/* essay.css — reading layer for /essay/. Loads AFTER styles.css and reuses its tokens. */

.essay-page {
  min-height: 100svh;
  background:
    radial-gradient(circle at 78% 4%, rgba(255, 78, 47, 0.07), transparent 30rem),
    var(--ink);
  --serif: "Literata", "Iowan Old Style", Palatino, Georgia, serif;
  --prose: #cbc8c0;
  --measure: 36rem;
}

.essay-page .essay-shell {
  width: min(100%, var(--measure));
  margin-inline: auto;
  padding: clamp(2.5rem, 7vh, 5rem) clamp(1.25rem, 5vw, 2rem) clamp(7rem, 14vh, 11rem);
}

/* progress */
.read-progress {
  position: fixed;
  z-index: 25;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform-origin: 0 50%;
  transform: scaleX(0);
  pointer-events: none;
}

/* masthead */
.essay-mast { padding-bottom: 1rem; }

.essay-mast h1 {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(2.9rem, 11vw, 5rem);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.essay-deck {
  max-width: 28ch;
  margin: 1.1rem 0 0;
  font-family: var(--display-font);
  font-size: clamp(1.2rem, 4.4vw, 1.7rem);
  font-weight: 500;
  line-height: 1.16;
  letter-spacing: -0.04em;
  color: var(--paper);
}

.essay-curves { display: block; width: 100%; height: auto; margin: 2rem 0 1.6rem; overflow: visible; }
.essay-curves .cap { fill: none; stroke: var(--muted); stroke-width: 1.4; stroke-linecap: round; }
.essay-curves .ctl { fill: none; stroke: var(--accent); stroke-width: 2.4; stroke-linecap: round; }
.essay-curves .base { stroke: var(--line); stroke-width: 1; }
.essay-curves text { font: 400 13px var(--serif); font-style: italic; }
.essay-curves .lc { fill: var(--muted); }
.essay-curves .lt { fill: var(--accent); }

@media (prefers-reduced-motion: no-preference) {
  .essay-curves path.draw { stroke-dasharray: 420; stroke-dashoffset: 420; animation: essay-draw 1.6s cubic-bezier(.3,.1,.2,1) .2s forwards; }
  .essay-curves path.ctl.draw { animation-delay: .75s; animation-duration: 1.9s; }
  .essay-curves text { opacity: 0; animation: essay-fade .6s ease 1.9s forwards; }
  @keyframes essay-draw { to { stroke-dashoffset: 0; } }
  @keyframes essay-fade { to { opacity: 1; } }
}

.essay-meta {
  margin: 0;
  color: var(--muted);
  font: 0.72rem/1.7 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.06em;
}

.essay-attr {
  max-width: 44ch;
  margin: 1rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.92rem;
  line-height: 1.6;
}

.essay-tools { display: none; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.4rem; }
:root[data-js] .essay-tools { display: flex; }

.essay-tools button {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  color: var(--muted);
  font: 0.68rem/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease;
}

.essay-tools button:hover { color: var(--accent); border-color: var(--accent); }

/* contents */
.essay-toc { margin-top: clamp(3rem, 8vh, 5rem); }
.essay-toc h2 {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font: 0.72rem/1.4 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.12em;
  font-weight: 400;
}
.essay-toc ol { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.essay-toc a {
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.3;
}
.essay-toc a:hover { color: var(--accent); }
.essay-toc .tn { color: var(--accent); font: 0.7rem/1.6 ui-monospace, Consolas, monospace; }
.essay-toc .tm { color: var(--muted); font: 0.68rem/1.6 ui-monospace, Consolas, monospace; }
.essay-toc .tm::after { content: " MIN"; }

/* sections */
.essay-sec { padding-top: clamp(4rem, 11vh, 7rem); }
.essay-sec .sn {
  margin: 0 0 0.85rem;
  color: var(--accent);
  font: 0.72rem/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.12em;
}
.essay-sec h2 {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(1.7rem, 6.4vw, 2.5rem);
  font-weight: 540;
  line-height: 1.02;
  letter-spacing: -0.05em;
  color: var(--paper);
  text-wrap: balance;
}
.essay-sec .sm {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font: 0.68rem/1 ui-monospace, Consolas, monospace;
  letter-spacing: 0.1em;
}
.essay-sec .sh { margin-bottom: 1.8rem; }

/* prose */
.prose {
  font-family: var(--serif);
  font-size: clamp(1.06rem, 0.98rem + 0.4vw, 1.18rem);
  line-height: 1.68;
  color: var(--prose);
  hyphens: auto;
  -webkit-hyphens: auto;
  overflow-wrap: break-word;
  text-wrap: pretty;
  font-variant-numeric: oldstyle-nums proportional-nums;
}
.prose p { margin: 0; text-indent: 1.35em; }
.prose > p:first-child, .prose .ri, .prose .np, .prose .tbl + p { text-indent: 0; }
.prose .ri { margin-top: 1.15em; }
.prose > .ri:first-child { margin-top: 0; }
.prose strong { color: var(--paper); font-weight: 600; }
.prose em { font-style: italic; }
.prose a {
  color: var(--paper);
  text-decoration-line: underline;
  text-decoration-color: rgba(255, 78, 47, 0.7);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
.prose a:hover { color: var(--accent); }

/* draft notes */
.note {
  background: rgba(255, 78, 47, 0.1);
  color: #f3d2c7;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  padding: 0.05em 0.3em;
  border-radius: 2px;
  font-size: 0.88em;
  text-indent: 0;
}
.nl { color: var(--accent); font-weight: 600; margin-right: 0.35em; }
.nl::after { content: "."; }
.np { margin: 1.4em 0 !important; }
.np .note {
  display: block;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 2px 2px 0;
}
:root[data-notes="off"] .note, :root[data-notes="off"] .np { display: none; }

/* tables */
.tbl {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.5em calc(-1 * clamp(1.25rem, 5vw, 2rem));
  padding-inline: clamp(1.25rem, 5vw, 2rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tbl table {
  border-collapse: collapse;
  margin: 0.8em 0;
  font: 0.68rem/1.4 ui-monospace, "SFMono-Regular", Consolas, monospace;
  white-space: nowrap;
  font-variant-numeric: lining-nums tabular-nums;
}
.tbl th { text-align: left; color: var(--paper); font-weight: 600; padding: 0.5em 1.1em 0.5em 0; border-bottom: 1px solid var(--line); }
.tbl td { padding: 0.45em 1.1em 0.45em 0; border-bottom: 1px solid var(--line); color: var(--prose); }
.tbl tr:last-child td { border-bottom: 0; }
.prose p em:only-child { display: inline-block; margin-top: 0.4em; color: var(--muted); font-size: 0.86em; }

/* end */
.essay-end { margin-top: clamp(4rem, 10vh, 7rem); padding-top: 2rem; border-top: 1px solid var(--line); }
.essay-end p { margin: 0 0 0.8rem; color: var(--muted); font: 0.72rem/1.7 ui-monospace, Consolas, monospace; }

/* dock + sheet */
.essay-dock {
  position: fixed;
  z-index: 30;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 0.6rem;
  padding: 0 1rem calc(1rem + env(safe-area-inset-bottom, 0px));
  pointer-events: none;
}
.essay-dock button {
  pointer-events: auto;
  background: rgba(8, 8, 8, 0.86);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.6rem 1.1rem;
  color: var(--paper);
  font: 0.68rem/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.1em;
  cursor: pointer;
}
.essay-dock button[hidden] { display: none; }
.essay-dock .resume { color: var(--accent); border-color: rgba(255, 78, 47, 0.5); }

.essay-sheet {
  border: 0;
  padding: 0;
  margin: 0 0 0 auto;
  width: min(100%, 24rem);
  height: 100dvh;
  max-height: none;
  background: #0d0d0d;
  color: var(--paper);
  border-left: 1px solid var(--line);
  border-radius: 0;
}
dialog.essay-sheet::backdrop { background: rgba(0, 0, 0, 0.72); }
.essay-sheet .in {
  height: 100%;
  max-height: 100dvh;
  overflow-y: auto;
  padding: calc(1.1rem + env(safe-area-inset-top, 0px)) clamp(1.25rem, 5vw, 1.6rem) calc(1.5rem + env(safe-area-inset-bottom, 0px));
}
.essay-sheet .hd { display: flex; justify-content: space-between; align-items: baseline; }
.essay-sheet .x { background: none; border: 0; color: var(--muted); font: 0.68rem/1 ui-monospace, Consolas, monospace; letter-spacing: 0.1em; cursor: pointer; padding: 0.4rem 0; }
.essay-sheet .essay-toc { margin-top: 1.6rem; }
.essay-sheet .essay-toc a {
  position: relative;
  grid-template-columns: 1.8rem 1fr auto;
  gap: 0.6rem;
  padding-block: 0.66rem;
  color: var(--muted);
}
.essay-sheet .essay-toc a::before {
  content: "";
  position: absolute;
  left: -0.8rem;
  top: 0.55rem;
  bottom: 0.55rem;
  width: 2px;
  background: transparent;
}
.essay-sheet .essay-toc a.is-active {
  color: var(--paper);
}
.essay-sheet .essay-toc a.is-active::before {
  background: var(--accent);
}
.essay-sheet .essay-toc a.is-active .tn,
.essay-sheet .essay-toc a.is-active .tm {
  color: var(--accent);
}

@media (max-width: 32rem) {
  .essay-sheet {
    width: min(88vw, 24rem);
  }
}