/* ============================================================
   在线工具页 — 与 theme.css 设计令牌对齐
   ============================================================ */

.tool-content-wrap {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

/* 与全站 layout-body + main-content 组合：避免重复全宽容器 padding */
.main-content > .tool-content-wrap {
  width: 100%;
  padding-bottom: 0;
}

.tool-container {
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  box-shadow: var(--s-xs);
  padding: clamp(20px, 4vw, 32px);
  margin-bottom: var(--layout-float-clearance);
}

.tool-container > h1 {
  margin-bottom: 0.35em;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}

.tool-container > h1 + p,
.tool-lead {
  color: var(--c-text-2);
  font-size: 0.9375rem;
  margin: 0 0 1.25rem;
  line-height: var(--lh-normal);
}

/* 面包屑（ul.breadcrumb） */
.tool-container ul.breadcrumb {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  font-size: 0.8125rem;
  color: var(--c-text-3);
}

.tool-container ul.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-container ul.breadcrumb li:not(:last-child)::after {
  content: "/";
  color: var(--c-line-strong);
  font-weight: 400;
  margin-left: 0.5rem;
  pointer-events: none;
}

.tool-container ul.breadcrumb a {
  color: var(--c-text-2);
  text-decoration: none;
}

.tool-container ul.breadcrumb a:hover {
  color: var(--c-action);
}

.tool-container ul.breadcrumb li.current {
  color: var(--c-text);
  font-weight: 600;
}

/* 说明块 */
.tool-container .note {
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 14px 18px;
  margin: 0 0 1.5rem;
  font-size: 0.875rem;
  color: var(--c-text-2);
  line-height: var(--lh-loose);
}

.tool-container .note p {
  margin: 0 0 0.65em;
}

.tool-container .note p:last-child {
  margin-bottom: 0;
}

/* 表单通用 */
.tool-container .form-group {
  margin-bottom: 1.1rem;
}

.tool-container .form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 6px;
}

.tool-container .form-group input[type="text"],
.tool-container .form-group input[type="number"],
.tool-container .form-group input[type="url"],
.tool-container .form-group select,
.tool-container .form-group textarea {
  width: 100%;
  max-width: 100%;
  padding: 10px 12px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--c-text);
  background: var(--c-bg);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.tool-container .form-group input:focus,
.tool-container .form-group select:focus,
.tool-container .form-group textarea:focus {
  outline: none;
  border-color: var(--c-action);
  box-shadow: 0 0 0 3px rgba(26, 108, 245, 0.15);
}

.tool-container .input-section {
  margin-bottom: 1.25rem;
}

.tool-container .input-section > label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--c-text);
}

.tool-container .input-section textarea,
.tool-container .input-section input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  background: var(--c-bg);
  color: var(--c-text);
  resize: vertical;
  min-height: 48px;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.tool-container .input-section textarea:focus,
.tool-container .input-section input[type="text"]:focus {
  outline: none;
  border-color: var(--c-action);
  box-shadow: 0 0 0 3px rgba(26, 108, 245, 0.12);
}

.tool-container .buttons,
.tool-container .buttons.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin: 1.25rem 0;
}

.tool-container .buttons .shortcut {
  font-size: 0.75rem;
  color: var(--c-text-3);
  margin-left: 0;
}

.tool-container .button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* 按钮（原 buttons.css / my.css 能力合并） */
.tool-container .btn-primary,
.tool-container .btn-secondary,
.tool-container .btn-exchange,
.tool-container .form-group button[type="submit"],
.tool-container .form-group button[type="button"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform 0.1s ease;
}

.tool-container .btn-primary,
.tool-container .form-group button[type="submit"] {
  background: var(--c-action);
  color: #fff;
  border-color: var(--c-action);
}

.tool-container .btn-primary:hover,
.tool-container .form-group button[type="submit"]:hover {
  background: var(--c-action-hover);
  border-color: var(--c-action-hover);
  color: #fff;
}

.tool-container .btn-secondary,
.tool-container .btn-exchange {
  background: var(--c-bg);
  color: var(--c-text);
  border-color: var(--c-line-strong);
}

.tool-container .btn-secondary:hover,
.tool-container .btn-exchange:hover {
  background: var(--c-bg-soft);
  border-color: var(--c-text-3);
}

.tool-container .btn-large {
  padding: 12px 22px;
  font-size: 0.9375rem;
}

.tool-container .btn-secondary.small {
  padding: 6px 12px;
  font-size: 0.75rem;
}

/* 网络测试表单 */
.tool-container .test-form-container {
  margin-top: 0.5rem;
}

.tool-container .test-form .target-select,
.tool-container select.target-select {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-line-strong);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 0.875rem;
}

/* 错误 / 成功 */
.tool-container .error,
.tool-container .error-box {
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: rgba(220, 53, 69, 0.08);
  border: 1px solid rgba(220, 53, 69, 0.35);
  color: #b02a37;
  font-size: 0.875rem;
  margin-top: 10px;
}

.tool-container .result-section {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-line);
}

.tool-container .result-section > label {
  display: block;
  font-weight: 600;
  font-size: 0.8125rem;
  margin-bottom: 8px;
  color: var(--c-text);
}

.tool-container .result-section h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.tool-container .test-result {
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 16px 18px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--c-text-2);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.tool-container .result-box {
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 16px 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8125rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--c-text-2);
  overflow-x: auto;
}

.tool-container .loading {
  padding: 20px;
  text-align: center;
  color: var(--c-text-3);
  font-size: 0.875rem;
}

.tool-result-area {
  margin-top: 1.5rem;
  min-height: 8px;
}

/* 代理检测结果卡片 */
.tool-container .result {
  margin-top: 1.5rem;
  padding: 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line);
}

.tool-container .result.success {
  background: rgba(40, 167, 69, 0.06);
  border-color: rgba(40, 167, 69, 0.35);
}

.tool-container .result.error {
  background: rgba(220, 53, 69, 0.06);
  border-color: rgba(220, 53, 69, 0.3);
}

.tool-container .result h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.tool-container .result-details p {
  margin: 0.4em 0;
  font-size: 0.875rem;
  color: var(--c-text-2);
}

/* MTR：双栏输入 */
.tool-ip-input-group {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-top: 10px;
  flex-wrap: wrap;
}

.tool-ip-input-item {
  flex: 1;
  min-width: 200px;
}

.tool-ip-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  justify-content: flex-start;
  padding-top: 28px;
}

.tool-container .input-with-action {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
}

.tool-container .input-with-action textarea,
.tool-container .tool-ip-input-item > textarea {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  font-family: inherit;
  resize: vertical;
  background: var(--c-bg);
  color: var(--c-text);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.tool-container .tool-ip-input-item > textarea:focus {
  outline: none;
  border-color: var(--c-action);
  box-shadow: 0 0 0 3px rgba(26, 108, 245, 0.12);
}

.tool-local-ip-box {
  margin: 0 0 1.25rem;
  padding: 14px 18px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  font-size: 0.875rem;
  color: var(--c-text-2);
}

.tool-local-ip-box h3 {
  margin: 0 0 8px;
  font-size: 0.9375rem;
  color: var(--c-text);
}

.tool-local-ip-box p {
  margin: 0 0 0.5em;
}

.tool-local-ip-box p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .tool-ip-input-group {
    flex-direction: column;
  }
  .tool-ip-actions {
    flex-direction: row;
    padding-top: 0;
    width: 100%;
  }
}

/* Base64 选项行 */
.tool-container .options {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--c-text-2);
}

.tool-container .options label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

/* 拼音工具选项区 — 使用主题色 */
.tool-pinyin-options {
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: clamp(16px, 3vw, 22px);
  margin: 1.25rem 0;
}

.tool-pinyin-options .options-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.tool-pinyin-options .option-group {
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 14px;
}

.tool-pinyin-options .option-group-title {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--c-text);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-line);
}

.tool-pinyin-options .radio-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tool-pinyin-options .radio-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  transition: background var(--ease);
}

.tool-pinyin-options .radio-label:hover {
  background: var(--c-bg-soft);
}

.tool-pinyin-options .radio-text {
  font-size: 0.8125rem;
  color: var(--c-text-2);
  line-height: 1.45;
}

.tool-pinyin-options .radio-text .example {
  color: var(--c-text-3);
  font-size: 0.75rem;
}

.tool-pinyin-options .checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
}

.tool-pinyin-options .checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.8125rem;
  color: var(--c-text-2);
}

.tool-pinyin-options .radio-label input[type="radio"]:checked + .radio-text {
  color: var(--c-action);
  font-weight: 600;
}

.tool-pinyin-options .checkbox-label input[type="checkbox"]:checked + span {
  color: var(--c-action);
  font-weight: 600;
}

.tool-pinyin-options .radio-label input[type="radio"],
.tool-pinyin-options .checkbox-label input[type="checkbox"] {
  accent-color: var(--c-action);
  width: 17px;
  height: 17px;
  cursor: pointer;
}

@media (max-width: 900px) {
  .tool-pinyin-options .options-row {
    grid-template-columns: 1fr;
  }
}

.tool-container .result-section textarea {
  width: 100%;
  min-height: 140px;
  padding: 12px 14px;
  font-size: 0.9375rem;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-sm);
  background: var(--c-bg-soft);
  color: var(--c-text);
  resize: vertical;
}

/* ========== 图片转 Icon ========== */
.tool-icon-converter .converter-title {
  margin-bottom: 0.35em;
}

.tool-icon-converter .converter-subtitle {
  color: var(--c-text-2);
  font-size: 0.9375rem;
  margin: 0 0 1.5rem;
  line-height: var(--lh-normal);
}

.tool-icon-converter .drop-area {
  border: 2px dashed var(--c-line-strong);
  border-radius: var(--r-lg);
  padding: clamp(28px, 5vw, 48px) 20px;
  text-align: center;
  background: var(--c-bg-soft);
  transition: border-color var(--ease), background var(--ease);
  cursor: pointer;
  position: relative;
}

.tool-icon-converter .drop-area:hover,
.tool-icon-converter .drop-area.dragover {
  border-color: var(--c-action);
  background: rgba(26, 108, 245, 0.04);
}

.tool-icon-converter .drop-area.active {
  border-color: var(--c-action);
  border-style: solid;
}

.tool-icon-converter .drop-area > i {
  font-style: normal;
  font-size: 2.5rem;
  display: block;
  margin-bottom: 12px;
  opacity: 0.85;
}

.tool-icon-converter .drop-area h3 {
  font-size: 1rem;
  margin: 0 0 8px;
}

.tool-icon-converter .drop-area p {
  font-size: 0.8125rem;
  color: var(--c-text-3);
  margin: 0;
}

.tool-icon-converter .file-input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.tool-icon-converter .browse-btn {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 20px;
  background: var(--c-action);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background var(--ease);
}

.tool-icon-converter .browse-btn:hover {
  background: var(--c-action-hover);
  color: #fff !important;
}

.tool-icon-converter .info-section {
  margin: 1.75rem 0;
  padding: 18px 20px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
}

.tool-icon-converter .info-title {
  font-size: 0.9375rem;
  margin: 0 0 12px;
}

.tool-icon-converter .info-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--c-text-2);
  font-size: 0.875rem;
  line-height: 1.7;
}

.tool-icon-converter .preview-section,
.tool-icon-converter .progress-section,
.tool-icon-converter .result-section {
  margin-top: 1.5rem;
}

.tool-icon-converter .preview-container {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 600px) {
  .tool-icon-converter .preview-container {
    grid-template-columns: 1fr;
  }
}

.tool-icon-converter .preview-item {
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 14px;
  background: var(--c-bg);
  text-align: center;
}

.tool-icon-converter .preview-item h4 {
  font-size: 0.8125rem;
  margin: 0 0 12px;
  color: var(--c-text-2);
}

.tool-icon-converter .preview-image,
.tool-icon-converter .preview-ico {
  max-width: 100%;
  max-height: 160px;
  object-fit: contain;
  border-radius: var(--r-sm);
}

.tool-icon-converter .progress-container {
  height: 8px;
  background: var(--c-line);
  border-radius: 99px;
  overflow: hidden;
}

.tool-icon-converter .progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--c-action), #4f8cff);
  border-radius: 99px;
  transition: width 0.15s ease;
}

.tool-icon-converter .progress-text {
  margin-top: 10px;
  font-size: 0.8125rem;
  color: var(--c-text-3);
  text-align: center;
}

.tool-icon-converter .result-info {
  padding: 16px 18px;
  background: rgba(40, 167, 69, 0.08);
  border: 1px solid rgba(40, 167, 69, 0.35);
  border-radius: var(--r-md);
  text-align: center;
}

.tool-icon-converter .result-info h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.tool-icon-converter .result-info p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--c-text-2);
}

.tool-icon-converter .action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 1.5rem;
}

.tool-icon-converter .action-buttons .button {
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--r-sm);
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tool-icon-converter .action-buttons .button:not(.download-btn):not(.reset-btn) {
  background: var(--c-action);
  color: #fff;
}

.tool-icon-converter .download-btn {
  background: var(--c-text);
  color: #fff !important;
}

.tool-icon-converter .reset-btn {
  background: var(--c-bg);
  color: var(--c-text);
  border: 1px solid var(--c-line-strong);
}

.tool-icon-converter .hidden {
  display: none !important;
}

.tool-icon-converter .visible {
  display: block;
}

.tool-icon-converter .action-buttons .visible {
  display: inline-flex;
}

/* 暗色模式微调 */
html.io-dark-mode .tool-container .test-result,
html.io-dark-mode .tool-container .result-box {
  background: rgba(255, 255, 255, 0.04);
}

html.io-dark-mode .tool-container .error,
html.io-dark-mode .tool-container .error-box {
  background: rgba(220, 53, 69, 0.12);
  color: #f8a0a8;
}