/*
Theme Name: Someday
Theme URI: https://someday01.com
Author: 杜撰 × 虾说
Description: 某日 SOMEDAY — 时间的策展人。
Version: 3.0.0
License: All Rights Reserved
Text Domain: someday
*/

/* ========== 重置 ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ========== 设计系统 ========== */
:root {
    --bg: #1a1714;
    --bg-warm: #1e1b17;
    --bg-surface: #242019;
    --text: #c8c0b4;
    --text-bright: #e8e0d4;
    --text-dim: #6b6358;
    --text-ghost: #3d372f;
    --accent: #a08060;
    --font-body: 'Noto Serif SC', 'Songti SC', Georgia, serif;
    --font-ui: 'Noto Sans SC', 'PingFang SC', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
    --max-w: 640px;
    --gap: 1.5rem;
}

html {
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 2;
    min-height: 100vh;
}

a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--text-bright);
}

/* ========== 头部 ========== */
.site-header {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 3rem var(--gap) 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
}

.site-title {
    display: inline-flex;
    align-items: flex-start;
    color: var(--text-bright);
}

.site-title-logo {
    display: block;
    width: auto;
    height: clamp(4.25rem, 12vw, 5.4rem);
    max-width: min(28vw, 7.2rem);
    filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.28));
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-title:hover .site-title-logo {
    opacity: 0.96;
    transform: translateY(-1px);
}

.site-title-en {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 400;
    letter-spacing: 0.24em;
    color: var(--text-dim);
    margin-left: 0.3em;
}

.site-header-side {
    display: flex;
    align-items: baseline;
    padding-top: 0.5rem;
}

.site-nav {
    display: flex;
    gap: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
}

.site-nav a {
    color: var(--text-dim);
}

.site-nav a:hover {
    color: var(--text);
}

.site-nav-series {
    color: var(--text-dim);
}

/* ========== 首页：最新 ========== */
.latest-entry {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 3rem var(--gap) 4rem;
    border-bottom: 1px solid var(--text-ghost);
}

.entry-date-hero {
    margin-bottom: 3rem;
}

.entry-photo {
    width: clamp(11rem, 42vw, 16rem);
    margin: 0 0 2.5rem auto;
    padding: 0.35rem;
    border: 1px solid rgba(232, 224, 212, 0.08);
    background: var(--bg-warm);
    overflow: hidden;
}

.entry-photo img {
    display: block;
    width: 100%;
    height: auto;
    filter: saturate(0.82) brightness(0.9) contrast(1.02);
}

.date-day {
    display: block;
    font-family: var(--font-body);
    font-feature-settings: "tnum" 1;
    font-variant-numeric: tabular-nums;
    font-size: clamp(1.8rem, 8vw, 2.8rem);
    font-weight: 300;
    color: var(--text-bright);
    letter-spacing: 0.05em;
    line-height: 1.1;
    word-break: keep-all;
}

.date-weekday {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 0.15em;
    margin-right: 1rem;
}

.date-weather {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 0.1em;
}

.entry-title {
    font-family: var(--font-body);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--text-bright);
    letter-spacing: 0.08em;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.entry-excerpt {
    font-size: 1rem;
    color: var(--text-dim);
    line-height: 2;
    margin-bottom: 2.5rem;
}

.entry-continue {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 0.15em;
    padding-bottom: 2px;
    border-bottom: 1px solid var(--text-ghost);
}

.entry-continue:hover {
    color: var(--text);
    border-bottom-color: var(--text-dim);
}

/* ========== 首页：档案列表 ========== */
.archive-section {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 3rem var(--gap) 4rem;
}

.archive-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-ghost);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.archive-list {
    list-style: none;
}

.archive-item {
    display: flex;
    align-items: baseline;
    gap: 2rem;
    padding: 0.7rem 0;
    color: var(--text-dim);
    transition: color 0.2s;
}

.archive-item:hover {
    color: var(--text-bright);
}

.archive-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-ghost);
    letter-spacing: 0.05em;
    min-width: 6rem;
    transition: color 0.2s;
}

.archive-item:hover .archive-date {
    color: var(--text-dim);
}

.archive-title {
    font-size: 0.95rem;
    letter-spacing: 0.04em;
}

/* ========== 阅读页 ========== */
.reading {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--gap);
}

.reading-header {
    padding: 4rem 0 3rem;
}

.reading-date {
    display: block;
    font-family: var(--font-body);
    font-feature-settings: "tnum" 1;
    font-variant-numeric: tabular-nums;
    font-size: clamp(1.6rem, 7vw, 2.2rem);
    font-weight: 300;
    color: var(--text-bright);
    letter-spacing: 0.05em;
    line-height: 1.1;
    margin-bottom: 0.5rem;
    word-break: keep-all;
}

.reading-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-ghost);
    letter-spacing: 0.1em;
    margin-bottom: 2.5rem;
}

.reading-title {
    font-family: var(--font-body);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--text-bright);
    letter-spacing: 0.06em;
    line-height: 1.6;
    margin-bottom: 0.8rem;
}

.reading-author {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-ghost);
    letter-spacing: 0.12em;
}

/* 正文 */
.reading-body {
    padding-bottom: 4rem;
}

.reading-body p {
    margin-bottom: 1.5rem;
    text-indent: 0;
    font-size: 1.05rem;
    line-height: 2.2;
    color: var(--text);
}

.reading-body .chapter-tail {
    margin-top: 3.5rem;
    margin-bottom: 0;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    color: var(--text-dim);
}

/* 首字下沉 */
.reading-body p:first-of-type::first-letter {
    float: left;
    font-size: 3.6em;
    line-height: 0.8;
    padding-right: 0.12em;
    padding-top: 0.08em;
    color: var(--text-bright);
    font-weight: 700;
}

.reading-body blockquote {
    margin: 2rem 0;
    padding-left: 1.5rem;
    border-left: 2px solid var(--text-ghost);
    color: var(--text-dim);
    font-style: italic;
}

.reading-body hr {
    border: none;
    margin: 3rem 0;
    text-align: center;
}

.reading-body hr::after {
    content: '⁂';
    color: var(--text-ghost);
    font-size: 1.2rem;
}

/* 分享区 */
.share-section {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 2rem var(--gap) 1rem;
}

.share-row {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.share-link {
    color: var(--text-ghost);
    cursor: pointer;
    transition: color 0.2s;
    border: none;
    background: none;
    font: inherit;
    padding: 0;
    letter-spacing: 0.05em;
}

.share-link:hover {
    color: var(--text-dim);
}

.share-dot {
    color: var(--text-ghost);
}

.subscribe-panel {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--text-ghost);
}

.subscribe-panel p {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-dim);
    margin-bottom: 1rem;
    line-height: 1.9;
}

.subscribe-panel a {
    color: var(--text-dim);
}

.subscribe-panel a:hover {
    color: var(--text);
}

.agent-prompt {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text);
    background: var(--bg-warm);
    border-left: 2px solid var(--text-ghost);
    padding: 1rem 1.2rem;
    line-height: 2;
    margin-bottom: 1rem;
}

/* 章节导航 */
.reading-nav {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--gap) 4rem;
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    border-top: 1px solid var(--text-ghost);
    padding-top: 2rem;
}

.reading-nav-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.reading-nav-item.next {
    text-align: right;
    margin-left: auto;
}

.reading-nav-date {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-ghost);
    letter-spacing: 0.08em;
}

.reading-nav-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--text-ghost);
    letter-spacing: 0.18em;
}

.reading-nav-title {
    font-size: 0.85rem;
    color: var(--text-dim);
}

.reading-nav-item:hover .reading-nav-title {
    color: var(--text);
}

/* ========== 页脚 ========== */
.site-footer {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 3rem var(--gap) 4rem;
    border-top: 1px solid var(--text-ghost);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    line-height: 2.2;
}

.footer-line {
    color: var(--text-dim);
}

.footer-line.muted {
    color: var(--text-ghost);
}

.footer-line a {
    color: var(--text-ghost);
}

.footer-line a:hover {
    color: var(--text-dim);
}

/* ========== 系列偏移：昔日 ========== */
body.home.series-xiri,
body.single-post.series-xiri {
    background:
        radial-gradient(circle at top left, rgba(195, 164, 111, 0.08), transparent 30rem),
        linear-gradient(180deg, #15120f 0%, #100e0d 100%);
}

body.series-xiri .site-title,
body.series-xiri .reading-date,
body.series-xiri .reading-title,
body.series-xiri .entry-title {
    color: #f4eadc;
}

body.series-xiri .reading-meta,
body.series-xiri .reading-author,
body.series-xiri .reading-nav-label {
    color: #958673;
}

body.series-xiri .reading-body p:first-of-type::first-letter {
    color: #c3a46f;
}

body.series-xiri .entry-continue:hover,
body.series-xiri .site-nav a:hover,
body.series-xiri .site-nav-series:hover {
    color: #f4eadc;
}

/* ========== 关于页面 ========== */
.about-page {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 4rem var(--gap);
}

.about-page h2 {
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--text-bright);
}

.about-page p {
    margin-bottom: 1rem;
    color: var(--text);
}

.copyright-notice {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--text-ghost);
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 2;
}

/* ========== 响应式 ========== */
@media (max-width: 820px) {
    .entry-photo {
        width: min(14rem, 62vw);
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 640px) {
    html {
        font-size: 16px;
    }

    .site-header {
        padding: 2rem var(--gap) 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }

    .site-header-side {
        width: auto;
        padding-top: 0;
    }

    .site-title-logo {
        height: clamp(3.9rem, 24vw, 4.8rem);
        max-width: min(38vw, 6.4rem);
    }

    .site-nav {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .entry-title,
    .reading-title {
        font-size: 1.4rem;
    }

    .entry-photo {
        margin-bottom: 2rem;
    }

    .reading-nav {
        flex-direction: column;
        gap: 1.5rem;
    }

    .reading-nav-item.next {
        text-align: left;
    }

    .archive-item {
        flex-direction: column;
        gap: 0.2rem;
        padding: 0.8rem 0;
    }

    .archive-date {
        min-width: auto;
    }
}

/* ========== 昔日：独立预览页 ========== */
body.xiri-preview-page {
    --xiri-bg: #12100e;
    --xiri-surface: #1a1713;
    --xiri-panel: rgba(201, 183, 152, 0.08);
    --xiri-line: rgba(201, 183, 152, 0.18);
    --xiri-text: #ddd2c1;
    --xiri-dim: #958673;
    --xiri-bright: #f4eadc;
    --xiri-accent: #c3a46f;
    background:
        radial-gradient(circle at top left, rgba(195, 164, 111, 0.08), transparent 30rem),
        linear-gradient(180deg, #15120f 0%, #100e0d 100%);
    color: var(--xiri-text);
}

.xiri-preview {
    width: min(100%, 82rem);
    margin: 0 auto;
    padding: 2rem 1.5rem 5rem;
}

.xiri-masthead {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--xiri-line);
}

.xiri-brand {
    font-family: var(--font-body);
    font-size: 1.1rem;
    letter-spacing: 0.28em;
    color: var(--xiri-bright);
}

.xiri-brand-en {
    margin-left: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.58em;
    letter-spacing: 0.34em;
    color: var(--xiri-dim);
}

.xiri-masthead-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--xiri-dim);
    text-transform: uppercase;
}

.xiri-back-link {
    color: var(--xiri-text);
}

.xiri-back-link:hover {
    color: var(--xiri-bright);
}

.xiri-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(18rem, 1fr);
    gap: 2rem;
    align-items: end;
    padding: 4rem 0 3rem;
}

.xiri-kicker {
    margin-bottom: 1rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    color: var(--xiri-accent);
    text-transform: uppercase;
}

.xiri-page-title {
    font-size: clamp(2.8rem, 8vw, 5.2rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0.1em;
    color: var(--xiri-bright);
}

.xiri-page-subtitle {
    margin-top: 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.24em;
    color: var(--xiri-dim);
    text-transform: uppercase;
}

.xiri-series-note {
    width: min(36rem, 100%);
    margin-top: 2rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--xiri-line);
    color: var(--xiri-dim);
    line-height: 2;
}

.xiri-timecard {
    padding: 1.4rem 1.4rem 1.6rem;
    background: linear-gradient(180deg, rgba(25, 22, 18, 0.92), rgba(19, 17, 15, 0.92));
    border: 1px solid var(--xiri-line);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.xiri-timecard-row + .xiri-timecard-row {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(201, 183, 152, 0.1);
}

.xiri-timecard-label {
    display: block;
    margin-bottom: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.24em;
    color: var(--xiri-dim);
    text-transform: uppercase;
}

.xiri-timecard-value {
    display: block;
    color: var(--xiri-bright);
    line-height: 1.8;
}

.xiri-article {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
    width: min(100%, 46rem);
    margin: 0 auto;
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--xiri-line);
}

.xiri-article-header {
    display: grid;
    gap: 0.6rem;
}

.xiri-article-number {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    color: var(--xiri-accent);
    text-transform: uppercase;
}

.xiri-article-title {
    font-size: clamp(1.8rem, 4vw, 2.7rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--xiri-bright);
    letter-spacing: 0.08em;
}

.xiri-article-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--xiri-dim);
}

.xiri-body p {
    margin-bottom: 1.5rem;
    font-size: 1.06rem;
    line-height: 2.15;
    color: var(--xiri-text);
}

.xiri-body p.xiri-opening {
    color: var(--xiri-bright);
}

.xiri-body p.xiri-opening::first-letter {
    float: left;
    margin-right: 0.12em;
    padding-top: 0.08em;
    font-size: 3.8em;
    line-height: 0.8;
    color: var(--xiri-accent);
}

.xiri-article-footer {
    padding-top: 1.25rem;
    border-top: 1px solid var(--xiri-line);
}

.xiri-endnote {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    line-height: 1.9;
    color: var(--xiri-dim);
}

@media (max-width: 860px) {
    .xiri-hero {
        grid-template-columns: minmax(0, 1fr);
        padding-top: 3rem;
    }

    .xiri-timecard {
        width: min(100%, 28rem);
    }
}

@media (max-width: 640px) {
    .xiri-preview {
        padding: 1.25rem 1rem 4rem;
    }

    .xiri-masthead {
        flex-direction: column;
        align-items: flex-start;
    }

    .xiri-masthead-meta {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .xiri-page-title {
        letter-spacing: 0.06em;
    }

    .xiri-body p {
        font-size: 1rem;
        line-height: 2.05;
    }
}