/* ============================================================
   Toolziy - Base Theme
   Clean utility-directory design system
   ============================================================ */

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #eff6ff;
  --primary-ring: rgba(37, 99, 235, 0.35);
  --indigo: #4f46e5;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-blue: #f0f7ff;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --text: #111827;
  --text-2: #4b5563;
  --text-3: #9ca3af;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --success: #16a34a;
  --success-soft: #f0fdf4;
  --warning: #d97706;
  --warning-soft: #fffbeb;
  --info: #0891b2;
  --info-soft: #ecfeff;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.05);
  --shadow: 0 4px 14px rgba(17, 24, 39, 0.08);
  --shadow-lg: 0 10px 30px rgba(17, 24, 39, 0.12);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 .5em; line-height: 1.3; color: var(--text); }
p { margin: 0 0 .9em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
hr { border: 0; border-top: 1px solid var(--border); margin: 24px 0; }
code { font-family: var(--mono); font-size: .9em; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; }
pre { font-family: var(--mono); background: #0f172a; color: #e2e8f0; padding: 16px; border-radius: var(--radius); overflow-x: auto; }

/* ---------- Layout ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.row { display: flex; flex-wrap: wrap; margin: 0 -10px; }
.row > [class*="col-"] { padding: 0 10px; }
.middle-xs { align-items: center; }
.center-xs { justify-content: center; }
.col-xs, .col-xs-1, .col-xs-2, .col-xs-3, .col-xs-4, .col-xs-5, .col-xs-6,
.col-xs-7, .col-xs-8, .col-xs-9, .col-xs-10, .col-xs-11, .col-xs-12,
.col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6,
.col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12,
.col-lg-3, .col-lg-4, .col-sm-4 { flex: 0 0 auto; width: 100%; }
.col-xs { flex: 1 1 0; }
.col-xs-1 { width: 8.3333%; } .col-xs-2 { width: 16.6667%; }
.col-xs-3 { width: 25%; } .col-xs-4 { width: 33.3333%; }
.col-xs-5 { width: 41.6667%; } .col-xs-6 { width: 50%; }
.col-xs-7 { width: 58.3333%; } .col-xs-8 { width: 66.6667%; }
.col-xs-9 { width: 75%; } .col-xs-10 { width: 83.3333%; }
.col-xs-11 { width: 91.6667%; } .col-xs-12 { width: 100%; }
@media (min-width: 768px) {
  .col-sm-4 { width: 33.3333%; }
  .hidden-md { display: none !important; }
}
@media (min-width: 992px) {
  .col-md-1 { width: 8.3333%; } .col-md-2 { width: 16.6667%; }
  .col-md-3 { width: 25%; } .col-md-4 { width: 33.3333%; }
  .col-md-5 { width: 41.6667%; } .col-md-6 { width: 50%; }
  .col-md-7 { width: 58.3333%; } .col-md-8 { width: 66.6667%; }
  .col-md-9 { width: 75%; } .col-md-10 { width: 83.3333%; }
  .col-md-11 { width: 91.6667%; } .col-md-12 { width: 100%; }
  .col-md-offset-1 { margin-left: 8.3333%; }
  .col-md-offset-2 { margin-left: 16.6667%; }
  .col-md-offset-3 { margin-left: 25%; }
  .col-md-offset-0 { margin-left: 0; }
  .col-lg-3 { width: 25%; } .col-lg-4 { width: 33.3333%; }
  .col-xs-offset-2 { margin-left: 16.6667%; }
  .col-xs-offset-3 { margin-left: 25%; }
  .hidden-md { display: none !important; }
}
@media (max-width: 991px) {
  .hidden-xs, .hidden-sm { display: none !important; }
}
.hidden { display: none !important; }

/* ---------- Header ---------- */
.page-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.page-header .row { align-items: center; padding: 12px 0; }
.header-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.site-title {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  height: 40px;
  line-height: 1;
}
.site-title img {
  width: auto;
  height: 56px;
  display: block;
}
.nav-container {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
}
.navbar { display: flex; align-items: center; min-height: 40px; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-item > a {
  height: 40px;
  display: flex; align-items: center; padding: 0 16px; border-radius: 8px;
  color: var(--text-2); font-size: 15.5px; font-weight: 600;
}
.nav-item > a:hover { color: var(--primary); background: var(--primary-soft); }
.dropdown-menu {
  position: absolute; top: 100%; left: 0; z-index: 120;
  min-width: 220px; margin-top: 6px; padding: 8px;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  display: none;
}
.nav-item:hover .dropdown-menu { display: block; }
.dropdown-menu::before { content: ""; position: absolute; top: -12px; left: 0; right: 0; height: 12px; }
.dropdown-item { border-radius: 8px; }
.dropdown-item a { display: flex; align-items: center; gap: 8px; padding: 8px 10px; color: var(--text-2); font-size: 14px; }
.dropdown-item a:hover { background: var(--bg-soft); color: var(--primary); }
.dropdown-item i { width: 18px; text-align: center; }
.search-form {
  flex: 0 0 300px;
  display: flex;
  justify-content: flex-end;
  min-width: 260px;
}
.search-form .input-group {
  display: flex;
  width: 100%;
  max-width: 300px;
  min-width: 0;
  height: 40px;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-soft);
}
.search-form input {
  flex: 1 1 auto;
  min-width: 0;
  height: 40px;
  border: 0;
  border-radius: 0;
  padding: 0 14px;
  font-size: 14px;
  outline: none;
  background: transparent;
}
.search-form .input-group:focus-within {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}
.btn-search {
  flex: 0 0 44px;
  width: 44px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-left: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
}
.btn-search:hover { color: var(--primary); }
.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}
.link-search, .link-category, .theme-toggle {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-2);
  padding: 0;
  line-height: 1;
  cursor: pointer;
  font-family: var(--font);
}
.theme-toggle i { font-size: 18px; line-height: 1; }
.link-search:hover, .link-category:hover, .theme-toggle:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-soft);
}
@media (min-width: 992px) {
  .mobile-header-action { display: none !important; }
}

/* ---------- Breadcrumb ---------- */
.breadcrumb-wrap { background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 10px 0; font-size: 13.5px; }
.breadcrumb li { display: flex; align-items: center; gap: 6px; color: var(--text-3); }
.breadcrumb li + li::before { content: "/"; color: var(--border-strong); margin-right: 6px; }
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .active { color: var(--text); font-weight: 500; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 18px; font-size: 14px; font-weight: 500; line-height: 1.4;
  border: 1px solid transparent; border-radius: 8px; cursor: pointer;
  background: transparent; color: var(--text); text-decoration: none;
  transition: all .15s; white-space: nowrap; font-family: var(--font);
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:focus { outline: none; box-shadow: 0 0 0 3px var(--primary-ring); }
.btn-default { background: #fff; border-color: var(--border-strong); color: var(--text-2); }
.btn-default:hover { border-color: var(--primary); color: var(--primary); }
.btn-info { background: var(--info-soft); border-color: #a5f3fc; color: var(--info); }
.btn-info:hover { background: #cffafe; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; color: #fff; }
.btn-danger, .btn-error { background: var(--danger); color: #fff; }
.btn-danger:hover, .btn-error:hover { background: #b91c1c; color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #b45309; color: #fff; }
.btn-copy,
.btn-copy-code,
.btn-copy-result {
  background: var(--warning) !important;
  border-color: var(--warning) !important;
  color: #fff !important;
}
.btn-copy:hover,
.btn-copy-code:hover,
.btn-copy-result:hover {
  background: #b45309 !important;
  border-color: #b45309 !important;
  color: #fff !important;
}
.btn-secondary { background: var(--bg-soft); border-color: var(--border); color: var(--text-2); }
.btn-secondary:hover { border-color: var(--border-strong); color: var(--text); }
.btn-outline { background: #fff; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary-soft); }
.btn-sm { padding: 5px 12px; font-size: 13px; border-radius: 6px; }
.btn-xs { padding: 2px 8px; font-size: 12px; border-radius: 5px; }
.btn-lg { padding: 11px 26px; font-size: 16px; border-radius: 10px; }
.btn-block { display: flex; width: 100%; }
.btn-group, .button-group { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-loading { pointer-events: none; opacity: .7; }
.bg-primary { background: var(--primary) !important; color: #fff; }
.bg-info { background: var(--info-soft) !important; }
.bg-success { background: var(--success-soft) !important; }
.bg-light, .bg-default { background: var(--bg-soft) !important; }
.bg-white { background: #fff !important; }
.bg-gray { background: var(--bg-soft) !important; }
.bg-secondary { background: var(--bg-soft) !important; color: var(--text-2); }
.bg-transparent { background: transparent !important; }

/* ---------- Forms ---------- */
.form-control {
  display: block; width: 100%; padding: 10px 14px; font-size: 14.5px;
  color: var(--text); background: #fff; border: 1px solid var(--border-strong);
  border-radius: 8px; outline: none; transition: border-color .15s, box-shadow .15s;
  font-family: var(--font);
}
textarea.form-control { min-height: 220px; font-family: var(--mono); font-size: 14px; line-height: 1.6; resize: vertical; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-ring); }
.form-control-lg { min-height: 320px; font-size: 15px; }
.form-control-xl { min-height: 420px; font-size: 15px; }
.form-group { margin-bottom: 16px; }
.form-group .row { margin-bottom: 12px; }
.form-group-item-center { align-items: center; }
.control-label, .form-label, .option-label { display: block; font-size: 14px; font-weight: 500; color: var(--text-2); padding: 8px 0; }
.required::after { content: " *"; color: var(--danger); }
.custom-option { display: inline-flex; align-items: center; gap: 6px; margin-right: 16px; font-weight: 400; }
.custom-option input { accent-color: var(--primary); }
.custom-input-item, .custom-input-list { display: flex; flex-wrap: wrap; gap: 6px 12px; }
.custom-input-item label { display: inline-flex; align-items: center; gap: 5px; }
.checkbox-primary { accent-color: var(--primary); }
.input-group { display: flex; align-items: stretch; }
.input-group .form-control { border-radius: 8px 0 0 8px; }
.input-group-append, .input-group-prepend { display: flex; }
.input-group-append .btn, .input-group-prepend .btn { border-radius: 0 8px 8px 0; }
.input-group-lg .form-control { padding: 12px 16px; font-size: 15px; }
.input-group-text { display: flex; align-items: center; padding: 0 14px; background: var(--bg-soft); border: 1px solid var(--border-strong); color: var(--text-2); font-size: 14px; }
.has-error .form-control { border-color: var(--danger); }
.error-ico { display: inline-block; margin-left: 6px; color: var(--danger); font-style: normal; }
.error-ico::before { content: "!"; display: inline-flex; width: 16px; height: 16px; border: 1px solid var(--danger); border-radius: 50%; font-size: 11px; line-height: 14px; text-align: center; }
.text-error, .label-error, .error-text { color: var(--danger); }
.label { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 500; }
.label-success { background: var(--success-soft); color: var(--success); }
.label-info { background: var(--info-soft); color: var(--info); }
.label-error { background: var(--danger-soft); color: var(--danger); }
.label-sm { font-size: 12px; }

/* ---------- Tool page ---------- */
.content-header { padding: 30px 0 8px; }
.tool-title { font-size: 30px; font-weight: 700; letter-spacing: -0.4px; margin: 10px 0 6px; }
.tool-meta { margin: 4px 0 8px; }
.tool-summary { color: var(--text-2); font-size: 15px; max-width: 760px; }
.tool-summary .api-color { color: var(--primary); font-size: 13.5px; margin-top: 8px; }
.tool-summary .api-color a { word-break: break-all; }
.content-container { padding: 18px 0 40px; }
.row-layout { align-items: flex-start; }
.tool-body, .tool-content-container { margin-bottom: 18px; }

/* Tool workspace cards */
.form-control-group {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); height: 100%;
  display: flex; flex-direction: column;
}
.form-control-group-header {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 11px 16px; border-bottom: 1px solid var(--border);
  font-size: 14px; font-weight: 600; background: var(--bg-soft);
}
.form-control-group-header.flexible > span { flex: 1; }
.form-control-group-body { padding: 14px; flex: 1; display: flex; flex-direction: column; }
.form-control-group-body .form-control { flex: 1; }
.form-control-group-footer {
  display: flex; gap: 8px; flex-wrap: wrap;
  padding: 11px 16px; border-top: 1px solid var(--border); background: var(--bg-soft);
}
.form-control-group-footer.text-right { justify-content: flex-end; }
.tool-content-wrap { margin-top: 16px; }
.tool-content-header { font-size: 16px; font-weight: 600; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.result-section, .result-area, .tool-content-result-wrap { margin-top: 16px; }
.result-title { font-size: 15px; font-weight: 600; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.result-content, .text-converted-result { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; font-family: var(--mono); font-size: 14px; word-break: break-all; max-height: 480px; overflow-y: auto; }
.hexcon-results { display: flex; flex-direction: column; gap: 10px; max-height: none; overflow: visible; }
.hexcon-results .input-group-append .btn { min-width: 92px; justify-content: center; }
.md5-results { display: flex; flex-direction: column; gap: 12px; }
.md5-results label { display: flex; flex-direction: column; gap: 6px; margin: 0; }
.md5-results label > span { color: var(--text-2); font-size: 13px; font-weight: 600; }
.md5-results .input-group-append .btn { min-width: 78px; justify-content: center; }
.password-setting-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.password-setting-grid label { display: flex; flex-direction: column; gap: 6px; margin: 0; }
.password-setting-grid label > span { color: var(--text-2); font-size: 13px; font-weight: 600; }
.password-results { font-family: var(--mono); min-height: 360px; resize: vertical; }
.password-summary { color: var(--text-2); font-size: 13px; }
.randomizer-setting-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.randomizer-setting-grid label { display: flex; flex-direction: column; gap: 6px; margin: 0; }
.randomizer-setting-grid label > span { color: var(--text-2); font-size: 13px; font-weight: 600; }
.randomizer-results { font-family: var(--mono); min-height: 360px; resize: vertical; }
.randomizer-summary { color: var(--text-2); font-size: 13px; }
.uuid-setting-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.uuid-setting-grid label { display: flex; flex-direction: column; gap: 6px; margin: 0; }
.uuid-setting-grid label > span { color: var(--text-2); font-size: 13px; font-weight: 600; }
.uuid-results { font-family: var(--mono); min-height: 360px; resize: vertical; }
.uuid-summary { color: var(--text-2); font-size: 13px; }
.timestamp-now-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px; margin-bottom: 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-soft); }
.timestamp-now-bar > div { min-width: 0; }
.timestamp-now-label, .timestamp-now-ms { color: var(--text-2); font-size: 13px; }
.timestamp-now-bar strong { display: inline-block; margin: 0 8px; font-family: var(--mono); font-size: 18px; }
.timestamp-now-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-shrink: 0; }
.timestamp-now-actions .btn { white-space: normal; }
.timestamp-field { display: flex; flex-direction: column; gap: 6px; margin: 0; }
.timestamp-field > span, .timestamp-results label > span { color: var(--text-2); font-size: 13px; font-weight: 600; }
.timestamp-segmented { display: flex; flex-wrap: wrap; gap: 8px; }
.timestamp-segmented label { margin: 0; }
.timestamp-segmented input { margin-right: 5px; }
.timestamp-results { display: flex; flex-direction: column; gap: 12px; }
.timestamp-results label { display: flex; flex-direction: column; gap: 6px; margin: 0; }
.timestamp-results .input-group-append .btn { min-width: 78px; justify-content: center; }
.timestamp-summary { color: var(--text-2); font-size: 13px; }
.no-result, .noresult { color: var(--text-3); text-align: center; padding: 30px 0; }
.muted-param { color: var(--text-3); font-size: 13px; }

/* Code tool option panels */
.code-option-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.code-option-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}
.code-option-heading i { color: var(--primary); }
.code-option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.code-option-field {
  display: grid;
  gap: 6px;
  margin: 0;
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 600;
}
.code-option-section-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 0;
}
.code-option-section {
  padding: 14px 16px 16px;
  border-right: 1px solid var(--border);
}
.code-option-section:last-child { border-right: 0; }
.code-option-section-title {
  margin-bottom: 10px;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 700;
}
.code-option-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.code-option-check {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  margin: 0;
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.45;
  cursor: pointer;
}
.code-option-check input {
  margin: 2px 0 0;
  accent-color: var(--primary);
}
.code-option-check code {
  padding: 1px 5px;
  border-radius: 5px;
}

/* Tool description article */
.tool-desc {
  margin-top: 26px; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px 26px; box-shadow: var(--shadow-sm);
}
.tool-desc-heading { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 600; padding-bottom: 12px; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.tool-desc-heading i { color: var(--primary); }
.tool-desc-body { color: var(--text-2); font-size: 14.5px; line-height: 1.85; }
.tool-desc-body h2, .tool-desc-body h3 { margin-top: 1.2em; color: var(--text); }
.tool-desc-entry { margin-bottom: 10px; }
.tool-desc table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.tool-desc table th, .tool-desc table td { border: 1px solid var(--border); padding: 8px 12px; font-size: 14px; text-align: left; }
.tool-desc table th { background: var(--bg-soft); }

/* ---------- Homepage ---------- */
.hero {
  background: linear-gradient(180deg, var(--bg-blue) 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
  padding: 64px 0 56px;
}
.hero .row { align-items: center; }
.hero-content h2 { font-size: 34px; font-weight: 800; letter-spacing: -0.8px; margin-bottom: 12px; }
.hero-content .lead { font-size: 17px; color: var(--text-2); max-width: 560px; }
.hero-content .hidden-xs { color: var(--text-3); font-size: 14px; }
.category-title {
  display: flex; justify-content: space-between; align-items: center;
  margin: 34px 0 16px; font-size: 20px; font-weight: 700;
}
.category-title > span { display: inline-flex; align-items: center; gap: 8px; }
.category-title > span i { color: var(--primary); }
.category-title .red i { color: var(--danger); }
.category-title a { font-size: 13.5px; font-weight: 500; color: var(--text-3); display: inline-flex; align-items: center; }
.category-title a:hover { color: var(--primary); }

/* Homepage category cards */
.category-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin: 18px 0 8px; }
.category-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 20px; transition: all .18s; display: block; color: var(--text);
}
.category-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); color: var(--text); }
.category-card .category-card-icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); font-size: 20px; margin-bottom: 12px;
}
.category-card h3 { font-size: 16px; font-weight: 600; margin: 0 0 4px; }
.category-card p { font-size: 13.5px; color: var(--text-2); margin: 0; line-height: 1.55; }

/* Tool card grid */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin: 0 0 10px; }
.tool-grid .tool-title { display: block; height: 100%; }
.tool-item {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 16px 18px; height: 100%;
  transition: all .18s;
}
a.tool-title:hover .tool-item { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); }
.tool-item-header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.tool-item-header img { width: 42px; height: 42px; border-radius: 10px; }
.tool-item-header h3 { margin: 0; font-size: 15px; font-weight: 600; }
.tool-item-header h3 > div:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tool-tips { font-size: 12px; color: var(--text-3); font-weight: 400; font-family: var(--mono); }
.tool-item-body p { margin: 0; font-size: 13.5px; color: var(--text-2); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- Category page ---------- */
.category-section { padding: 24px 0 40px; }
.category-info-header {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px 26px; box-shadow: var(--shadow-sm); margin-bottom: 20px;
}
.category-info-title { display: flex; align-items: center; gap: 14px; }
.category-icon-box {
  width: 52px; height: 52px; border-radius: 14px; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); font-size: 24px;
}
.category-info-title h1 { margin: 0; font-size: 26px; font-weight: 700; }
.category-summary { color: var(--text-2); margin-top: 10px; font-size: 14.5px; }
.category-list-text { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 600; margin: 22px 0 12px; color: var(--text); }
.category-list-text i { color: var(--primary); }
.tool-list { display: flex; flex-direction: column; gap: 12px; }
.tool-list .tool-item {
  display: flex; flex-direction: row; align-items: center; gap: 14px;
  padding: 14px 18px; height: auto;
}
.tool-list .tool-item-header { margin: 0; flex: 0 0 auto; }
.tool-list .tool-item-header img { width: 40px; height: 40px; }
.tool-list .tool-item-header h2 { margin: 0; font-size: 15px; font-weight: 600; }
.tool-list .tool-item-header h2 a { color: var(--text); }
.tool-list .tool-item-header h2 a:hover { color: var(--primary); }
.tool-list .tool-item-body { flex: 1; font-size: 13.5px; color: var(--text-2); }
.category-aside { position: relative; }
.aside-box {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 18px; box-shadow: var(--shadow-sm);
}
.aside-box.sticker { position: sticky; top: 84px; }
.aside-box-title { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; padding-bottom: 12px; border-bottom: 1px solid var(--border); margin-bottom: 10px; }
.aside-box-title i { color: var(--warning); }
.recom-tools li a { display: flex; align-items: center; gap: 10px; padding: 8px 6px; border-radius: 8px; color: var(--text-2); font-size: 14px; }
.recom-tools li a:hover { background: var(--bg-soft); color: var(--primary); }
.recom-tools img { width: 40px; height: 40px; border-radius: 8px; }
.recom-tools small { display: block; color: var(--text-3); font-size: 12px; }

/* ---------- Static pages ---------- */
.post-header { padding: 26px 0 14px; }
.post-header.with-bottom-line { border-bottom: 1px solid var(--border); margin-top: 0; }
.post-header h1 { font-size: 28px; font-weight: 700; }
.post-subtitle { color: var(--text-3); font-size: 13.5px; }
.post-entry { padding: 18px 0 30px; max-width: 860px; }
.post-entry h2 { font-size: 19px; margin-top: 22px; }
.post-entry ul { list-style: disc; padding-left: 22px; margin-bottom: 12px; }
.post-entry ol { list-style: decimal; padding-left: 22px; margin-bottom: 12px; }
.post-entry li { margin-bottom: 6px; color: var(--text-2); }
.search-header { padding: 26px 0 14px; border-bottom: 1px solid var(--border); margin-bottom: 18px; background: var(--bg-soft); }
.search-header h1 { font-size: 22px; font-weight: 700; }
.search-header code { color: var(--primary); background: var(--primary-soft); }
.search-meta { color: var(--text-2); font-size: 14px; }

/* ---------- Feedback ---------- */
.feedback-form { padding: 10px 0 30px; max-width: 860px; }
.feedback-success { background: var(--success-soft); border: 1px solid #bbf7d0; border-radius: var(--radius-lg); padding: 20px 24px; margin: 16px 0; }
.feedback-success h2 { color: var(--success); font-size: 18px; }
.feedback-failed { margin: 10px 0; }
.feedback-param { color: var(--text-2); font-size: 14.5px; }

/* ---------- Alerts ---------- */
.alert { padding: 12px 16px; border-radius: var(--radius); border: 1px solid; font-size: 14px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.alert-error { background: var(--danger-soft); border-color: #fecaca; color: var(--danger); }
.alert-warning { background: var(--warning-soft); border-color: #fde68a; color: var(--warning); }
.alert-info { background: var(--info-soft); border-color: #a5f3fc; color: var(--info); }
.alert-success { background: var(--success-soft); border-color: #bbf7d0; color: var(--success); }
.alert-heading { font-weight: 600; }
.alert-link { color: inherit; text-decoration: underline; }

/* ---------- Tables ---------- */
.table { width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 12px; }
.table th, .table td { padding: 10px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.table thead th { background: var(--bg-soft); font-weight: 600; border-bottom: 2px solid var(--border); }
.table-bordered th, .table-bordered td { border: 1px solid var(--border); }
.table-striped tbody tr:nth-child(odd) { background: var(--bg-soft); }
.table-hover tbody tr:hover { background: var(--primary-soft); }
.table-responsive { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.table-responsive .table { margin: 0; }
.list-table, .info-table, .query-table, .ip-table, .ua-table, .oil-table,
.license-table, .history-table, .news-table, .icp-table, .szj-table,
.sha-table, .uuid-table, .password-table, .phone-table {
  width: 100%; border-collapse: collapse; font-size: 14px;
}
.list-table th, .list-table td, .info-table th, .info-table td,
.query-table th, .query-table td, .ip-table th, .ip-table td,
.ua-table th, .ua-table td, .oil-table th, .oil-table td,
.license-table th, .license-table td, .history-table th, .history-table td,
.news-table th, .news-table td, .icp-table th, .icp-table td,
.sha-table th, .sha-table td, .uuid-table th, .uuid-table td,
.password-table th, .password-table td, .phone-table th, .phone-table td {
  padding: 10px 14px; border: 1px solid var(--border); text-align: left;
}
.list-table th, .info-table th, .query-table th, .ip-table th, .ua-table th,
.oil-table th, .license-table th, .history-table th, .news-table th,
.icp-table th, .sha-table th, .uuid-table th, .password-table th, .phone-table th {
  background: var(--bg-soft); font-weight: 600;
}

/* ---------- Misc components ---------- */
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; }
.card-header { padding: 14px 18px; border-bottom: 1px solid var(--border); font-weight: 600; background: var(--bg-soft); }
.card-body { padding: 18px; }
.progress { height: 8px; background: var(--bg-soft); border-radius: 999px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); border-radius: 999px; transition: width .3s; }
.progress-bar-striped { background-image: linear-gradient(45deg, rgba(255,255,255,.2) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.2) 50%, rgba(255,255,255,.2) 75%, transparent 75%, transparent); background-size: 16px 16px; }
.progress-bar-animated { animation: progress-stripes 1s linear infinite; }
@keyframes progress-stripes { from { background-position: 16px 0; } to { background-position: 0 0; } }
.progress-bar-full-width { width: 100%; }
.progress-lg { height: 14px; }
.progress-text { font-size: 13px; color: var(--text-2); margin-top: 6px; }
.tooltip { position: relative; }
.tooltip .tooltip-inner {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: #111827; color: #fff; font-size: 12.5px; padding: 5px 10px;
  border-radius: 6px; white-space: nowrap; display: none; z-index: 200;
}
.tooltip:hover .tooltip-inner { display: block; }
.tooltip .tooltip-arrow {
  position: absolute; bottom: calc(100% + 4px); left: 50%; transform: translateX(-50%);
  border: 5px solid transparent; border-top-color: #111827; display: none; z-index: 201;
}
.tooltip:hover .tooltip-arrow { display: block; }
.modal-header { padding: 14px 18px; border-bottom: 1px solid var(--border); font-weight: 600; }
.uploader-content, .uploader-wrap { border: 2px dashed var(--border-strong); border-radius: var(--radius-lg); padding: 28px 18px; text-align: center; color: var(--text-3); transition: border-color .15s; }
.uploader-content:hover, .uploader-wrap:hover { border-color: var(--primary); color: var(--primary); }
.drop-zone { cursor: pointer; }
.drop-zone.dragover { border-color: var(--primary); background: var(--primary-soft); }
.file-picker { cursor: pointer; }
.filename-preview, .image-file-name, .image-file-size, .image-file-type { font-size: 13px; color: var(--text-2); }
.image-preview, .preview-area, .preview-png { margin: 12px 0; text-align: center; }
.image-preview img, .preview-area img { border: 1px solid var(--border); border-radius: var(--radius); max-width: 100%; }
.image-round-preview img { border-radius: 50%; }
.cheatsheet { display: flex; flex-direction: column; gap: 8px; }
.cheatsheet-wrap, .reference-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.cheatsheet-head { font-size: 16px; font-weight: 600; padding-bottom: 10px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.git-command { font-family: var(--mono); font-size: 14px; color: var(--text); background: var(--bg-soft); padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border); }
.git-description { font-size: 13.5px; color: var(--text-2); }
.http-status-code-group { margin-bottom: 16px; }
.http-status-code-list { display: flex; flex-wrap: wrap; gap: 8px; }
.http-status-code-detail { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; min-width: 140px; }
.http-status-code-detail .code { font-weight: 700; color: var(--primary); font-family: var(--mono); }
.operator, .variable, .function, .class-name, .attr-name, .attr-value, .single-quoted-string, .boolean, .constant, .parameter, .namespace, .property { font-family: var(--mono); }
.token.keyword { color: #7c3aed; }
.token.string, .string, .single-quoted-string, .attr-value { color: #16a34a; }
.token.number, .number { color: #d97706; }
.token.comment, .comment { color: var(--text-3); font-style: italic; }
.keyword { color: #7c3aed; font-weight: 600; }
.function { color: #2563eb; }
.variable { color: #0f766e; }
.operator, .punctuation { color: var(--text-3); }
.pre-content { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 16px; font-family: var(--mono); font-size: 13.5px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }
.raw-text { font-family: var(--mono); }
.namespace { color: #be185d; }
.score-container { display: flex; align-items: center; gap: 14px; padding: 12px 0; }
.score-title { font-size: 14px; color: var(--text-2); }
.score-value { font-size: 22px; font-weight: 700; color: var(--primary); }
.separator { border-top: 1px dashed var(--border); margin: 14px 0; }
.loading-section, .loading-text { color: var(--text-3); text-align: center; padding: 20px 0; font-size: 14px; }
.loading::after { content: "..."; animation: dots 1.2s steps(4, end) infinite; }
@keyframes dots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }
.text-or { color: var(--text-3); text-align: center; margin: 10px 0; font-size: 13px; }
.bx,
.back-top {
  position: fixed;
  right: 22px;
  width: 42px;
  height: 42px;
  line-height: 42px;
  text-align: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--border);
  box-shadow: 0 10px 24px rgba(17, 24, 39, .12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-2);
  cursor: pointer;
  z-index: 90;
  opacity: 1;
  transition: transform .16s, color .16s, background .16s, border-color .16s, box-shadow .16s;
}
.bx-share { bottom: 144px; }
.bx-qrcode { bottom: 92px; }
.bx-top,
.back-top { bottom: 40px; }
.bx i,
.back-top i {
  font-size: 18px;
  line-height: 1;
  vertical-align: -2px;
}
.bx:hover,
.back-top:hover {
  color: var(--primary);
  background: var(--primary-soft);
  border-color: rgba(37, 99, 235, .24);
  box-shadow: 0 12px 28px rgba(37, 99, 235, .16);
  transform: translateY(-2px);
}
.bx:focus-visible,
.back-top:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-ring), 0 10px 24px rgba(17, 24, 39, .12);
}
.toast-container { position: fixed; top: 80px; right: 20px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast-container > div { background: #111827; color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 14px; box-shadow: var(--shadow-lg); animation: toast-in .25s; }
@keyframes toast-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 8px !important; }
.mt-2 { margin-top: 16px !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 8px !important; }
.mb-2 { margin-bottom: 16px !important; }
.ml-1 { margin-left: 8px !important; }
.ml-2 { margin-left: 16px !important; }
.mr-1 { margin-right: 8px !important; }
.me-2 { margin-right: 16px !important; }
.ms-2 { margin-left: 16px !important; }
.p-3 { padding: 16px !important; }
.pa-0 { padding: 0 !important; }
.pt-1 { padding-top: 8px !important; }
.pb-1 { padding-bottom: 8px !important; }
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-muted { color: var(--text-3) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-white { color: #fff !important; }
.text-lg { font-size: 17px !important; }
.text-size { font-size: 15px !important; }
.font-normal { font-weight: 400 !important; }
.font-size-lg { font-size: 17px !important; }
.text-nowrap { white-space: nowrap; }
.text-ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.red, .redtxt { color: var(--danger) !important; }
.blue { color: var(--primary) !important; }
.gray { color: var(--text-3) !important; }
.monospace { font-family: var(--mono); }
.flexible { flex: 1; }
.relative { position: relative; }
.block { display: block; }
.underline { text-decoration: underline; }
.t-big-margin { margin-top: 24px; }
.t-mini-padding { padding: 4px; }
.b-mini-padding { padding: 4px; }
.b-mini-margin { margin-bottom: 4px; }
.b-small-padding { padding: 8px; }
.small-btn { padding: 3px 10px; font-size: 12.5px; }
.ws-pre { white-space: pre; }
.img-responsive { display: block; max-width: 100%; height: auto; }
.disc { list-style: disc; padding-left: 22px; }
.border-all { border: 1px solid var(--border); }
.rounded { border-radius: 8px; }
.link-default { color: var(--text-2); }
.link-default:hover { color: var(--primary); }
.link-muted { color: var(--text-3); }
.link-muted:hover { color: var(--primary); }
.link-primary { color: var(--primary); }
.scroll-to { cursor: pointer; }
.striped tr:nth-child(odd) { background: var(--bg-soft); }
.position-btn { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.option-wrap, .format-option-wrap, .form-control-options { display: flex; gap: 12px; flex-wrap: wrap; margin: 10px 0; }
.option-wrap label, .format-option-wrap label, .form-control-options label { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-2); cursor: pointer; }
.setting-item, .setting-item2, .setting-option2, .custom-input-item label { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-2); }
.obfuscate-setting { display: flex; gap: 16px; flex-wrap: wrap; margin: 12px 0; }
.obfuscate-ins { font-size: 13px; color: var(--text-3); }
.input-group-text { white-space: nowrap; }

/* ---------- Footer ---------- */
.page-footer { background: var(--bg-soft); margin-top: 0; }
.footer-main { padding: 40px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
@media (max-width: 767px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .site-title img { width: 196px; height: auto; margin-bottom: 10px; }
.footer-brand p { font-size: 13.5px; color: var(--text-2); max-width: 360px; }
.footer-col h3 { font-size: 14px; font-weight: 600; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--text); }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { font-size: 14px; color: var(--text-2); }
.footer-col ul a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--border); padding: 16px 0; background: rgba(255,255,255,.28); font-size: 13px; color: var(--text-3); text-align: center; }
.footer-bottom a { color: var(--text-2); }
.footer-bottom a:hover { color: var(--primary); }

/* ---------- Toolziy Home Refresh ---------- */
:root {
  --primary: #116466;
  --primary-hover: #0b4f50;
  --primary-soft: #e4f0ee;
  --primary-ring: rgba(17, 100, 102, 0.24);
  --bg: #f7f6f1;
  --bg-soft: #eeece3;
  --bg-blue: #e7f0ee;
  --border: #ddd8ca;
  --border-strong: #c9c2b1;
  --text: #1e2422;
  --text-2: #5c615d;
  --text-3: #8f918a;
  --danger: #c2410c;
  --warning: #c37a2c;
  --info: #2d6f88;
  --info-soft: #ecf6f8;
  --radius: 8px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(23, 33, 31, 0.05);
  --shadow: 0 6px 18px rgba(23, 33, 31, 0.08);
  --shadow-lg: 0 14px 34px rgba(23, 33, 31, 0.12);
}

:root[data-theme="dark"] {
  --primary: #4db6ac;
  --primary-hover: #6ad3c8;
  --primary-soft: #123532;
  --primary-ring: rgba(77, 182, 172, 0.28);
  --bg: #121513;
  --bg-soft: #1b211f;
  --bg-blue: #162421;
  --border: #2d3632;
  --border-strong: #44504a;
  --text: #eef2ed;
  --text-2: #c0c9c2;
  --text-3: #8f9b93;
  --danger: #f97316;
  --danger-soft: #3a2117;
  --success: #4ade80;
  --success-soft: #173321;
  --warning: #d6a05b;
  --warning-soft: #372819;
  --info: #67c7df;
  --info-soft: #162f36;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 16px 38px rgba(0, 0, 0, 0.36);
}

body { background: var(--bg); }
.page-header { background: rgba(247, 248, 245, 0.94); }
.home-main { background: var(--bg); }
.home-hero {
  padding: 30px 0 22px;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(17, 100, 102, 0.10), rgba(195, 122, 44, 0.08)),
    linear-gradient(180deg, #fbfaf5 0%, #f7f6f1 100%);
}
.home-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, .72fr);
  gap: 18px;
  align-items: center;
}
.home-kicker {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.home-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: 42px;
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: 0;
}
.home-lead {
  max-width: 720px;
  margin: 12px 0 0;
  color: var(--text-2);
  font-size: 17px;
  line-height: 1.7;
}
.home-hero-visual {
  align-items: center;
  display: flex;
  justify-content: flex-end;
}
.home-hero-visual img {
  display: block;
  width: min(100%, 390px);
  height: auto;
}
.home-panel-title,
.home-section-head,
.home-group-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.home-panel-title span,
.home-directory-title {
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
}
.home-panel-title a,
.home-group-head a {
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
}
.home-category-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 14px;
}
.home-category-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 600;
}
.home-category-list a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}
.home-category-list i {
  width: 22px;
  text-align: center;
  color: var(--warning);
}
.home-section { padding: 34px 0; }
.home-section-muted {
  background: #fff;
  border-top: 1px solid var(--border);
}
body[data-id="home-index"] .page-footer { margin-top: 0; }
.home-section-head { margin-bottom: 16px; }
.home-section-head p {
  margin: 0 0 2px;
  color: var(--warning);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.home-section-head h2,
.home-group-head h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
}
.home-directory {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}
.home-directory-nav {
  position: sticky;
  top: 82px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
}
.home-directory-title {
  padding: 2px 8px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
.home-directory-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-radius: 7px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 600;
}
.home-directory-nav a:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.home-directory-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.home-tool-group {
  scroll-margin-top: 86px;
}
.home-group-head {
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.home-group-head h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 19px;
}
.home-group-head h2 i { color: var(--primary); }
.home-tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
}
.home-tool-grid-featured {
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
}
.tool-card {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 18px;
  gap: 12px;
  align-items: center;
  min-height: 86px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.tool-card:hover {
  color: var(--text);
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}
.tool-card-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--primary-soft);
}
.tool-card-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}
.tool-card-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.tool-card-main strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
  font-size: 14.5px;
  font-weight: 700;
}
.tool-card-main small {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-2);
  font-size: 12.8px;
  line-height: 1.45;
}
.tool-card > i {
  color: var(--text-3);
  font-size: 18px;
}
.tool-card:hover > i { color: var(--primary); }

:root[data-theme="dark"] body { background: var(--bg); color: var(--text); }
:root[data-theme="dark"] .page-header { background: rgba(18, 21, 19, 0.94); }
:root[data-theme="dark"] .dropdown-menu,
:root[data-theme="dark"] .form-control,
:root[data-theme="dark"] .form-control-group,
:root[data-theme="dark"] .tool-desc,
:root[data-theme="dark"] .category-card,
:root[data-theme="dark"] .tool-item,
:root[data-theme="dark"] .category-info-header,
:root[data-theme="dark"] .aside-box,
:root[data-theme="dark"] .card,
:root[data-theme="dark"] .cheatsheet-wrap,
:root[data-theme="dark"] .reference-wrap,
:root[data-theme="dark"] .home-directory-nav,
:root[data-theme="dark"] .home-category-list a,
:root[data-theme="dark"] .tool-card,
:root[data-theme="dark"] .code-option-panel,
:root[data-theme="dark"] .bx,
:root[data-theme="dark"] .back-top,
:root[data-theme="dark"] .popup-container {
  background: #181d1a;
  border-color: var(--border);
}
:root[data-theme="dark"] .code-option-heading {
  background: var(--bg-soft);
  border-color: var(--border);
}
:root[data-theme="dark"] .code-option-section {
  border-color: var(--border);
}
:root[data-theme="dark"] .category-info-header[style] {
  background: #181d1a !important;
}
:root[data-theme="dark"] .btn-default,
:root[data-theme="dark"] .btn-outline,
:root[data-theme="dark"] .bg-white,
:root[data-theme="dark"] .link-search,
:root[data-theme="dark"] .link-category,
:root[data-theme="dark"] .theme-toggle {
  background: #181d1a !important;
  border-color: var(--border);
  color: var(--text-2);
}
:root[data-theme="dark"] .link-search:hover,
:root[data-theme="dark"] .link-category:hover,
:root[data-theme="dark"] .theme-toggle:hover,
:root[data-theme="dark"] .btn-default:hover,
:root[data-theme="dark"] .btn-outline:hover {
  background: var(--primary-soft) !important;
  border-color: var(--primary);
  color: var(--primary);
}
:root[data-theme="dark"] .search-form .input-group {
  background: #181d1a;
  border-color: var(--border-strong);
}
:root[data-theme="dark"] .search-form .input-group:focus-within {
  background: #1d231f;
}
:root[data-theme="dark"] .home-hero {
  background:
    linear-gradient(135deg, rgba(77, 182, 172, 0.14), rgba(214, 160, 91, 0.11)),
    linear-gradient(180deg, #171c19 0%, #121513 100%);
}
:root[data-theme="dark"] .home-section-muted,
:root[data-theme="dark"] .page-footer {
  background: #181d1a;
}
:root[data-theme="dark"] .footer-bottom {
  background: rgba(12, 15, 13, .28);
}
:root[data-theme="dark"] .result-content,
:root[data-theme="dark"] .text-converted-result,
:root[data-theme="dark"] .pre-content,
:root[data-theme="dark"] code,
:root[data-theme="dark"] .git-command,
:root[data-theme="dark"] .input-group-text {
  background: var(--bg-soft);
  border-color: var(--border);
  color: var(--text);
}
:root[data-theme="dark"] .tool-card-icon,
:root[data-theme="dark"] .category-card .category-card-icon,
:root[data-theme="dark"] .category-icon-box {
  background: var(--primary-soft);
}

@media (max-width: 991px) {
  .home-hero-grid,
  .home-directory {
    grid-template-columns: 1fr;
  }
  .home-hero-grid {
    gap: 14px;
  }
  .home-hero-visual {
    justify-content: center;
  }
  .row-layout {
    row-gap: 16px;
  }
  .code-option-section-grid {
    grid-template-columns: 1fr;
  }
  .code-option-section {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .code-option-section:last-child {
    border-bottom: 0;
  }
  .home-directory-nav {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .home-directory-title {
    grid-column: 1 / -1;
  }
}

@media (min-width: 641px) {
  body[data-id="home-index"] .page-header .search-form {
    display: flex !important;
  }
  body[data-id="home-index"] .mobile-header-action.link-search {
    display: none !important;
  }
}

@media (max-width: 640px) {
  .container { padding: 0 14px; }
  .header-inner {
    min-height: 58px;
    gap: 12px;
  }
  .site-title img {
    width: min(240px, calc(100vw - 150px));
    height: auto;
    max-height: 50px;
  }
  .home-hero { padding: 24px 0 20px; }
  .home-hero h1 { font-size: 30px; }
  .home-lead { font-size: 15px; }
  .home-hero-visual img { width: min(100%, 320px); }
  .code-option-grid {
    grid-template-columns: 1fr;
  }
  .home-directory-nav,
  .home-tool-grid,
  .home-tool-grid-featured {
    grid-template-columns: 1fr;
  }
  .timestamp-now-bar {
    align-items: stretch;
    flex-direction: column;
  }
  .timestamp-now-bar strong {
    display: block;
    margin: 4px 0;
  }
  .timestamp-now-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }
  .timestamp-now-actions .btn {
    justify-content: center;
    min-width: 0;
    width: 100%;
  }
  .timestamp-now-actions .ml-1 {
    margin-left: 0;
  }
}