/* ============================================================
   KITA Resource - archive interface
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@600;700;900&display=swap');

:root {
    --c-bg: #f6f3ea;
    --c-bg-deep: #e9e1d1;
    --c-surface: rgba(255, 252, 244, 0.86);
    --c-surface-solid: #fffaf0;
    --c-ink: #172121;
    --c-text: #23302f;
    --c-text-secondary: #687371;
    --c-primary: #11695f;
    --c-primary-dark: #0a4844;
    --c-accent: #db5d44;
    --c-accent-soft: #f3c8b6;
    --c-line: rgba(23, 33, 33, 0.13);
    --c-line-strong: rgba(23, 33, 33, 0.24);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-card: 0 18px 50px rgba(37, 44, 40, 0.08);
    --shadow-hover: 0 22px 60px rgba(37, 44, 40, 0.13);
    --font-body: 'Noto Sans SC', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Noto Serif SC', 'Noto Sans SC', serif;
    --header-h: 72px;
    --nav-h: 48px;
    --transition: 180ms ease;
}

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

html {
    min-height: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 140px;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--c-text);
    font-family: var(--font-body);
    line-height: 1.75;
    background:
        linear-gradient(90deg, rgba(17, 105, 95, 0.05) 1px, transparent 1px),
        linear-gradient(180deg, rgba(17, 105, 95, 0.05) 1px, transparent 1px),
        radial-gradient(circle at 14% 10%, rgba(219, 93, 68, 0.17), transparent 30%),
        radial-gradient(circle at 86% 8%, rgba(17, 105, 95, 0.14), transparent 28%),
        var(--c-bg);
    background-size: 34px 34px, 34px 34px, auto, auto, auto;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(23, 33, 33, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 33, 33, 0.02) 1px, transparent 1px);
    background-size: 100% 7px, 9px 100%;
    mix-blend-mode: multiply;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--c-primary);
    text-decoration: none;
    transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
}

a:hover {
    color: var(--c-accent);
}

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: var(--header-h);
    padding: 14px clamp(16px, 4vw, 44px);
    background: rgba(246, 243, 234, 0.9);
    border-bottom: 1px solid var(--c-line);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

header h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2vw, 1.7rem);
    line-height: 1;
    letter-spacing: 0;
}

header h1 a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--c-ink);
}

.site-logo {
    width: 34px;
    height: 34px;
    object-fit: contain;
    flex: 0 0 auto;
}

.search-box {
    position: relative;
    width: min(280px, 34vw);
}

.search-box::before {
    content: '';
    position: absolute;
    left: 13px;
    top: 50%;
    width: 9px;
    height: 9px;
    border: 2px solid var(--c-primary);
    border-radius: 50%;
    transform: translateY(-55%);
}

.search-box::after {
    content: '';
    position: absolute;
    left: 23px;
    top: 50%;
    width: 8px;
    height: 2px;
    background: var(--c-primary);
    transform: rotate(45deg) translateY(5px);
    transform-origin: left center;
}

.search-box input {
    width: 100%;
    border: 1px solid var(--c-line-strong);
    border-radius: 999px;
    background: rgba(255, 250, 240, 0.82);
    color: var(--c-ink);
    font: inherit;
    font-size: 0.88rem;
    padding: 10px 14px 10px 38px;
    outline: none;
}

.search-box input:focus {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 4px rgba(17, 105, 95, 0.12);
}

.search-results {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: min(360px, calc(100vw - 32px));
    max-height: 360px;
    overflow-y: auto;
    background: var(--c-surface-solid);
    border: 1px solid var(--c-line-strong);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-hover);
    padding: 8px;
}

.search-results.active {
    display: block;
}

.result-item {
    display: block;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--c-text);
}

.result-item:hover {
    background: rgba(17, 105, 95, 0.08);
    color: var(--c-primary-dark);
}

.result-meta,
.no-result {
    color: var(--c-text-secondary);
    font-size: 0.78rem;
}

.no-result {
    padding: 14px;
    text-align: center;
}

nav:not(.footer-links) {
    position: sticky;
    top: var(--header-h);
    z-index: 990;
    min-height: var(--nav-h);
    padding: 0 clamp(12px, 4vw, 44px);
    background: rgba(255, 250, 240, 0.86);
    border-bottom: 1px solid var(--c-line);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
}

#menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    color: var(--c-primary-dark);
    cursor: pointer;
    font-size: 1.5rem;
    padding: 8px 12px;
}

.menu-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.menu-links a {
    color: var(--c-text);
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 7px 15px;
}

.menu-links a:hover {
    border-color: var(--c-line-strong);
    background: rgba(17, 105, 95, 0.06);
    color: var(--c-primary-dark);
}

.menu-links a.active {
    background: var(--c-ink);
    border-color: var(--c-ink);
    color: #fffaf0;
}

.page-body,
.content {
    width: min(1180px, calc(100% - 32px));
    margin: 28px auto 56px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 28px;
    flex: 1;
}

main {
    min-width: 0;
}

aside {
    min-width: 0;
}

.hero {
    position: relative;
    overflow: hidden;
    min-height: 360px;
    padding: clamp(28px, 5vw, 58px);
    border: 1px solid var(--c-line-strong);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(135deg, rgba(255, 250, 240, 0.96), rgba(237, 246, 240, 0.84));
    box-shadow: var(--shadow-card);
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 30px;
    align-items: end;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(135deg, rgba(23, 33, 33, 0.05) 0 1px, transparent 1px 12px);
}

.hero > * {
    position: relative;
}

.eyebrow,
.card-kicker {
    color: var(--c-accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero h2 {
    margin: 12px 0 16px;
    color: var(--c-ink);
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 6vw, 4.8rem);
    line-height: 1.02;
}

.hero p {
    max-width: 680px;
    margin: 0;
    color: var(--c-text);
    font-size: clamp(1rem, 2vw, 1.16rem);
}

.hero-actions,
.button-row,
.resource-links,
.tag-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.hero-actions {
    margin-top: 26px;
}

.hero-panel {
    align-self: stretch;
    border-left: 1px solid var(--c-line-strong);
    padding-left: 22px;
    display: grid;
    align-content: end;
    gap: 14px;
}

.hero-panel strong {
    display: block;
    color: var(--c-ink);
    font-size: 2.2rem;
    line-height: 1;
}

.hero-panel span {
    display: block;
    color: var(--c-text-secondary);
    font-size: 0.86rem;
}

.dashboard-grid,
.resource-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.link-card,
.post,
.sidebar-section,
.announcement-bar,
.work-item,
.resource-card {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.link-card {
    min-height: 160px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.link-card:hover,
.post:hover,
.work-item:hover,
.resource-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.link-card h3,
.resource-card h3,
.sidebar-section h3,
.announcement-bar h3 {
    margin: 0;
    color: var(--c-ink);
    font-size: 1rem;
}

.link-card p,
.resource-card p,
.work-item p,
.post p {
    color: var(--c-text-secondary);
}

.section-title {
    margin: 36px 0 14px;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
}

.section-title h2,
section h2 {
    margin: 0;
    color: var(--c-ink);
    font-family: var(--font-display);
    font-size: clamp(1.45rem, 2.4vw, 2rem);
    line-height: 1.25;
}

.section-title p {
    margin: 0;
    color: var(--c-text-secondary);
    font-size: 0.9rem;
}

.post {
    padding: 24px;
    margin-bottom: 16px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.post h1,
.post h2 {
    margin: 0 0 10px;
    color: var(--c-ink);
    font-family: var(--font-display);
    line-height: 1.35;
}

.post h1 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.post h2 {
    font-size: 1.22rem;
}

.post h2 a {
    color: var(--c-ink);
}

.post h2 a:hover {
    color: var(--c-primary);
}

.post h3 {
    margin: 24px 0 10px;
    color: var(--c-primary-dark);
    font-size: 1.08rem;
}

.post h4 {
    margin: 18px 0 8px;
    color: var(--c-ink);
}

.post ul,
.post ol {
    margin: 10px 0;
    padding-left: 24px;
}

.post li {
    margin: 6px 0;
}

.post img,
.work-item img {
    display: block;
    margin: 14px 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--c-line);
}

.meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    color: var(--c-text-secondary);
    font-size: 0.82rem;
}

.meta::before {
    content: '记录';
    color: var(--c-primary-dark);
    border: 1px solid var(--c-line-strong);
    border-radius: 999px;
    padding: 0 8px;
    font-size: 0.72rem;
    font-weight: 800;
}

.btn,
a[download],
a[web] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 8px 15px;
    border: 1px solid var(--c-ink);
    border-radius: 999px;
    background: var(--c-ink);
    color: #fffaf0 !important;
    font-size: 0.88rem;
    font-weight: 800;
    line-height: 1.2;
    box-shadow: none;
}

.btn:hover,
a[download]:hover,
a[web]:hover {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fffaf0 !important;
    transform: translateY(-1px);
}

.btn.secondary {
    background: transparent;
    color: var(--c-ink) !important;
}

.btn.secondary:hover {
    background: rgba(17, 105, 95, 0.08);
    color: var(--c-primary-dark) !important;
}

.post a:not(.btn):not([download]):not([web]) {
    color: var(--c-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
    text-decoration-color: rgba(17, 105, 95, 0.28);
}

.important-text {
    color: var(--c-accent);
    font-weight: 800;
}

.sidebar-section,
.announcement-bar {
    padding: 18px;
    margin-bottom: 16px;
}

.sidebar-section h3,
.announcement-bar h3 {
    padding-bottom: 10px;
    border-bottom: 1px solid var(--c-line);
}

.sidebar-section ul {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
}

.sidebar-section li {
    margin: 8px 0;
}

.notice-item {
    margin-top: 12px;
    color: var(--c-text-secondary);
    font-size: 0.9rem;
}

.notice-date {
    margin-top: 4px;
    color: var(--c-accent);
    font-size: 0.78rem;
    font-weight: 800;
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: 22px;
}

.pagination a {
    border: 1px solid var(--c-line-strong);
    border-radius: 999px;
    color: var(--c-ink);
    padding: 6px 13px;
}

.pagination a.active {
    background: var(--c-ink);
    color: #fffaf0;
}

.resource-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 28px auto 56px;
    flex: 1;
}

.resource-hero {
    padding: clamp(24px, 4vw, 46px);
    border: 1px solid var(--c-line-strong);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(135deg, rgba(255, 250, 240, 0.96), rgba(237, 246, 240, 0.78));
    box-shadow: var(--shadow-card);
}

.resource-hero h1 {
    margin: 8px 0 12px;
    color: var(--c-ink);
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 4.2rem);
    line-height: 1.08;
}

.resource-hero p {
    max-width: 780px;
    margin: 0;
    color: var(--c-text);
    font-size: 1.04rem;
}

.resource-nav {
    position: sticky;
    top: calc(var(--header-h) + var(--nav-h));
    z-index: 100;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 18px 0 26px;
    padding: 12px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-lg);
    background: rgba(255, 250, 240, 0.86);
    backdrop-filter: blur(14px);
}

.resource-nav a,
.tag {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--c-line-strong);
    border-radius: 999px;
    color: var(--c-text);
    font-size: 0.82rem;
    font-weight: 800;
    padding: 5px 11px;
    background: rgba(255, 250, 240, 0.64);
}

.resource-nav a:hover,
.tag:hover {
    background: var(--c-ink);
    border-color: var(--c-ink);
    color: #fffaf0;
}

.resource-section {
    margin-top: 34px;
}

.resource-section h2 {
    margin-bottom: 14px;
}

.resource-card {
    padding: 20px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.resource-card h3 {
    margin-bottom: 8px;
}

.resource-card p {
    margin: 8px 0 12px;
    font-size: 0.92rem;
}

.resource-links {
    margin-top: 12px;
}

.work-item {
    padding: 20px;
    margin-bottom: 16px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.work-item h3 {
    margin: 14px 0 8px;
    color: var(--c-primary-dark);
}

.work-item h3:first-child {
    margin-top: 0;
}

form {
    padding: 24px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-lg);
    background: var(--c-surface);
}

label {
    display: block;
    margin: 16px 0 6px;
    color: var(--c-ink);
    font-weight: 800;
}

input[type="text"],
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--c-line-strong);
    border-radius: var(--radius-md);
    background: var(--c-surface-solid);
    color: var(--c-ink);
    font: inherit;
    outline: none;
}

input[type="text"]:focus,
select:focus,
textarea:focus {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 4px rgba(17, 105, 95, 0.12);
}

textarea {
    min-height: 160px;
    resize: vertical;
}

button[type="submit"] {
    width: 100%;
    margin-top: 22px;
    border: 1px solid var(--c-ink);
    border-radius: 999px;
    background: var(--c-ink);
    color: #fffaf0;
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    padding: 13px 18px;
}

button[type="submit"]:hover {
    background: var(--c-primary);
    border-color: var(--c-primary);
}

footer {
    margin-top: auto;
    padding: 26px 20px;
    background: var(--c-ink);
    color: rgba(255, 250, 240, 0.82);
    text-align: center;
}

.footer-content {
    width: min(1180px, 100%);
    margin: 0 auto;
}

.footer-links {
    position: static;
    background: none;
    border: 0;
    min-height: 0;
    padding: 0;
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255, 250, 240, 0.86);
    margin: 0 8px;
}

.footer-links a:hover {
    color: #fffaf0;
}

.copyright {
    margin: 0;
    font-size: 0.82rem;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    z-index: 9999;
    transform: translateX(-50%) translateY(80px);
    opacity: 0;
    pointer-events: none;
    padding: 12px 22px;
    border-radius: 999px;
    background: var(--c-ink);
    color: #fffaf0;
    box-shadow: var(--shadow-hover);
    transition: transform 260ms ease, opacity 260ms ease;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.search-hidden {
    display: none;
}

@media (max-width: 940px) {
    .page-body,
    .content {
        grid-template-columns: 1fr;
    }

    aside {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .hero,
    .dashboard-grid,
    .resource-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero-panel {
        grid-column: 1 / -1;
        border-left: 0;
        border-top: 1px solid var(--c-line-strong);
        padding: 18px 0 0;
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 720px) {
    :root {
        --header-h: 118px;
        --nav-h: 44px;
    }

    header {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    header h1 a::after {
        display: none;
    }

    .search-box {
        width: 100%;
    }

    .menu-icon {
        display: block;
        margin-left: auto;
    }

    nav:not(.footer-links) {
        justify-content: flex-end;
        min-height: var(--nav-h);
    }

    .menu-links {
        display: none;
        width: 100%;
        padding: 8px 0 12px;
        flex-direction: column;
        align-items: stretch;
    }

    #menu-toggle:checked + .menu-icon + .menu-links {
        display: flex;
    }

    .menu-links a {
        text-align: center;
    }

    .hero,
    .dashboard-grid,
    .resource-grid {
        grid-template-columns: 1fr;
    }

    .resource-nav {
        position: static;
    }

    .hero-panel {
        grid-template-columns: 1fr;
    }

    aside {
        grid-template-columns: 1fr;
    }

    .section-title {
        align-items: flex-start;
        flex-direction: column;
    }

    .btn,
    a[download],
    a[web] {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .page-body,
    .content,
    .resource-shell {
        width: min(100% - 20px, 1180px);
        margin-top: 16px;
    }

    .post,
    .link-card,
    .resource-card,
    .work-item,
    .sidebar-section,
    .announcement-bar {
        padding: 16px;
    }
}