:root {
  color-scheme: light;
  --bg: #f5f5f5;
  --panel: #ffffff;
  --accent: #2563eb;
  --accent-weak: #e0e7ff;
  --muted: #5f6b7a;
  --border: #e5e7eb;
  --card: #ffffff;
  --danger: #ef4444;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --text: #0f172a;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.app {
  width: min(1100px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 28px;
  position: relative;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(22px, 3vw, 26px);
  margin: 0;
  letter-spacing: 0.2px;
  color: #0f172a;
}

.subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.input {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 600;
  min-width: 200px;
}

.select {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 600;
}

.btn {
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: 12px;
  padding: 12px 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
  box-shadow: 0 8px 16px rgba(37, 99, 235, 0.22);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  box-shadow: none;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  background: #1e4fd9;
}

.ghost-btn {
  background: var(--accent-weak);
  color: var(--accent);
  border-color: transparent;
  box-shadow: none;
}

.upload {
  position: relative;
  overflow: hidden;
}

.upload input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
  cursor: grab;
}

.card:active {
  cursor: grabbing;
}

.card.dragging {
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.18);
  transform: translateY(-2px);
}

.thumb {
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #f8fafc;
  display: grid;
  place-items: center;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.thumb-icon {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}

.meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 150px;
}

.pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  background: #f8fafc;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.empty {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 26px;
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
  background: #fff;
}

.actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  border: 1px solid var(--border);
  background: #f8fafc;
  color: var(--text);
  border-radius: 10px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  cursor: grab;
}

.remove-btn {
  background: #fee2e2;
  border-color: #fecdd3;
  color: #b91c1c;
  cursor: pointer;
}

.hint {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.status {
  border: 1px solid var(--border);
  background: #f8fafc;
  color: var(--muted);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 12px;
}

.status.error {
  border-color: #fecdd3;
  background: #fee2e2;
  color: #b91c1c;
}

.lang-switch {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 8px;
  z-index: 2;
}

.lang-btn {
  border: 1px solid var(--border);
  background: #f8fafc;
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 120ms ease, color 120ms ease, background 120ms ease;
}

.lang-btn.active {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}