/* ===== Toolso 公共样式 ===== */
:root {
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Tool card hover */
.tool-card {
  transition: transform 250ms var(--ease-out), box-shadow 250ms var(--ease-out), border-color 250ms var(--ease-out);
}
.tool-card:hover { transform: translateY(-4px); }
.tool-card:focus-within {
  box-shadow: 0 0 0 2px #2563eb, 0 12px 24px -4px rgba(0,0,0,0.08);
}

/* Form controls */
.field-input:focus,
.search-input:focus {
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.btn-primary {
  transition: background-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}
.btn-primary:hover { transform: translateY(-1px); }

.category-pill { transition: all 150ms ease; }
.nav-item { transition: background-color 150ms ease, color 150ms ease; }

/* Focus rings */
*:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}
.tool-card *:focus-visible { outline: none; }

/* Sidebar overlay */
.sidebar-overlay { transition: opacity 250ms ease; }

/* Sidebar collapse/expand transitions */
#sidebar { transition: width 300ms var(--ease-out), transform 300ms ease; }
[data-layout-main], .lg\:pl-64 { transition: padding-left 300ms var(--ease-out); }

/* Collapsed state (desktop only, ≥1024px) */
@media (min-width: 1024px) {
  body.sidebar-collapsed #sidebar { width: 4rem; }
  body.sidebar-collapsed #sidebar .sidebar-label { display: none; }
  body.sidebar-collapsed #sidebar .sidebar-header { justify-content: center; padding-left: 0; padding-right: 0; }
  body.sidebar-collapsed #sidebar .nav-item { justify-content: center; padding-left: 0; padding-right: 0; }
  body.sidebar-collapsed #sidebar .sidebar-footer { padding: 0.75rem 0; }
  body.sidebar-collapsed #sidebar .sidebar-toggle-btn { display: flex; }
  body.sidebar-collapsed #sidebar .sidebar-toggle-btn .toggle-text { display: none; }
  body.sidebar-collapsed [data-layout-main] { padding-left: 4rem; }
  body.sidebar-collapsed .lg\:pl-64 { padding-left: 4rem; }
}

/* Sidebar toggle button */
.sidebar-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.625rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  color: #6b7280;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}
.sidebar-toggle-btn:hover {
  background: #f3f4f6;
  color: #111827;
}
.dark .sidebar-toggle-btn { color: #9ca3af; }
.dark .sidebar-toggle-btn:hover { background: #1f2937; color: #f9fafb; }
.sidebar-toggle-btn svg { transition: transform 300ms var(--ease-out); }
body.sidebar-collapsed .sidebar-toggle-btn svg { transform: rotate(180deg); }

/* Back to toolbox link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #2563eb;
  background: #eff6ff;
  border: 1px solid #dbeafe;
  text-decoration: none;
  transition: background-color 150ms ease, border-color 150ms ease;
  margin-bottom: 0.75rem;
}
.back-link:hover { background: #dbeafe; border-color: #bfdbfe; }
.back-link svg { width: 0.875rem; height: 0.875rem; }
.dark .back-link { color: #60a5fa; background: rgba(37,99,235,0.15); border-color: rgba(37,99,235,0.25); }
.dark .back-link:hover { background: rgba(37,99,235,0.25); }

/* Tool page layout — 内容居中，大屏自动避让侧边栏 */
.tool-container {
  width: 100%;
  max-width: 56rem;
  margin: 0 auto;
  padding: 2rem 1rem;
  box-sizing: border-box;
}
.tool-container--wide {
  max-width: 80rem;
}

/* 大屏（≥1024px）侧边栏可见时，main 元素避让侧边栏，内容在剩余空间居中 */
@media (min-width: 1024px) {
  [data-layout-main] {
    padding-left: 16rem;
  }
}

.tool-header {
  margin-bottom: 1.5rem;
}

.field-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  background: #fff;
  color: #111827;
  font-size: 0.875rem;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
.dark .field-input {
  background: #1f2937;
  border-color: #374151;
  color: #f9fafb;
}
.field-input:focus {
  outline: none;
  border-color: #2563eb;
}

textarea.field-input {
  min-height: 140px;
  resize: vertical;
  font-family: 'JetBrains Mono', Menlo, Monaco, Consolas, monospace;
}

/* Sidebar category hover popup */
.category-popup {
  position: fixed;
  z-index: 60;
  width: 220px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  box-shadow: 0 16px 48px -8px rgba(0,0,0,0.15), 0 4px 12px -2px rgba(0,0,0,0.06);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-6px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms;
  pointer-events: none;
}
.dark .category-popup {
  background: #1f2937;
  border-color: #374151;
  box-shadow: 0 16px 48px -8px rgba(0,0,0,0.5), 0 4px 12px -2px rgba(0,0,0,0.3);
}
.category-popup.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
}
.category-popup__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px 10px;
  margin-bottom: 4px;
  border-bottom: 1px solid #f3f4f6;
}
.dark .category-popup__header { border-bottom-color: #374151; }
.category-popup__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.category-popup__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #111827;
}
.dark .category-popup__title { color: #f9fafb; }
.category-popup__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.category-popup__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 0.8125rem;
  color: #4b5563;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 120ms ease, color 120ms ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.category-popup__item:hover,
.category-popup__item:focus {
  background: #eff6ff;
  color: #2563eb;
  outline: none;
}
.dark .category-popup__item { color: #d1d5db; }
.dark .category-popup__item:hover,
.dark .category-popup__item:focus {
  background: rgba(37,99,235,0.15);
  color: #60a5fa;
}
.category-popup__item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.7;
}

/* Special layout for "全部工具" category: 2 columns + scrollable */
.category-popup.is-all {
  width: 380px;
  max-height: 420px;
}
.category-popup.is-all .category-popup__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 8px;
}
.category-popup.is-all .category-popup__item {
  font-size: 0.75rem;
  padding: 5px 6px;
}

/* Result/output box */
.result-box {
  padding: 0.75rem;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  font-family: 'JetBrains Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem;
  word-break: break-all;
  min-height: 60px;
}
.dark .result-box {
  background: #111827;
  border-color: #374151;
  color: #f9fafb;
}

/* Result row + copy button */
.result-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.copy-btn {
  opacity: 1;
  flex-shrink: 0;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  line-height: 1;
  color: #6b7280;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 150ms ease;
}
.copy-btn:hover {
  color: #2563eb;
  border-color: #bfdbfe;
  background: #eff6ff;
}
.dark .copy-btn {
  color: #9ca3af;
  background: #1f2937;
  border-color: #374151;
}
.dark .copy-btn:hover {
  color: #60a5fa;
  border-color: #1e40af;
  background: rgba(37, 99, 235, 0.15);
}
.copy-btn.copied {
  opacity: 1;
  color: #16a34a;
  border-color: #bbf7d0;
  background: #f0fdf4;
}
.dark .copy-btn.copied {
  color: #4ade80;
  border-color: #166534;
  background: rgba(22, 163, 74, 0.15);
}

/* Toast message */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  padding: 0.625rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  color: #fff;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(-10px);
  transition: all 200ms ease;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast.success { background: #16a34a; }
.toast.error { background: #dc2626; }
.toast.info { background: #2563eb; }