:root {
  --bg: #101318;
  --panel: #1b2027;
  --border: #2c333d;
  --text: #e6e9ef;
  --muted: #9aa3b2;
  --accent: #f0522c;
  --accent-hover: #ff6b45;
}

@font-face {
  font-family: "Font Awesome 6 Free";
  font-style: normal;
  font-weight: 900;
  font-display: block;
  src: url("/vendor/fonts/fa-solid-900.woff2") format("woff2");
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.site-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
}

.site-header h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: 0.5px;
}

.subtitle { margin: 4px 0 0; color: var(--muted); }

.layout {
  display: flex;
  gap: 16px;
  padding: 16px 32px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  flex: 1 1 320px;
  min-width: 280px;
}

.panel h2, .results h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 600;
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  background: transparent;
  min-height: 140px;
  color: var(--muted);
}

.dropzone.dz-drag-hover {
  border-color: var(--accent);
  background: rgba(240, 82, 44, 0.08);
}

.dropzone .dz-message { margin: 1.6em; }

.dropzone .dz-preview .dz-image {
  border-radius: 6px;
}

.dropzone .dz-preview .dz-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 20;
  background: transparent;
  color: var(--accent);
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 20px;
  line-height: 1;
  text-decoration: none;
}

.dropzone .dz-preview .dz-remove::before {
  content: "\f00d";
}

.dropzone .dz-preview .dz-remove:hover {
  color: var(--accent-hover);
  text-decoration: none;
}

.dropzone .dz-preview.dz-image-preview {
  background: transparent;
}

.hint { color: var(--muted); font-size: 0.85rem; line-height: 1.4; }

.setting { margin-bottom: 18px; }

.setting label { display: block; font-weight: 600; margin-bottom: 8px; }

.setting output { color: var(--accent); font-variant-numeric: tabular-nums; }

.setting input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.setting input[type="number"] {
  width: 120px;
  padding: 6px 8px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
}

.setting select {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
}

.results { padding: 8px 32px 40px; }

.status {
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(240, 82, 44, 0.12);
  border: 1px solid rgba(240, 82, 44, 0.4);
  color: #ffb59e;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(256px, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.card canvas, .card img.thumb {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.checker {
  background-color: #9e9e9e;
  background-image:
    linear-gradient(45deg, #000 25%, transparent 25%, transparent 75%, #000 75%),
    linear-gradient(45deg, #000 25%, transparent 25%, transparent 75%, #000 75%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
}

.checker.bg-checker-light {
  background-color: #fff;
  background-image:
    linear-gradient(45deg, #d4d4d4 25%, transparent 25%, transparent 75%, #d4d4d4 75%),
    linear-gradient(45deg, #d4d4d4 25%, transparent 25%, transparent 75%, #d4d4d4 75%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
}

.checker.bg-solid-white { background: #fff; }
.checker.bg-solid-grey { background: #808080; }
.checker.bg-solid-black { background: #000; }
.checker.bg-solid-green { background: #00b140; }

.card .meta {
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
  word-break: break-all;
  overflow-wrap: anywhere;
}

.card .meta .name { color: var(--text); }

.hover-popup {
  position: fixed;
  z-index: 1001;
  pointer-events: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
  max-width: 92vw;
  max-height: 92vh;
  overflow: auto;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.hover-popup img {
  display: block;
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
}

.card .error {
  padding: 12px;
  color: #ffb59e;
  font-size: 0.85rem;
}

.download-bar {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn:disabled { opacity: 0.45; cursor: not-allowed; }

@media (max-width: 720px) {
  .layout, .results { padding-left: 16px; padding-right: 16px; }
}