/*
 * PickleLand 匹克島 — Ghost Theme CSS
 * Ported from designer's Astro theme for visual parity
 * Design: Sage-inspired lifestyle magazine aesthetic
 *
 * 設計師微調指南：
 * 1) 修改 :root 中的 CSS 變數即可改變整站配色和字體
 * 2) 每個區塊有清楚的註解標記
 * 3) Mobile-first 設計，桌面版用 @media (min-width: ...) 覆寫
 */

/* ============================================================
   DESIGN TOKENS — 統一 EMDash + Ghost 變數
   ============================================================ */
:root {
    /* Brand Colors (matching Astro theme) */
    --color-bg:           #ffffff;
    --color-bg-subtle:    #f9f9f7;
    --color-surface:      #f9f9f7;
    --color-text:         #1a1a1a;
    --color-text-secondary: #555555;
    --color-muted:        #999999;
    --color-border:       #e8e8e5;
    --color-border-subtle: #f0f0ed;
    --color-accent:       #4f7259;   /* 鼠尾草綠 */
    --color-accent-hover: #3a5642;
    --color-on-accent:    white;

    /* Legacy Ghost variables (for backward compat with post pages) */
    --color-brand:        #4f7259;
    --color-brand-light:  #6b9476;
    --color-brand-dark:   #3a5642;
    --color-bg-alt:       #efe7df;
    --color-text-light:   #6B7280;
    --color-text-lighter: #9CA3AF;
    --color-cta:          #ef5350;
    --color-cta-hover:    #d32f2f;

    /* Typography */
    --font-sans:      'Noto Sans TC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif:     'Noto Serif TC', 'Playfair Display', Georgia, serif;
    --font-title-zh:  'Noto Serif TC', serif;
    --font-title-en:  'Playfair Display', serif;
    --font-body-zh:   'Noto Sans TC', sans-serif;
    --font-body-en:   'Inter', sans-serif;

    /* Type scale */
    --font-size-xs:   0.8125rem;
    --font-size-sm:   0.875rem;
    --font-size-base: 1.0625rem;
    --font-size-lg:   1.125rem;
    --font-size-xl:   1.25rem;
    --font-size-2xl:  1.5rem;
    --font-size-3xl:  2rem;
    --font-size-4xl:  2.5rem;

    /* Line heights */
    --leading-tight:   1.15;
    --leading-snug:    1.3;
    --leading-normal:  1.5;
    --leading-relaxed: 1.7;

    /* Spacing (Astro naming) */
    --spacing-1:  0.25rem;
    --spacing-2:  0.5rem;
    --spacing-3:  0.75rem;
    --spacing-4:  1rem;
    --spacing-5:  1.25rem;
    --spacing-6:  1.5rem;
    --spacing-8:  2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;

    /* Legacy Ghost spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    /* Layout */
    --content-width:  720px;
    --wide-width:     1200px;
    --max-width:      1280px;
    --nav-height:     64px;

    /* Radius */
    --radius:    8px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition: 0.25s ease;
    --transition-fast: 120ms ease;
    --transition-base: 180ms ease;

    /* Section gaps */
    --section-gap:    3rem;
    --section-gap-lg: 5rem;

    /* Tracking */
    --tracking-tight: -0.03em;
    --tracking-snug:  -0.02em;
    --tracking-wide:  0.06em;
    --tracking-wider: 0.08em;

    /* Avatar */
    --avatar-size-xs: 18px;
    --avatar-size-md: 24px;
}


/* ============================================================
   SMOOTH SCROLL & SELECTION
   ============================================================ */
html {
    scroll-behavior: smooth;
}

::selection {
    background: var(--color-accent);
    color: white;
}

/* Reading Progress Bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-brand-light));
    z-index: 9999;
    transition: width 0.1s linear;
}


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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--leading-relaxed);
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

h1, h2, h3 {
    font-family: var(--font-serif);
    line-height: var(--leading-tight);
    font-weight: 700;
    letter-spacing: var(--tracking-snug);
}

h1 {
    letter-spacing: var(--tracking-tight);
}

ul, ol {
    padding: 0;
    list-style: none;
}


/* ============================================================
   HEADER — Sticky glassmorphism nav (matches Base.astro)
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: color-mix(in srgb, var(--color-bg) 90%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-subtle);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--wide-width);
    margin: 0 auto;
    padding: var(--spacing-4) var(--spacing-6);
    height: var(--nav-height);
}

.site-title {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.site-logo {
    width: 35px;
    height: 35px;
    object-fit: contain;
}

.site-title:hover {
    color: var(--color-accent);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

.nav-links,
.nav-right .nav {
    display: flex;
    gap: var(--spacing-6);
    font-size: var(--font-size-sm);
}

/* Ghost's {{navigation}} outputs <ul class="nav"><li><a>...</a></li></ul> */
.nav-right .nav li {
    list-style: none;
}

.nav-right .nav a,
.nav-links a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 6px 2px;
    transition: color var(--transition-fast);
}

.nav-right .nav a:hover,
.nav-links a:hover {
    color: var(--color-text);
}

/* Nav CTA button */
.nav-cta {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-on-accent);
    background: var(--color-accent);
    padding: 6px 16px;
    border-radius: var(--radius);
    text-decoration: none;
    transition: background var(--transition-fast);
    white-space: nowrap;
}

.nav-cta:hover {
    background: var(--color-accent-hover);
    color: var(--color-on-accent);
}

/* Mobile hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}


/* ============================================================
   HOMEPAGE — .home-content container
   ============================================================ */
.home-content {
    max-width: var(--wide-width);
    margin: 0 auto;
    padding: 0 var(--spacing-6) var(--section-gap);
}

/* Category Pillars — full bleed breakout */
.pillars-bleed {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}


/* ============================================================
   FEATURED SECTION — Side by side (matches index.astro)
   ============================================================ */
.featured-section {
    margin-bottom: var(--section-gap-lg);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
    align-items: center;
}

.featured-image-link {
    grid-column: 1 / 3;
    display: block;
    margin-left: min(
        -6rem,
        calc(-1 * (var(--spacing-6) + (100vw - var(--wide-width)) / 2))
    );
}

.featured-image {
    overflow: hidden;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    background: var(--color-surface);
}

.featured-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.featured-image-link:hover .featured-image img,
.featured-grid:has(.featured-title-link:hover) .featured-image img {
    transform: scale(1.03);
}

.featured-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.featured-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    column-gap: var(--spacing-3);
    row-gap: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}

.meta-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--color-muted);
    display: inline-block;
}

/* Featured bylines */
.featured-bylines {
    display: flex;
    align-items: center;
    gap: 2px;
}

.featured-byline {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
}

.featured-byline-avatar {
    width: var(--avatar-size-md);
    height: var(--avatar-size-md);
    border-radius: 50%;
    object-fit: cover;
}

.featured-byline-name {
    font-weight: 500;
    color: var(--color-text-secondary);
}

.featured-title-link {
    text-decoration: none;
    color: inherit;
}

.featured-title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.025em;
    transition: color var(--transition-fast);
}

.featured-title-link:hover .featured-title,
.featured-grid:has(.featured-image-link:hover) .featured-title {
    color: var(--color-accent);
}

.featured-excerpt {
    font-size: var(--font-size-lg);
    line-height: var(--leading-relaxed);
    color: var(--color-text-secondary);
}

.featured-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    margin-top: var(--spacing-2);
}

.featured-tag {
    display: inline-block;
    padding: 0;
    font-size: 0.6875rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.featured-tag:hover {
    color: var(--color-accent);
}


/* ============================================================
   CATEGORY PILLARS — Full-bleed background + glassmorphism
   ============================================================ */
.pillars {
    max-width: none;
    margin: 0;
    padding: 0;
}

.pillars-bg {
    position: relative;
    overflow: hidden;
    background: url('../images/background.png') 70% center / cover no-repeat;
    background-color: var(--color-brand-dark);
}

.pillars-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
}

.pillars-content {
    position: relative;
    padding: var(--spacing-16) var(--spacing-10);
    text-align: center;
}

.pillars-intro {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-10);
    line-height: var(--leading-relaxed);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-5);
    max-width: 700px;
    margin: 0 auto;
}

.pillar-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-8) var(--spacing-6);
    text-align: center;
    text-decoration: none;
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.pillar-card:hover {
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.pillar-label {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    display: block;
    margin-bottom: var(--spacing-2);
}

.pillar-title {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: white;
    margin-bottom: var(--spacing-2);
}

.pillar-desc {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.65);
    line-height: var(--leading-relaxed);
}

.pillars-outro {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-10);
}

.pillars-link {
    color: white;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: opacity 0.2s ease;
}

.pillars-link:hover {
    opacity: 0.8;
    color: white;
}


/* ============================================================
   SECTION HEADER — Latest Posts header
   ============================================================ */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-10);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.section-title {
    font-family: var(--font-serif);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    color: var(--color-text);
}

.section-link {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.section-link:hover {
    color: var(--color-accent);
}


/* ============================================================
   POSTS GRID — 3 column (matches index.astro)
   ============================================================ */
.posts-section {
    margin-top: var(--section-gap);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-12) var(--spacing-10);
}


/* ============================================================
   POST CARD — Borderless magazine style (matches PostCard.astro)
   ============================================================ */
.post-card {
    display: flex;
    flex-direction: column;
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.card-image-wrapper {
    position: relative;
    margin-bottom: var(--spacing-4);
}

.card-image {
    aspect-ratio: 3 / 2;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card-image-overlay {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(to top, rgba(0,0,0,0.08) 0%, transparent 40%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.card-link:hover .card-image img {
    transform: scale(1.03);
}

.card-link:hover .card-image-overlay {
    opacity: 1;
}

.card-category {
    position: absolute;
    top: var(--spacing-3);
    left: var(--spacing-3);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: white;
    background: var(--color-accent);
    padding: 3px 10px;
    border-radius: var(--radius);
    pointer-events: none;
}

.card-placeholder {
    aspect-ratio: 3 / 2;
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

.card-body {
    flex: 1;
}

.card-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    column-gap: var(--spacing-2);
    row-gap: 0;
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin-bottom: var(--spacing-2);
}

.card-meta time,
.card-meta span:not(.meta-dot) {
    white-space: nowrap;
}

.card-title {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    font-weight: 700;
    line-height: var(--leading-snug);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-2);
    transition: color var(--transition-fast);
}

.card-link:hover .card-title {
    color: var(--color-accent);
}

.card-excerpt {
    font-size: var(--font-size-base);
    line-height: var(--leading-relaxed);
    color: var(--color-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Byline styles */
.card-bylines {
    display: flex;
    align-items: center;
    gap: 2px;
    white-space: nowrap;
}

.card-byline {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
}

.card-byline-avatar {
    width: var(--avatar-size-xs);
    height: var(--avatar-size-xs);
    border-radius: 50%;
    object-fit: cover;
}

.card-byline-name {
    font-weight: 500;
    color: var(--color-text-secondary);
}


/* ============================================================
   LINE CTA — matches LineCTA.astro
   ============================================================ */
.line-cta {
    text-align: center;
    padding: var(--section-gap-lg) var(--spacing-6);
}

.line-cta-inner {
    max-width: 520px;
    margin: 0 auto;
}

.line-cta-eyebrow {
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-3);
}

.line-cta-title {
    font-family: var(--font-serif);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--spacing-4);
}

.line-cta-desc {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--spacing-8);
}

.line-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background: #06C755;
    color: white;
    font-weight: 600;
    font-size: var(--font-size-base);
    padding: var(--spacing-3) var(--spacing-8);
    border-radius: var(--radius);
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
}

.line-cta-btn:hover {
    background: #05a847;
    color: white;
    transform: translateY(-1px);
}

.line-cta-btn svg {
    flex-shrink: 0;
}


/* ============================================================
   ABOUT CTA — Homepage Bottom
   ============================================================ */
.about-cta {
    text-align: center;
    padding: var(--section-gap-lg) var(--spacing-6);
    max-width: 600px;
    margin: 0 auto;
    border-top: 1px solid var(--color-border);
}

.about-text {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    line-height: 2;
    color: var(--color-text-secondary);
    letter-spacing: -0.01em;
}


/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, color var(--transition-fast), box-shadow 0.3s ease;
    z-index: 50;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    color: var(--color-accent);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}


/* ============================================================
   FLOATING LINE CTA
   ============================================================ */
.floating-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-text);
    color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    padding: var(--spacing-3) var(--spacing-6);
    z-index: 90;
    animation: slideUp 0.4s ease;
}

.floating-cta-text {
    font-size: var(--font-size-sm);
}

.floating-cta-btn {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: white;
    background: #06C755;
    padding: 5px 16px;
    border-radius: var(--radius);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.2s ease;
}

.floating-cta-btn:hover {
    background: #05a847;
    color: white;
}

.floating-cta-close {
    background: none;
    border: none;
    color: var(--color-bg);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 4px 8px;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.floating-cta-close:hover {
    opacity: 1;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}


/* ============================================================
   FOOTER — 4-column grid (matches Base.astro)
   ============================================================ */
.site-footer {
    background: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border-subtle);
}

.footer-inner {
    max-width: var(--wide-width);
    margin: 0 auto;
    padding: var(--section-gap-lg) var(--spacing-6) var(--spacing-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.footer-logo-img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.footer-tagline {
    margin-top: var(--spacing-3);
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    line-height: var(--leading-relaxed);
}

.footer-nav-col {
    min-width: 0;
}

.footer-heading {
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-muted);
    margin-bottom: var(--spacing-4);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-border);
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
}


/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
    font-size: 0.9rem;
}

.pagination-prev,
.pagination-next {
    color: var(--color-accent);
    font-weight: 500;
}

.pagination-info {
    color: var(--color-muted);
}


/* ============================================================
   SINGLE POST — Article Page
   ============================================================ */
.post-full {
    max-width: var(--max-width);
    margin: 0 auto;
}

.post-header {
    text-align: center;
    padding: var(--space-xl) var(--space-md) var(--space-lg);
}

.post-header-inner {
    max-width: var(--content-width);
    margin: 0 auto;
}

.post-tag {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.post-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin: var(--space-sm) 0;
}

.post-excerpt {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-md);
}

.post-meta {
    font-size: 0.85rem;
    color: var(--color-muted);
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .post-title {
        font-size: 2.5rem;
    }
}

/* Feature Image */
.post-feature-image {
    max-width: var(--wide-width);
    margin: 0 auto var(--space-xl);
}

.post-feature-image img {
    width: 100%;
    border-radius: var(--radius-md);
}

.post-feature-image figcaption {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-top: var(--space-xs);
}

/* Post Content */
.post-content {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--space-md) var(--space-xl);
    font-size: 1.05rem;
    line-height: 1.9;
}

.post-content h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin: var(--space-xl) 0 var(--space-md);
    color: var(--color-text);
}

.post-content h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    margin: var(--space-lg) 0 var(--space-sm);
}

.post-content p {
    margin-bottom: var(--space-md);
}

.post-content a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.post-content img {
    border-radius: var(--radius-md);
    margin: var(--space-lg) 0;
}

.post-content blockquote {
    border-left: 3px solid var(--color-accent);
    padding-left: var(--space-md);
    margin: var(--space-lg) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

.post-content ul,
.post-content ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-md);
    list-style: revert;
}

.post-content li {
    margin-bottom: var(--space-xs);
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-lg) 0;
    font-size: 0.9rem;
}

.post-content th,
.post-content td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
}

.post-content th {
    font-weight: 600;
    background: var(--color-bg-subtle);
}

.post-content hr {
    border: none;
    text-align: center;
    margin: var(--space-xl) auto;
}

.post-content hr::before {
    content: '· · ·';
    font-size: 1.2rem;
    letter-spacing: 0.5em;
    color: var(--color-muted);
}

/* Embedded YouTube */
.post-content iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-md);
    margin: var(--space-lg) 0;
}

/* Ghost Bookmark Cards */
.post-content .kg-bookmark-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: var(--space-lg) 0;
}


/* ============================================================
   POST FOOTER & TAGS
   ============================================================ */
.post-footer {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
    border-top: 1px solid var(--color-border);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.post-footer-tag {
    font-size: 0.8rem;
    color: var(--color-accent);
    background: var(--color-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    transition: background var(--transition);
}

.post-footer-tag:hover {
    background: var(--color-bg-subtle);
}


/* ============================================================
   TAG PAGE
   ============================================================ */
.tag-page {
    max-width: var(--wide-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
}

.tag-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.tag-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
}

.tag-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: var(--space-sm) auto 0;
}

.tag-count {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-top: var(--space-xs);
}

/* Legacy post grid for tag/author pages */
.post-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .post-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .post-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Legacy post card styles for tag pages that use old markup */
.post-card-image-link {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.post-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.post-card:hover .post-card-image {
    transform: scale(1.03);
}

.post-card-content {
    padding: var(--space-md);
}

.post-card-tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.post-card-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.4;
    margin: var(--space-xs) 0;
}

.post-card-title a {
    color: var(--color-text);
}

.post-card-title a:hover {
    color: var(--color-accent);
}

.post-card-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-meta {
    font-size: 0.8rem;
    color: var(--color-muted);
}


/* ============================================================
   PAGE — Static Pages (About, etc.)
   ============================================================ */
.page-full {
    max-width: var(--max-width);
    margin: 0 auto;
}

.page-header {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
}

.page-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
}


/* ============================================================
   AUTHOR PAGE
   ============================================================ */
.author-page {
    max-width: var(--wide-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
}

.author-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto var(--space-sm);
}

.author-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
}

.author-bio {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: var(--space-sm) auto 0;
}


/* ============================================================
   MEMBERS / PORTAL OVERRIDES
   ============================================================ */
.gh-portal-notification {
    background: var(--color-accent) !important;
}


/* ============================================================
   REVIEW RATING COMPONENT — 球拍評測專用
   ============================================================ */
.rating-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
}

.rating-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.rating-score {
    font-family: var(--font-title-en);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.rating-score-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.rating-verdict {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
}

.rating-bars {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-sm);
}

@media (min-width: 768px) {
    .rating-bars {
        grid-template-columns: 1fr 1fr;
    }
}

.rating-bar-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.rating-bar-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    min-width: 80px;
}

.rating-bar-track {
    flex: 1;
    height: 6px;
    background: var(--color-bg-subtle);
    border-radius: 3px;
    overflow: hidden;
}

.rating-bar-fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: 3px;
    transition: width 0.8s ease;
}

.rating-bar-value {
    font-family: var(--font-body-en);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    min-width: 24px;
    text-align: right;
}


/* ============================================================
   PURCHASE CTA BUTTON — 聯盟行銷購買按鈕
   ============================================================ */
.buy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    color: white;
    background: var(--color-accent);
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: background var(--transition), transform var(--transition);
}

.buy-btn:hover {
    background: var(--color-accent-hover);
    color: white;
    transform: translateY(-1px);
}

.buy-btn-secondary {
    background: transparent;
    color: var(--color-accent);
    border: 1.5px solid var(--color-accent);
}

.buy-btn-secondary:hover {
    background: var(--color-accent);
    color: white;
}

.buy-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin: var(--space-lg) 0;
}


/* ============================================================
   EDITORIAL DETAILS — Vogue 風格排版
   ============================================================ */
.post-content > p:first-of-type::first-letter {
    font-family: var(--font-serif);
    float: left;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 0.85;
    padding: 0.05em 0.12em 0 0;
    color: var(--color-accent);
}

.post-content .kg-callout-card {
    border: none;
    border-top: 2px solid var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
    background: transparent;
    padding: var(--space-lg) 0;
    margin: var(--space-xl) 0;
    text-align: center;
}

.post-content .kg-callout-text {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-style: italic;
    line-height: 1.8;
    color: var(--color-text);
}

.post-content figcaption {
    text-align: center;
    font-size: 0.8rem;
    font-style: italic;
    color: var(--color-muted);
    margin-top: var(--space-xs);
    padding: 0 var(--space-md);
}

.post-content .kg-gallery-container {
    display: flex;
    gap: var(--space-sm);
    margin: var(--space-lg) 0;
}

.post-content .kg-gallery-row {
    display: flex;
    gap: var(--space-sm);
}

.post-content .kg-gallery-image img {
    border-radius: var(--radius-md);
}

.post-content .kg-width-wide {
    margin-left: calc(-1 * var(--space-xl));
    margin-right: calc(-1 * var(--space-xl));
    max-width: calc(100% + var(--space-xl) * 2);
}

.post-content .kg-width-full {
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    max-width: 100vw;
}


/* ============================================================
   TIMESTAMP HIGHLIGHT — 賽事精華時間戳連結
   ============================================================ */
.post-content a[href*="youtube.com"][href*="&t="],
.post-content a[href*="youtu.be"] {
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
    color: var(--color-cta);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px dashed var(--color-cta);
    padding-bottom: 1px;
}

.post-content a[href*="youtube.com"][href*="&t="]:hover,
.post-content a[href*="youtu.be"]:hover {
    color: var(--color-cta-hover);
    border-bottom-style: solid;
}


/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
    .post-card,
    .pillar-card,
    .line-cta,
    .about-cta {
        opacity: 0;
        transform: translateY(20px);
        animation: scrollFadeIn 0.6s ease forwards;
    }

    .posts-grid .post-card:nth-child(1) { animation-delay: 0.1s; }
    .posts-grid .post-card:nth-child(2) { animation-delay: 0.2s; }
    .posts-grid .post-card:nth-child(3) { animation-delay: 0.3s; }
    .posts-grid .post-card:nth-child(4) { animation-delay: 0.4s; }
    .posts-grid .post-card:nth-child(5) { animation-delay: 0.5s; }
    .posts-grid .post-card:nth-child(6) { animation-delay: 0.6s; }

    .pillars-grid .pillar-card:nth-child(1) { animation-delay: 0.1s; }
    .pillars-grid .pillar-card:nth-child(2) { animation-delay: 0.2s; }
    .pillars-grid .pillar-card:nth-child(3) { animation-delay: 0.3s; }
    .pillars-grid .pillar-card:nth-child(4) { animation-delay: 0.4s; }
}

@keyframes scrollFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ============================================================
   RESPONSIVE — Mobile first
   ============================================================ */
@media (max-width: 900px) {
    .home-content {
        padding: var(--spacing-8) var(--spacing-4) var(--spacing-12);
    }

    .featured-section {
        margin-bottom: var(--section-gap);
    }

    .featured-image-link {
        margin-left: 0;
    }

    .featured-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }

    .featured-image {
        border-radius: var(--radius-lg);
    }

    .featured-image img {
        aspect-ratio: 16 / 9;
    }

    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-8) var(--spacing-6);
    }

    .posts-section {
        margin-top: var(--spacing-12);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-8);
    }

    .footer-brand {
        grid-column: span 2;
        max-width: none;
    }
}

@media (max-width: 640px) {
    .nav {
        padding: var(--spacing-3) var(--spacing-4);
        flex-wrap: wrap;
    }

    .site-title {
        font-size: var(--font-size-base);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-right {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: var(--spacing-3);
        padding-top: var(--spacing-4);
        border-top: 1px solid var(--color-border-subtle);
        margin-top: var(--spacing-3);
    }

    .nav-right.nav-open {
        display: flex;
    }

    .nav-right .nav {
        flex-direction: column;
        gap: var(--spacing-2);
    }

    .nav-right .nav a {
        padding: var(--spacing-2) 0;
    }

    .nav-cta {
        text-align: center;
    }

    .featured-title {
        font-size: var(--font-size-2xl);
    }

    .posts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-10);
    }

    .pillars-content {
        padding: var(--spacing-10) var(--spacing-6);
    }

    .pillars-intro {
        font-size: var(--font-size-lg);
    }

    .pillars-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .pillar-card {
        padding: var(--spacing-6) var(--spacing-4);
    }

    .about-cta {
        padding: var(--spacing-16) var(--spacing-4);
    }

    .floating-cta {
        flex-direction: column;
        gap: var(--spacing-2);
        padding: var(--spacing-3) var(--spacing-4);
    }

    .floating-cta-text {
        font-size: var(--font-size-xs);
    }

    .back-to-top {
        bottom: var(--spacing-4);
        right: var(--spacing-4);
        width: 36px;
        height: 36px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-bottom {
        text-align: center;
    }
}


/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
    .site-header,
    .site-footer,
    .line-cta,
    .pillars,
    .back-to-top,
    .floating-cta,
    .reading-progress {
        display: none !important;
    }
    .post-content {
        max-width: 100%;
        font-size: 12pt;
    }
    body {
        background: white;
        color: black;
    }
}