:root {
  --glass: #f6f6f9;
  --paper: #ffffff;
  --ink: #1f1a2e;
  --muted: #676277;
  --line: #e2e0ea;
  --hema: #3d2c7a;
  --hema-soft: #ebe7f7;
  --eosin: #c93d72;
  --eosin-soft: #fbe8ef;
  --ok: #1f7a55;
  --ok-soft: #e3f3ec;
  --danger: #b3261e;
  --code: #efeef4;
  --serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, "Noto Serif", "Noto Serif Gujarati", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", "Noto Sans", "Noto Sans Gujarati", sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "DejaVu Sans Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --glass: #16141d; --paper: #1d1a26; --ink: #ece9f4; --muted: #a39db3; --line: #2f2b3b;
    --hema: #b3a3ff; --hema-soft: #2a2442; --eosin: #f07fa9; --eosin-soft: #3a2030;
    --ok: #6fd3a5; --ok-soft: #1c3329; --danger: #ff8a80; --code: #25222f;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--glass); color: var(--ink); font: 16px/1.6 var(--sans); }
a { color: var(--hema); text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--eosin); outline-offset: 2px; border-radius: 3px; }
img { max-width: 100%; height: auto; }
small { font-weight: 400; color: var(--muted); }

.wrap { max-width: 740px; margin: 0 auto; padding-left: 22px; padding-right: 22px; }
.wrap.wide { max-width: 1120px; }
.page { padding-top: 40px; padding-bottom: 72px; }

/* Masthead */
.masthead { background: var(--paper); border-bottom: 1px solid var(--line); }
.masthead-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 28px; padding-top: 16px; padding-bottom: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 700 1.2rem/1.2 var(--serif); color: var(--ink); }
.brand:hover { text-decoration: none; }
.stain { width: 18px; height: 18px; border-radius: 50%; flex: none;
  background: radial-gradient(circle at 38% 40%, var(--hema) 0 30%, var(--eosin) 32% 100%); }
.nav { display: flex; flex-wrap: wrap; gap: 4px 18px; flex: 1; }
.nav a { color: var(--muted); font-size: .95rem; padding: 2px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav a.on { color: var(--ink); border-bottom-color: var(--eosin); }
.search input { width: 180px; }

/* Lists of posts */
.page-title { font: 700 1.75rem/1.25 var(--serif); margin: 0 0 28px; }
.entry { display: grid; grid-template-columns: 64px 1fr auto; gap: 20px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.entry:first-of-type { padding-top: 0; }
.entry-date { display: flex; flex-direction: column; align-items: flex-start; color: var(--muted); line-height: 1.1; }
.entry-date .d { font: 700 1.9rem/1 var(--serif); color: var(--eosin); }
.entry-date .my { font-size: .8rem; margin-top: 4px; }
.entry h2 { font: 700 1.35rem/1.3 var(--serif); margin: 0 0 6px; }
.entry h2 a { color: var(--ink); }
.entry p { margin: 0 0 10px; color: var(--muted); }
.entry-thumb img { width: 116px; height: 116px; object-fit: cover; border-radius: 6px; display: block; }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font-size: .86rem; color: var(--muted); }
.tag { background: var(--hema-soft); color: var(--hema); padding: 1px 9px; border-radius: 4px; font-size: .8rem; }
.tag:hover { text-decoration: none; filter: brightness(.97); }
.empty { color: var(--muted); padding: 48px 0; text-align: center; }

.pager { display: flex; justify-content: space-between; align-items: center; margin-top: 32px; font-size: .95rem; }
.pager .off { color: var(--line); }
.pager .count { color: var(--muted); font-size: .85rem; }

/* Single post */
.post-head h1 { font: 700 2.3rem/1.18 var(--serif); margin: 0 0 12px; letter-spacing: -.01em; }
.post-cover { display: block; width: 100%; margin: 28px 0 0; border-radius: 8px; }
.prose { font: 1.12rem/1.78 var(--serif); margin-top: 30px; }
.prose > :first-child { margin-top: 0; }
.prose h2, .prose h3, .prose h4 { line-height: 1.3; margin: 1.9em 0 .55em; }
.prose h2 { font-size: 1.5rem; }
.prose h3 { font-size: 1.22rem; }
.prose p, .prose ul, .prose ol, .prose table, .prose pre { margin: 0 0 1.15em; }
.prose li { margin-bottom: .3em; }
.prose blockquote { margin: 1.5em 0; padding: .1em 0 .1em 1.1em; border-left: 3px solid var(--eosin); color: var(--muted); font-style: italic; }
.prose code { font: .86em var(--mono); background: var(--code); padding: .12em .38em; border-radius: 4px; }
.prose pre { background: var(--code); padding: 16px 18px; border-radius: 6px; overflow-x: auto; line-height: 1.5; }
.prose pre code { background: none; padding: 0; font-size: .86rem; }
.prose img { border-radius: 6px; margin: .4em 0; }
.prose table { display: block; overflow-x: auto; border-collapse: collapse; font: .95rem/1.5 var(--sans); }
.prose th, .prose td { border: 1px solid var(--line); padding: 7px 11px; text-align: left; }
.prose th { background: var(--hema-soft); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.2em 0; }
.prose iframe { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border: 0; border-radius: 6px; margin-bottom: 1.15em; }
.back { margin-top: 48px; font-size: .95rem; }

.footer { border-top: 1px solid var(--line); padding: 26px 0; color: var(--muted); font-size: .88rem; }
.footer .sep { display: inline-block; width: 4px; height: 4px; border-radius: 50%; background: var(--eosin); vertical-align: middle; margin: 0 10px; }

/* Forms */
input, textarea, select {
  width: 100%; font: inherit; color: var(--ink); background: var(--paper);
  border: 1px solid var(--line); border-radius: 6px; padding: .55rem .7rem; margin-top: 5px;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--hema); box-shadow: 0 0 0 3px var(--hema-soft); }
input[type=checkbox] { width: auto; margin: 0; accent-color: var(--hema); }
input[type=file] { padding: .4rem; }
textarea { resize: vertical; }
.mono { font: .92rem/1.55 var(--mono); }
.form label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 18px; }
.form label.check, label.check { display: flex; align-items: center; gap: 9px; font-weight: 500; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 22px; }
.narrow { max-width: 380px; margin: 0 auto; }
.btn { display: inline-block; background: var(--hema); color: #fff; border: 0; border-radius: 6px;
  padding: .6rem 1.15rem; font: 600 .95rem var(--sans); cursor: pointer; white-space: nowrap; }
.btn:hover { text-decoration: none; filter: brightness(1.1); }
.btn.small { padding: .35rem .75rem; font-size: .85rem; }
.btn.ghost { background: transparent; color: var(--hema); box-shadow: inset 0 0 0 1px var(--line); }
.btn.danger { background: var(--danger); }
@media (prefers-color-scheme: dark) { .btn:not(.ghost) { color: #16141d; } }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; color: var(--muted); cursor: pointer; }
.linkbtn:hover { color: var(--ink); text-decoration: underline; }
.danger-text { color: var(--danger); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 6px; }
.thumb { display: block; max-height: 100px; border-radius: 6px; margin: -8px 0 10px; }
.inline-form { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 26px; }
.inline-form input { width: auto; flex: 1; min-width: 200px; margin: 0; }
td .inline-form { margin: 0; flex-wrap: nowrap; }
.danger-zone { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); }

/* Flash & badges */
.flash { background: var(--ok-soft); color: var(--ok); padding: .75rem 1rem; border-radius: 6px; margin-bottom: 24px; }
.flash.error { background: var(--eosin-soft); color: var(--danger); }
.flash.warn { background: var(--hema-soft); color: var(--hema); }
.flash ul { margin: 0; padding-left: 1.1rem; }
.badge { display: inline-block; font-size: .78rem; font-weight: 600; padding: 2px 9px; border-radius: 4px; background: var(--code); color: var(--muted); }
.badge.live { background: var(--ok-soft); color: var(--ok); }
.badge.sched { background: var(--hema-soft); color: var(--hema); }

/* Admin */
.admin-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 26px; }
.admin-head h1 { font: 700 1.6rem var(--serif); margin: 0; }
.table-wrap { overflow-x: auto; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .7rem .9rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
th { font-size: .82rem; font-weight: 600; color: var(--muted); background: var(--glass); }
.row-actions { text-align: right; white-space: nowrap; }
.row-actions a, .row-actions form { margin-left: 14px; display: inline; }
.admin .pager { margin-top: 20px; }
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 18px; }
.media-item { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 10px; }
.preview { display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 3; background: var(--code);
  border-radius: 5px; overflow: hidden; color: var(--muted); font-weight: 700; }
.preview img { width: 100%; height: 100%; object-fit: cover; }
.snippet { display: flex; gap: 6px; margin: 10px 0 8px; }
.snippet input { margin: 0; font: .78rem var(--mono); padding: .35rem .5rem; }
.media-foot { display: flex; justify-content: space-between; align-items: center; font-size: .82rem; color: var(--muted); }

@media (max-width: 640px) {
  .search { width: 100%; }
  .search input { width: 100%; }
  .entry { grid-template-columns: 1fr; gap: 8px; }
  .entry-date { flex-direction: row; gap: 8px; align-items: baseline; }
  .entry-date .d { font-size: 1rem; font-family: var(--sans); color: var(--eosin); }
  .entry-date .my { margin: 0; }
  .entry-thumb { order: -1; }
  .entry-thumb img { width: 100%; height: 180px; }
  .post-head h1 { font-size: 1.8rem; }
  .prose { font-size: 1.05rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* MCQ */
.prose { counter-reset: mcq; }
.prose .mcq { counter-increment: mcq; font: 1rem/1.5 var(--sans); background: var(--paper); border: 1px solid var(--line);
  border-left: 4px solid var(--hema); border-radius: 8px; padding: 18px 20px; margin: 1.6em 0; }
.prose .mcq-q { font-weight: 600; margin: 0 0 12px; }
.prose .mcq[data-mcq] .mcq-q::before { content: "Q" counter(mcq) ". "; color: var(--eosin); }
.prose .mcq-opts { display: grid; gap: 8px; }
.prose .mcq-opt { display: flex; gap: 12px; align-items: flex-start; width: 100%; text-align: left; font: inherit; color: var(--ink);
  background: var(--glass); border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; cursor: pointer; }
.prose .mcq-opt:hover:not(:disabled) { border-color: var(--hema); }
.prose .mcq-opt:disabled { cursor: default; }
.prose .mcq-l { font-weight: 700; color: var(--hema); min-width: 1.2em; }
.prose .mcq-opt.right { background: var(--ok-soft); border-color: var(--ok); }
.prose .mcq-opt.right .mcq-l { color: var(--ok); }
.prose .mcq-opt.wrong { background: var(--eosin-soft); border-color: var(--danger); }
.prose .mcq-opt.wrong .mcq-l { color: var(--danger); }
.prose .mcq-opt.picked { box-shadow: inset 0 0 0 1px currentColor; }
.prose .mcq-exp { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.prose .mcq-error { border-left-color: var(--danger); color: var(--danger); }
.prose .mcq-score { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px;
  font: 600 1rem var(--sans); margin: -0.4em 0 1.6em; padding: 12px 16px; border-radius: 8px; background: var(--hema-soft); color: var(--hema); }
.prose .mcq-reset { font: 600 .9rem var(--sans); color: var(--hema); background: transparent; border: 1px solid currentColor;
  border-radius: 6px; padding: .35rem .8rem; cursor: pointer; }