.tools-page {
  position: relative;
  padding-top: 96px;
  padding-bottom: 60px;
  overflow: hidden;
}

.tools-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.25), transparent 55%),
    radial-gradient(circle at 80% 0%, rgba(125, 211, 252, 0.2), transparent 50%),
    linear-gradient(135deg, rgba(2, 6, 23, 0.9), rgba(2, 6, 23, 0.6));
  z-index: 0;
}

.tools-page > .container,
.tools-page .tools-shell {
  position: relative;
  z-index: 1;
}

.tools-hero {
  text-align: center;
  max-width: min(760px, 90vw);
  margin: 0 auto clamp(24px, 3vw, 36px);
}

.tools-hero .badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(22, 93, 255, 0.15);
  color: #cbd5f5;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.tools-hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin: clamp(12px, 1.5vw, 16px) 0 clamp(8px, 1vw, 10px);
}

.tools-hero p {
  color: rgba(226, 232, 240, 0.85);
  font-size: 16px;
}

.tools-shell {
  display: block; /* Changed from grid to block for full width */
  /* grid-template-columns: clamp(180px, 15vw, 220px) minmax(0, 1fr); */
  /* gap: clamp(20px, 2vw, 28px); */
  /* align-items: start; */
}

.tools-nav {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 22px;
  padding: 18px 16px;
  position: sticky;
  top: 110px;
}

.tools-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.tools-nav-title {
  font-size: 15px;
  font-weight: 600;
}

.tools-nav-toggle {
  display: none;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: transparent;
  color: #e2e8f0;
  border-radius: 10px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}

.tools-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tools-nav-divider {
  font-size: 12px;
  color: rgba(148, 163, 184, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 10px 0 4px;
}

.tools-nav-item {
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
  color: #cbd5f5;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.tools-nav-item .nav-item-name {
  font-weight: 600;
}

.tools-nav-item .nav-item-meta {
  display: block;
  font-size: 11px;
  color: rgba(203, 213, 245, 0.7);
  margin-top: 2px;
}

.tools-nav-item:hover {
  background: rgba(148, 163, 184, 0.12);
  transform: translateX(2px);
}

.tools-nav-item.active {
  background: linear-gradient(120deg, #165dff, #3b82f6);
  color: #fff;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.35);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  place-content: start;
}

.tool-card {
  user-select: none;
  cursor: pointer;
  width: 100%;
  overflow: hidden;
  border-radius: 14px;
  background: #232632;
  padding: 10px;
  display: flex;
  align-items: start;
  flex-direction: column;
  transition: all 0.2s;
  border: none;
  box-shadow: none;
  min-height: auto;
  gap: 0;
}

.tool-card:hover {
  scale: 1.02;
  transform: none;
  box-shadow: none;
}

.tool-card.active {
  border: none;
  box-shadow: none;
  transform: none;
  scale: 1.02;
}

.tool-card-icon {
  display: none; /* 隐藏图标，改用图片区域 */
}

.tool-card-image {
  flex: 1;
  border-radius: 8px;
  background: rgba(172, 172, 172, 1);
  aspect-ratio: 2;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
}

.tool-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tool-card-image .img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  background: rgba(172, 172, 172, 0.3);
}

.tool-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-top: 10px;
  margin-bottom: 0;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-card p {
  font-size: 13px;
  opacity: 0.5;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #fff;
  margin-top: 7px;
  margin-bottom: 0;
  line-height: 1.5;
  flex: none;
}

.tool-card .tool-card-footer {
  display: none; /* 隐藏 footer，与 X7AI 保持一致 */
}

.tool-detail {
  padding-top: 96px;
  padding-bottom: 60px;
  background:
    radial-gradient(circle at 0% 0%, rgba(37, 99, 235, 0.28), transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(56, 189, 248, 0.22), transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(59, 130, 246, 0.18), transparent 65%);
}

.tool-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.tool-detail-title {
  font-size: 30px;
  font-weight: 600;
}

.tool-detail-layout {
  display: grid;
  grid-template-columns: clamp(180px, 15vw, 220px) minmax(0, 1.3fr) minmax(0, 0.9fr);
  gap: clamp(18px, 2vw, 24px);
  align-items: start;
}

.tool-detail .tool-panel {
  display: block;
}

.tool-panel {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.9));
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 22px;
  box-shadow: 0 24px 55px rgba(2, 6, 23, 0.65);
  min-height: 320px;
}

.tool-panel h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.tool-panel p {
  color: rgba(226, 232, 240, 0.8);
  font-size: 14px;
}

.tool-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 12px;
}

.tool-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tool-form label {
  font-size: 13px;
  color: rgba(226, 232, 240, 0.9);
}

.tool-form input,
.tool-form textarea,
.tool-form select {
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.35);
  color: #f8fafc;
  padding: 12px 14px;
  font-family: inherit;
}

.tool-form textarea {
  min-height: 110px;
  resize: vertical;
}

.form-hint,
.form-warning {
  font-size: 12px;
  color: rgba(148, 163, 184, 0.95);
}

.form-warning {
  color: #fcd34d;
}

.tag-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-option {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: transparent;
  color: #e2e8f0;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.tag-option.active {
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.7);
}

.switch {
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  color: #cbd5f5;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.switch.active {
  background: rgba(34, 197, 94, 0.12);
  color: #4ade80;
  border-color: rgba(34, 197, 94, 0.7);
}

.tool-score {
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #bfdbfe;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tool-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.btn-generate {
  background: linear-gradient(120deg, #165dff, #3b82f6);
  color: #fff;
  border: none;
  border-radius: 16px;
  padding: 12px 26px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 16px 30px rgba(37, 99, 235, 0.45);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.btn-generate:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.55);
}

.btn-ghost-sm {
  border-radius: 14px;
  border: 1px dashed rgba(148, 163, 184, 0.45);
  background: transparent;
  color: #cbd5f5;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
}

.preview-card {
  background: rgba(248, 250, 252, 0.95);
  border-radius: 24px;
  padding: 20px;
  min-height: 320px;
  color: #0f172a;
  border: 1px solid rgba(226, 232, 240, 0.6);
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.2);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.preview-media {
  flex: 1;
  border-radius: 18px;
  border: 1px dashed rgba(148, 163, 184, 0.8);
  background: repeating-linear-gradient(
      45deg,
      rgba(148, 163, 184, 0.1),
      rgba(148, 163, 184, 0.1) 12px,
      rgba(226, 232, 240, 0.15) 12px,
      rgba(226, 232, 240, 0.15) 24px
    ),
    linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(37, 99, 235, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.preview-media span {
  font-size: 15px;
  color: #1e293b;
}

.preview-generated {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.preview-generated strong {
  font-size: 16px;
  color: #0f172a;
}

.preview-generated ul {
  margin: 0;
  padding-left: 16px;
  color: #475569;
  font-size: 13px;
}

.preview-split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.preview-split-item {
  border-radius: 12px;
  border: 1px dashed rgba(15, 23, 42, 0.15);
  padding: 10px;
  background: rgba(248, 250, 252, 0.9);
}

.preview-split-item strong {
  display: block;
  font-size: 13px;
  color: #0f172a;
  margin-bottom: 4px;
}

.preview-split-item span {
  font-size: 12px;
  color: #475569;
}
.preview-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.preview-actions button {
  flex: 1;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 10px;
  font-weight: 600;
  cursor: pointer;
}

.loading-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #0f172a;
  font-weight: 600;
}

.loading-indicator .spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(15, 23, 42, 0.15);
  border-top-color: #165dff;
  animation: spin 0.8s linear infinite;
}

.tool-history {
  padding-top: 18px;
  border-top: 1px dashed rgba(148, 163, 184, 0.4);
  margin-top: 18px;
  font-size: 13px;
  color: rgba(148, 163, 184, 0.9);
}

.mobile-nav-open .tools-nav {
  position: fixed;
  inset: 80px 18px auto 18px;
  z-index: 998;
}

.mobile-nav-backdrop {
  display: none;
}

.mobile-nav-open .mobile-nav-backdrop {
  display: block;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  z-index: 997;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1200px) {
  .tools-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .tool-detail-layout {
    grid-template-columns: clamp(160px, 14vw, 200px) minmax(0, 1fr);
  }
  .tool-detail-layout .tool-preview {
    grid-column: span 2;
  }
}

@media (max-width: 960px) {
  /* 工具页面优化 */
  .tools-page {
    padding-top: 88px;
  }

  /* 工具外壳布局优化 */
  .tools-shell {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .tools-nav {
    position: relative;
    top: 0;
  }

  .tools-nav-toggle {
    display: block;
  }

  /* 工具网格优化 */
  .tools-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  /* 工具详情布局优化 */
  .tool-detail-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .tool-detail-layout .tool-preview {
    grid-column: auto;
  }

  /* 工具面板优化 */
  .tool-panel {
    padding: 20px;
  }
}

@media (max-width: 640px) {
  /* 工具页面优化 */
  .tools-page {
    padding-top: 80px;
    padding-bottom: 40px;
  }

  .tools-hero {
    margin-bottom: 28px;
  }

  .tools-hero .badge {
    font-size: 12px;
    padding: 3px 12px;
  }

  .tools-hero h1 {
    font-size: clamp(24px, 4.5vw, 26px);
    margin: clamp(10px, 1.5vw, 12px) 0 clamp(6px, 1vw, 8px);
  }

  .tools-hero p {
    font-size: clamp(13px, 2.2vw, 14px);
  }

  /* 工具外壳布局优化 */
  .tools-shell {
    gap: clamp(16px, 2.5vw, 20px);
  }

  /* 工具导航优化 */
  .tools-nav {
    position: relative;
    top: 0;
    border-radius: 16px;
    padding: 16px 14px;
  }

  .tools-nav-header {
    margin-bottom: 12px;
  }

  .tools-nav-title {
    font-size: 14px;
  }

  .tools-nav-toggle {
    display: block;
    padding: 6px 12px;
    font-size: 11px;
  }

  .tools-nav-item {
    padding: 10px 12px;
    font-size: 13px;
  }

  .tools-nav-item .nav-item-meta {
    font-size: 10px;
  }

  /* 工具网格优化 */
  .tools-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .tool-card {
    padding: 10px;
    min-height: auto;
    border-radius: 14px;
  }

  .tool-card-image {
    border-radius: 8px;
  }

  .tool-card-image .img-placeholder {
    font-size: 24px;
  }

  .tool-card h3 {
    font-size: 14px;
    margin-top: 10px;
  }

  .tool-card p {
    font-size: 13px;
    margin-top: 7px;
  }

  /* 工具详情优化 */
  .tool-detail {
    padding-top: clamp(70px, 10vw, 80px);
    padding-bottom: clamp(30px, 5vw, 40px);
  }

  .tool-detail-header {
    flex-direction: column;
    align-items: flex-start;
    gap: clamp(10px, 1.5vw, 12px);
    margin-bottom: clamp(16px, 2.5vw, 20px);
  }

  .tool-detail-title {
    font-size: clamp(22px, 4vw, 24px);
  }

  .tool-detail-layout {
    gap: clamp(16px, 2.5vw, 20px);
  }

  /* 工具面板优化 */
  .tool-panel {
    padding: clamp(16px, 2.2vw, 18px);
    border-radius: clamp(16px, 2.2vw, 18px);
    min-height: auto;
  }

  .tool-panel h3 {
    font-size: clamp(16px, 2.8vw, 18px);
    margin-bottom: clamp(8px, 1.2vw, 10px);
  }

  .tool-panel p {
    font-size: clamp(12px, 2vw, 13px);
  }

  /* 工具表单优化 */
  .tool-form {
    gap: 14px;
    margin-top: 10px;
  }

  .tool-form label {
    font-size: 12px;
  }

  .tool-form input,
  .tool-form textarea,
  .tool-form select {
    padding: 10px 12px;
    font-size: 14px;
    border-radius: 12px;
  }

  .tool-form textarea {
    min-height: 100px;
  }

  /* 标签选项优化 */
  .tag-options {
    gap: 6px;
  }

  .tag-option {
    padding: 5px 10px;
    font-size: 12px;
  }

  /* 工具操作按钮优化 */
  .tool-actions {
    flex-direction: column;
    gap: 10px;
  }

  .btn-generate {
    width: 100%;
    padding: 12px 20px;
    font-size: 14px;
  }

  .btn-ghost-sm {
    width: 100%;
    padding: 10px 14px;
    font-size: 12px;
  }

  /* 预览卡片优化 */
  .preview-card {
    padding: 16px;
    border-radius: 18px;
    min-height: auto;
  }

  .preview-media {
    padding: 16px;
    border-radius: 14px;
  }

  .preview-media span {
    font-size: 13px;
  }

  .preview-generated strong {
    font-size: 14px;
  }

  .preview-generated ul {
    font-size: 12px;
  }

  .preview-split {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .preview-actions {
    flex-direction: column;
  }

  .preview-actions button {
    width: 100%;
  }

  /* 工具历史优化 */
  .tool-history {
    padding-top: 14px;
    margin-top: 14px;
    font-size: 12px;
  }
}

/* =========================
   正在开发中页面样式
   ========================= */
.developing-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 80px 20px;
  text-align: center;
}

.developing-content {
  max-width: 600px;
  width: 100%;
}

.developing-icon {
  margin-bottom: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.developing-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  color: #e2e8f0;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #165dff, #3b82f6, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.developing-desc {
  font-size: clamp(16px, 2.5vw, 20px);
  color: rgba(226, 232, 240, 0.8);
  margin-bottom: 40px;
  line-height: 1.6;
}

.developing-progress {
  margin-top: 40px;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(148, 163, 184, 0.2);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 12px;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #165dff, #3b82f6, #60a5fa);
  border-radius: 999px;
  width: 0%;
  animation: progress-animation 2s ease-in-out infinite;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes progress-animation {
  0% {
    width: 0%;
  }
  50% {
    width: 70%;
  }
  100% {
    width: 0%;
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.progress-text {
  font-size: 14px;
  color: rgba(203, 213, 245, 0.7);
  display: block;
}

@media (max-width: 640px) {
  .developing-section {
    padding: 60px 16px;
    min-height: 50vh;
  }

  .developing-icon {
    margin-bottom: 24px;
  }

  .developing-icon svg {
    width: 80px;
    height: 80px;
  }

  .developing-title {
    margin-bottom: 12px;
  }

  .developing-desc {
    margin-bottom: 32px;
    font-size: 15px;
  }

  .developing-progress {
    margin-top: 32px;
  }

  .progress-bar {
    height: 6px;
  }

  .progress-text {
    font-size: 12px;
  }
}

/* Loading & Empty States */
.tools-loading, .tools-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  color: #94a3b8;
  min-height: 300px;
  background: transparent;
  border-radius: 0;
  border: none;
}

.tools-loading .spinner {
  width: 40px;
  height: 40px;
  border-width: 3px;
  margin-bottom: 20px;
  border-top-color: #165dff;
}

.tools-empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.6;
}

.tools-empty p, .tools-loading p {
  font-size: 15px;
  color: #cbd5f5;
}