/* SplatTop Style Bible */
:root {
    /* Brand Colors */
    --color-purple: #ab5ab7;
    --color-purple-dark: #7b28a4;
    --color-purple-light: #c183e1;

    /* Competition Accents */
    --color-fuchsia: #c026d3;
    --color-fuchsia-light: #d946ef;
    --color-fuchsia-lighter: #e879f9;

    /* Background Colors */
    --color-surface-dark: #0f172a;
    --color-surface-elevated: rgba(15, 23, 42, 0.55);
    --color-surface-subtle: rgba(255, 255, 255, 0.022);
    --color-surface-hint: rgba(13, 17, 23, 0.74);
    --color-gray-900: #1F2937;

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #c9d1d9;
    --color-text-muted: #8b949e;

    /* Borders + Shadows */
    --border-soft: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(217, 70, 239, 0.35);
    --shadow-panel: 0 10px 26px rgba(1, 4, 9, 0.45);
    --shadow-elevated: 0 18px 42px rgba(1, 4, 9, 0.65);
    --shadow-accent:
        0 14px 36px rgba(1, 4, 9, 0.65),
        inset 0 0 0 1px rgba(217, 70, 239, 0.08);

    /* Typography */
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    --font-code: source-code-pro, Menlo, Monaco, Consolas, "Courier New", monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-surface-dark);
    background-image:
        radial-gradient(1200px 600px at 10% -10%, rgba(217, 70, 239, 0.12), transparent 65%),
        radial-gradient(900px 480px at 90% 0%, rgba(192, 38, 211, 0.08), transparent 65%),
        linear-gradient(180deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 1) 55%);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 140px 140px;
    opacity: 0.08;
    pointer-events: none;
    z-index: 0;
}

a {
    color: var(--color-purple-light);
    transition: color 200ms ease;
}

a:hover {
    color: var(--color-fuchsia-light);
}

.page-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: min(1100px, calc(100% - 2.5rem));
    margin: 0 auto;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-900);
}

::-webkit-scrollbar-thumb {
    background: var(--color-purple);
    border-radius: 5px;
    border: 1px solid var(--color-gray-900);
}

/* Header / Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.78), rgba(15, 23, 42, 0.5));
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(18px);
    box-shadow: 0 8px 22px rgba(1, 4, 9, 0.28);
}

.site-header::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(217, 70, 239, 0.45), transparent);
    opacity: 0.6;
    pointer-events: none;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 0;
}

.site-title {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(15, 23, 42, 0.55);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 12px 24px rgba(1, 4, 9, 0.35);
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: clamp(0.95rem, 1.6vw, 1.1rem);
    letter-spacing: 0.03em;
    transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.site-title:hover {
    border-color: rgba(217, 70, 239, 0.4);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 14px 28px rgba(1, 4, 9, 0.4);
    transform: translateY(-1px);
}

.site-title__mark {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(232, 121, 249, 1), rgba(123, 40, 164, 0.85));
    box-shadow: 0 0 12px rgba(217, 70, 239, 0.6);
}

.site-title__text {
    text-shadow: 0 2px 6px rgba(1, 4, 9, 0.35);
}

/* Main Content */
.site-main {
    padding: clamp(1.5rem, 3vw, 2.5rem) 0 3rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

h1, h2, h3, h4 {
    color: var(--color-text-primary);
}

/* Hero */
.page-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border-radius: 20px;
    border: 1px solid rgba(217, 70, 239, 0.14);
    background: linear-gradient(140deg, rgba(217, 70, 239, 0.12), rgba(15, 23, 42, 0.78));
    box-shadow: var(--shadow-elevated);
    animation: fade-up 600ms ease both;
}

.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(217, 70, 239, 0.22), transparent 55%);
    opacity: 0.4;
    pointer-events: none;
}

.page-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.1;
    position: relative;
    z-index: 1;
}

.page-intro {
    color: var(--color-text-secondary);
    max-width: 62ch;
    position: relative;
    z-index: 1;
}

/* Post Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.post-card {
    background: var(--color-surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    box-shadow: var(--shadow-panel);
    backdrop-filter: blur(16px);
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
    animation: card-in 700ms ease both;
}

.post-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(217, 70, 239, 0.8), transparent);
    opacity: 0;
    transition: opacity 200ms ease;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-accent);
    border-color: rgba(217, 70, 239, 0.25);
}

.post-card:hover::before {
    opacity: 1;
}

.post-card__media {
    display: block;
    height: 180px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
}

.post-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 300ms ease;
}

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

.post-card--no-media {
    background-image: linear-gradient(135deg, rgba(217, 70, 239, 0.06), rgba(15, 23, 42, 0.65));
}

.post-card__content {
    padding: 1.25rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.post-card__meta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    border: 1px solid rgba(217, 70, 239, 0.3);
    background: rgba(217, 70, 239, 0.1);
    color: var(--color-text-muted);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.post-card__title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.post-card__title a {
    color: var(--color-text-primary);
    text-decoration: none;
}

.post-card__excerpt {
    color: var(--color-text-secondary);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.5rem 0 0;
    color: var(--color-text-secondary);
}

.pagination__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    border: 1px solid rgba(217, 70, 239, 0.2);
    background: rgba(15, 23, 42, 0.6);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: border-color 200ms ease, background 200ms ease, color 200ms ease;
}

.pagination__link:hover {
    border-color: rgba(217, 70, 239, 0.45);
    background: rgba(217, 70, 239, 0.12);
}

.pagination__link--disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination__status {
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

/* Post Detail */
.post {
    position: relative;
    overflow: hidden;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border-radius: 20px;
    border: 1px solid var(--border-soft);
    background: var(--color-surface-elevated);
    box-shadow: var(--shadow-elevated);
}

.post::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(217, 70, 239, 0.1), transparent 55%);
    pointer-events: none;
}

.post-header {
    position: relative;
    z-index: 1;
    margin-bottom: 2rem;
}

.post-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 0.75rem;
}

.post-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    border: 1px solid var(--border-accent);
    background: rgba(217, 70, 239, 0.12);
    color: var(--color-text-muted);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.featured-image {
    margin: 1.5rem 0 2rem;
    box-shadow: var(--shadow-panel);
    max-height: 420px;
    width: 100%;
    object-fit: cover;
}

.post-content {
    position: relative;
    z-index: 1;
}

.content p, .markdown-content p, .rich-text p {
    margin-bottom: 1.25rem;
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

.content ul, .content ol,
.markdown-content ul, .markdown-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
    color: var(--color-text-secondary);
}

.content li, .markdown-content li {
    margin-bottom: 0.5rem;
}

blockquote {
    border-left: 3px solid var(--color-purple);
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    color: var(--color-text-secondary);
    font-style: italic;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
}

figure {
    margin: 1.5rem 0;
}

figure img {
    display: block;
}

figcaption {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    text-align: center;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
}

pre, code {
    font-family: var(--font-code);
    background: var(--color-gray-900);
    border-radius: 10px;
}

pre {
    padding: 1.25rem;
    overflow-x: auto;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin: 1.5rem 0;
}

code {
    padding: 0.2rem 0.4rem;
    font-size: 0.9em;
}

pre code {
    padding: 0;
    background: transparent;
}

.post-nav {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-soft);
}

.post-nav a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 0.55rem 1.25rem;
    border-radius: 9999px;
    border: 1px solid rgba(217, 70, 239, 0.25);
    background: rgba(217, 70, 239, 0.08);
    transition: all 200ms ease;
}

.post-nav a:hover {
    background: rgba(217, 70, 239, 0.18);
    color: var(--color-text-primary);
}

/* Home */
.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.link-card {
    display: block;
    padding: 1.2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
    text-decoration: none;
    box-shadow: var(--shadow-panel);
    transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.link-card:hover {
    transform: translateY(-3px);
    border-color: rgba(217, 70, 239, 0.25);
    box-shadow: var(--shadow-accent);
}

.link-card__title {
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.link-card__meta {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Footer */
.site-footer {
    margin-top: auto;
    padding: 2rem 0 2.5rem;
    border-top: 1px solid var(--border-soft);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Button Styles */
.button-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(217, 70, 239, 0.95), rgba(192, 38, 211, 0.9));
    color: #fff;
    border: 1px solid rgba(217, 70, 239, 0.55);
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.55rem 1.25rem;
    box-shadow: 0 12px 30px rgba(217, 70, 239, 0.25);
    transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
    cursor: pointer;
    text-decoration: none;
}

.button-primary:hover {
    background: linear-gradient(135deg, rgba(232, 121, 249, 0.95), rgba(217, 70, 239, 0.92));
    box-shadow: 0 14px 32px rgba(217, 70, 239, 0.35);
    color: #fff;
}

.button-primary:active {
    transform: scale(0.98);
}

/* Collapsible Blocks */
.collapsible-block {
    margin: 1.5rem 0;
    border-radius: 12px;
    border: 1px solid rgba(217, 70, 239, 0.2);
    background: rgba(15, 23, 42, 0.6);
    overflow: hidden;
}

.collapsible-block__summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    background: rgba(217, 70, 239, 0.08);
    border-bottom: 1px solid transparent;
    transition: background 200ms ease, border-color 200ms ease;
    list-style: none;
}

.collapsible-block__summary::-webkit-details-marker {
    display: none;
}

.collapsible-block__summary::marker {
    display: none;
    content: "";
}

.collapsible-block__summary:hover {
    background: rgba(217, 70, 239, 0.14);
}

.collapsible-block[open] .collapsible-block__summary {
    border-bottom-color: rgba(217, 70, 239, 0.2);
}

.collapsible-block__title {
    font-weight: 600;
    color: var(--color-text-primary);
}

.collapsible-block__icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
}

.collapsible-block__icon::before,
.collapsible-block__icon::after {
    content: "";
    position: absolute;
    background: var(--color-purple-light);
    border-radius: 2px;
    transition: transform 200ms ease;
}

.collapsible-block__icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

.collapsible-block__icon::after {
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

.collapsible-block[open] .collapsible-block__icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

.collapsible-block__content {
    padding: 1.25rem;
}

.collapsible-block__content > :first-child {
    margin-top: 0;
}

.collapsible-block__content > :last-child {
    margin-bottom: 0;
}

/* Nested collapsible blocks */
.collapsible-block .collapsible-block {
    margin: 1rem 0;
    background: rgba(15, 23, 42, 0.4);
}

/* Animations */
@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes card-in {
    from {
        opacity: 0;
        transform: translateY(14px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.post-card:nth-child(2) {
    animation-delay: 80ms;
}

.post-card:nth-child(3) {
    animation-delay: 140ms;
}

.post-card:nth-child(4) {
    animation-delay: 200ms;
}

.post-card:nth-child(5) {
    animation-delay: 260ms;
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Responsive */
@media (max-width: 640px) {
    .container {
        width: calc(100% - 1.5rem);
    }

    .post-card__media {
        height: 160px;
    }

    .post-card__content {
        padding: 1rem 1.1rem 1.25rem;
    }

    .post-nav a {
        width: 100%;
        justify-content: center;
    }

    .pagination {
        flex-direction: column;
    }

    .pagination__link {
        width: 100%;
    }
}