.viewer-govde {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--ink-900);
}

.viewer {
  display: grid;
  grid-template-rows: 56px 1fr;
  height: 100vh;
  position: relative;
}

/* ---- Araç çubuğu ---- */

.viewer-arac {
  display: flex;
  align-items: center;
  gap: var(--u3);
  padding-inline: var(--u4);
  background: var(--ink-900);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .82);
  position: relative;
  z-index: 20;
}

.viewer-arac .ayirac {
  width: 1px;
  height: 22px;
  background: rgba(255, 255, 255, .12);
}

.arac-grup {
  display: flex;
  align-items: center;
  gap: 4px;
}

.viewer-baslik {
  min-width: 0;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.viewer-baslik strong {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-baslik span {
  font-family: var(--font-kunye);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.varac-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 34px;
  height: 34px;
  padding-inline: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: rgba(255, 255, 255, .82);
  font-family: var(--font-govde);
  font-size: 14px;
  cursor: pointer;
  transition: background var(--gecis), color var(--gecis);
  text-decoration: none;
}

.varac-btn:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  text-decoration: none;
}

.varac-btn[aria-pressed="true"] {
  background: rgba(222, 91, 21, .22);
  color: #fff;
}

.varac-btn:disabled {
  opacity: .35;
  cursor: not-allowed;
}

.viewer .tema-dugmesi {
  color: rgba(255, 255, 255, .82);
}

.viewer .tema-dugmesi:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
}

.zoom-secim {
  width: auto;
  min-width: 132px;
  padding: 5px 8px;
  font-family: var(--font-kunye);
  font-size: 12px;
  color: #fff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  color-scheme: dark;
}

.zoom-secim:focus {
  border-color: var(--brand-500);
  box-shadow: none;
  outline: none;
}

.sayfa-gostergesi {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-kunye);
  font-size: 12px;
  color: rgba(255, 255, 255, .7);
}

.sayfa-gostergesi input {
  width: 46px;
  padding: 4px 6px;
  text-align: center;
  font-family: var(--font-kunye);
  font-size: 12px;
  color: #fff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 6px;
}

.sayfa-gostergesi input:focus {
  border-color: var(--brand-500);
  box-shadow: none;
  outline: none;
}

.viewer-sag {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--u2);
}

/* ---- Arama kutusu ---- */

.viewer-arama {
  position: absolute;
  top: 56px;
  right: var(--u4);
  display: none;
  align-items: center;
  gap: var(--u2);
  padding: 10px 12px;
  background: var(--ink-800);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 0 0 var(--r-buton) var(--r-buton);
  box-shadow: var(--golge-yukseltilmis);
  z-index: 30;
}

.viewer-arama.acik {
  display: flex;
}

.viewer-arama input {
  width: 200px;
  padding: 6px 10px;
  font-size: 14px;
  color: #fff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 6px;
}

.viewer-arama input::placeholder {
  color: rgba(255, 255, 255, .4);
}

.arama-sayaci {
  font-family: var(--font-kunye);
  font-size: 11px;
  color: rgba(255, 255, 255, .6);
  min-width: 56px;
  text-align: center;
}

/* ---- Gövde ---- */

.viewer-ic {
  display: grid;
  grid-template-columns: 0 1fr;
  min-height: 0;
  transition: grid-template-columns 160ms ease;
}

.viewer-ic.kenar-acik {
  grid-template-columns: 200px 1fr;
}

.yan-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--ink-800);
  border-right: 1px solid rgba(255, 255, 255, .08);
  overflow: hidden;
}

.viewer-ic:not(.kenar-acik) .yan-panel {
  display: none;
}

.yan-sekmeler {
  display: flex;
  gap: 2px;
  padding: var(--u3) var(--u3) 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.yan-sekme {
  flex: 1;
  padding: 8px 6px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: rgba(255, 255, 255, .55);
  font-family: var(--font-kunye);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
}

.yan-sekme:hover {
  color: #fff;
}

.yan-sekme[aria-selected="true"] {
  color: #fff;
  border-bottom-color: var(--brand-600);
}

.kucukresim-serit {
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--u3);
  display: flex;
  flex-direction: column;
  gap: var(--u3);
  flex: 1;
}

.kucukresim-serit[hidden] {
  display: none;
}

.kucukresim {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.kucukresim canvas,
.kucukresim .iskele {
  width: 100%;
  border-radius: 4px;
  border: 2px solid transparent;
  background: #fff;
  box-shadow: 0 4px 14px -8px rgba(0, 0, 0, .8);
}

.kucukresim .iskele {
  aspect-ratio: 1 / 1.414;
  background: rgba(255, 255, 255, .12);
}

.kucukresim span {
  font-family: var(--font-kunye);
  font-size: 10px;
  color: rgba(255, 255, 255, .5);
}

.kucukresim[aria-current="true"] canvas,
.kucukresim[aria-current="true"] .iskele {
  border-color: var(--brand-600);
}

.kucukresim[aria-current="true"] span {
  color: #fff;
}

/* ---- İçindekiler ---- */

.icindekiler {
  flex: 1;
  overflow-y: auto;
  padding: var(--u3);
}

.icindekiler[hidden] {
  display: none;
}

.icindekiler-liste {
  list-style: none;
  margin: 0;
  padding: 0;
}

.icindekiler-liste .icindekiler-liste {
  padding-left: var(--u3);
  border-left: 1px solid rgba(255, 255, 255, .1);
  margin-left: 6px;
}

.icindekiler-baglanti {
  display: block;
  width: 100%;
  padding: 6px 8px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: rgba(255, 255, 255, .74);
  font-size: 13px;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.icindekiler-baglanti:hover {
  background: rgba(255, 255, 255, .08);
  color: #fff;
}

.icindekiler-baglanti[aria-current="true"] {
  background: rgba(222, 91, 21, .2);
  color: #fff;
}

.icindekiler-baglanti:disabled {
  opacity: .45;
  cursor: default;
}

/* ---- Sayfa alanı ---- */

.sayfa-alani {
  position: relative;
  overflow: auto;
  background: #2A3540;
  padding: var(--u5) var(--u4) var(--u10);
  touch-action: pan-x pan-y pinch-zoom;
}

.sayfa-listesi {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--u4);
  margin: 0 auto;
  width: fit-content;
}

/* Çift sayfa: tek numaralı sayfalar sağ sütunda, kapak tek başına kalır */
.sayfa-listesi.cift-sayfa {
  display: grid;
  grid-template-columns: auto auto;
  align-items: start;
  gap: var(--u4) var(--u2);
}

.sayfa-listesi.cift-sayfa .pdf-sayfa:nth-child(odd) {
  grid-column: 2;
}

.sayfa-listesi.cift-sayfa .pdf-sayfa:nth-child(even) {
  grid-column: 1;
}

.pdf-sayfa {
  position: relative;
  background: #fff;
  box-shadow: 0 4px 24px -8px rgba(0, 0, 0, .6);
  border-radius: 2px;
  overflow: hidden;
}

.pdf-sayfa canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.gece-filtresi .pdf-sayfa canvas {
  filter: invert(1) hue-rotate(180deg);
}

.pdf-sayfa .iskele-icerik {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, #f4f6f8 30%, #eaeef2 45%, #f4f6f8 60%);
  background-size: 300% 100%;
  animation: iskele-akis 1.4s linear infinite;
}

@keyframes iskele-akis {
  from { background-position: 100% 0; }
  to { background-position: -100% 0; }
}

.pdf-sayfa .textLayer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  line-height: 1;
  opacity: 1;
  forced-color-adjust: none;
  transform-origin: 0 0;
  z-index: 2;
}

.pdf-sayfa .textLayer span,
.pdf-sayfa .textLayer br {
  color: transparent;
  position: absolute;
  white-space: pre;
  cursor: text;
  transform-origin: 0% 0%;
}

.pdf-sayfa .textLayer .vurgu {
  background: rgba(242, 194, 48, .5);
  border-radius: 2px;
  color: transparent;
}

.pdf-sayfa .textLayer .vurgu.etkin {
  background: rgba(222, 91, 21, .55);
}

.pdf-sayfa .textLayer ::selection {
  background: rgba(44, 135, 166, .35);
}

.pdf-sayfa .annotationLayer {
  position: absolute;
  inset: 0;
  z-index: 3;
  transform-origin: 0 0;
}

.pdf-sayfa .annotationLayer section {
  position: absolute;
}

.pdf-sayfa .annotationLayer a {
  display: block;
  width: 100%;
  height: 100%;
}

.sayfa-numarasi {
  position: absolute;
  right: 8px;
  bottom: 8px;
  z-index: 4;
  padding: 2px 8px;
  border-radius: var(--r-rozet);
  background: rgba(11, 29, 42, .62);
  color: #fff;
  font-family: var(--font-kunye);
  font-size: 10px;
  letter-spacing: .06em;
  pointer-events: none;
}

/* ---- İlerleme çubukları ---- */

.yukleme-cubugu,
.okuma-cubugu {
  position: absolute;
  top: 56px;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 40;
  pointer-events: none;
}

.yukleme-cubugu span,
.okuma-cubugu span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--brand-600);
  transition: width 140ms ease;
}

.okuma-cubugu span {
  background: var(--accent-500);
  opacity: .85;
}

.yukleme-cubugu.bitti {
  opacity: 0;
  transition: opacity 300ms ease;
}

/* ---- Kaldığın yerden devam çipi ---- */

.devam-cipi {
  position: sticky;
  top: 0;
  z-index: 12;
  display: flex;
  align-items: center;
  gap: var(--u2);
  width: fit-content;
  margin: 0 auto var(--u4);
  padding: 6px 8px 6px 14px;
  background: var(--ink-800);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--r-rozet);
  box-shadow: var(--golge-yukseltilmis);
  color: rgba(255, 255, 255, .86);
  font-size: 13px;
}

.devam-cipi[hidden] {
  display: none;
}

.devam-cipi .varac-btn {
  height: 28px;
  font-size: 13px;
}

/* ---- Hata durumu ---- */

.viewer-hata {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--u4);
  height: 100%;
  padding: var(--u10);
  text-align: center;
  color: rgba(255, 255, 255, .8);
}

.viewer-hata.acik {
  display: flex;
}

.viewer-hata i {
  font-size: 38px;
  color: var(--brand-500);
}

.viewer-hata h3 {
  color: #fff;
  margin: 0;
}

.viewer-hata p {
  margin: 0;
  max-width: 44ch;
}

/* ---- Kısayol yardımı ---- */

.kisayol-listesi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--u3) var(--u6);
  margin: 0;
}

.kisayol-listesi > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--u3);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-soft);
}

.kisayol-listesi dt {
  display: flex;
  gap: 4px;
  align-items: center;
}

.kisayol-listesi dd {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  text-align: right;
}

kbd {
  display: inline-block;
  padding: 2px 7px;
  font-family: var(--font-kunye);
  font-size: 11px;
  color: var(--text);
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
}

.gizli-cerceve {
  position: absolute;
  width: 0;
  height: 0;
  border: 0;
  visibility: hidden;
}

/* ---- Sunum modu ---- */

.viewer.sunum-modu {
  grid-template-rows: 1fr;
  background: #000;
}

.viewer.sunum-modu .viewer-arac,
.viewer.sunum-modu .viewer-alt-arac,
.viewer.sunum-modu .yan-panel,
.viewer.sunum-modu .viewer-arama,
.viewer.sunum-modu .yukleme-cubugu,
.viewer.sunum-modu .okuma-cubugu,
.viewer.sunum-modu .devam-cipi {
  display: none;
}

.viewer.sunum-modu .viewer-ic {
  grid-template-columns: 1fr;
}

.viewer.sunum-modu .sayfa-alani {
  background: #000;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  scroll-snap-type: y mandatory;
  cursor: pointer;
}

.viewer.sunum-modu .sayfa-listesi {
  gap: 0;
}

.viewer.sunum-modu .pdf-sayfa {
  scroll-snap-align: center;
  border-radius: 0;
  box-shadow: none;
}

.viewer.sunum-modu .sayfa-numarasi {
  display: none;
}

.viewer.imlec-gizli,
.viewer.imlec-gizli .sayfa-alani {
  cursor: none;
}

.sunum-gosterge {
  position: fixed;
  right: var(--u6);
  bottom: var(--u5);
  z-index: 60;
  display: none;
  padding: 6px 14px;
  border-radius: var(--r-rozet);
  background: rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .9);
  font-family: var(--font-kunye);
  font-size: 12px;
  letter-spacing: .08em;
  pointer-events: none;
  transition: opacity 200ms ease;
}

.viewer.sunum-modu .sunum-gosterge {
  display: block;
}

.viewer.sunum-modu.imlec-gizli .sunum-gosterge {
  opacity: 0;
}

/* ---- Mobil ---- */

.viewer-alt-arac {
  display: none;
}

@media (max-width: 860px) {
  .viewer {
    grid-template-rows: 52px 1fr 60px;
  }

  .viewer-arac {
    padding-inline: var(--u3);
    gap: var(--u2);
  }

  .masaustu-arac {
    display: none;
  }

  .viewer-alt-arac {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: var(--u2);
    padding-inline: var(--u3);
    background: var(--ink-900);
    border-top: 1px solid rgba(255, 255, 255, .1);
  }

  .viewer-alt-arac .varac-btn {
    min-width: 44px;
    height: 44px;
  }

  .viewer-arac .varac-btn {
    min-width: 40px;
    height: 40px;
  }

  /* Yan panel mobilde tam ekran çekmece */
  .viewer-ic.kenar-acik {
    grid-template-columns: 1fr;
  }

  .viewer-ic.kenar-acik .yan-panel {
    position: fixed;
    inset: 52px 0 60px 0;
    z-index: 50;
    border-right: 0;
  }

  .sayfa-alani {
    padding: var(--u3) var(--u2) var(--u6);
  }

  .viewer-arama {
    left: var(--u3);
    right: var(--u3);
  }

  .viewer-arama input {
    flex: 1;
    width: auto;
  }

  .sayfa-listesi.cift-sayfa {
    display: flex;
  }

  .sunum-gosterge {
    right: var(--u4);
    bottom: var(--u4);
  }
}