/*
Theme Name: Geek's Forge — Forge Log
Theme URI: https://geeksforge.jp/
Author: Geek's Forge
Author URI: https://geeksforge.jp/
Description: Custom blog theme for Geek's Forge (Forge Log). Dark forge aesthetic with reading-optimized typography.
Version: 0.1.0
License: Proprietary
Text Domain: geeks-forge
*/

:root {
    --obsidian: #0a0908;
    --charcoal: #100e0c;
    --iron: #181511;
    --steel: #24201b;
    --ember: #ff5a1f;
    --ember-soft: #ff7a3d;
    --heat: #ffa149;
    --spark: #ffd166;
    --parchment: #efe7db;
    --parchment-bright: #f7f1e6;
    --ash: #8a7e70;
    --ash-dim: #5c5449;
    --hairline: rgba(239, 231, 219, 0.08);
    --hairline-strong: rgba(239, 231, 219, 0.14);

    --ff-display: 'Big Shoulders Stencil Display', 'Oswald', sans-serif;
    --ff-head: 'Syne', 'Archivo', sans-serif;
    --ff-body: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
    --ff-mono: 'JetBrains Mono', monospace;

    --measure: 42rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--obsidian);
    color: var(--parchment-bright);
    font-family: var(--ff-body);
    font-size: 16px;
    line-height: 1.85;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* --- Layout --- */
.site { min-height: 100vh; display: flex; flex-direction: column; }
.site-main { flex: 1; }

.container {
    max-width: 1100px;
    margin-inline: auto;
    padding-inline: clamp(16px, 4vw, 32px);
}
.container--narrow { max-width: var(--measure); }

/* --- Site Header --- */
.site-header {
    border-bottom: 1px solid var(--hairline-strong);
    padding-block: 18px;
    position: sticky;
    top: 0;
    background: rgba(10, 9, 8, 0.88);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 50;
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.site-brand {
    display: flex;
    align-items: baseline;
    gap: 12px;
    color: var(--parchment-bright);
    font-family: var(--ff-display);
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.site-brand .brand-main { font-size: 1.25rem; }
.site-brand .brand-sub {
    font-family: var(--ff-mono);
    font-size: 0.72rem;
    color: var(--ash);
    letter-spacing: 0.16em;
    font-weight: 500;
}

.site-nav ul {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.site-nav a {
    font-family: var(--ff-mono);
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--parchment);
}
.site-nav a:hover { color: var(--ember); }

/* --- Blog hero (index top) --- */
.blog-hero {
    padding-block: clamp(60px, 10vw, 120px) clamp(40px, 6vw, 80px);
    border-bottom: 1px solid var(--hairline);
    background:
        radial-gradient(1100px 520px at 20% 0%, rgba(255, 90, 31, 0.14), transparent 70%),
        radial-gradient(900px 480px at 100% 40%, rgba(255, 161, 73, 0.08), transparent 75%);
}
.blog-hero__kicker {
    font-family: var(--ff-mono);
    font-size: 0.75rem;
    color: var(--ember);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 18px;
}
.blog-hero__title {
    font-family: var(--ff-display);
    font-weight: 900;
    font-size: clamp(2.4rem, 7vw, 4.8rem);
    line-height: 0.95;
    letter-spacing: 0.02em;
    margin: 0 0 20px;
    color: var(--parchment-bright);
}
.blog-hero__tagline {
    font-size: 1.05rem;
    color: var(--parchment);
    opacity: 0.82;
    max-width: 620px;
    line-height: 1.75;
    margin: 0;
}

/* --- Article list --- */
.post-list {
    padding-block: clamp(48px, 8vw, 80px);
    display: flex;
    flex-direction: column;
    gap: clamp(28px, 4vw, 40px);
}
.post-card {
    border-top: 1px solid var(--hairline-strong);
    padding-top: clamp(28px, 4vw, 36px);
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: clamp(20px, 3vw, 32px);
    align-items: start;
}
.post-card__meta {
    font-family: var(--ff-mono);
    font-size: 0.74rem;
    letter-spacing: 0.14em;
    color: var(--ash);
    text-transform: uppercase;
    line-height: 1.6;
}
.post-card__meta .post-date {
    display: block;
    color: var(--heat);
    margin-bottom: 4px;
}
.post-card__body h2 {
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: clamp(1.3rem, 2.4vw, 1.8rem);
    line-height: 1.3;
    margin: 0 0 12px;
    color: var(--parchment-bright);
}
.post-card__body h2 a { color: inherit; }
.post-card__body h2 a:hover { color: var(--ember); }
.post-card__excerpt {
    color: var(--parchment);
    opacity: 0.78;
    font-size: 0.95rem;
    line-height: 1.85;
    margin: 0;
}

@media (max-width: 640px) {
    .post-card { grid-template-columns: 1fr; gap: 10px; }
}

/* --- Single post --- */
.post-header {
    padding-block: clamp(48px, 7vw, 80px) clamp(24px, 3vw, 32px);
    border-bottom: 1px solid var(--hairline);
}
.post-header__kicker {
    font-family: var(--ff-mono);
    font-size: 0.75rem;
    color: var(--ember);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.post-header__title {
    font-family: var(--ff-head);
    font-weight: 800;
    font-size: clamp(1.8rem, 5vw, 3rem);
    line-height: 1.25;
    letter-spacing: 0.01em;
    margin: 0 0 22px;
    color: var(--parchment-bright);
}
.post-header__meta {
    font-family: var(--ff-mono);
    font-size: 0.78rem;
    color: var(--ash);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.post-header__meta > * {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.post-thumbnail {
    margin-block: clamp(24px, 4vw, 40px) 0;
    max-width: 1100px;
    margin-inline: auto;
    padding-inline: clamp(16px, 4vw, 32px);
}
.post-thumbnail img {
    width: 100%;
    border: 1px solid var(--hairline-strong);
}

.post-body {
    padding-block: clamp(40px, 6vw, 64px) clamp(60px, 8vw, 100px);
}

.post-body > * + * { margin-top: 1.2em; }

.post-body h2 {
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: clamp(1.4rem, 2.6vw, 1.8rem);
    line-height: 1.35;
    color: var(--parchment-bright);
    margin-top: 2em;
    padding-top: 0.8em;
    border-top: 1px solid var(--hairline);
}
.post-body h3 {
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: clamp(1.2rem, 2vw, 1.4rem);
    line-height: 1.4;
    color: var(--parchment-bright);
    margin-top: 1.8em;
}
.post-body h4 {
    font-family: var(--ff-head);
    font-weight: 600;
    font-size: 1.08rem;
    color: var(--heat);
    margin-top: 1.6em;
}

.post-body p,
.post-body ul,
.post-body ol,
.post-body blockquote {
    font-size: 1.02rem;
    line-height: 1.95;
    color: var(--parchment-bright);
}

.post-body strong {
    color: var(--spark);
    font-weight: 600;
}

.post-body a {
    color: var(--heat);
    text-decoration: underline;
    text-decoration-color: var(--hairline-strong);
    text-underline-offset: 3px;
}
.post-body a:hover {
    color: var(--ember);
    text-decoration-color: var(--ember);
}

.post-body blockquote {
    border-left: 2px solid var(--ember);
    padding: 4px 18px;
    font-style: italic;
    color: var(--parchment);
    opacity: 0.9;
    margin-left: 0;
}

.post-body code {
    font-family: var(--ff-mono);
    font-size: 0.92em;
    background: var(--iron);
    padding: 2px 6px;
    border-radius: 2px;
    color: var(--heat);
    border: 1px solid var(--hairline);
}

.post-body pre {
    background: var(--charcoal);
    border: 1px solid var(--hairline-strong);
    padding: 20px;
    overflow-x: auto;
    font-family: var(--ff-mono);
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--parchment);
    position: relative;
}
.post-body pre::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--ember);
}
.post-body pre code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

.post-body img {
    border: 1px solid var(--hairline-strong);
    margin-inline: auto;
}

.post-body ul, .post-body ol {
    padding-left: 1.5em;
}
.post-body li + li { margin-top: 0.4em; }

.post-body hr {
    border: 0;
    height: 1px;
    background: var(--hairline-strong);
    margin-block: 2.4em;
}

.post-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.96rem;
}
.post-body th, .post-body td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--hairline-strong);
    text-align: left;
}
.post-body th {
    font-family: var(--ff-head);
    color: var(--heat);
    font-weight: 600;
    letter-spacing: 0.04em;
}

/* --- Post footer --- */
.post-footer {
    padding-block: clamp(32px, 4vw, 48px);
    border-top: 1px solid var(--hairline-strong);
}
.post-footer .tags {
    font-family: var(--ff-mono);
    font-size: 0.8rem;
    color: var(--ash);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.post-footer .tags a {
    color: var(--heat);
    margin-right: 10px;
}
.post-back {
    display: inline-block;
    margin-top: 24px;
    font-family: var(--ff-mono);
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--parchment);
    border: 1px solid var(--hairline-strong);
    padding: 10px 18px;
    transition: all 0.2s ease;
}
.post-back:hover {
    color: var(--ember);
    border-color: var(--ember);
}

/* --- Page template --- */
.page-header {
    padding-block: clamp(48px, 7vw, 80px) 0;
}
.page-title {
    font-family: var(--ff-head);
    font-weight: 800;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.25;
    color: var(--parchment-bright);
    margin: 0;
}

/* --- Pagination --- */
.pagination,
.navigation.pagination {
    padding-block: 40px;
    font-family: var(--ff-mono);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.pagination .nav-links,
.navigation.pagination .nav-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.pagination a,
.pagination .page-numbers {
    color: var(--parchment);
    border: 1px solid var(--hairline-strong);
    padding: 8px 14px;
    transition: all 0.2s ease;
    display: inline-block;
}
.pagination a:hover {
    color: var(--ember);
    border-color: var(--ember);
}
.pagination .page-numbers.current {
    color: var(--ember);
    border-color: var(--ember);
}

/* --- Site Footer --- */
.site-footer {
    border-top: 1px solid var(--hairline-strong);
    padding-block: 32px;
    font-family: var(--ff-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: var(--ash);
    text-transform: uppercase;
    margin-top: auto;
}
.site-footer .container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
    align-items: center;
}
.site-footer a { color: var(--parchment); }
.site-footer a:hover { color: var(--ember); }

/* --- Empty state --- */
.empty-state {
    padding-block: 60px;
    color: var(--ash);
    text-align: center;
}

/* --- Utilities --- */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px; width: 1px;
    overflow: hidden;
}

/* --- WP block alignment support --- */
.alignwide { max-width: 900px; margin-inline: auto; }
.alignfull {
    margin-inline: calc(50% - 50vw);
    max-width: 100vw;
    width: 100vw;
}
.aligncenter { margin-inline: auto; text-align: center; }
.alignleft { float: left; margin-right: 24px; margin-bottom: 16px; }
.alignright { float: right; margin-left: 24px; margin-bottom: 16px; }

.wp-caption {
    max-width: 100%;
    margin-bottom: 1.2em;
}
.wp-caption-text {
    font-family: var(--ff-mono);
    font-size: 0.78rem;
    color: var(--ash);
    letter-spacing: 0.04em;
    text-align: center;
    margin-top: 8px;
}