/* Yellow Pad — ruled notebook-paper theme with a black title bar. */

:root {
    --ink: #262115;
    --muted: #6b6650;
    --accent: #0b5d69;
    --rule: rgba(38, 33, 21, 0.16);
    --rule-strong: rgba(38, 33, 21, 0.3);
    --code-bg: rgba(38, 33, 21, 0.06);
    --paper: #fbf3c8;
    --line-step: 2.5rem;
    --margin-x: 4.25rem;
    --font-family: Georgia, 'Times New Roman', serif;
    --font-size: 17px;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
    font-family: var(--font-family);
    font-size: var(--font-size);
    line-height: 1.65;
    color: var(--ink);
    background-color: var(--paper);
    background-image:
        linear-gradient(to right, transparent 0 var(--margin-x), rgba(178, 60, 60, 0.35) var(--margin-x), rgba(178, 60, 60, 0.35) calc(var(--margin-x) + 1px), transparent calc(var(--margin-x) + 1px)),
        repeating-linear-gradient(to bottom, transparent 0, transparent calc(var(--line-step) - 1px), var(--rule) var(--line-step));
    background-attachment: fixed;
}

a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.site-head {
    background: #17140d;
    border-bottom: 1px solid #000;
}

.head-inner {
    max-width: 46rem;
    margin: 0 auto;
    padding: 1.1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-title {
    font: 700 1.4rem/1.2 'Segoe UI', system-ui, sans-serif;
    letter-spacing: 0.01em;
    color: #fff;
    text-decoration: none;
}

.search input {
    font: 15px/1.4 system-ui, sans-serif;
    padding: 0.35rem 0.6rem;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    width: 12rem;
}
.search input::placeholder { color: rgba(255, 255, 255, 0.55); }
.search input:focus { outline: none; background: rgba(255, 255, 255, 0.16); }

.page {
    max-width: 46rem;
    margin: 0 auto;
    padding: 0 1.25rem 3rem;
}

.list-heading {
    font: 700 1.4rem/1.3 'Segoe UI', system-ui, sans-serif;
    margin: 2rem 0 0.5rem;
}

h1 { font: 800 1.9rem/1.25 'Segoe UI', system-ui, sans-serif; color: var(--ink); margin: 0 0 0.3rem; }

.summary {
    padding: 2.25rem 0;
    border-bottom: 2px solid var(--rule-strong);
}
.summary:first-of-type { padding-top: 1.5rem; }
.summary p:last-child { margin-bottom: 0; }

.summary .thumb {
    display: block;
    margin-bottom: 1rem;
    border-radius: 3px;
    overflow: hidden;
    box-shadow: 0 6px 16px rgba(38, 33, 21, 0.25);
}
.summary .thumb img { display: block; width: 100%; height: auto; }

.summary h2 { font: 800 1.55rem/1.25 'Segoe UI', system-ui, sans-serif; margin: 0 0 0.3rem; }
.summary h2 a { color: var(--ink); text-decoration: none; }
.summary h2 a:hover { color: var(--accent); }

.post h1 { margin-top: 1.5rem; }

.meta {
    font: 14px/1.4 system-ui, sans-serif;
    color: var(--muted);
    margin: 0 0 1rem;
}

.post-body img { max-width: 100%; height: auto; border-radius: 3px; box-shadow: 0 6px 16px rgba(38, 33, 21, 0.25); }
.post-body pre {
    background: var(--code-bg);
    padding: 0.9rem 1rem;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 14px;
}
.post-body code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--code-bg); padding: 0.1rem 0.3rem; border-radius: 3px; }
.post-body pre code { background: none; padding: 0; }
.post-body blockquote { margin: 1rem 0; padding: 0.1rem 1rem; border-left: 3px solid var(--accent); color: var(--muted); }
.post-body hr { border: 0; border-top: 1px solid var(--rule-strong); margin: 2rem 0; }

.tags { list-style: none; padding: 0; margin: 1.5rem 0 0; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tags a {
    font: 13px/1 system-ui, sans-serif;
    background: rgba(38, 33, 21, 0.08);
    color: var(--accent);
    text-decoration: none;
    padding: 0.3rem 0.6rem;
    border-radius: 999px;
}
.tags a:hover { background: var(--accent); color: #fff; }

.pagination {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    justify-content: center;
    margin: 2rem 0 0;
    font: 700 15px/1 'Segoe UI', system-ui, sans-serif;
    flex-wrap: wrap;
}
.pagination .current { color: var(--accent); }
.pagination a { text-decoration: none; color: var(--ink); }
.pagination a:hover { color: var(--accent); }

.site-foot {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 2px solid var(--rule-strong);
    font: 14px/1.6 system-ui, sans-serif;
    color: var(--muted);
}

.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.4rem 0.8rem; align-items: baseline; margin-bottom: 0.75rem; }
.tag-cloud a { text-decoration: none; }
.tag-cloud .w1 { font-size: 0.85rem; color: var(--muted); }
.tag-cloud .w2 { font-size: 0.95rem; color: var(--muted); }
.tag-cloud .w3 { font-size: 1.1rem; }
.tag-cloud .w4 { font-size: 1.25rem; }
.tag-cloud .w5 { font-size: 1.45rem; font-weight: 700; }

.empty { color: var(--muted); font-style: italic; }

.footer-note { font-style: italic; }

@media (max-width: 34rem) {
    :root { --margin-x: 1.5rem; }
    body { font-size: 16px; }
    .search input { width: 100%; }
    .head-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}