/* Writing Pages - Design System (No Tailwind)
   Applies to:
   - /writing/
   - /writing/posts/*.html
   - /theories.html (when opted-in)

   Depends on:
   - /style.css (shared navigation + base tokens)
*/

.writing-page {
    --writing-bg: #001836;
    --writing-bg-2: #000c1a;
    --writing-surface: rgba(15, 21, 36, 0.70);
    --writing-surface-2: rgba(19, 41, 75, 0.50);
    --writing-border: rgba(255, 255, 255, 0.10);
    --writing-border-strong: rgba(255, 255, 255, 0.16);
    --writing-text: #ffffff;
    --writing-muted: rgba(255, 255, 255, 0.72);
    --writing-dim: rgba(255, 255, 255, 0.52);
    --writing-accent: #60a5fa;
    --writing-accent-2: #93c5fd;
    --writing-radius: 16px;
    --writing-radius-sm: 12px;
    --writing-shadow: 0 18px 50px rgba(0, 0, 0, 0.38);
}

.writing-page {
    font-family: 'DM Sans', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
    min-height: 100vh;
    color: var(--writing-text);
    background:
        radial-gradient(900px circle at 18% 12%, rgba(96, 165, 250, 0.16) 0%, transparent 60%),
        radial-gradient(700px circle at 86% 18%, rgba(187, 19, 62, 0.10) 0%, transparent 55%),
        linear-gradient(180deg, var(--writing-bg) 0%, var(--writing-bg-2) 60%, var(--writing-bg) 100%);
    position: relative;
}

.writing-page::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.55;
    background:
        repeating-linear-gradient(
            0deg,
            rgba(255, 255, 255, 0.030) 0px,
            rgba(255, 255, 255, 0.030) 1px,
            transparent 1px,
            transparent 46px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.024) 0px,
            rgba(255, 255, 255, 0.024) 1px,
            transparent 1px,
            transparent 46px
        );
    -webkit-mask-image: radial-gradient(circle at 30% 0%, rgba(0, 0, 0, 1) 0%, transparent 72%);
    mask-image: radial-gradient(circle at 30% 0%, rgba(0, 0, 0, 1) 0%, transparent 72%);
}

.writing-page .writing-main,
.writing-page #site-footer,
.writing-page #site-header {
    position: relative;
    z-index: 1;
}

/* Clean up heavy text shadows inherited from /style.css */
.writing-page h1,
.writing-page h2,
.writing-page h3,
.writing-page h4,
.writing-page p,
.writing-page li,
.writing-page span {
    text-shadow: none;
}

.writing-main {
    padding-top: calc(var(--nav-height) + 3rem);
    padding-bottom: 4.5rem;
}

.writing-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

.writing-container--narrow {
    max-width: 860px;
}

@media (min-width: 640px) {
    .writing-container {
        padding: 0 1.5rem;
    }
}

.writing-breadcrumb {
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    color: var(--writing-dim);
}

.writing-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.writing-breadcrumb a {
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.writing-breadcrumb a:hover {
    color: #ffffff;
    border-color: rgba(96, 165, 250, 0.55);
}

.writing-breadcrumb .separator {
    opacity: 0.6;
}

.writing-hero {
    border-radius: var(--writing-radius);
    border: 1px solid var(--writing-border);
    background:
        linear-gradient(135deg,
            rgba(96, 165, 250, 0.18) 0%,
            rgba(255, 255, 255, 0.04) 55%,
            rgba(0, 0, 0, 0.12) 100%
        );
    box-shadow: var(--writing-shadow);
    padding: 2rem;
    overflow: hidden;
    position: relative;
    isolation: isolate;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.writing-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.92;
    background:
        radial-gradient(620px circle at 12% 18%, rgba(96, 165, 250, 0.22) 0%, transparent 60%),
        radial-gradient(520px circle at 86% 0%, rgba(187, 19, 62, 0.14) 0%, transparent 55%);
}

.writing-hero > * {
    position: relative;
    z-index: 1;
}

.writing-hero--center {
    text-align: center;
}

.writing-title {
    font-family: 'Instrument Serif', ui-serif, Georgia, serif;
    font-weight: 400;
    letter-spacing: -0.02em;
    font-size: clamp(2.4rem, 5vw, 3.25rem);
    line-height: 1.05;
    margin: 0 0 0.75rem 0;
}

.writing-subtitle {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--writing-muted);
    max-width: 70ch;
    margin: 0 auto;
}

.writing-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.writing-rss-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(0, 0, 0, 0.12);
    color: rgba(255, 255, 255, 0.86);
    text-decoration: none;
    font-weight: 800;
    font-size: 0.9rem;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.writing-rss-link:hover {
    transform: translateY(-1px);
    border-color: rgba(96, 165, 250, 0.45);
    background: rgba(96, 165, 250, 0.12);
    color: #ffffff;
}

.writing-rss-link svg {
    width: 16px;
    height: 16px;
}

.writing-card {
    margin-top: 1.5rem;
    padding: 1.5rem;
    border-radius: var(--writing-radius-sm);
    border: 1px solid var(--writing-border);
    background: rgba(255, 255, 255, 0.03);
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.28);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.writing-controls {
    margin-top: 1.5rem;
    display: grid;
    gap: 1rem;
}

.writing-search {
    position: relative;
}

.writing-search-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--writing-dim);
    pointer-events: none;
}

.writing-search-input {
    width: 100%;
    min-height: var(--touch-target);
    padding: 0.8rem 1rem 0.8rem 3rem;
    border-radius: 14px;
    border: 1px solid var(--writing-border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--writing-text);
    font-size: 1rem;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.writing-search-input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.writing-search-input:focus {
    outline: none;
    border-color: rgba(96, 165, 250, 0.60);
    background: rgba(255, 255, 255, 0.06);
}

.writing-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.writing-filter-label {
    font-size: 0.9rem;
    color: var(--writing-dim);
    font-weight: 800;
    margin-right: 0.25rem;
}

.writing-filter-btn {
    min-height: 40px;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--writing-border);
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.82);
    font-weight: 800;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.writing-filter-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(96, 165, 250, 0.45);
    background: rgba(96, 165, 250, 0.10);
    color: #ffffff;
}

.writing-filter-btn:focus-visible {
    outline: 2px solid rgba(96, 165, 250, 0.75);
    outline-offset: 2px;
}

.writing-filter-btn.is-active {
    border-color: rgba(96, 165, 250, 0.65);
    background: rgba(96, 165, 250, 0.18);
    color: #ffffff;
}

.writing-posts {
    margin-top: 1.25rem;
    display: grid;
    gap: 1rem;
}

.writing-post-card {
    border-radius: var(--writing-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(0, 31, 66, 0.35);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    padding: 1.5rem;
    transition: transform 0.18s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.writing-post-card:hover {
    transform: translateY(-2px);
    border-color: rgba(187, 19, 62, 0.42);
    box-shadow: 0 20px 42px rgba(0, 0, 0, 0.32);
}

.writing-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.88);
}

.writing-tag--building {
    border-color: rgba(187, 19, 62, 0.30);
    background: rgba(187, 19, 62, 0.18);
}

.writing-tag--reflection {
    border-color: rgba(96, 165, 250, 0.30);
    background: rgba(96, 165, 250, 0.14);
}

.writing-post-card h2 {
    margin: 0.6rem 0 0.35rem 0;
    font-size: 1.25rem;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.writing-post-card h2 a {
    color: #ffffff;
    text-decoration: none;
}

.writing-post-card h2 a:hover {
    color: var(--writing-accent-2);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.writing-meta {
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.92rem;
    margin: 0.25rem 0 0.75rem 0;
}

.writing-excerpt {
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.65;
    margin: 0;
}

.writing-readmore {
    margin-top: 0.9rem;
}

.writing-readmore a {
    color: rgba(255, 255, 255, 0.88);
    text-decoration: none;
    border-bottom: 1px solid rgba(96, 165, 250, 0.0);
    transition: color 0.2s ease, border-color 0.2s ease;
    font-weight: 800;
}

.writing-readmore a:hover {
    color: #ffffff;
    border-color: rgba(96, 165, 250, 0.60);
}

.writing-empty {
    margin-top: 1.5rem;
    padding: 1.25rem;
    border-radius: var(--writing-radius);
    border: 1px solid var(--writing-border);
    background: rgba(255, 255, 255, 0.03);
    text-align: center;
    color: var(--writing-muted);
}

/* Post pages */
.writing-article {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .writing-article {
        padding: 0 1.5rem;
    }
}

.writing-post-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.writing-post-title {
    font-family: 'Instrument Serif', ui-serif, Georgia, serif;
    font-weight: 400;
    letter-spacing: -0.02em;
    font-size: clamp(2.3rem, 5vw, 3.4rem);
    line-height: 1.06;
    margin: 0 0 1rem 0;
}

.writing-post-byline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.95rem;
    flex-wrap: wrap;
}

.writing-hero-image {
    margin: 0 auto 2.5rem;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(0, 0, 0, 0.18);
}

.writing-hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.writing-photo-single {
    text-align: center;
    margin: 2rem auto;
}

.writing-photo-single img {
    max-width: 280px;
    width: 100%;
    height: auto;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
    background: rgba(0, 0, 0, 0.18);
}

.writing-prose {
    font-family: 'Times New Roman', Times, Georgia, serif;
    font-size: 1.125rem;
    line-height: 1.95;
    color: rgba(255, 255, 255, 0.80);
    max-width: 68ch;
    margin: 0 auto;
}

.writing-prose p {
    margin: 0 0 1.35rem 0;
}

.writing-prose p:first-of-type {
    font-size: 1.18rem;
    color: rgba(255, 255, 255, 0.92);
}

.writing-prose h2 {
    font-family: 'DM Sans', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
    font-size: 1.15rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.88);
    margin: 2.35rem 0 0.75rem 0;
    font-weight: 900;
}

.writing-prose a {
    color: rgba(147, 197, 253, 0.95);
    text-decoration: none;
    border-bottom: 1px solid rgba(147, 197, 253, 0.0);
    transition: color 0.15s ease, border-color 0.15s ease;
}

.writing-prose a:hover {
    color: #ffffff;
    border-color: rgba(147, 197, 253, 0.65);
}

.writing-prose ul {
    margin: 0 0 1.5rem 1.15rem;
    padding: 0;
}

.writing-prose li + li {
    margin-top: 0.5rem;
}

.writing-prose blockquote {
    margin: 2rem auto;
    padding: 1.25rem 1.5rem;
    border-left: 3px solid rgba(96, 165, 250, 0.65);
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(0, 0, 0, 0.14);
    color: rgba(255, 255, 255, 0.82);
}

.writing-prose blockquote p {
    margin: 0;
}

.writing-prose blockquote.twitter-tweet {
    margin: 2rem auto !important;
}

.writing-divider {
    width: 4rem;
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    margin: 3rem auto;
    opacity: 0.55;
}

.writing-breakout {
    width: min(920px, calc(100vw - 2rem));
    margin: 2rem auto;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.writing-posture-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.writing-posture-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 1.125rem;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.86);
}

.writing-posture-item:last-child {
    border-bottom: none;
}

.writing-posture-affirmation {
    color: rgba(255, 255, 255, 0.96);
    font-weight: 650;
}

.writing-posture-negation {
    color: rgba(255, 255, 255, 0.62);
    font-style: italic;
}

.writing-stat-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.85rem;
    margin: 1.5rem 0;
}

@media (min-width: 640px) {
    .writing-stat-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.writing-stat-card {
    border-radius: 14px;
    border: 1px solid rgba(96, 165, 250, 0.22);
    background: rgba(30, 58, 138, 0.14);
    padding: 1rem 1.1rem;
    font-family: 'DM Sans', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.writing-stat-number {
    font-size: 2rem;
    font-weight: 950;
    color: rgba(147, 197, 253, 0.96);
    letter-spacing: -0.01em;
    line-height: 1.1;
    margin: 0;
    font-family: 'DM Sans', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

.writing-stat-label {
    margin: 0.35rem 0 0 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.95rem;
    line-height: 1.45;
}

.writing-emoji-break {
    text-align: center;
    font-size: 2rem;
    margin: 2rem 0;
    color: rgba(255, 255, 255, 0.78);
}

.writing-poem {
    max-width: 60ch;
    margin: 0 auto;
    text-align: center;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 1.25rem;
    line-height: 2.0;
    color: rgba(255, 255, 255, 0.86);
}

.writing-poem-line {
    display: block;
}

.writing-stanza {
    margin-bottom: 2rem;
}

.writing-post-footer {
    max-width: 860px;
    margin: 2.75rem auto 0;
    padding: 1.25rem 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.writing-back-link {
    color: rgba(255, 255, 255, 0.70);
    text-decoration: none;
    font-weight: 850;
    border-bottom: 1px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.writing-back-link:hover {
    color: #ffffff;
    border-color: rgba(96, 165, 250, 0.60);
}

.writing-sigil {
    font-size: 1.9rem;
    color: rgba(255, 255, 255, 0.65);
}

@media (prefers-reduced-motion: reduce) {
    .writing-rss-link,
    .writing-filter-btn,
    .writing-post-card,
    .writing-readmore a {
        transition: none;
    }
}