:root {
  --bg: #0b0d12;
  --bg-2: #11141c;
  --surface: #161a24;
  --surface-2: #1d2230;
  --line: #262c3b;
  --line-soft: #1c2130;
  --text: #e8ecf5;
  --text-dim: #97a0b5;
  --text-faint: #6b7488;
  --accent: #5eb3ff;
  --accent-ink: #06213a;
  --danger: #ff6b6b;
  --radius: 12px;
  --radius-sm: 8px;
  --panel-w: 372px;
  --topbar-h: 56px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

.hidden { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

button, input, select, textarea { font: inherit; color: inherit; }

.app {
  display: grid;
  grid-template-columns: 1fr var(--panel-w);
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas:
    "top   top"
    "stage panel";
  height: 100dvh;
  width: 100vw;
}

/* ---------- Üst çubuk ---------- */
.topbar {
  grid-area: top;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 12px 0 16px;
  background: linear-gradient(180deg, #12161f, #0e1119);
  border-bottom: 1px solid var(--line);
  padding-top: env(safe-area-inset-top);
  height: calc(var(--topbar-h) + env(safe-area-inset-top));
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 9px; font-weight: 650; letter-spacing: 0.2px; }
.brand-mark {
  display: grid; place-items: center;
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #a77bff);
  color: #04121f; font-size: 15px;
}
.brand-name { font-size: 15px; }

.topbar-actions { display: flex; align-items: center; gap: 6px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 7px 12px;
  cursor: pointer;
  transition: background .14s, border-color .14s, transform .06s, opacity .14s;
  white-space: nowrap;
  user-select: none;
}
.btn:hover:not(:disabled) { background: var(--surface-2); border-color: #333c52; }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .35; cursor: default; }
.btn.icon { padding: 7px 10px; min-width: 36px; justify-content: center; font-size: 15px; }
.btn.ghost { background: transparent; }
.btn.primary {
  background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 620;
}
.btn.primary:hover { background: #7cc2ff; border-color: #7cc2ff; }
.btn.tiny { padding: 5px 10px; font-size: 13px; border-radius: 7px; }
.btn.active { border-color: var(--accent); color: var(--accent); }

/* ---------- Sahne ---------- */
.stage {
  grid-area: stage;
  position: relative;
  display: grid;
  place-items: center;
  padding: 22px;
  background:
    radial-gradient(1000px 600px at 50% 0%, #141926 0%, transparent 70%),
    var(--bg);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.canvas-wrap {
  position: relative;
  display: none;
  max-width: 100%;
  max-height: 100%;
  line-height: 0;
  border-radius: 6px;
  box-shadow: var(--shadow);
}
.canvas-wrap.ready { display: block; }
.canvas-wrap canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
  border-radius: 6px;
  touch-action: none;
}

.badge-compare {
  position: absolute;
  top: 10px; left: 10px;
  background: rgba(0,0,0,.66);
  border: 1px solid rgba(255,255,255,.18);
  color: #fff;
  font-size: 11px; letter-spacing: .12em; font-weight: 700;
  padding: 4px 9px; border-radius: 999px;
  line-height: 1.4;
  backdrop-filter: blur(6px);
}

.stage-hud {
  position: absolute;
  bottom: 10px; left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--text-faint);
  background: rgba(11,13,18,.7);
  border: 1px solid var(--line-soft);
  padding: 3px 12px;
  border-radius: 999px;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
}
.stage-hud.show { opacity: 1; }

.canvas-wrap.zoomed canvas { cursor: grab; }
.canvas-wrap.zoomed.grabbing canvas { cursor: grabbing; }

.zoom-reset {
  position: absolute;
  right: 14px;
  bottom: 14px;
  background: rgba(11,13,18,.82);
  border: 1px solid var(--line);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 13px;
  cursor: pointer;
  z-index: 5;
  backdrop-filter: blur(6px);
}
.zoom-reset:hover { color: var(--text); border-color: #333c52; }
.stage-hud .dot { margin: 0 6px; color: #3a4257; }

/* ---------- Bırakma alanı ---------- */
.dropzone {
  position: absolute;
  inset: 22px;
  display: grid;
  place-items: center;
  border: 1.5px dashed #2c3446;
  border-radius: 16px;
  background: rgba(18,22,32,.5);
  text-align: center;
  transition: border-color .16s, background .16s;
}
.dropzone.hidden { display: none; }
.dropzone.drag { border-color: var(--accent); background: rgba(94,179,255,.07); }
.dz-inner { max-width: 420px; padding: 24px; }
.dz-icon { font-size: 46px; margin-bottom: 8px; }
.dz-inner h2 { margin: 0 0 6px; font-size: 19px; font-weight: 620; }
.dz-inner p { margin: 4px 0; color: var(--text-dim); font-size: 14px; }
.dz-note { color: var(--text-faint) !important; font-size: 12.5px !important; margin-top: 14px !important; }
.link {
  background: none; border: none; padding: 0;
  color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 2px;
}
kbd {
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 5px; padding: 1px 5px; font-size: 12px; font-family: inherit;
}

/* ---------- Kırpma kaplaması ---------- */
.crop-overlay {
  position: absolute;
  inset: 0;
  touch-action: none;
  cursor: crosshair;
}
.crop-overlay.hidden { display: none; }

.crop-box {
  position: absolute;
  box-shadow: 0 0 0 9999px rgba(0,0,0,.6);
  outline: 1px solid rgba(255,255,255,.85);
  cursor: move;
}
.crop-grid { position: absolute; inset: 0; pointer-events: none; }
.crop-grid i {
  position: absolute;
  background: rgba(255,255,255,.28);
}
.crop-grid i:nth-child(1) { left: 33.333%; top: 0; bottom: 0; width: 1px; }
.crop-grid i:nth-child(2) { left: 66.666%; top: 0; bottom: 0; width: 1px; }
.crop-grid i:nth-child(3) { top: 33.333%; left: 0; right: 0; height: 1px; }
.crop-grid i:nth-child(4) { top: 66.666%; left: 0; right: 0; height: 1px; }

.crop-handle {
  position: absolute;
  width: 22px; height: 22px;
  touch-action: none;
}
.crop-handle::after {
  content: '';
  position: absolute;
  inset: 7px;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0,0,0,.45);
}
.h-nw { left: -11px; top: -11px; cursor: nwse-resize; }
.h-n  { left: 50%; top: -11px; margin-left: -11px; cursor: ns-resize; }
.h-ne { right: -11px; top: -11px; cursor: nesw-resize; }
.h-e  { right: -11px; top: 50%; margin-top: -11px; cursor: ew-resize; }
.h-se { right: -11px; bottom: -11px; cursor: nwse-resize; }
.h-s  { left: 50%; bottom: -11px; margin-left: -11px; cursor: ns-resize; }
.h-sw { left: -11px; bottom: -11px; cursor: nesw-resize; }
.h-w  { left: -11px; top: 50%; margin-top: -11px; cursor: ew-resize; }

/* ---------- Panel ---------- */
.panel {
  grid-area: panel;
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
  border-left: 1px solid var(--line);
  min-height: 0;
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  flex: 0 0 auto;
}
.tab {
  flex: 1;
  border: none;
  background: none;
  padding: 10px 4px 9px;
  font-size: 11.5px;
  color: var(--text-faint);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  border-bottom: 2px solid transparent;
  transition: color .14s, border-color .14s;
}
.tab span { font-size: 16px; line-height: 1; }
.tab:hover { color: var(--text-dim); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.panel-body {
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 14px 14px calc(20px + env(safe-area-inset-bottom));
  -webkit-overflow-scrolling: touch;
}

.tabpage { display: none; }
.tabpage.active { display: block; }

h3 {
  margin: 0 0 9px;
  font-size: 12px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 640;
}
.mt { margin-top: 20px; }
.hint { font-size: 12.5px; color: var(--text-faint); line-height: 1.5; margin: 10px 0 0; }

.row-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 9px; }
.row-between h3 { margin: 0; }

.mini-field { display: flex; align-items: center; gap: 7px; font-size: 11.5px; color: var(--text-faint); }
.mini-range { width: 84px; }
.mini-field output { min-width: 24px; text-align: right; color: var(--text-dim); font-variant-numeric: tabular-nums; }

/* ---------- Filtre ızgarası ---------- */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 8px;
}
.preset {
  position: relative;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  transition: border-color .14s, transform .06s;
}
.preset:active { transform: scale(.97); }
.preset.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.preset canvas, .preset .ph {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: linear-gradient(135deg, #1d2230, #262c3b);
}
.preset .name {
  display: block;
  padding: 5px 4px 6px;
  font-size: 11.5px;
  color: var(--text-dim);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.preset.active .name { color: var(--accent); }
.preset .del {
  position: absolute;
  top: 3px; right: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,.6);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  display: grid; place-items: center;
  opacity: 0;
  transition: opacity .14s;
}
.preset:hover .del { opacity: 1; }

/* ---------- Histogram ---------- */
.histo-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px 6px;
  margin-bottom: 14px;
}
#histogram { width: 100%; height: 82px; display: block; }
.histo-meta { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-faint); margin-top: 3px; }

/* ---------- Kaydırıcılar ---------- */
.adj-group { margin-bottom: 8px; border-bottom: 1px solid var(--line-soft); padding-bottom: 8px; }
.adj-group:last-child { border-bottom: none; }
.group-head {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; background: none; border: none; padding: 9px 2px;
  cursor: pointer; color: var(--text-dim); font-size: 12.5px; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase;
}
.group-head:hover { color: var(--text); }
.group-head .chev { transition: transform .18s; color: var(--text-faint); font-size: 11px; }
.adj-group.collapsed .chev { transform: rotate(-90deg); }
.adj-group.collapsed .group-body { display: none; }
.group-head .badge {
  margin-left: auto; margin-right: 8px;
  background: var(--accent); color: var(--accent-ink);
  border-radius: 999px; font-size: 10px; padding: 1px 6px; font-weight: 700;
}

.slider { padding: 6px 2px 10px; }
.slider-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 5px; }
.slider-head label { font-size: 13px; color: var(--text-dim); cursor: pointer; }
.slider-head output {
  font-size: 12px; color: var(--text-faint); font-variant-numeric: tabular-nums;
  min-width: 38px; text-align: right;
}
.slider.changed .slider-head label { color: var(--text); }
.slider.changed .slider-head output { color: var(--accent); }
.slider.inactive { opacity: .42; }
.slider.inactive .slider-head label::after { content: ' ·'; color: var(--text-faint); }

input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  background: transparent;
  cursor: pointer;
  margin: 0;
  touch-action: pan-y;
}
input[type=range]::-webkit-slider-runnable-track {
  height: 3px; border-radius: 2px;
  background: var(--line);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px; height: 15px; margin-top: -6px;
  border-radius: 50%;
  background: #fff;
  border: none;
  box-shadow: 0 1px 4px rgba(0,0,0,.5);
}
input[type=range]::-moz-range-track { height: 3px; border-radius: 2px; background: var(--line); }
input[type=range]::-moz-range-thumb {
  width: 15px; height: 15px; border-radius: 50%; background: #fff; border: none;
  box-shadow: 0 1px 4px rgba(0,0,0,.5);
}
input[type=range].hue-track::-webkit-slider-runnable-track {
  background: linear-gradient(90deg,#ff0000,#ffff00,#00ff00,#00ffff,#0000ff,#ff00ff,#ff0000);
  height: 5px;
}
input[type=range].hue-track::-moz-range-track {
  background: linear-gradient(90deg,#ff0000,#ffff00,#00ff00,#00ffff,#0000ff,#ff00ff,#ff0000);
  height: 5px;
}

/* ---------- Çipler ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: border-color .14s, color .14s, background .14s;
}
.chip:hover { background: var(--surface-2); color: var(--text); }
.chip.active { border-color: var(--accent); color: var(--accent); background: rgba(94,179,255,.09); }
.chip.ch-r.active { border-color: #ff6b6b; color: #ff6b6b; background: rgba(255,107,107,.1); }
.chip.ch-g.active { border-color: #4ade80; color: #4ade80; background: rgba(74,222,128,.1); }
.chip.ch-b.active { border-color: #60a5fa; color: #60a5fa; background: rgba(96,165,250,.1); }

/* ---------- Metin katmanları ---------- */
.sticker-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
  gap: 5px;
}
.sticker {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  font-size: 20px;
  line-height: 1;
  padding: 7px 0;
  cursor: pointer;
  transition: border-color .14s, transform .06s;
}
.sticker:hover { border-color: var(--accent); }
.sticker:active { transform: scale(.92); }

.layer-list { display: flex; flex-direction: column; gap: 5px; }
.layer-row {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 7px 10px;
  cursor: pointer;
  font-size: 13.5px;
}
.layer-row.active { border-color: var(--accent); background: rgba(94,179,255,.08); }
.layer-row .txt {
  flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-dim);
}
.layer-row.active .txt { color: var(--text); }
.layer-row .mv {
  border: none; background: none; color: var(--text-faint); cursor: pointer;
  padding: 0 3px; font-size: 13px; line-height: 1;
}
.layer-row .mv:hover { color: var(--text); }

.color-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.color-field { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--text-faint); }
.color-field input[type=color] {
  width: 30px; height: 26px; padding: 0;
  border: 1px solid var(--line); border-radius: 6px; background: none; cursor: pointer;
}
.chip.tiny { padding: 4px 9px; font-size: 12px; }

#ovText {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  outline: none;
  resize: vertical;
  min-height: 44px;
  font-size: 14px;
}
#ovText:focus { border-color: var(--accent); }

/* ---------- Eğri ---------- */
.curve-wrap {
  margin: 12px 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 6px;
}
#curveCanvas {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  touch-action: none;
  cursor: crosshair;
}

/* ---------- Bilgi listesi ---------- */
.info-list { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; font-size: 13px; }
.info-list dt { color: var(--text-faint); }
.info-list dd { margin: 0; color: var(--text); text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Kip pencereleri ---------- */
.modal {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-2);
  color: var(--text);
  padding: 0;
  width: min(400px, calc(100vw - 32px));
  box-shadow: var(--shadow);
}
.modal::backdrop { background: rgba(0,0,0,.6); backdrop-filter: blur(3px); }
.modal-inner { padding: 20px; }
.modal h2 { margin: 0 0 16px; font-size: 17px; font-weight: 640; }
.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 12px; color: var(--text-faint); margin-bottom: 5px; }
.field input[type=text], .field select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  outline: none;
}
.field input[type=text]:focus, .field select:focus { border-color: var(--accent); }
.field input[type=range] { width: 100%; }
.modal-meta { font-size: 12.5px; color: var(--text-faint); margin: 0 0 16px; min-height: 18px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }

/* ---------- Bildirim ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(8px);
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  box-shadow: var(--shadow);
  z-index: 100;
  opacity: 0;
  transition: opacity .18s, transform .18s;
  pointer-events: none;
  max-width: calc(100vw - 32px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: var(--danger); color: #ffd9d9; }

/* ---------- Yükleniyor ---------- */
.busy { position: relative; pointer-events: none; opacity: .6; }

/* ---------- Mobil ---------- */
@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: var(--topbar-h) minmax(0, 1fr) auto;
    grid-template-areas:
      "top"
      "stage"
      "panel";
  }
  .panel {
    border-left: none;
    border-top: 1px solid var(--line);
    max-height: 47dvh;
  }
  .stage { padding: 12px; }
  .dropzone { inset: 12px; }
  .brand-name { display: none; }
  .btn .lbl { display: none; }
  .btn.primary .lbl { display: inline; }
  .panel-body { padding: 12px 12px calc(16px + env(safe-area-inset-bottom)); }
  .preset-grid { grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); }
  .preset .del { opacity: 1; }
}

@media (max-width: 420px) {
  .tab { font-size: 10.5px; }
  .tab span { font-size: 15px; }
  .topbar { padding: 0 8px 0 10px; }
  .topbar-actions { gap: 4px; }
}

/* Fare olmayan cihazlarda tutamaçları büyüt */
@media (pointer: coarse) {
  .crop-handle { width: 30px; height: 30px; }
  .h-nw, .h-sw, .h-w { left: -15px; }
  .h-ne, .h-se, .h-e { right: -15px; }
  .h-nw, .h-n, .h-ne { top: -15px; }
  .h-sw, .h-s, .h-se { bottom: -15px; }
  .h-n, .h-s { margin-left: -15px; }
  .h-e, .h-w { margin-top: -15px; }
}