:root{--bg:#24272d;--bar:#16181c;--fg:#ececee;--muted:#9aa0a8;--accent:#e6a93c;--panel:#1c1f24;--line:#30343b}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);font:14px/1.4 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;overflow:hidden}
button{font:inherit}
[hidden]{display:none!important}
#app{position:fixed;inset:0;display:flex;flex-direction:column;background:var(--bg)}

/* Üst çubuk */
.ek-bar{height:52px;flex:0 0 52px;display:flex;align-items:center;gap:8px;padding:0 10px;background:var(--bar);border-bottom:1px solid var(--line);z-index:5}
.ek-bar .ek-title{flex:1 1 0;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600;font-size:15px}
.ek-bar .ek-nav{display:flex;align-items:center;gap:2px}
.ek-bar .ek-tools{flex:1 1 0;display:flex;justify-content:flex-end;gap:2px}
.ek-btn{width:38px;height:38px;border:0;border-radius:8px;background:transparent;color:var(--fg);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;text-decoration:none;flex:0 0 auto}
.ek-btn:hover{background:#2c3037}
.ek-btn.ek-active{background:#353a42;color:var(--accent)}
.ek-btn:disabled{opacity:.3;cursor:default;background:transparent}
.ek-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ek-pageinfo{display:flex;align-items:center;gap:6px;color:var(--muted);white-space:nowrap;margin:0 4px}
.ek-pageinfo input{width:70px;height:32px;border:1px solid var(--line);border-radius:6px;background:#0f1114;color:var(--fg);text-align:center;font:inherit}
.ek-pageinfo input:focus{outline:none;border-color:var(--accent)}

/* Sahne */
.ek-main{flex:1;display:flex;min-height:0;position:relative;overflow:hidden}
#stage{flex:1;position:relative;display:flex;align-items:center;justify-content:center;min-width:0;padding:18px}
#bookWrap{position:relative}
#book .ek-page{background:#fff}
#book .ek-page-inner{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#fff;overflow:hidden}
#book .ek-page-inner canvas{position:static;display:block;width:auto;height:auto;max-width:100%;max-height:100%}
#book .ek-page-inner::after{content:"";position:absolute;left:50%;top:50%;width:30px;height:30px;margin:-15px 0 0 -15px;border:3px solid #ddd;border-top-color:#999;border-radius:50%;animation:spin 1s linear infinite}
#book .ek-page-inner.ek-ready::after{display:none}
@keyframes spin{to{transform:rotate(360deg)}}
.ek-side-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:88px;border:0;border-radius:10px;background:rgba(255,255,255,.06);color:var(--fg);cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2}
.ek-side-arrow:hover{background:rgba(255,255,255,.14)}
.ek-side-arrow:disabled{opacity:0;pointer-events:none}
.ek-side-arrow svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#sidePrev{left:8px}#sideNext{right:8px}

/* Paneller */
.ek-panel{position:absolute;top:0;bottom:0;background:var(--panel);z-index:4;display:flex;flex-direction:column;transition:transform .22s ease;box-shadow:0 0 24px rgba(0,0,0,.45)}
#thumbPanel{left:0;width:190px;transform:translateX(-105%);border-right:1px solid var(--line)}
#searchPanel{right:0;width:min(340px,100%);transform:translateX(105%);border-left:1px solid var(--line)}
#thumbPanel.ek-open,#searchPanel.ek-open{transform:none}
.ek-panel-head{display:flex;align-items:center;justify-content:space-between;padding:8px 8px 8px 14px;border-bottom:1px solid var(--line);font-weight:600}
#thumbList{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:12px}
.ek-thumb{flex:0 0 auto;width:100%;border:2px solid transparent;border-radius:6px;background:transparent;color:var(--muted);padding:4px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px}
.ek-thumb:hover{border-color:#444a53}
.ek-thumb.ek-active{border-color:var(--accent);color:var(--fg)}
.ek-thumb .ek-tbox{position:relative;display:block;width:100%;height:0;background:#fff;overflow:hidden}
#app .ek-thumb .ek-tbox canvas{position:absolute;left:0;top:0;display:block;width:100%;height:100%;max-width:none}
.ek-search-form{display:flex;gap:6px;padding:12px}
.ek-search-form input{flex:1;min-width:0;height:36px;border:1px solid var(--line);border-radius:6px;background:#0f1114;color:var(--fg);padding:0 10px;font:inherit}
.ek-search-form input:focus{outline:none;border-color:var(--accent)}
.ek-search-form button{height:36px;border:0;border-radius:6px;background:var(--accent);color:#1a1a1a;font-weight:600;padding:0 14px;cursor:pointer}
#searchStatus{padding:0 14px 8px;color:var(--muted);font-size:13px}
#results{flex:1;overflow-y:auto;padding:0 8px 12px}
.ek-result{display:block;width:100%;text-align:left;border:0;border-radius:6px;background:transparent;color:var(--fg);padding:8px 10px;cursor:pointer}
.ek-result:hover{background:#2a2e35}
.ek-result b{color:var(--accent);font-size:12px;display:block;margin-bottom:2px}
.ek-result span{color:#c9ccd1;font-size:13px}
.ek-result mark{background:var(--accent);color:#111;border-radius:2px;padding:0 1px}

/* Yükleniyor / hata */
.ek-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;z-index:6;background:var(--bg);text-align:center;padding:24px}
.ek-progress{width:min(320px,80vw);height:6px;background:#3a3e46;border-radius:3px;overflow:hidden}
.ek-progress i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.ek-progress.ek-indeterminate i{width:35%;animation:indet 1.2s ease-in-out infinite}
@keyframes indet{0%{transform:translateX(-100%)}100%{transform:translateX(300%)}}
#errBox{color:#ffb4a8;max-width:560px}

/* Yakınlaştırma */
#zoom{position:fixed;inset:0;background:rgba(10,11,13,.96);z-index:20;display:flex;flex-direction:column}
#zoom .ek-bar{background:transparent;border-bottom:1px solid #2a2d33;justify-content:center}
#zoomLevel{min-width:56px;text-align:center;color:var(--muted)}
#zoomScroll{flex:1;overflow:auto;cursor:grab;-webkit-overflow-scrolling:touch}
#zoomScroll.ek-dragging{cursor:grabbing}
#zoomContent{display:flex;gap:8px;padding:20px;width:max-content;min-width:100%;min-height:100%;align-items:center;justify-content:center}
#zoomContent canvas{display:block;background:#fff;box-shadow:0 4px 30px rgba(0,0,0,.6)}

@media (max-width:700px){
  .ek-side-arrow,.ek-hide-sm{display:none!important}
  #stage{padding:8px}
  .ek-bar{gap:2px;padding:0 4px}
  .ek-pageinfo input{width:58px}
}

/* Site (master page) stillerinden korunma */
#app,#zoom{z-index:2147483000;text-align:left;letter-spacing:normal;text-transform:none}
#app *,#zoom *{box-sizing:border-box}
#app button,#zoom button,#app input,#zoom input{margin:0;box-shadow:none;text-shadow:none;text-transform:none;line-height:normal;min-width:0;min-height:0;float:none;outline-offset:0}
#app svg,#zoom svg{display:inline-block;vertical-align:middle;max-width:none}
#app canvas,#zoom canvas{max-width:none}
#book .ek-page-inner canvas{max-width:100%}
#app aside{float:none;margin:0}