* { margin: 0; padding: 0; box-sizing: border-box; }

.tool-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 5px;
  border-radius: inherit;
  display: block;
  background: transparent;
}
.hot-card .card-icon:has(.tool-logo),
.tool-card .card-icon:has(.tool-logo),
.detail-icon:has(.tool-logo),
.similar-icon:has(.tool-logo) { background: transparent !important; }
.hot-card .card-icon .tool-logo { padding: 4px; }
.tool-card .card-icon .tool-logo { padding: 3px; }
.detail-icon .tool-logo {
  width: 92%;
  height: 92%;
  padding: 0;
}
.similar-icon .tool-logo {
  width: 38px;
  height: 38px;
  padding: 3px;
}

:root {
  --bg: #f5f6fa;
  --surface: #fff;
  --surface-2: #f0f1f5;
  --surface-3: #e8e9ed;
  --border: #e4e6eb;
  --border-light: #eceef2;
  --text: #2c2e2f;
  --text-secondary: #6b7280;
  --text-dim: #9ca3af;
  --accent: #5961f9;
  --accent-hover: #4a52e0;
  --accent-light: #ee9ae5;
  --accent-bg: rgba(89,97,249,0.06);
  --sidebar-w: 230px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform 0.25s ease;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border-light);
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.sidebar-close {
  display: none;
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.sidebar-search {
  padding: 14px 16px 8px;
  position: relative;
}

.search-ico {
  position: absolute;
  left: 28px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  margin-top: 3px;
}

.sidebar-search input {
  width: 100%;
  height: 36px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 12px 0 34px;
  font-size: 13px;
  color: var(--text);
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.sidebar-search input::placeholder { color: var(--text-dim); }

.sidebar-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(89,97,249,0.12);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 6px 10px 16px;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  gap: 10px;
  text-decoration: none;
}

.nav-item:hover { background: var(--surface-2); color: var(--text); }

.nav-item.active {
  background: var(--accent-bg);
  color: var(--accent);
  font-weight: 600;
}

.nav-icon { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.nav-label { flex: 1; }

.nav-count {
  font-size: 11px;
  background: var(--surface-3);
  color: var(--text-dim);
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 500;
}

.nav-item.active .nav-count { background: rgba(89,97,249,0.12); color: var(--accent); }

/* ===== Main Content ===== */
.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  transition: margin-left 0.25s ease;
}

.top-bar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.menu-btn {
  display: none;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.page-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.back-btn:hover { background: var(--surface-2); border-color: var(--accent); color: var(--accent); }

/* ===== Hot Tools Section ===== */
.hot-section {
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

/* ===== Latest section ===== */
.latest-section {
  margin-bottom: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-light);
}
.latest-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 4px 14px;
}
.latest-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: -0.5px;
}
.latest-badge {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
  font-weight: 600;
}
.latest-more {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}
.latest-more-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--accent);
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.latest-more-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 6px 20px rgba(89,97,249,0.2);
}

.hot-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 4px 14px;
}

.hot-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: -0.5px;
}

.hot-badge {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 10px;
  background: linear-gradient(135deg, #f97316, #ef4444);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0;
}

.hot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 16px;
}

.hot-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.hot-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--card-gradient, var(--accent));
  opacity: 0;
  transition: opacity 0.25s;
}

.hot-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--card-gradient, var(--accent));
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}

.hot-card:hover {
  border-color: var(--accent);
  box-shadow: 0 10px 36px rgba(89,97,249,0.15);
  transform: translateY(-3px);
}

.hot-card:hover::before { opacity: 1; }

.hot-card:active { transform: scale(0.98); }

.hot-card .card-icon {
  width: 60px; height: 60px;
  border-radius: 14px;
  font-size: 28px;
  flex-shrink: 0;
}

.hot-card .card-body { flex: 1; min-width: 0; }

.hot-card .card-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 2px;
}

.hot-card .card-company {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.hot-card .card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}

.hot-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.hot-card .card-tag {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 10px;
  background: var(--accent-bg);
  color: var(--accent);
  font-weight: 500;
}

.card-cat-badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 8px;
  background: rgba(249,115,22,0.1);
  color: #f97316;
  font-weight: 600;
  margin-bottom: 5px;
}

/* ===== Tools Grid ===== */
.tools-grid {
  padding: 8px 28px 40px;
}

.cat-section {
  margin-bottom: 10px;
  scroll-margin-top: 80px;
}

.cat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 4px 14px;
}

.cat-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.cat-count {
  font-size: 13px;
  color: var(--text-dim);
}

.cat-more-btn {
  margin-left: auto;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.cat-more-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 6px 20px rgba(89,97,249,0.2);
}

.cat-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
}

.tools-grid-inner {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.tool-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--card-gradient, var(--accent));
  opacity: 0;
  transition: opacity 0.2s;
  border-radius: 4px 0 0 4px;
}

.tool-card:hover {
  border-color: rgba(89,97,249,0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.tool-card:hover::before { opacity: 1; }
.tool-card:active { transform: scale(0.98); }

.card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.card-body { flex: 1; min-width: 0; }

.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--text);
}

.card-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}

.card-cps-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 6px;
  background: linear-gradient(135deg, #f97316, #ef4444);
  color: #fff;
  font-weight: 600;
  flex-shrink: 0;
  letter-spacing: 0.5px;
}

.card-company {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.card-tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--accent-bg);
  color: var(--accent);
  font-weight: 500;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
  grid-column: 1 / -1;
}

.empty-state svg {
  width: 56px; height: 56px;
  margin-bottom: 14px;
  opacity: 0.35;
}

.empty-state p { font-size: 14px; }

/* ===== Detail Page ===== */
.detail-hero {
  border-radius: var(--radius);
  padding: 28px 24px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
  color: #fff;
}

.detail-hero-inner {
  position: relative; z-index: 1;
  display: flex;
  align-items: center;
  gap: 18px;
}

.detail-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  flex-shrink: 0;
  background: rgba(255,255,255,0.15);
}

.detail-hero-text h2 { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.detail-hero-text p { font-size: 13px; opacity: 0.85; }

.detail-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 14px;
}

.detail-section h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
}

.section-icon {
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  flex-shrink: 0;
}

.detail-section p,
.detail-section li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.detail-section ul { list-style: none; padding: 0; }

.detail-section ul li {
  padding: 8px 0 8px 20px;
  position: relative;
  border-bottom: 1px solid var(--border-light);
}

.detail-section ul li:last-child { border-bottom: none; }

.detail-section ul li::before {
  content: '';
  position: absolute;
  left: 2px; top: 16px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text);
}

.platform-icon { font-size: 16px; }

.similar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
  margin-top: 4px;
}

.similar-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
}

.similar-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.similar-card:active { transform: scale(0.96); }
.similar-icon { font-size: 26px; margin-bottom: 6px; display: flex; justify-content: center; }
.similar-name { font-size: 12px; font-weight: 500; color: var(--text); }

.site-footer {
  text-align: center;
  padding: 24px 16px 36px;
  font-size: 13px;
  color: var(--text-dim);
  border-top: 1px solid var(--border-light);
  margin-top: 20px;
}
.site-footer a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.site-footer a:hover { color: var(--accent); }
.site-footer .icp-logo { width: 18px; height: 18px; object-fit: contain; flex-shrink: 0; }

.visit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  margin-top: 20px;
}

.visit-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 20px rgba(89,97,249,0.3);
}

.visit-btn:active { transform: scale(0.98); }

/* ===== CPS / Affiliate ===== */
.cps-section {
  border: 2px solid #f97316;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(249,115,22,0.03), rgba(239,68,68,0.04));
}

.cps-section h3 {
  color: #f97316;
}

.cps-icon {
  background: linear-gradient(135deg, #f97316, #ef4444) !important;
}

.cps-visit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: none;
  background: linear-gradient(135deg, #f97316, #ef4444);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s;
  font-family: inherit;
  box-shadow: 0 4px 16px rgba(249,115,22,0.3);
  letter-spacing: 0.5px;
}

.cps-visit-btn:hover {
  background: linear-gradient(135deg, #ea580c, #dc2626);
  box-shadow: 0 8px 28px rgba(249,115,22,0.4);
  transform: translateY(-1px);
}

.cps-visit-btn:active { transform: scale(0.98); }

.cps-direct-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text-dim);
  font-size: 13px;
  text-decoration: none;
  padding: 8px;
  transition: color 0.2s;
}

.cps-direct-link:hover { color: var(--accent); }

/* ===== Overlay ===== */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 150;
}

.sidebar-overlay.active { display: block; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close { display: flex; }
  .sidebar-overlay.active { display: block; }
  .main-content { margin-left: 0; }
  .menu-btn { display: flex; }
  .hot-section { }
  .hot-grid {
    grid-template-columns: 1fr;
  }
  .hot-card { flex-direction: column; align-items: flex-start; gap: 12px; }
  .hot-card .card-icon { width: 50px; height: 50px; font-size: 24px; }
  .tools-grid {
    padding: 8px 14px 40px;
  }
  .tools-grid-inner {
    grid-template-columns: 1fr;
  }
  .detail-hero-inner { flex-direction: column; text-align: center; }
  .similar-grid { grid-template-columns: repeat(3, 1fr); }
  .top-bar { padding: 12px 14px; }
  .tool-card { flex-direction: column; align-items: flex-start; gap: 10px; }
  .card-icon { width: 42px; height: 42px; font-size: 20px; }
}

@media (min-width: 769px) and (max-width: 1100px) {
  .hot-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid-inner { grid-template-columns: repeat(2, 1fr); }
}