:root { --paper:#f3f1e8; --surface:#faf8ef; --ink:#151a17; --muted:#666963; --faint:#8d8f87; --line:#cccdc4; --accent:#ff5c35; --acid:#c7f36b; }
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: #d7d8d1; color: var(--ink); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; overflow: hidden; }
button, input { font: inherit; }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.reader-header { height: 68px; padding: 0 clamp(14px,3vw,34px); background: var(--paper); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(160px,.7fr) minmax(220px,1fr) auto; align-items: center; gap: 22px; position: relative; z-index: 5; }
.back-link { display: inline-flex; align-items: center; gap: 12px; width: max-content; color: var(--ink); letter-spacing: .1em; text-transform: uppercase; font-size: 9px; font-weight: 800; text-decoration: none; }
.back-link i { width: 29px; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; font-size: 14px; font-style: normal; }
.reader-title { min-width: 0; text-align: center; }
.reader-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; font: 400 clamp(15px,1.8vw,21px)/1 Georgia,serif; }
.reader-title small { color: var(--faint); letter-spacing: .09em; text-transform: uppercase; font-size: 7px; font-weight: 800; }
.reader-tools { display: flex; align-items: center; gap: 7px; }
.tool-button { height: 36px; min-width: 36px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink); cursor: pointer; display: grid; place-items: center; font-size: 13px; }
.tool-button:hover { background: var(--acid); color: #172015; }
.page-control { height: 36px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); display: flex; align-items: center; padding: 0 11px; gap: 5px; color: var(--faint); font-size: 10px; }
.page-control input { width: 42px; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--ink); text-align: center; outline: 0; }
.reader-main { height: calc(100svh - 68px); display: grid; grid-template-rows: 1fr 54px; }
.reader-stage { overflow: auto; overscroll-behavior: contain; padding: clamp(20px,4vw,46px); display: grid; align-items: start; justify-items: center; position: relative; }
.page-wrap { min-height: 100%; display: grid; place-items: start center; }
.page-canvas { display: block; background: white; box-shadow: 0 13px 40px #0f131020; user-select: none; -webkit-user-select: none; }
.reader-loading { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); letter-spacing: .12em; text-transform: uppercase; font-size: 9px; font-weight: 800; pointer-events: none; }
.reader-loading[hidden] { display: none; }
.reader-footer { background: var(--paper); border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 clamp(14px,3vw,34px); gap: 20px; }
.reader-footer p { margin: 0; color: var(--faint); letter-spacing: .08em; text-transform: uppercase; font-size: 8px; font-weight: 700; }
.reader-footer p:last-child { text-align: right; }
.page-navigation { display: flex; align-items: center; gap: 8px; }
.nav-button { height: 34px; padding: 0 15px; border: 1px solid var(--ink); border-radius: 999px; background: transparent; color: var(--ink); cursor: pointer; letter-spacing: .08em; text-transform: uppercase; font-size: 8px; font-weight: 800; }
.nav-button:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
.nav-button:disabled { opacity: .3; cursor: default; }
.reader-error { max-width: 520px; margin: auto; color: var(--muted); text-align: center; }
@media (max-width: 760px) {
  .reader-header { height: 112px; grid-template-columns: 1fr auto; grid-template-rows: 56px 44px; gap: 0 12px; }
  .reader-title { grid-column: 1 / -1; grid-row: 1; padding-inline: 42px; }
  .back-link { grid-column: 1; grid-row: 2; }
  .reader-tools { grid-column: 2; grid-row: 2; }
  .back-link span, .fullscreen-button { display: none; }
  .reader-main { height: calc(100svh - 112px); grid-template-rows: 1fr 52px; }
  .reader-stage { padding: 16px; }
  .reader-footer { grid-template-columns: 1fr auto; }
  .reader-footer p:first-child, .reader-footer p:last-child { display: none; }
}
@media print { body { display: none !important; } }