, 255, 0.82);
    padding-left: 18px !important;
}

#search-input:focus {
    border-color: var(--app-brand) !important;
    box-shadow: 0 0 0 4px rgba(234, 106, 42, 0.14);
}

.post-list {
    gap: 0 !important;
}

.post-card {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) 180px;
    align-items: center;
    gap: 24px;
    padding: 24px 0;
    overflow: hidden;
    transition: transform 160ms ease, box-shadow 160ms ease;
    background: transparent !important;
    border: none !important;
    border-bottom: 1px solid rgba(23, 23, 23, 0.08) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.post-card:hover {
    transform: translateY(-1px);
    box-shadow: none !important;
}

.card-img {
    position: relative;
    width: 180px;
    height: 132px !important;
    margin-left: auto;
    overflow: hidden;
    border-radius: 18px;
    background:
        linear-gradient(180deg, rgba(228, 223, 214, 0.84), rgba(243, 239, 231, 0.9)),
        radial-gradient(circle at top left, rgba(255,255,255,0.34), transparent 46%);
}

.card-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--app-image-mask);
    pointer-events: none;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.45) contrast(0.94) brightness(0.96);
    transform: scale(1.02);
}

.post-card[data-has-cover="0"] {
    grid-template-columns: minmax(0, 1fr);
}

.post-card[data-has-cover="0"] .card-img {
    display: none !important;
}

.card-content,
.card-content-small {
    padding: 0 !important;
    background: transparent !important;
}

.card-content-small {
    display: block !important;
}

.card-small-img {
    display: none !important;
}

.card-title {
    line-height: 1.08;
    margin: 8px 0 12px !important;
    font-size: clamp(1.5rem, 2.6vw, 2.2rem);
    letter-spacing: -0.04em;
}

.card-title a {
    color: var(--app-ink) !important;
    text-decoration: none !important;
}

.card-date,
.card-meta {
    color: var(--app-muted) !important;
}

.card-meta {
    font-size: 0.95rem;
}

.card-excerpt {
    max-width: 42rem;
    margin: 0 0 14px;
    color: var(--app-muted);
    line-height: 1.75;
    font-size: 1rem;
}

.card-category,
.category-name {
    display: inline-flex !important;
    width: fit-content;
    background: transparent !important;
    color: var(--app-accent) !important;
    border-radius: 999px !important;
    border: 1px solid rgba(63, 93, 104, 0.14);
    padding: 0.34rem 0.72rem !important;
    font-size: 0.78rem !important;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tag,
.skill-tag,
.tag-cloud-item {
    background: rgba(196, 106, 67, 0.12) !important;
    color: var(--app-brand-deep) !important;
    border-radius: 999px !important;
}

.tag-cloud-item.active {
    background: linear-gradient(135deg, var(--app-brand) 0%, #f4984d 100%) !important;
    color: #fffaf2 !important;
}

.sidebar-title,
.info-title,
.section-title {
    border-color: var(--app-brand) !important;
}

.sidebar {
    position: sticky;
    top: 120px;
    align-self: start;
}

.sidebar-title {
    font-size: 0.82rem !important;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--app-muted) !important;
    border-bottom-width: 1px !important;
}

.sidebar-manifesto {
    padding: 0 0 24px;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(23, 23, 23, 0.08);
}

.sidebar-manifesto p {
    margin: 0 0 10px;
    color: var(--app-muted);
    line-height: 1.8;
}

.sidebar-manifesto strong {
    display: block;
    margin-bottom: 10px;
    font-size: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: var(--app-ink);
}

.mobile-menu-btn,
.mobile-menu-overlay,
.mobile-menu-content {
    display: none !important;
}

.back-link {
    min-height: 44px;
    border-radius: 999px !important;
    background: rgba(255,255,255,0.72) !important;
    color: var(--app-ink) !important;
}

.back-link:hover {
    background: linear-gradient(135deg, var(--app-brand) 0%, #f4984d 100%) !important;
    color: #fffaf2 !important;
    transform: translateY(-1px) !important;
}

article {
    padding: 18px 0 0 !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.post-title {
    font-size: clamp(2.5rem, 6vw, 4.8rem) !important;
    line-height: 0.98 !important;
    letter-spacing: -0.05em;
}

.post-meta-inline,
.post-meta {
    gap: 12px !important;
}

.post-content {
    font-size: 1.06rem !important;
    line-height: 1.92 !important;
    color: #242424 !important;
}

.post-content img {
    border-radius: 20px !important;
}

.post-content pre {
    border-radius: 22px !important;
}

.post-nav {
    display: grid !important;
    gap: 10px;
    padding: 18px !important;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 14px;
    border-radius: 16px;
    background: rgba(77, 107, 115, 0.08);
    color: var(--app-accent) !important;
    text-decoration: none;
}

.profile-card,
.info-card,
.privacy-container {
    padding: 26px !important;
}

.avatar-container {
    border-color: var(--app-brand) !important;
}

.pwa-install-trigger {
    position: fixed;
    right: 16px;
    bottom: 92px;
    z-index: 60;
    min-height: 48px;
    padding: 0 18px;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--app-brand) 0%, #f4984d 100%);
    color: #fffaf2;
    font-weight: 800;
    box-shadow: 0 18px 40px rgba(234, 106, 42, 0.28);
}

.pwa-bottom-nav {
    position: fixed;
    left: 50%;
    bottom: 14px;
    transform: translateX(-50%);
    z-index: 55;
    width: calc(100% - 24px);
    max-width: 520px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.78);
    border-radius: 24px;
    background: rgba(255, 250, 242, 0.84);
    backdrop-filter: blur(18px);
    box-shadow: var(--app-shadow);
}

.pwa-bottom-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border-radius: 18px;
    color: var(--app-muted);
    text-decoration: none;
    font-weight: 700;
}

.pwa-bottom-nav a.is-active {
    background: rgba(196, 106, 67, 0.12);
    color: var(--app-brand-deep);
}

.xblog-offline {
    display: grid;
    gap: 16px;
    text-align: center;
}

@media (min-width: 961px) {
    .pwa-bottom-nav {
        width: auto;
        min-width: 360px;
    }
}

@media (max-width: 900px) {
    .page-container {
        grid-template-columns: 1fr !important;
    }

    .about-container {
        grid-template-columns: 1fr !important;
    }

    article,
    .profile-card,
    .info-card,
    .privacy-container {
        padding: 24px 20px !important;
    }

    .card-img {
        width: 100%;
        height: 180px !important;
        margin-left: 0;
    }

    .post-card {
        grid-template-columns: 1fr !important;
        gap: 16px;
        padding: 22px 0;
    }
}

@media (max-width: 760px) {
    .editorial-hero h2 {
        max-width: none;
    }

    .card-title {
        font-size: 1.62rem;
    }
}

@media (max-width: 640px) {
    .site-title {
        font-size: 1.8rem !important;
    }

    .page-container,
    .container {
        padding-left: 14px !important;
        padding-right: 14px !important;
    }

    .header,
    .search-box,
    .post-card,
    .sidebar,
    .profile-card,
    .info-card,
    .privacy-container,
    article,
    .footer,
    .back-link,
    .post-nav {
        border-radius: 22px !important;
    }
}