/* Base */
body {
  font-family: system-ui, sans-serif;
  margin: 0;
  background: #fafafa;
  color: #333;
}

/* Header */
.nw-header {
  text-align: center;
  padding: 18px 8px 10px;
}
.subtitle {
  font-size: 13px;
  color: #555;
  margin-top: 2px;
}

/* Main layout */
.nw-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 12px 32px; /* ← 下に余白追加（footer衝突防止） */
}

/* Language Switch */
.nw-lang-switch {
  text-align: center;
  margin: 6px 0 10px;
  font-size: 11px;
  color: #6b7280;
}
.nw-lang-switch button {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 11px;
}
.nw-lang-switch button.active {
  text-decoration: underline;
  font-weight: 600;
}

/* Ads */
.ad-slot {
  margin: 12px 0 16px;
  padding: 8px;
  border: 1px dashed #d4d4d4;
  font-size: 11px;
  color: #9ca3af;
  text-align: center;
  min-height: 60px;
}

/* Tool UI */
.tool-container {
  text-align: center;
  margin-top: 16px;
}
.label {
  font-size: 14px;
  font-weight: bold;
}

.drop-area {
  border: 2px dashed #bbb;
  padding: 26px 0;
  margin: 14px auto;
  font-size: 13px;
  color: #666;
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  max-width: 600px;
}
.drop-area:hover {
  border-color: #888;
}

#file-input {
  display: none;
}

.preview {
  max-width: 90%;
  margin-top: 14px;
  border-radius: 8px;
}

.hidden {
  display: none;
}

/* Buttons */
.clean-btn {
  margin-top: 16px;
  padding: 10px 26px;
  font-size: 14px;
  border: none;
  background: #2563eb;
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
}
.clean-btn:disabled {
  background: #9ca3af;
  cursor: not-allowed;
}

/* Status & Message */
.status {
  margin-top: 12px;
  font-size: 13px;
  color: #444;
}
.done-msg {
  color: #16a34a;
  margin-top: 10px;
  font-size: 13px;
}

/* Disclaimer */
.disclaimer {
  margin-top: 16px;
  font-size: 11px;
  color: #777;
  text-align: center;
}

/* Donate section */
.nw-donate {
  text-align: center;
  margin: 16px 0 8px;
  padding: 8px 0;
  font-size: 12px;
  color: #6b7280;
}
.nw-donate-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.nw-donate-links a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #ffffff;
  font-size: 13px;
  color: #111827;
  text-decoration: none;
}

/* Internal links（仕様：footer直前）*/
.nw-links {
  text-align: center;
  font-size: 12px;
  margin: 20px 0 24px; /* ← footer との余白を確保 */
  color: #6b7280;
}
.nw-links a {
  color: #4b5563;
  text-decoration: none;
}
.nw-links a:hover {
  text-decoration: underline;
}

/* Footer */
.nw-footer {
  margin-top: 32px; /* ← main と競合しないため拡張 */
  padding: 16px 8px 12px;
  border-top: 1px solid #e5e7eb;
  font-size: 11px;
  color: #6b7280;
  text-align: center;
  line-height: 1.6;
}
.nw-footer-line {
  margin: 2px 0;
}