:root {
  color-scheme: dark;
  --bg: #0f1216;
  --panel: #171b21;
  --panel-2: #1e242c;
  --line: #2a323c;
  --text: #e6eaef;
  --muted: #9aa5b1;
  --accent: #f59e0b;
  --accent-2: #38bdf8;
  --danger: #f43f5e;
  --radius: 14px;
  --pad: 14px;
}

* { box-sizing: border-box; }

/* display:flex/grid tanımlayan kurallar UA'nın [hidden] kuralını ezdiği için gerekli */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

body {
  padding: 0 0 env(safe-area-inset-bottom);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(15, 18, 22, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: calc(10px + env(safe-area-inset-top)) var(--pad) 10px;
}

.topbar h1 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.modes { display: flex; gap: 6px; }

.mode {
  flex: 1;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.mode.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1206;
}

main {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px var(--pad) 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--pad);
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.preview-panel { padding-bottom: 10px; }

.tabs { display: flex; gap: 4px; margin-bottom: 10px; }

.tab {
  flex: 1;
  padding: 7px 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.tab.active { background: var(--panel-2); color: var(--text); border-color: #3b4552; }

.stage {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #0b0e12;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.view { display: none; width: 100%; height: 100%; }
.view.active { display: block; }
canvas.view { touch-action: none; }

.stage-hint {
  position: absolute;
  inset: auto 12px 12px;
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  pointer-events: none;
}

.busy {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(11, 14, 18, 0.72);
  font-size: 13px;
  color: var(--muted);
}

.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }

.summary {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.chip {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11.5px;
  color: var(--muted);
}

.chip b { color: var(--text); font-weight: 600; }

.warnings {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(244, 63, 94, 0.09);
  border: 1px solid rgba(244, 63, 94, 0.3);
  font-size: 12.5px;
  color: #ffc9d2;
}

.warnings ul { margin: 0; padding-left: 18px; }

/* Bilgi notları: uyarı değil — sakin, kapalı başlar. */
.notes {
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(148, 163, 184, 0.07);
  border: 1px solid rgba(148, 163, 184, 0.2);
  font-size: 12.5px;
  color: var(--muted);
}
.notes summary { cursor: pointer; user-select: none; }
.notes ul { margin: 6px 0 0; padding-left: 18px; }

.uploads {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.upload {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 8px;
  border: 1px dashed #3b4552;
  border-radius: 10px;
  background: var(--panel-2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  color: var(--text);
}

.upload input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload.ghost { border-style: solid; background: transparent; color: var(--muted); }
.upload.small { padding: 10px 8px; font-size: 12px; }

.hint {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--muted);
}

/* Kabartma yönü — en çok karıştırılan ayar olduğu için öne alındı. */
.segmented {
  margin-top: 12px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
}

.segmented-title {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 650;
  color: var(--text);
}

.segmented-buttons { display: flex; gap: 6px; }

.seg {
  flex: 1;
  padding: 10px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.seg.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1206;
}

.seg-hint {
  margin: 8px 0 0;
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--muted);
}

.seg-hint.auto { color: var(--accent-2); }

.paint-tools {
  margin-top: 10px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.paint-tools .grid { gap: 8px; }
.paint-tools .actions { gap: 8px; }
.paint-tools .seg-hint { margin: 0; }

#view-paint { cursor: crosshair; touch-action: none; }

.view-axis { margin-top: 12px; }

code {
  background: var(--panel-2);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 11.5px;
}

details { margin-top: 12px; }

details > summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 6px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.grid + .grid { margin-top: 10px; }

label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12px;
  color: var(--muted);
}

label small { color: #6d7783; font-size: 10.5px; }

label.check {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding-top: 14px;
}

input[type="number"], input[type="text"], select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 16px; /* iOS otomatik yakınlaştırmasını engeller */
  font-variant-numeric: tabular-nums;
}

input[type="range"] { width: 100%; accent-color: var(--accent); }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }

label output {
  font-size: 11px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}

button {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

button:disabled { opacity: 0.45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #1a1206; }
button.ghost { background: transparent; color: var(--muted); }

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

th, td {
  padding: 7px 9px;
  text-align: right;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-weight: 600; }

footer {
  padding: 0 var(--pad) 28px;
  text-align: center;
  font-size: 11.5px;
  color: #6d7783;
}

@media (min-width: 820px) {
  .stage { aspect-ratio: 16 / 9; }
  .uploads { grid-template-columns: repeat(4, 1fr); }
}

/* ÖNEMLİ AYARLAR: her işte değiştirilen birkaç alan renkli kutuda durur;
   20'den fazla aynı görünümlü alan arasında aranmasın. */
label.onemli {
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.45);
  color: var(--text);
  font-weight: 600;
}
label.onemli small { font-weight: 400; }
label.onemli input:not([type="checkbox"]),
label.onemli select { border-color: rgba(245, 158, 11, 0.55); }
label.check.onemli { padding-top: 8px; }

/* Nadiren dokunulan ayarlar kapalı başlar. */
details.gelismis {
  grid-column: 1 / -1;
  margin-top: 4px;
  border-top: 1px dashed var(--line);
  padding-top: 4px;
}
details.gelismis > summary small {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  margin-left: 6px;
}
details.gelismis > .grid { margin-top: 8px; }

/* Tek dokunuşla hazır ayar (yüz paneli) */
.preset-btn {
  width: 100%; margin-top: 10px; padding: 12px 14px;
  border-radius: 12px; border: 1px solid var(--accent, #f59e0b);
  background: rgba(245, 158, 11, 0.12); color: inherit;
  font: inherit; font-weight: 600; text-align: left; cursor: pointer;
}
.preset-btn small { font-weight: 400; opacity: 0.75; }
.preset-btn:active { transform: translateY(1px); }
.preset-btn.calisiyor { opacity: 0.7; }
.preset-status { margin: 8px 2px 0; font-size: 14px; font-weight: 600; color: var(--accent-2, #fbbf24); }
.yuz-detay { display: block; margin-top: 10px; }
.yuz-detay input { width: 100%; }

/* Meshy bölümü */
.meshy-block { margin: 12px 0; }
.meshy-block label { display: block; margin-top: 10px; }
.meshy-block input, .meshy-block textarea, .meshy-block select { width: 100%; box-sizing: border-box; }
.meshy-block textarea { font: inherit; padding: 8px; border-radius: 8px; resize: vertical; }

/* Kayıtlı ayarlar */
.ayarlarim { margin: 0 0 14px; padding: 10px 12px; border: 1px solid var(--border, #2a3340); border-radius: 12px; }
.ayarlarim label { display: flex; flex-direction: column; gap: 6px; }
.ayarlarim select { width: 100%; }
.ayarlarim-dugmeler { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.ayarlarim-dugmeler button { flex: 1 1 auto; }