.page { padding: 40px 20px; max-width: 900px; margin: 0 auto; }
.page h1 { font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.page .subtitle { color: #888; margin-bottom: 24px; font-size: 14px; }

label {
  display: block; font-size: 12px; font-weight: 600; color: #aaa;
  margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px;
}

.card {
  background: #141414; border: 1px solid #262626; border-radius: 12px;
  padding: 24px; margin-bottom: 16px;
}
.sec-title { color: #fff; font-size: 15px; margin-bottom: 14px; }

.mode-row {
  display: flex; gap: 8px; margin-bottom: 16px;
  background: #141414; border: 1px solid #262626; border-radius: 10px; padding: 4px;
}
.mode-btn {
  flex: 1; background: transparent; border: none; color: #aaa;
  padding: 10px 14px; font-size: 14px; font-weight: 500;
  border-radius: 8px; cursor: pointer; transition: all 0.15s;
  font-family: inherit;
}
.mode-btn:hover { color: #fff; }
.mode-btn.active { background: #0d0d0d; color: #ff4444; }

.drop-zone {
  border: 2px dashed #2a2a2a; border-radius: 10px;
  padding: 50px 20px; text-align: center; cursor: pointer;
  transition: all 0.2s;
}
.drop-zone.drag { border-color: #ff4444; background: #1a0e0e; }
.drop-zone p { color: #888; margin: 6px 0; font-size: 14px; }
.drop-zone .link { color: #ff4444; text-decoration: underline; }
.drop-zone .hint { color: #555; font-size: 12px; }
.drop-icon { width: 40px; height: 40px; color: #555; margin-bottom: 10px; }

.preview-card {
  display: flex; gap: 20px; align-items: center;
}
#preview, #decode-preview {
  max-width: 200px; max-height: 200px; border-radius: 8px;
  background: #0d0d0d; border: 1px solid #222;
}
.preview-info { flex: 1; color: #ccc; font-size: 13px; line-height: 1.7; }
.preview-info strong { color: #fff; }

.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px;
}
.stat {
  background: #141414; border: 1px solid #262626; border-radius: 8px;
  padding: 12px 14px;
}
.stat .label { color: #888; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.stat .val { color: #fff; font-weight: 600; font-size: 14px; font-family: 'SF Mono', Monaco, monospace; }

.warn-box {
  padding: 12px 16px; margin-bottom: 16px;
  background: rgba(251,146,60,0.08); border: 1px solid rgba(251,146,60,0.3);
  color: #fb923c; border-radius: 8px; font-size: 13px;
}

.reencode-row, .format-row {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px;
}
.toggle {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  background: #0d0d0d; border: 1px solid #262626; border-radius: 6px;
  cursor: pointer; font-size: 13px; color: #ccc; text-transform: none;
  letter-spacing: normal; margin-bottom: 0; font-weight: 500;
}
.toggle:hover { border-color: #444; }
.toggle input { accent-color: #ff4444; width: 14px; height: 14px; margin: 0; }
.toggle input:checked ~ span { color: #fff; }

textarea {
  width: 100%; min-height: 120px; resize: vertical;
  background: #0d0d0d; border: 1px solid #2a2a2a; border-radius: 8px;
  color: #e1e1e1; padding: 12px; outline: none;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 12px; line-height: 1.5; word-break: break-all;
}
textarea:focus { border-color: #ff4444; }

.actions { display: flex; gap: 8px; margin-top: 12px; }

@media (max-width: 700px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .preview-card { flex-direction: column; align-items: flex-start; }
}