:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #20242d;
  --line: #2c313c;
  --text: #e8eaef;
  --muted: #9aa1ad;
  --accent: #5b8cff;
  --accent-2: #ff8a5b;
  --danger: #ff6b6b;
  --radius: 10px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
a { color: inherit; }

.brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; letter-spacing: .2px; text-decoration: none; white-space: nowrap;
}
.logo {
  width: 20px; height: 20px; border-radius: 5px; flex: none;
  background: linear-gradient(90deg, var(--accent) 0 50%, var(--accent-2) 50% 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.15);
}

.btn {
  appearance: none; border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
  font: inherit; font-weight: 600; padding: 9px 16px; border-radius: 8px; cursor: pointer;
  transition: background .15s, border-color .15s, opacity .15s;
}
.btn:hover:not(:disabled) { border-color: #3d4452; background: #262b36; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover:not(:disabled) { background: #4a7bf0; border-color: #4a7bf0; }
.btn.icon { padding: 7px 11px; font-size: 17px; line-height: 1; }
.btn:focus-visible, .field:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Yükleme sayfası ---------- */
.top { padding: 18px 24px; }
.wrap { max-width: 860px; margin: 0 auto; padding: 8px 16px 64px; }
.wrap h1 { font-size: clamp(24px, 4vw, 34px); line-height: 1.2; margin: 24px 0 8px; }
.lead { color: var(--muted); margin: 0 0 24px; font-size: 16px; }

.drop {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  min-height: 170px; padding: 24px; text-align: center; cursor: pointer;
  border: 2px dashed var(--line); border-radius: var(--radius); background: var(--panel);
  transition: border-color .15s, background .15s;
}
.drop:hover, .drop.over { border-color: var(--accent); background: #1b2030; }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.drop strong { font-size: 17px; }
.drop span { color: var(--muted); }

.field {
  width: 100%; margin-top: 16px; padding: 11px 14px; font: inherit; color: var(--text);
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
}

.list {
  list-style: none; padding: 0; margin: 16px 0 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px;
}
.item {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
}
.item .thumb {
  aspect-ratio: 4 / 3; background: #0b0d10 center / contain no-repeat; position: relative;
}
.item .num {
  position: absolute; top: 6px; left: 6px; min-width: 22px; height: 22px; padding: 0 6px;
  display: grid; place-items: center; font-size: 12px; font-weight: 700;
  background: rgba(0,0,0,.65); border-radius: 6px;
}
.item .name {
  margin: 8px 8px 0; padding: 6px 8px; font: inherit; font-size: 14px; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; min-width: 0;
}
.item .meta { color: var(--muted); font-size: 12px; padding: 4px 10px 0; }
.item .tools { display: flex; gap: 4px; padding: 8px; }
.item .tools button {
  flex: 1; appearance: none; background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  border-radius: 6px; padding: 4px 0; cursor: pointer; font: inherit;
}
.item .tools button:hover:not(:disabled) { border-color: #3d4452; }
.item .tools button:disabled { opacity: .35; cursor: default; }
.item .tools .del:hover { border-color: var(--danger); color: var(--danger); }

.actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; flex-wrap: wrap; }
.progress { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.progress .bar { flex: 1; height: 6px; background: var(--panel-2); border-radius: 3px; overflow: hidden; }
.progress i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .15s; }
.progress span { color: var(--muted); font-size: 13px; min-width: 42px; text-align: right; }
.msg { min-height: 1.5em; margin: 12px 0 0; color: var(--danger); }
.msg.ok { color: #7ddc9a; }
.fine { color: var(--muted); font-size: 13px; margin-top: 28px; }

/* ---------- Karşılaştırma ekranı ---------- */
#viewer { position: fixed; inset: 0; display: flex; flex-direction: column; }
.vbar {
  display: flex; align-items: center; gap: 16px; padding: 8px 12px;
  background: var(--panel); border-bottom: 1px solid var(--line); flex: none;
}
.vbar h1 {
  flex: 1; min-width: 0; margin: 0; font-size: 16px; font-weight: 700; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.vactions { display: flex; gap: 6px; }

.seg { display: flex; padding: 3px; gap: 2px; background: var(--bg); border: 1px solid var(--line); border-radius: 9px; flex: none; }
.seg button {
  appearance: none; border: 0; background: transparent; color: var(--muted); font: inherit; font-weight: 600; font-size: 14px;
  padding: 5px 12px; border-radius: 6px; cursor: pointer; display: flex; align-items: center; gap: 6px;
}
.seg button:hover { color: var(--text); }
.seg button.active { background: var(--panel-2); color: var(--text); box-shadow: 0 0 0 1px var(--line); }
.seg .ico { font-size: 16px; line-height: 1; }

#viewer:fullscreen { background: var(--bg); }
#viewer:-webkit-full-screen { background: var(--bg); }
#viewer:-webkit-full-screen { width: 100%; height: 100%; }

#stage {
  position: relative; flex: 1; overflow: hidden; background: #08090b;
  touch-action: none; user-select: none; -webkit-user-select: none; cursor: ew-resize; outline: none;
}
#stage.zoomed { cursor: grab; }
#stage.panning { cursor: grabbing; }
#stage.toggle { cursor: pointer; }
#stage.toggle #divider { display: none; }
#stage.toggle .picker select { transition: opacity .15s; }
#stage.toggle .picker:not(.active) select { opacity: .45; }
.flash {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none;
  background: rgba(15,17,21,.8); color: #fff; font-weight: 600; padding: 8px 14px; border-radius: 8px;
  opacity: 0; transition: opacity .25s; max-width: calc(100% - 32px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.flash.show { opacity: 1; transition: none; }
#frame { position: absolute; transform-origin: 0 0; will-change: transform; }
#frame img {
  position: absolute; inset: 0; width: 100%; height: 100%; display: block;
  pointer-events: none; -webkit-user-drag: none;
}
#frame.pixelated img { image-rendering: pixelated; }

#divider {
  position: absolute; top: 0; bottom: 0; width: 2px; margin-left: -1px;
  background: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.35); pointer-events: none;
}
#divider .handle {
  position: absolute; top: 50%; left: 50%; width: 38px; height: 38px; transform: translate(-50%, -50%);
  border-radius: 50%; background: #fff; color: #111; box-shadow: 0 2px 10px rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center; gap: 4px; font-weight: 700; font-size: 18px;
}

.picker { position: absolute; top: 12px; max-width: calc(50% - 24px); }
.picker.left { left: 12px; }
.picker.right { right: 12px; }
.picker select {
  appearance: none; -webkit-appearance: none; max-width: 100%;
  font: inherit; font-weight: 600; font-size: 14px; color: #fff; cursor: pointer;
  padding: 7px 30px 7px 12px; border-radius: 8px; border: 1px solid rgba(255,255,255,.18);
  background: rgba(15,17,21,.78) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23ccc'/%3E%3C/svg%3E") no-repeat right 11px center;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  text-overflow: ellipsis;
}
.picker.left select { border-left: 3px solid var(--accent); }
.picker.right select { border-right: 3px solid var(--accent-2); }
.picker select:disabled { cursor: default; background-image: none; padding-right: 12px; opacity: 1; }

.zoom-label, .v-status {
  position: absolute; left: 50%; transform: translateX(-50%); pointer-events: none;
  background: rgba(15,17,21,.78); border-radius: 8px; padding: 5px 10px; font-size: 13px; color: var(--muted);
}
.zoom-label { top: 14px; opacity: 0; transition: opacity .3s; }
.zoom-label.show { opacity: 1; }
.v-status { top: 50%; transform: translate(-50%, -50%); font-size: 15px; padding: 12px 18px; text-align: center; }
.v-status:empty { display: none; }
.v-status a { color: var(--accent); pointer-events: auto; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0;
  background: #fff; color: #111; font-weight: 600; padding: 10px 16px; border-radius: 8px;
  box-shadow: 0 6px 24px rgba(0,0,0,.4); transition: opacity .2s, transform .2s; pointer-events: none;
  max-width: calc(100% - 32px); z-index: 10;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.narrow { display: none; }

@media (max-width: 600px) {
  .narrow { display: inline; }
  .vbar { gap: 8px; }
  .vbar h1 { font-size: 14px; }
  .vactions { margin-left: auto; }
  .seg .lbl, .wide { display: none; }
  .vbar .btn { white-space: nowrap; }
  .vbar .btn:not(.icon) { padding: 8px 12px; }
  .vbar .btn.icon { padding: 7px 9px; }
  .seg button { padding: 5px 9px; }
  .picker select { font-size: 13px; padding: 6px 26px 6px 10px; }
  .list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Dil seçici ---------- */
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.lang {
  appearance: none; -webkit-appearance: none; max-width: 170px;
  font: inherit; font-size: 14px; color: var(--text); cursor: pointer;
  padding: 7px 28px 7px 10px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23aaa'/%3E%3C/svg%3E") no-repeat right 10px center;
}
[dir="rtl"] .lang { background-position: left 10px center; padding-left: 28px; padding-right: 10px; }

/* Resimler fiziksel olarak sol/sağ: sağdan sola dillerde de sahne yönü değişmesin */
#stage { direction: ltr; }

/* ---------- Alt bilgi ve geri bildirim ---------- */
.top-right { display: flex; align-items: center; gap: 10px; }
.gh { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; color: var(--muted); }
.gh:hover { color: var(--text); background: var(--panel-2); }
.foot {
  max-width: 860px; margin: 0 auto; padding: 20px 16px 40px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: center; font-size: 14px;
}
.foot a, .linkbtn {
  color: var(--muted); text-decoration: none; background: none; border: 0; padding: 0; font: inherit; cursor: pointer;
}
.foot a:hover, .linkbtn:hover { color: var(--text); }
.heart { color: #ff6b9a; }

.dialog {
  width: min(520px, calc(100% - 32px)); padding: 24px; border-radius: 14px;
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.dialog::backdrop { background: rgba(0,0,0,.6); }
.dialog h2 { margin: 0 0 6px; font-size: 20px; }
.dialog .muted { color: var(--muted); margin: 0 0 4px; }
.dialog textarea { resize: vertical; min-height: 120px; }
.dialog .field { margin-top: 12px; }
.dialog .actions { margin-top: 12px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ---------- Hakkında ve changelog ---------- */
.about { margin-top: 40px; padding: 20px 22px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.about h2 { margin: 0 0 8px; font-size: 18px; }
.about p { margin: 8px 0 0; color: #c4c9d2; line-height: 1.65; }
#version { font-variant-numeric: tabular-nums; }

.changelog h1 { font-size: 28px; margin: 16px 0 8px; }
.changelog h2 { font-size: 19px; margin: 32px 0 6px; padding-top: 20px; border-top: 1px solid var(--line); }
.changelog p { color: #c4c9d2; }
.changelog ul { padding-left: 20px; color: #c4c9d2; }
.changelog li { margin: 4px 0; }
.changelog code { background: var(--panel-2); padding: 1px 6px; border-radius: 4px; font-size: 13px; }
.changelog a { color: var(--accent); }
.fine.retention { margin-top: 6px; }
.fb-alt { margin: 4px 0 0; font-size: 14px; }
.fb-alt a { color: var(--accent); }

/* ---------- İpucu ve açıklama balonları ---------- */
.hint {
  position: absolute; left: 50%; top: 60px; transform: translate(-50%, -8px); pointer-events: none;
  display: flex; flex-direction: column; align-items: center; gap: 2px; text-align: center;
  background: rgba(15,17,21,.88); color: #fff; font-size: 14px;
  padding: 9px 16px; border-radius: 12px; border: 1px solid rgba(255,255,255,.15);
  box-shadow: 0 4px 18px rgba(0,0,0,.4); width: max-content; max-width: calc(100% - 32px);
  opacity: 0; transition: opacity .3s, transform .3s;
}
.hint strong { font-weight: 700; }
.hint span { color: #b9bfca; font-size: 13px; }
.hint.show { opacity: 1; transform: translate(-50%, 0); }

[data-tip] { position: relative; }
[data-tip]::after {
  content: attr(data-tip); position: absolute; top: calc(100% + 10px); left: 50%; transform: translate(-50%, -4px);
  width: max-content; max-width: 260px; white-space: normal; text-align: left; z-index: 20;
  background: #fff; color: #111; font-size: 13px; font-weight: 500; line-height: 1.4;
  padding: 8px 11px; border-radius: 8px; box-shadow: 0 6px 24px rgba(0,0,0,.45);
  opacity: 0; pointer-events: none; transition: opacity .15s, transform .15s;
}
[data-tip]:hover::after, [data-tip]:focus-visible::after { opacity: 1; transform: translate(-50%, 0); transition-delay: .25s; }
@media (hover: none) { [data-tip]::after { display: none; } }