/* ────────────────────────────────────────────────────────────
   FIELD NOTES · learning portal design system
   一份每天醒来的印刷出版物，恰好以浏览器为媒介。
   ──────────────────────────────────────────────────────────── */

:root {
  --paper:        #F4EFE6;
  --paper-deep:   #ECE5D5;
  --ink:          #1A1815;
  --ink-quiet:    rgba(26, 24, 21, 0.62);
  --ink-faint:    rgba(26, 24, 21, 0.42);
  --ink-ghost:    rgba(26, 24, 21, 0.22);
  --vermilion:    #B14F2D;
  --vermilion-q:  rgba(177, 79, 45, 0.72);
  --hair:         rgba(26, 24, 21, 0.10);
  --hair-strong:  rgba(26, 24, 21, 0.28);

  --serif: "Spectral", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;

  --col-margin: 10rem;
  --col-reading: 40rem;
  --col-outline: 13rem;
  --gap: clamp(20px, 3vw, 48px);
  --pad-page: clamp(28px, 5vw, 80px);

  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
::selection { background: var(--vermilion); color: var(--paper); }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(15.5px, 1.05vw, 17px);
  line-height: 1.7;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  font-variant-numeric: lining-nums proportional-nums;
  font-synthesis: none;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--ink);
  text-decoration: none;
  background-image: linear-gradient(var(--vermilion), var(--vermilion));
  background-size: 0% 1px;
  background-position: 0 calc(100% - 1px);
  background-repeat: no-repeat;
  transition: background-size 420ms var(--ease-out), color 200ms;
}
a:hover { background-size: 100% 1px; color: var(--ink); }

em, i { font-style: italic; font-weight: 500; }
strong, b { font-weight: 500; }

/* ───── MASTHEAD ──────────────────────────────────────────── */
.masthead {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding: clamp(22px, 3vh, 32px) var(--pad-page) clamp(18px, 2.4vh, 26px);
  border-bottom: 1px solid var(--hair-strong);
}
.masthead-brand {
  font-style: italic;
  font-weight: 400;
  font-size: clamp(22px, 1.9vw, 28px);
  letter-spacing: -0.012em;
  line-height: 1;
  background-image: none;
}
.masthead-brand em { color: var(--vermilion); font-style: italic; }
.masthead-brand:hover { background-size: 0% 1px; }

.primary-nav { display: flex; gap: clamp(14px, 1.8vw, 28px); align-items: baseline; }
.primary-nav a {
  font-style: italic;
  font-size: clamp(13.5px, 0.98vw, 16px);
  letter-spacing: 0.002em;
  padding-bottom: 1px;
  color: var(--ink-quiet);
  background-image: none;
}
.primary-nav a:hover { color: var(--ink); background-size: 0% 1px; }
.primary-nav a.current { color: var(--ink); }
.primary-nav a.current::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: 4px;
  background: var(--vermilion);
}

/* ───── PAGE GRID ─────────────────────────────────────────── */
.page {
  display: grid;
  grid-template-columns: var(--col-margin) minmax(0, var(--col-reading)) var(--col-outline);
  gap: var(--gap);
  max-width: calc(var(--col-margin) + var(--col-reading) + var(--col-outline) + 2 * var(--gap) + 2 * var(--pad-page));
  margin: 0;        /* left-aligned, dead space goes to the right */
  padding: clamp(48px, 9vh, 110px) var(--pad-page) clamp(80px, 12vh, 140px);
}
.page--wide {
  display: block;
  max-width: 76rem;
  margin: 0;
  padding: clamp(48px, 9vh, 110px) var(--pad-page) clamp(80px, 12vh, 140px);
}

/* ───── MARGIN COLUMN ────────────────────────────────────── */
.margin-col {
  text-align: right;
  border-right: 1px solid var(--hair);
  padding-right: clamp(14px, 2vw, 28px);
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 1.8vh, 22px);
}
.margin-date {
  margin: 0;
  font-style: italic;
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.012em;
}
.margin-date .d {
  display: block;
  font-size: clamp(56px, 5.6vw, 84px);
  color: var(--vermilion);
}
.margin-date .m {
  display: block;
  font-size: clamp(26px, 2.4vw, 36px);
  margin-top: 2px;
}
.margin-date .y {
  display: block;
  font-size: clamp(14px, 1.05vw, 16px);
  color: var(--ink-quiet);
  font-style: normal;
  letter-spacing: 0.18em;
  margin-top: 8px;
}
.margin-rule { height: 1px; background: var(--hair-strong); width: 60%; margin-left: auto; }
.margin-meta {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  line-height: 1.5;
  margin: 0;
}
.margin-meta strong { color: var(--ink); font-weight: 500; }
.margin-italic {
  font-style: italic;
  font-size: clamp(15px, 1.1vw, 17px);
  color: var(--ink);
  line-height: 1.4;
  margin: 0;
}

/* ───── READING COLUMN ───────────────────────────────────── */
.reading-col { min-width: 0; }

.hero-display {
  font-style: italic;
  font-weight: 400;
  font-size: clamp(46px, 6.4vw, 92px);
  line-height: 1.05;
  letter-spacing: 0;
  margin: 0 0 clamp(20px, 2.4vh, 32px);
}
.hero-display em { color: var(--vermilion); font-style: italic; }
.hero-display--lg { font-size: clamp(56px, 8vw, 120px); }
.hero-display--md { font-size: clamp(38px, 5vw, 64px); }

.hero-lede {
  font-size: clamp(16.5px, 1.18vw, 19.5px);
  line-height: 1.6;
  max-width: 36em;
  margin: 0 0 clamp(40px, 6vh, 64px);
}
.hero-lede em { color: var(--vermilion); font-style: italic; }

/* ───── SECTION HEAD ─────────────────────────────────────── */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  border-bottom: 1px solid var(--hair-strong);
  padding-bottom: clamp(12px, 1.4vh, 18px);
  margin: clamp(48px, 7vh, 80px) 0 clamp(20px, 2.8vh, 32px);
}
.section-head:first-child,
.reading-col > .section-head:first-of-type { margin-top: 0; }
.section-head h2 {
  font-style: italic;
  font-weight: 400;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.012em;
  margin: 0;
}
.section-head h2 em { color: var(--vermilion); font-style: italic; }
.section-head .label {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  white-space: nowrap;
}

/* ───── FILTER BAR (simple, direct) ──────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 1.6vw, 22px);
  margin: clamp(20px, 2.4vh, 32px) 0 clamp(28px, 3.4vh, 44px);
  padding-bottom: clamp(12px, 1.4vh, 18px);
  border-bottom: 1px solid var(--hair);
}
.filter-bar button {
  background: none;
  border: none;
  padding: 0 0 4px;
  font-family: inherit;
  font-style: italic;
  font-size: clamp(14px, 1.05vw, 17px);
  color: var(--ink-quiet);
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: color 200ms, border-color 200ms;
}
.filter-bar button:hover { color: var(--ink); }
.filter-bar button.is-active {
  color: var(--ink);
  border-bottom-color: var(--vermilion);
}
.filter-bar .count {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  margin-left: 4px;
}

/* ───── ENTRIES (numbered index) ─────────────────────────── */
.entries { list-style: none; margin: 0; padding: 0; }
.entry {
  display: grid;
  grid-template-columns: 4.2rem 1fr;
  gap: clamp(18px, 2vw, 32px);
  padding: clamp(24px, 3.4vh, 40px) 0;
  border-bottom: 1px solid var(--hair);
}
.entry:last-child { border-bottom: none; padding-bottom: 0; }
.entry-num {
  font-style: italic;
  font-weight: 300;
  font-size: clamp(48px, 5.2vw, 76px);
  line-height: 0.88;
  color: var(--vermilion);
  letter-spacing: -0.02em;
  font-variant-numeric: oldstyle-nums;
}
.entry-body { min-width: 0; }
.entry-kicker {
  font-style: italic;
  font-size: clamp(13px, 0.92vw, 15px);
  color: var(--ink-quiet);
  margin: 0 0 8px;
}
.entry-kicker em { color: var(--vermilion); font-style: italic; }
.entry-title {
  font-style: italic;
  font-weight: 400;
  font-size: clamp(23px, 2.2vw, 34px);
  line-height: 1.12;
  letter-spacing: -0.012em;
  margin: 0 0 clamp(10px, 1.2vh, 14px);
}
.entry-title a { background-position: 0 calc(100% - 2px); }
.entry-summary {
  font-size: clamp(14.5px, 1.05vw, 16.5px);
  line-height: 1.7;
  margin: 0 0 clamp(10px, 1.2vh, 14px);
}
.entry-meta {
  font-style: italic;
  font-size: clamp(13px, 0.95vw, 15px);
  color: var(--ink-faint);
  margin: 0;
  font-variant-numeric: oldstyle-nums;
}
.entry-meta .vmark { color: var(--vermilion); }
.entries .entry:first-child .entry-summary::first-letter {
  /* drop cap disabled — CSS first-letter can't tell CJK from Latin,
     and a 4.2em Chinese glyph looks like a billboard */
  font-size: inherit; float: none; color: inherit; margin: 0;
}

/* ───── DAY DIVIDER (intel chronicle) ─────────────────────── */
.day-divider {
  margin: clamp(40px, 6vh, 64px) 0 clamp(16px, 2vh, 24px);
  padding-bottom: clamp(10px, 1.2vh, 14px);
  border-bottom: 1px solid var(--hair-strong);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}
.day-divider:first-of-type { margin-top: 0; }
.day-divider h3 {
  font-style: italic;
  font-weight: 400;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1;
  margin: 0;
  letter-spacing: -0.012em;
}
.day-divider h3 em { color: var(--vermilion); font-style: italic; }
.day-divider .meta {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-quiet);
}

/* ───── MOVES (one hour, four moves) ─────────────────────── */
.moves { list-style: none; margin: 0; padding: 0; }
.move {
  display: grid;
  grid-template-columns: 4.2rem 1fr;
  gap: clamp(18px, 2vw, 32px);
  align-items: baseline;
  padding: clamp(18px, 2.4vh, 26px) 0;
  border-bottom: 1px solid var(--hair);
}
.move:last-child { border-bottom: none; }
.move-time {
  font-style: italic;
  font-size: clamp(28px, 2.6vw, 38px);
  line-height: 1;
  color: var(--vermilion);
  font-variant-numeric: oldstyle-nums;
  letter-spacing: -0.01em;
}
.move-text {
  font-size: clamp(15px, 1.08vw, 17px);
  line-height: 1.6;
  margin: 0;
}
.move-text em { color: var(--vermilion); font-style: italic; }

/* ───── PROSE (single essay reading) ─────────────────────── */
.prose { max-width: 36em; }
.prose p {
  font-size: clamp(15.5px, 1.1vw, 17.5px);
  line-height: 1.75;
  margin: 0 0 clamp(18px, 2.2vh, 26px);
}
/* prose drop cap removed for CJK safety */
.prose h2 {
  font-style: italic;
  font-weight: 400;
  font-size: clamp(26px, 2.6vw, 36px);
  line-height: 1.15;
  margin: clamp(40px, 5vh, 60px) 0 clamp(14px, 1.6vh, 20px);
  letter-spacing: -0.012em;
}
.prose h2 em { color: var(--vermilion); font-style: italic; }
.prose h3 {
  font-style: italic;
  font-weight: 400;
  font-size: clamp(20px, 1.8vw, 24px);
  margin: clamp(28px, 3.6vh, 40px) 0 clamp(10px, 1.2vh, 14px);
}
.prose blockquote {
  margin: clamp(22px, 2.8vh, 30px) 0;
  padding: 4px 0 4px clamp(18px, 2vw, 28px);
  border-left: 2px solid var(--vermilion);
  font-style: italic;
  font-size: clamp(17px, 1.3vw, 20px);
  line-height: 1.55;
  color: var(--ink);
}
.prose blockquote cite {
  display: block;
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vermilion);
  margin-top: 10px;
}
.prose ul, .prose ol {
  margin: 0 0 clamp(18px, 2.2vh, 26px);
  padding-left: 1.4em;
}
.prose li {
  font-size: clamp(15.5px, 1.1vw, 17.5px);
  line-height: 1.75;
  margin-bottom: 8px;
}
.prose li::marker { color: var(--vermilion); }
.prose hr {
  border: none;
  border-top: 1px solid var(--hair-strong);
  margin: clamp(40px, 5vh, 56px) 0;
  width: 100%;
}
.prose code {
  font-family: var(--serif);
  font-style: italic;
  background: var(--paper-deep);
  padding: 1px 6px;
  color: var(--ink);
}
.prose .ts {
  display: inline-block;
  margin-left: 8px;
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--vermilion);
  text-transform: uppercase;
}

/* ───── TAGS (small editorial chips) ─────────────────────── */
.tags { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: clamp(28px, 3.4vh, 40px) 0 0; }
.tag {
  font-style: italic;
  font-size: clamp(13px, 0.92vw, 15px);
  color: var(--ink-quiet);
  background-image: none;
}
.tag::before { content: "✥"; color: var(--vermilion); margin-right: 4px; font-style: normal; }

/* ───── LEDGER (graph 4-column) ──────────────────────────── */
.ledger {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: clamp(20px, 2.6vw, 40px);
  margin-top: clamp(28px, 4vh, 48px);
  border-top: 1px solid var(--hair-strong);
  padding-top: clamp(20px, 2.4vh, 32px);
}
.ledger-col h4 {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  margin: 0 0 clamp(14px, 1.8vh, 22px);
}
.ledger-col h4 .count {
  font-style: italic;
  color: var(--vermilion);
  font-size: 14px;
  margin-left: 4px;
  letter-spacing: 0;
  text-transform: none;
}
.ledger-col--current {
  border-left: 2px solid var(--vermilion);
  padding-left: clamp(14px, 1.8vw, 22px);
}
.ledger-item {
  padding: clamp(12px, 1.6vh, 18px) 0;
  border-bottom: 1px solid var(--hair);
}
.ledger-item:last-child { border-bottom: none; }
.ledger-item h5 {
  font-style: italic;
  font-weight: 400;
  font-size: clamp(16px, 1.3vw, 20px);
  line-height: 1.15;
  margin: 0 0 6px;
}
.ledger-item p {
  font-size: clamp(13.5px, 0.95vw, 15px);
  line-height: 1.55;
  margin: 0 0 6px;
  color: var(--ink);
}
.ledger-item .meta {
  font-style: italic;
  font-size: 12px;
  color: var(--ink-faint);
}

/* ───── OPS TABLE ─────────────────────────────────────────── */
.ops-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: clamp(24px, 3vh, 40px);
  font-variant-numeric: tabular-nums lining-nums;
}
.ops-table thead th {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--hair-strong);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  font-weight: 400;
}
.ops-table tbody td {
  padding: clamp(20px, 2.4vh, 28px) 14px;
  border-bottom: 1px solid var(--hair);
  vertical-align: top;
  font-size: clamp(14px, 1vw, 16px);
}
.ops-table tbody tr:last-child td { border-bottom: 1px solid var(--hair-strong); }
.ops-table .job-name {
  font-style: italic;
  font-size: clamp(20px, 1.6vw, 26px);
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.ops-table .script-path {
  font-size: 12px;
  color: var(--ink-quiet);
  margin-top: 4px;
}
.ops-table .desc {
  font-size: clamp(13px, 0.92vw, 15px);
  color: var(--ink-quiet);
  margin-top: 8px;
  line-height: 1.5;
}
.status-dot {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-style: italic;
  font-size: clamp(14px, 1vw, 16px);
}
.status-dot::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  transform: translateY(-1px);
}
.status-success::before { background: var(--vermilion); }
.status-partial::before { background: var(--ink-quiet); }
.status-failed::before { background: var(--ink); border: 1px solid var(--vermilion); }
.status-pending::before { background: transparent; border: 1px solid var(--ink-ghost); }

/* ───── BIG STATS (review) ───────────────────────────────── */
.bigstats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hair-strong);
  border: 1px solid var(--hair-strong);
  margin: clamp(28px, 4vh, 48px) 0 0;
}
.bigstat {
  background: var(--paper);
  padding: clamp(20px, 2.6vh, 32px);
  text-align: left;
}
.bigstat .n {
  font-style: italic;
  font-size: clamp(48px, 5.2vw, 80px);
  color: var(--vermilion);
  line-height: 0.9;
  letter-spacing: -0.02em;
  font-variant-numeric: oldstyle-nums;
}
.bigstat .l {
  font-style: italic;
  font-size: clamp(13px, 0.95vw, 15px);
  color: var(--ink-quiet);
  margin-top: 10px;
}

/* ───── COLOPHON ──────────────────────────────────────────── */
.colophon {
  margin-top: clamp(60px, 10vh, 120px);
  padding: clamp(28px, 4vh, 40px) var(--pad-page) clamp(36px, 5vh, 56px);
  border-top: 1px solid var(--hair-strong);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: clamp(20px, 3vw, 48px);
  max-width: calc(var(--col-margin) + var(--col-reading) + var(--gap) + 2 * var(--pad-page));
  margin-left: 0;
  margin-right: 0;
}
.page--wide ~ .colophon { max-width: 76rem; }
.colophon > div:last-child { text-align: right; }
.colophon-label {
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  margin: 0 0 6px;
}
.colophon-value {
  font-style: italic;
  font-size: clamp(14px, 1vw, 16px);
  line-height: 1.45;
  margin: 0;
}
.colophon-value em { color: var(--vermilion); font-style: italic; }

/* ───── MOTION ────────────────────────────────────────────── */
@view-transition { navigation: auto; }
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 280ms;
  animation-timing-function: var(--ease-out);
}
@keyframes lift-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}
.hero-display, .hero-lede, .margin-col, .day-divider:first-of-type, .entries .entry:first-child {
  animation: lift-in 720ms var(--ease-out) backwards;
}
.hero-lede { animation-delay: 90ms; }
.margin-col { animation-delay: 40ms; }
.entries .entry:first-child, .day-divider:first-of-type { animation-delay: 200ms; }

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

/* ───── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 1200px) {
  .page { grid-template-columns: var(--col-margin) minmax(0, var(--col-reading)); }
  .outline-col { display: none; }
}
@media (max-width: 1024px) {
  .ledger { grid-template-columns: 1fr 1fr; }
  .bigstats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 880px) {
  .page {
    grid-template-columns: 1fr;
    gap: clamp(28px, 4vh, 40px);
  }
  .margin-col {
    border-right: none;
    border-bottom: 1px solid var(--hair-strong);
    padding-right: 0;
    padding-bottom: clamp(18px, 2.4vh, 26px);
    text-align: left;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    gap: clamp(14px, 2vw, 22px);
  }
  .margin-date { display: flex; gap: 8px; align-items: baseline; }
  .margin-date .d { font-size: 40px; }
  .margin-date .m { font-size: 28px; margin: 0; }
  .margin-date .y { display: inline; margin: 0 0 0 6px; font-size: 12px; }
  .margin-rule { display: none; }
  .ops-table thead { display: none; }
  .ops-table tbody td { display: block; padding: 4px 0; border: none; }
  .ops-table tbody tr { display: block; padding: 20px 0; border-bottom: 1px solid var(--hair); }
}
@media (max-width: 640px) {
  .ledger { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .masthead { flex-direction: column; align-items: flex-start; gap: 14px; }
  .primary-nav { flex-wrap: wrap; gap: 16px; }
  .primary-nav a { margin: 0; }
  .entry { grid-template-columns: 2.8rem 1fr; gap: 14px; }
  .entry-num { font-size: 40px; }
  .move { grid-template-columns: 3rem 1fr; gap: 14px; }
  .move-time { font-size: 24px; }
  .colophon { grid-template-columns: 1fr; }
  .colophon > div:last-child { text-align: left; }
  .bigstats { grid-template-columns: 1fr; }
  .hero-display { font-size: clamp(24px, 6.6vw, 32px); line-height: 1.06; }
  .hero-display--lg { font-size: clamp(28px, 8vw, 40px); }
  .hero-display--md { font-size: clamp(22px, 5.8vw, 30px); }
  /* keep <br/> as explicit line-breaks at this size — text stays inside the viewport */
}

/* ───── OUTLINE COLUMN (right marginalia · navigator) ───── */
.outline-col {
  position: sticky;
  top: clamp(80px, 12vh, 120px);
  align-self: start;
  border-left: 1px solid var(--hair);
  padding-left: clamp(14px, 1.4vw, 22px);
  font-style: italic;
  font-size: clamp(13px, 0.94vw, 15px);
  line-height: 1.5;
  max-height: calc(100vh - 160px);
  overflow-y: auto;
}
.outline-col::-webkit-scrollbar { width: 4px; }
.outline-col::-webkit-scrollbar-thumb { background: var(--hair-strong); }

.outline-heading {
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  margin: 0 0 clamp(14px, 1.8vh, 22px);
}

.outline-list { list-style: none; margin: 0; padding: 0; }
.outline-list li {
  padding: 9px 0 9px 12px;
  margin-left: -12px;
  border-left: 2px solid transparent;
  transition: border-color 220ms var(--ease-out), color 200ms;
}
.outline-list li a {
  color: var(--ink-quiet);
  background-image: none;
  display: block;
  font-style: italic;
}
.outline-list li a:hover { color: var(--ink); background-size: 0% 1px; }
.outline-list li.is-active {
  border-left-color: var(--vermilion);
}
.outline-list li.is-active a { color: var(--ink); }
.outline-list .item-no {
  font-family: var(--serif);
  font-style: italic;
  color: var(--vermilion);
  margin-right: 8px;
  font-variant-numeric: oldstyle-nums;
  font-size: 0.92em;
}

.outline-progress {
  margin-top: clamp(28px, 3.6vh, 40px);
  padding-top: clamp(16px, 2vh, 22px);
  border-top: 1px solid var(--hair);
}
.outline-progress .lbl {
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  margin: 0 0 10px;
}
.outline-progress .bar {
  height: 2px;
  background: var(--hair);
  position: relative;
}
.outline-progress .fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: var(--vermilion);
  width: 0%;
  transition: width 180ms linear;
}
.outline-progress .pct {
  font-style: italic;
  font-size: clamp(15px, 1.1vw, 17px);
  color: var(--vermilion);
  margin: 10px 0 0;
  font-variant-numeric: oldstyle-nums;
}

.outline-aside {
  margin-top: clamp(28px, 3.6vh, 40px);
  padding-top: clamp(16px, 2vh, 22px);
  border-top: 1px solid var(--hair);
  font-style: italic;
  font-size: clamp(12.5px, 0.9vw, 14px);
  color: var(--ink-quiet);
  line-height: 1.55;
}
.outline-aside .lbl {
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  margin: 0 0 8px;
}
.outline-aside em { color: var(--vermilion); font-style: italic; }

/* ───── ISSUE STAMP (right-edge vertical spine) ─────────── */
.issue-stamp {
  position: fixed;
  right: clamp(14px, 1.6vw, 28px);
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: 100% 50%;
  font-style: italic;
  font-size: clamp(10.5px, 0.78vw, 12.5px);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--vermilion);
  white-space: nowrap;
  z-index: 5;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 14px;
  font-feature-settings: "kern" 1;
}
.issue-stamp::before,
.issue-stamp::after {
  content: "";
  display: inline-block;
  height: 1px;
  width: 24px;
  background: var(--vermilion);
}
@media (max-width: 1100px) {
  /* on narrower viewports there's no dead space — hide the stamp */
  .issue-stamp { display: none; }
}

/* ───── SEARCH INPUT ─────────────────────────────────────── */
.search-input {
  width: 100%;
  max-width: 32em;
  padding: 10px 0 8px;
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--hair-strong);
  color: var(--ink);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(15px, 1.1vw, 17px);
  margin: clamp(8px, 1.2vh, 16px) 0 clamp(20px, 2.4vh, 32px);
  outline: none;
  transition: border-color 200ms;
}
.search-input:focus { border-bottom-color: var(--vermilion); }
.search-input::placeholder { font-style: italic; color: var(--ink-quiet); }
.search-input::-webkit-search-cancel-button { -webkit-appearance: none; }