:root{
  --bg:#f3f2ef;--panel:#fff;--ink:#1c1c1a;--mute:#6b6a65;--line:#dedcd6;--soft:#ebe9e4;
  --accent:#1c1c1a;--accent-ink:#fff;--danger:#b3261e;--ok:#2f6b3f;--shadow:0 1px 2px rgba(0,0,0,.06),0 8px 28px rgba(0,0,0,.08);
  --r:12px;--nav-h:56px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#171715;--panel:#222220;--ink:#efede8;--mute:#a09d96;--line:#38372f;--soft:#2c2b27;
  --accent:#efede8;--accent-ink:#171715;--danger:#ff8a80;--ok:#7bc58f;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 28px rgba(0,0,0,.4);
  color-scheme:dark;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 "Hanken Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
h1{font-size:24px;line-height:1.2;margin:0;font-weight:650;letter-spacing:-.01em}
h2{font-size:17px;margin:0;font-weight:620}
h3{font-size:13px;margin:18px 0 8px;font-weight:620}
p{margin:0 0 12px}
a{color:inherit}
img{display:block;max-width:100%}
.muted{color:var(--mute)}.small{font-size:13px}
.error{color:var(--danger);margin:0}
.hide-sm{display:inline}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px}
.ico{flex:none}
.center{min-height:100vh;display:grid;place-items:center}

/* Düğmeler ve form alanları */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);font:inherit;font-weight:560;cursor:pointer;text-decoration:none;transition:background .12s,border-color .12s}
.btn:hover{border-color:var(--mute)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.small{min-height:36px;padding:0 12px;font-size:14px;border-radius:9px}
.btn.ghost{background:none;border-color:transparent}
.btn.light{background:#fff;color:#1c1c1a;border-color:#fff;min-height:40px}
.icon-btn{display:inline-grid;place-items:center;width:40px;height:40px;border:0;border-radius:10px;background:none;color:inherit;cursor:pointer}
.icon-btn:hover{background:var(--soft)}
.icon-btn.danger:hover{color:var(--danger)}
label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:560}
label small{font-weight:400}
input,select{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:10px;min-height:46px;padding:0 12px;width:100%}
input[type=range]{padding:0;min-height:32px;accent-color:var(--accent);border:0;background:none}
input[type=search]{-webkit-appearance:none;appearance:none}
.form{display:flex;flex-direction:column;gap:16px;margin-top:16px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-top:20px}
.panel .form{margin-top:12px}
.row{display:flex;gap:8px;margin-top:10px}

/* Giriş */
.login{min-height:100vh;display:grid;place-items:center;padding:20px}
.login-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px 24px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow)}
.login-card p{margin:-8px 0 0}

/* Kabuk */
.shell{min-height:100vh;padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px))}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;height:var(--nav-h);padding:0 16px;padding-top:env(safe-area-inset-top,0px);background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{font-weight:700;font-size:18px;text-decoration:none;letter-spacing:-.01em;margin-right:auto}
.topnav{display:none;gap:4px}
.topnav a{padding:8px 14px;border-radius:9px;text-decoration:none;font-weight:560;color:var(--mute)}
.topnav a:hover{background:var(--soft);color:var(--ink)}
.topnav a[aria-current=page]{background:var(--ink);color:var(--bg)}
.bottomnav{position:fixed;left:0;right:0;bottom:0;z-index:20;display:grid;grid-template-columns:repeat(4,1fr);background:var(--panel);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
.bottomnav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;height:var(--nav-h);font-size:11.5px;font-weight:560;text-decoration:none;color:var(--mute)}
.bottomnav a[aria-current=page]{color:var(--ink)}
.main{padding:20px 16px 32px;max-width:1240px;margin:0 auto}
.page-head{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.page.narrow{max-width:560px;margin:0 auto}
.search{position:relative;display:block;max-width:420px}
.search .ico{position:absolute;left:12px;top:14px;color:var(--mute);pointer-events:none}
.search input{padding-left:38px}

/* Kitaplık galerisi */
.group{margin-bottom:32px}
.group-head{display:flex;align-items:baseline;gap:12px;margin-bottom:12px}
.sku{font-size:20px;font-weight:700;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.sku.none{color:var(--mute);font-weight:600}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.thumb{position:relative;display:block;width:100%;aspect-ratio:3/4;border:0;padding:0;background:var(--soft);cursor:pointer;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb.pdf{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--mute);text-decoration:none;font-weight:650}
.badge{position:absolute;left:8px;bottom:8px;background:rgba(20,20,18,.78);color:#fff;font-size:12px;font-weight:600;padding:3px 9px;border-radius:99px}
.card-body{padding:10px 12px 12px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-name{font-weight:580;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.strip{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.mini{position:relative;width:38px;height:50px;border:1px solid var(--line);border-radius:6px;padding:0;overflow:hidden;background:var(--soft);cursor:pointer}
.mini img{width:100%;height:100%;object-fit:cover}
.mini i{position:absolute;right:2px;bottom:2px;width:9px;height:9px;border-radius:50%;border:1.5px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.25)}
.card-actions{display:flex;flex-direction:column;gap:4px;margin-top:auto;padding-top:6px}
.card-actions .btn{width:100%;white-space:nowrap}
.tools{display:flex;justify-content:flex-end;gap:2px}
.card-actions .icon-btn{width:36px;height:36px}
.empty{padding:48px 0;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}

/* Yükleme */
.drop{border:1.5px dashed var(--line);border-radius:var(--r);padding:28px 16px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;background:var(--panel);transition:border-color .12s,background .12s}
.drop.over{border-color:var(--ink);background:var(--soft)}
.drop .ico{color:var(--mute)}
.drop-prev{max-height:220px;border-radius:8px;box-shadow:var(--shadow)}
.filelist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.filelist li{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px}
.filelist img,.pdfbox{width:44px;height:56px;object-fit:cover;border-radius:6px;background:var(--soft);display:grid;place-items:center;color:var(--mute);flex:none}
.fname{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar{height:6px;border-radius:99px;background:var(--soft);overflow:hidden}
.bar i{display:block;height:100%;background:var(--ink);transition:width .15s}
.userlist{list-style:none;margin:12px 0 0;padding:0}
.userlist li{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}

/* Çip / segment */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 14px 0 10px;border:1px solid var(--line);border-radius:99px;background:var(--panel);color:var(--ink);font:inherit;font-weight:540;cursor:pointer}
.chip i{width:18px;height:18px;border-radius:50%;border:1px solid rgba(0,0,0,.25)}
.chip[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.chip[aria-pressed=true] i{border-color:rgba(255,255,255,.7)}
.seg{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}
.seg button{flex:1;min-height:42px;border:0;background:none;color:var(--ink);font:inherit;font-weight:560;cursor:pointer}
.seg button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink)}

/* Mockup penceresi */
.modal{position:fixed;inset:0;z-index:40;background:rgba(15,15,13,.55);display:flex;align-items:stretch;justify-content:center}
.modal-card{display:flex;flex-direction:column;width:100%;background:var(--bg);min-height:0}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 12px 12px 16px;padding-top:calc(12px + env(safe-area-inset-top,0px));border-bottom:1px solid var(--line);background:var(--panel)}
.modal-head p{margin:0}
.modal-body{flex:1;overflow:auto;-webkit-overflow-scrolling:touch;padding:16px;display:flex;flex-direction:column;gap:20px}
.controls h3:first-child{margin-top:0}
.previews{min-width:0;flex:1}
.prev-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.prev{margin:0;display:flex;flex-direction:column;gap:8px}
.prev canvas{width:100%;height:auto;aspect-ratio:1020/1541;border-radius:6px;background:var(--soft);box-shadow:var(--shadow);cursor:zoom-in;display:block}
.prev figcaption{display:flex;align-items:center;justify-content:space-between;gap:8px;font-weight:560}
.prev figcaption>span{display:flex;flex-direction:column;line-height:1.25}
.saved{display:inline-flex;align-items:center;gap:3px;color:var(--ok);font-size:12px;font-style:normal;font-weight:600}
.modal-foot{display:flex;gap:8px;padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));background:var(--panel);border-top:1px solid var(--line)}
.modal-foot .btn{flex:1}
.skeleton-note{display:flex;align-items:center;gap:10px;color:var(--mute);padding:24px 0}

/* Büyük görüntüleyici */
.viewer{position:fixed;inset:0;z-index:60;background:rgba(10,10,9,.92);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:16px}
.viewer img{max-height:calc(100vh - 110px);max-height:calc(100dvh - 110px);max-width:100%;object-fit:contain;border-radius:4px}
.viewer-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;color:#fff}
.viewer-title{font-weight:600;margin-right:8px}

/* Bildirim ve yükleniyor */
.toasts{position:fixed;left:12px;right:12px;bottom:calc(var(--nav-h) + 16px + env(safe-area-inset-bottom,0px));z-index:80;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}
.toast{pointer-events:auto;max-width:460px;background:var(--ink);color:var(--bg);padding:11px 16px;border-radius:10px;font-weight:540;box-shadow:var(--shadow)}
.toast.error{background:var(--danger);color:#fff}
.spin-wrap{display:flex;align-items:center;gap:10px;color:var(--mute);padding:24px 0;justify-content:center}
.spin{width:18px;height:18px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--ink);animation:sp .8s linear infinite;display:inline-block}
@keyframes sp{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spin{animation-duration:2.4s}*{transition:none!important}}

/* Tablet / masaüstü */
@media (min-width:720px){
  :root{--nav-h:60px}
  .shell{padding-bottom:0}
  .topnav{display:flex}
  .bottomnav{display:none}
  .main{padding:28px 24px 48px}
  .page-head{flex-direction:row;align-items:center;justify-content:space-between}
  .grid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px}
  .toasts{bottom:24px}
  .modal{align-items:center;padding:24px}
  .modal-card{max-width:1180px;max-height:100%;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
  .modal-body{flex-direction:row;align-items:flex-start;padding:20px;gap:24px}
  .controls{width:260px;flex:none;position:sticky;top:0}
  .prev-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
  .modal-foot{justify-content:flex-end}
  .modal-foot .btn{flex:none}
}
@media (max-width:719px){
  .hide-sm{display:none}
  .modal-body{padding:12px 16px;gap:14px}
  .controls h3{margin:12px 0 6px}
  .controls .row{display:none}
  .chips{flex-wrap:nowrap;overflow-x:auto;margin:0 -16px;padding:2px 16px 6px;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:none;min-height:38px}
  .seg button{min-height:38px}
}

/* Ayrı görsel / PDF bölümleri */
.sub{font-size:13px;color:var(--mute);font-weight:620;margin:16px 0 8px}
.pdflist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.pdfrow{display:flex;align-items:center;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:6px 6px 6px 8px}
.pdfrow-main{flex:1;min-width:0;display:flex;align-items:center;gap:12px;text-decoration:none}
.pdfrow .icon-btn{width:38px;height:38px;color:inherit;text-decoration:none}
fieldset.block{border:0;padding:0;margin:0;min-width:0;display:flex;flex-direction:column;gap:10px}
fieldset.block legend{font-size:14px;font-weight:600;padding:0;margin-bottom:8px}
.drop.compact{flex-direction:row;padding:10px 12px;gap:12px;text-align:left}
.drop.compact .drop-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.drop.compact .drop-text strong{display:block;overflow:hidden;text-overflow:ellipsis}
.drop-thumb{width:44px;height:56px;object-fit:cover;border-radius:6px;flex:none}

/* Hızlı mockup */
.quick-top{display:flex;flex-direction:column;gap:14px;margin:16px 0 20px;max-width:560px}
.fn-hint{font-weight:400;font-size:12px;word-break:break-all}

/* Ortak mockup ekranı (pencere içinde ve sayfada) */
.studio{display:flex;flex-direction:column;flex:1;min-height:0}
.studio .modal-body{flex:1}
.studio.inline{flex:none}
.studio.inline .modal-body{overflow:visible;padding:0}
.studio.inline .modal-foot{position:sticky;bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px));border:1px solid var(--line);border-radius:12px;margin-top:20px;padding:12px}
@media (min-width:720px){.studio.inline .modal-foot{bottom:12px}}