/* ================================================================
   utoline Design System v2 — "wonderful, extraordinary" polish pass
   ================================================================ */
:root{
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Manrope", var(--font-sans);
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --color-bg: #ffffff;
  --color-bg-subtle: #f6f7fb;
  --color-bg-tint: #f0f1fb;
  --color-surface: #ffffff;
  --color-border: #e6e7f0;
  --color-border-strong: #d5d7e6;
  --color-text: #14151f;
  --color-text-muted: #565a6e;
  --color-text-faint: #8a8ea3;

  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-primary-light: #eef0ff;
  --color-accent: #14b8a6;
  --color-accent-light: #e6fbf8;

  --grad-brand: linear-gradient(135deg, #6366f1 0%, #4f46e5 45%, #7c3aed 100%);
  --grad-accent: linear-gradient(135deg, #14b8a6 0%, #4f46e5 100%);
  --grad-mesh: radial-gradient(circle at 12% 22%, rgba(37,99,235,0.14), transparent 40%),
               radial-gradient(circle at 82% 12%, rgba(219,39,119,0.12), transparent 38%),
               radial-gradient(circle at 92% 65%, rgba(217,119,6,0.12), transparent 38%),
               radial-gradient(circle at 45% 92%, rgba(22,163,74,0.10), transparent 42%),
               radial-gradient(circle at 8% 80%, rgba(124,58,237,0.12), transparent 40%);

  --color-success: #0f766e;
  --color-success-bg: #ecfdf5;
  --color-error: #b91c1c;
  --color-error-bg: #fef2f2;
  --color-focus: #4f46e5;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-xs: 0 1px 2px rgba(20,21,31,0.05);
  --shadow-sm: 0 2px 8px rgba(20,21,31,0.06);
  --shadow-md: 0 8px 24px rgba(20,21,31,0.08);
  --shadow-lg: 0 20px 48px rgba(20,21,31,0.14);
  --shadow-glow: 0 0 0 1px rgba(79,70,229,0.08), 0 12px 32px rgba(79,70,229,0.14);
  --max-width: 1180px;
  --ease: cubic-bezier(.2,.8,.2,1);
}

[data-theme="dark"]{
  --color-bg: #0b0c11;
  --color-bg-subtle: #131420;
  --color-bg-tint: #171a2c;
  --color-surface: #161825;
  --color-border: #262a3d;
  --color-border-strong: #33384f;
  --color-text: #f1f2f8;
  --color-text-muted: #a6abc2;
  --color-text-faint: #6f7590;

  --color-primary: #8b87f7;
  --color-primary-hover: #a6a3fa;
  --color-primary-light: #201f3d;
  --color-accent: #2dd4bf;
  --color-accent-light: #0d2b28;

  --grad-mesh: radial-gradient(circle at 12% 22%, rgba(96,165,250,0.16), transparent 40%),
               radial-gradient(circle at 82% 12%, rgba(244,114,182,0.14), transparent 38%),
               radial-gradient(circle at 92% 65%, rgba(251,191,36,0.12), transparent 38%),
               radial-gradient(circle at 45% 92%, rgba(74,222,128,0.12), transparent 42%),
               radial-gradient(circle at 8% 80%, rgba(167,139,250,0.16), transparent 40%);

  --color-success: #34d399;
  --color-success-bg: #0d2b25;
  --color-error: #f87171;
  --color-error-bg: #2c1414;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.35);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.35);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.45);
  --shadow-lg: 0 20px 48px rgba(0,0,0,0.55);
  --shadow-glow: 0 0 0 1px rgba(139,135,247,0.18), 0 12px 32px rgba(139,135,247,0.18);
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

*{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img{ max-width: 100%; display: block; }
a{ color: var(--color-primary); text-decoration: none; transition: color .15s var(--ease); }
a:hover{ text-decoration: underline; }
h1,h2,h3,h4{ font-family: var(--font-display); line-height: 1.2; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 .5em; color: var(--color-text); }
h1{ font-size: clamp(2rem, 1.5rem + 2.2vw, 3.25rem); }
h2{ font-size: clamp(1.5rem, 1.2rem + 1.1vw, 2.1rem); }
h3{ font-size: 1.2rem; font-weight: 700; }
p{ margin: 0 0 1em; color: var(--color-text); }
.container{ max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.visually-hidden{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
:focus-visible{ outline: 3px solid var(--color-focus); outline-offset: 2px; border-radius: 4px; }
.skip-link{ position:absolute; left:8px; top:-48px; background:var(--color-primary); color:#fff; padding:10px 16px; border-radius: var(--radius-sm); z-index:200; transition: top .15s; }
.skip-link:focus{ top:8px; }
::selection{ background: var(--color-primary); color:#fff; }

/* ===== Header ===== */
.site-header{ position: sticky; top:0; z-index: 100; background: color-mix(in srgb, var(--color-bg) 88%, transparent); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--color-border); }
.site-header .container{ display:flex; align-items:center; justify-content:space-between; gap:20px; height:68px; }
.logo{ display:flex; align-items:center; gap:9px; font-family: var(--font-display); font-weight:800; font-size:1.2rem; color: var(--color-text); letter-spacing:-0.02em; }
.logo:hover{ text-decoration:none; }
.logo-mark{ width:32px; height:32px; border-radius:9px; background: var(--grad-brand); display:flex; align-items:center; justify-content:center; color:#fff; font-weight:800; font-size:.95rem; flex-shrink:0; box-shadow: 0 4px 12px rgba(79,70,229,.35); }
.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{ position:relative; color: var(--color-text-muted); font-weight:600; font-size:.94rem; padding: 6px 0; }
.main-nav a::after{ content:''; position:absolute; left:0; right:0; bottom:0; height:2px; background: var(--grad-brand); transform: scaleX(0); transform-origin:left; transition: transform .2s var(--ease); border-radius:2px; }
.main-nav a:hover{ color: var(--color-text); text-decoration:none; }
.main-nav a:hover::after{ transform: scaleX(1); }
.header-actions{ display:flex; align-items:center; gap:10px; }
.icon-btn{ display:inline-flex; align-items:center; justify-content:center; width:40px; height:40px; border-radius: var(--radius-sm); border:1px solid var(--color-border); background: var(--color-surface); color: var(--color-text-muted); cursor:pointer; transition: all .15s var(--ease); }
.icon-btn:hover{ color: var(--color-primary); border-color: var(--color-primary); transform: translateY(-1px); box-shadow: var(--shadow-xs); }
.menu-toggle{ display:none; }
.nav-search-trigger{ display:flex; align-items:center; gap:10px; border:1px solid var(--color-border); background: var(--color-bg-subtle); border-radius: 999px; padding:9px 16px; color: var(--color-text-faint); font-size:.88rem; cursor:pointer; min-width: 220px; transition: all .15s var(--ease); }
.nav-search-trigger:hover{ border-color: var(--color-primary); color: var(--color-text-muted); box-shadow: var(--shadow-xs); }
.nav-search-trigger kbd{ margin-left:auto; font-size:.72rem; border:1px solid var(--color-border-strong); border-radius:4px; padding:1px 6px; font-family: var(--font-mono); }

.mobile-nav{ display:none; position:fixed; inset:0; background: rgba(10,10,16,.5); backdrop-filter: blur(2px); z-index:150; }
.mobile-nav.open{ display:block; animation: fadeIn .18s var(--ease); }
.mobile-nav-panel{ position:absolute; top:0; right:0; width:min(320px,88vw); height:100%; background: var(--color-surface); padding:24px; overflow-y:auto; box-shadow: var(--shadow-lg); animation: slideIn .22s var(--ease); }
.mobile-nav-panel a{ display:block; padding:14px 4px; color: var(--color-text); font-weight:700; font-family: var(--font-display); border-bottom:1px solid var(--color-border); }
.mobile-nav-close{ float:right; background:none; border:none; font-size:1.6rem; cursor:pointer; color: var(--color-text-muted); }
@keyframes slideIn{ from{ transform: translateX(24px); opacity:0; } to{ transform:none; opacity:1; } }
@keyframes fadeIn{ from{ opacity:0; } to{ opacity:1; } }

@media (max-width: 860px){
  .main-nav{ display:none; }
  .nav-search-trigger span, .nav-search-trigger kbd{ display:none; }
  .nav-search-trigger{ min-width:auto; padding:9px; border-radius: var(--radius-sm); }
  .menu-toggle{ display:inline-flex; }
}

/* ===== Search overlay ===== */
.search-overlay{ display:none; position:fixed; inset:0; background: rgba(8,8,14,.55); backdrop-filter: blur(4px); z-index:200; padding-top:8vh; }
.search-overlay.open{ display:block; animation: fadeIn .15s var(--ease); }
.search-panel{ max-width:640px; margin:0 auto; background: var(--color-surface); border:1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding:22px; max-height:78vh; display:flex; flex-direction:column; animation: slideDown .2s var(--ease); }
@keyframes slideDown{ from{ transform: translateY(-12px); opacity:0; } to{ transform:none; opacity:1; } }
.search-input-row{ display:flex; align-items:center; gap:12px; border:1px solid var(--color-border); border-radius: var(--radius-md); padding:12px 16px; background: var(--color-bg-subtle); }
.search-input-row input{ border:none; outline:none; background:none; font-size:1.05rem; flex:1; color: var(--color-text); font-family: var(--font-sans); }
.search-results{ margin-top:14px; overflow-y:auto; }
.search-result{ display:block; padding:13px 12px; border-radius: var(--radius-sm); transition: background .12s; }
.search-result:hover, .search-result.active{ background: var(--color-primary-light); text-decoration:none; }
.search-result-name{ font-weight:700; color: var(--color-text); }
.search-result-meta{ font-size:.85rem; color: var(--color-text-faint); }
.search-empty{ color: var(--color-text-faint); padding:24px 10px; text-align:center; }

/* ===== Buttons & Inputs ===== */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:7px; padding:11px 20px; border-radius: var(--radius-sm); font-weight:700; font-size:.92rem; cursor:pointer; border:1px solid transparent; font-family: var(--font-sans); transition: all .16s var(--ease); }
.btn-primary{ background: var(--grad-brand); color:#fff; box-shadow: 0 4px 14px rgba(79,70,229,.3); }
.btn-primary:hover{ transform: translateY(-1px); box-shadow: 0 8px 22px rgba(79,70,229,.4); }
.btn-primary:active{ transform: translateY(0); }
.btn-ghost{ background: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
.btn-ghost:hover{ border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-1px); box-shadow: var(--shadow-xs); }
.btn-lg{ padding:15px 30px; font-size:1.02rem; border-radius: var(--radius-md); }
.btn.copied{ background: var(--color-success); color:#fff; border-color: var(--color-success); }

.input, .textarea, .select{
  width:100%; padding:12px 15px; border:1.5px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface); color: var(--color-text); font-family: var(--font-sans); font-size:.96rem;
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.input:focus, .textarea:focus, .select:focus{ border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-light); outline:none; }
.textarea{ resize: vertical; font-family: var(--font-sans); }
.textarea.code, .input.code{ font-family: var(--font-mono); font-size:.88rem; }
.input-narrow{ max-width:110px; }
.range{ width:100%; accent-color: var(--color-primary); }
.field-label{ display:block; font-weight:700; font-size:.87rem; margin: 16px 0 7px; color: var(--color-text); }
.field-label:first-child{ margin-top:0; }
.field-inline{ display:flex; align-items:center; gap:8px; font-weight:700; font-size:.9rem; }
.check{ display:inline-flex; align-items:center; gap:7px; font-size:.9rem; color: var(--color-text-muted); margin: 4px 16px 4px 0; cursor:pointer; }
.check input{ accent-color: var(--color-primary); }
.hint{ font-size:.85rem; color: var(--color-text-faint); margin: 8px 0 0; }

.toolbar{ display:flex; align-items:center; gap:10px; margin: 18px 0; flex-wrap: nowrap; }
.toolbar-wrap{ flex-wrap: wrap; }
.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap:16px; }
@media (max-width:640px){ .grid-2, .grid-3{ grid-template-columns:1fr; } }

/* ===== Tool shell ===== */
.tool-page-header{ padding: 36px 0 8px; }
.breadcrumb{ font-size:.85rem; color: var(--color-text-faint); margin-bottom:16px; }
.breadcrumb a{ color: var(--color-text-faint); }
.breadcrumb a:hover{ color: var(--color-primary); }
.tool-lede{ color: var(--color-text-muted); font-size:1.08rem; max-width: 720px; }
.cat-pill{ display:inline-flex; align-items:center; gap:6px; background: color-mix(in srgb, var(--cat-color, var(--color-primary)) 12%, transparent); color: var(--cat-color, var(--color-primary)); font-weight:700; font-size:.78rem; padding:6px 13px; border-radius:999px; margin-bottom:14px; }
.tool-panel{ position:relative; background: var(--color-surface); border:1px solid var(--color-border); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-md); margin: 22px 0 36px; overflow:hidden; }
.tool-panel::before{ content:''; position:absolute; top:0; left:0; right:0; height:4px; background: var(--cat-color, var(--color-primary)); }
@media (max-width:640px){ .tool-panel{ padding:18px; } }

.stats-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr)); gap:12px; margin-top:20px; }
.stats-grid-wide{ grid-template-columns: 1fr; }
.stat{ background: var(--color-bg-subtle); border:1px solid var(--color-border); border-radius: var(--radius-md); padding:16px; text-align:center; transition: transform .15s var(--ease), box-shadow .15s var(--ease); }
.stat:hover{ transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.stat-wide{ text-align:left; }
.stat-value{ display:block; font-family: var(--font-display); font-size:1.5rem; font-weight:800; color: var(--color-text); word-break:break-word; }
.stat-label{ font-size:.76rem; color: var(--color-text-faint); text-transform:uppercase; letter-spacing:.04em; font-weight:600; }
.hash-value{ display:block; font-family: var(--font-mono); font-size:.82rem; word-break:break-all; color: var(--color-text); margin-top:4px; }

.result-box{ background: var(--color-primary-light); border:1px solid color-mix(in srgb, var(--color-primary) 25%, transparent); border-radius: var(--radius-md); padding:18px; margin-top:18px; font-size:1.05rem; }
.alert{ padding:13px 17px; border-radius: var(--radius-md); font-size:.9rem; margin: 14px 0; font-weight:500; }
.alert-error{ background: var(--color-error-bg); color: var(--color-error); }
.alert-success{ background: var(--color-success-bg); color: var(--color-success); }

.tab-group{ display:flex; gap:6px; margin-bottom:18px; flex-wrap:wrap; border-bottom:1px solid var(--color-border); padding-bottom:0; }
.tab{ background:none; border:none; padding:11px 4px; margin-right:20px; font-weight:700; color: var(--color-text-faint); cursor:pointer; border-bottom:2px solid transparent; font-family: var(--font-sans); font-size:.94rem; transition: color .15s; }
.tab:hover{ color: var(--color-text); }
.tab.active{ color: var(--color-primary); border-bottom-color: var(--color-primary); }

.regex-row{ display:flex; align-items:center; gap:6px; }
.regex-slash{ color: var(--color-text-faint); font-family: var(--font-mono); }
.highlight-box{ background: var(--color-bg-subtle); border:1px solid var(--color-border); border-radius: var(--radius-md); padding:16px; font-family: var(--font-mono); font-size:.88rem; white-space:pre-wrap; word-break:break-word; min-height:60px; }
.highlight-box mark{ background: #fde68a; color:#14161c; border-radius:3px; padding:0 1px; }

.password-row{ display:flex; gap:8px; }
.password-row .input{ flex:1; }
.strength-meter{ height:9px; background: var(--color-bg-subtle); border-radius:999px; overflow:hidden; margin-top:16px; }
.strength-bar{ height:100%; width:0; background: var(--color-error); border-radius:999px; transition: width .25s var(--ease), background .25s var(--ease); }
.strength-bar.weak{ background: var(--color-error); }
.strength-bar.fair{ background:#d97706; }
.strength-bar.good{ background:#65a30d; }
.strength-bar.strong{ background: var(--color-success); }
.strength-label{ font-weight:800; margin: 10px 0; font-family: var(--font-display); }
.checklist{ list-style:none; padding:0; margin:8px 0; display:grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap:5px; }
.checklist li{ font-size:.88rem; padding:3px 0; }
.checklist li.pass{ color: var(--color-success); font-weight:600; }
.checklist li.fail{ color: var(--color-text-faint); }

.dropzone{ border:2px dashed var(--color-border-strong); border-radius: var(--radius-lg); padding:48px 20px; text-align:center; cursor:pointer; color: var(--color-text-muted); transition: all .18s var(--ease); background: var(--color-bg-subtle); }
.dropzone:hover, .dropzone.dragover{ border-color: var(--color-primary); background: var(--color-primary-light); transform: scale(1.005); }
.dropzone .link-text{ color: var(--color-primary); font-weight:700; }
.compare-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-top:18px; }
@media (max-width:640px){ .compare-grid{ grid-template-columns:1fr; } }
.compare-col{ text-align:center; }
.preview-img{ max-width:100%; border-radius: var(--radius-md); border:1px solid var(--color-border); background: var(--color-bg-subtle); }
.crop-stage{ position:relative; margin-top:18px; max-width:100%; display:inline-block; user-select:none; }
.crop-stage img{ max-width:100%; display:block; border-radius: var(--radius-md); }
.crop-box{ position:absolute; border:2px solid var(--color-primary); background: rgba(79,70,229,0.15); cursor:move; }
.crop-handle{ position:absolute; width:14px; height:14px; background: var(--color-primary); border-radius:50%; right:-7px; bottom:-7px; cursor:se-resize; box-shadow: 0 0 0 3px #fff; }
.color-picker-row{ display:flex; align-items:center; gap:16px; margin-bottom: 6px; }
.color-swatch-input{ width:64px; height:64px; border:none; border-radius: var(--radius-md); padding:0; cursor:pointer; }
.color-preview{ flex:1; height:64px; border-radius: var(--radius-md); border:1px solid var(--color-border); box-shadow: var(--shadow-xs); }
.file-list{ list-style:none; padding:0; margin:14px 0; }
.file-list li{ padding:10px 14px; background: var(--color-bg-subtle); border:1px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom:7px; display:flex; justify-content:space-between; align-items:center; font-size:.9rem; }
.btn-remove{ background:none; border:none; color: var(--color-error); cursor:pointer; font-size:.82rem; font-weight:700; }
.serp-preview{ padding:18px; border-radius: var(--radius-md); background: var(--color-bg-subtle); border:1px solid var(--color-border); font-family: arial, sans-serif; }
.serp-preview .serp-url{ color:#1a0dab; font-size:.8rem; }
[data-theme="dark"] .serp-preview .serp-url{ color:#8ab4f8; }
.serp-preview .serp-title{ color:#1a0dab; font-size:1.15rem; margin:2px 0; }
[data-theme="dark"] .serp-preview .serp-title{ color:#8ab4f8; }
.serp-preview .serp-desc{ color:#4d5156; font-size:.88rem; }
[data-theme="dark"] .serp-preview .serp-desc{ color:#bdc1c6; }
.serp-preview.serp-mobile{ max-width:360px; }
.qr-canvas-wrap{ margin-top:18px; display:flex; justify-content:center; }
.qr-canvas-wrap img, .qr-canvas-wrap canvas{ border-radius: var(--radius-md); border:1px solid var(--color-border); box-shadow: var(--shadow-sm); }

/* ===== Cards & grids ===== */
.section{ padding: 56px 0; }
.section-head{ display:flex; align-items:baseline; justify-content:space-between; margin-bottom:26px; gap:16px; flex-wrap:wrap; }
.section-head p.hint{ margin-top:2px; }
.tool-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap:16px; }
.tool-card{ position:relative; background: var(--color-surface); border:1px solid var(--color-border); border-radius: var(--radius-md); padding:20px; display:block; transition: all .2s var(--ease); overflow:hidden; }
.tool-card::before{ content:''; position:absolute; top:0; left:0; right:0; height:3px; background: var(--cat-color, var(--color-primary)); transform: scaleX(0); transform-origin:left; transition: transform .25s var(--ease); }
.tool-card:hover{ border-color: color-mix(in srgb, var(--cat-color, var(--color-primary)) 45%, var(--color-border)); text-decoration:none; transform: translateY(-3px); box-shadow: 0 14px 32px -8px color-mix(in srgb, var(--cat-color, var(--color-primary)) 35%, transparent); }
.tool-card:hover::before{ transform: scaleX(1); }
.tool-card-icon{ position:relative; z-index:1; width:42px; height:42px; border-radius:11px; background: color-mix(in srgb, var(--cat-color, var(--color-primary)) 13%, var(--color-bg)); color: var(--cat-color, var(--color-primary)); display:flex; align-items:center; justify-content:center; margin-bottom:14px; }
.tool-card h3{ position:relative; z-index:1; margin:0 0 5px; font-size:1.02rem; color: var(--color-text); }
.tool-card p{ position:relative; z-index:1; margin:0; font-size:.86rem; color: var(--color-text-faint); }
.tool-card-cat{ position:relative; z-index:1; display:inline-block; font-size:.72rem; font-weight:700; color: var(--cat-color, var(--color-primary)); text-transform:uppercase; letter-spacing:.04em; margin-top:10px; }

.category-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(270px,1fr)); gap:18px; }
.category-card{ position:relative; background: var(--color-surface); border:1px solid var(--color-border); border-radius: var(--radius-lg); padding:26px; display:block; transition: all .2s var(--ease); overflow:hidden; }
.category-card:hover{ border-color: color-mix(in srgb, var(--cat-color, var(--color-primary)) 45%, var(--color-border)); text-decoration:none; transform: translateY(-3px); box-shadow: 0 16px 36px -10px color-mix(in srgb, var(--cat-color, var(--color-primary)) 40%, transparent); }
.category-card-icon{ position:relative; z-index:1; width:48px; height:48px; border-radius:13px; background: var(--cat-color, var(--color-primary)); color: #fff; display:flex; align-items:center; justify-content:center; margin-bottom:16px; box-shadow: 0 6px 16px color-mix(in srgb, var(--cat-color, var(--color-primary)) 45%, transparent); }
.category-card h3{ position:relative; z-index:1; margin:0 0 6px; }
.category-card p{ position:relative; z-index:1; color: var(--color-text-faint); font-size:.9rem; margin:0 0 10px; }
.category-card .count{ position:relative; z-index:1; font-size:.8rem; color: var(--cat-color, var(--color-primary)); font-weight:700; }

/* ===== Hero ===== */
.hero{ position:relative; padding: 88px 0 56px; text-align:center; overflow:hidden; }
.hero::before{ content:''; position:absolute; inset:-10% -10% auto -10%; height:130%; background: var(--grad-mesh); pointer-events:none; z-index:0; }
.hero > *{ position:relative; z-index:1; }
.hero-badge{ display:inline-flex; align-items:center; gap:8px; background: var(--color-primary-light); color: var(--color-primary); font-weight:700; font-size:.82rem; padding:7px 16px; border-radius:999px; margin-bottom:22px; }
.hero-badge .dot{ width:7px; height:7px; border-radius:50%; background: var(--color-accent); }
.hero h1{ max-width: 820px; margin:0 auto .45em; }
.hero .lede{ max-width: 620px; margin: 0 auto 32px; color: var(--color-text-muted); font-size:1.15rem; }
.hero-search{ max-width: 580px; margin: 0 auto 22px; display:flex; gap:8px; border:1.5px solid var(--color-border); border-radius: 999px; padding:7px 7px 7px 22px; background: var(--color-surface); box-shadow: var(--shadow-md); transition: box-shadow .2s var(--ease), border-color .2s; }
.hero-search:focus-within{ border-color: var(--color-primary); box-shadow: var(--shadow-glow); }
.hero-search input{ flex:1; border:none; outline:none; background:none; font-size:1.02rem; color: var(--color-text); font-family: var(--font-sans); }
.hero-search button{ border-radius:999px; }
.hero-cta{ margin-top:10px; display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }
.trust-bar{ display:flex; justify-content:center; gap:40px; flex-wrap:wrap; margin-top:44px; padding-top:36px; border-top:1px solid var(--color-border); }
.trust-item{ text-align:center; }
.trust-value{ font-family: var(--font-display); font-size:1.7rem; font-weight:800; background: var(--grad-brand); -webkit-background-clip:text; background-clip:text; color:transparent; }
.trust-label{ font-size:.82rem; color: var(--color-text-faint); font-weight:600; }

/* ===== FAQ ===== */
.faq-item{ border-bottom:1px solid var(--color-border); padding: 18px 0; }
.faq-item:last-child{ border-bottom:none; }
.faq-item summary{ cursor:pointer; font-weight:700; list-style:none; display:flex; justify-content:space-between; align-items:center; font-family: var(--font-display); }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:'+'; font-size:1.4rem; color: var(--color-primary); font-weight:400; transition: transform .2s; }
.faq-item[open] summary::after{ transform: rotate(45deg); }
.faq-item p{ margin-top:12px; color: var(--color-text-muted); }

/* ===== How-to / related ===== */
.howto-list{ padding-left:22px; counter-reset: howto; }
.howto-list li{ margin-bottom:10px; color: var(--color-text-muted); padding-left:4px; }
.howto-list li::marker{ color: var(--color-primary); font-weight:700; }
.related-grid{ display:grid; grid-template-columns: repeat(auto-fill,minmax(210px,1fr)); gap:14px; }

/* ===== Ad slots ===== */
.ad-slot{ text-align:center; margin: 28px auto; }
.ad-slot-inner{ display:inline-block; min-height: 0; }
.ad-slot-label{ font-size:.7rem; color: var(--color-text-faint); text-transform:uppercase; letter-spacing:.06em; margin-bottom:6px; }

/* ===== Footer ===== */
.site-footer{ background: var(--color-bg-subtle); border-top:1px solid var(--color-border); margin-top: 68px; padding: 56px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:36px; }
@media (max-width:800px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
.footer-col h4{ font-family: var(--font-display); font-size:.82rem; text-transform:uppercase; letter-spacing:.05em; color: var(--color-text-faint); margin-bottom:16px; }
.footer-col a{ display:block; color: var(--color-text-muted); font-size:.9rem; margin-bottom:11px; transition: color .12s, transform .12s; }
.footer-col a:hover{ color: var(--color-primary); text-decoration:none; transform: translateX(2px); }
.footer-brand p{ color: var(--color-text-faint); font-size:.89rem; max-width:280px; }
.footer-bottom{ border-top:1px solid var(--color-border); margin-top:36px; padding-top:22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.82rem; color: var(--color-text-faint); }

/* ===== Guides / legal content ===== */
.prose{ max-width: 760px; }
.prose h2{ margin-top:1.7em; }
.prose ul, .prose ol{ padding-left: 22px; }
.prose li{ margin-bottom:7px; }
.guide-grid{ display:grid; grid-template-columns: repeat(auto-fill,minmax(270px,1fr)); gap:16px; }
.guide-card{ background: var(--color-surface); border:1px solid var(--color-border); border-radius: var(--radius-md); padding:20px; transition: all .18s var(--ease); }
.guide-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: transparent; }
.guide-card h3{ margin:0 0 8px; font-size:1.02rem; }
.guide-card p{ font-size:.88rem; color: var(--color-text-faint); margin:0; }

.ack-grid{ display:grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap:16px; margin: 16px 0 28px; }
.ack-card{ background: var(--color-surface); border:1px solid var(--color-border); border-radius: var(--radius-md); padding:20px; }
.ack-card h3{ margin:0 0 8px; font-family: var(--font-display); }
.ack-card p{ font-size:.9rem; color: var(--color-text-muted); }

/* 404 */
.error-page{ text-align:center; padding:120px 0; }
.error-page .code{ font-family: var(--font-display); font-size:5rem; font-weight:800; background: var(--grad-brand); -webkit-background-clip:text; background-clip:text; color:transparent; }
.error-page .btn{ margin: 6px; }

.btn.is-loading{ opacity:.85; cursor:progress; pointer-events:none; }
.spinner{ display:inline-block; width:14px; height:14px; border:2px solid rgba(255,255,255,.4); border-top-color:#fff; border-radius:50%; animation: spin .7s linear infinite; vertical-align:-2px; margin-right:2px; }
.btn-ghost .spinner{ border-color: rgba(79,70,229,.25); border-top-color: var(--color-primary); }
@keyframes spin{ to{ transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce){ .spinner{ animation-duration: 1.4s; } }
.progress-status{ display:flex; align-items:center; gap:8px; font-size:.88rem; color: var(--color-text-muted); margin-top:10px; font-weight:600; }
.progress-status .spinner{ border-color: var(--color-border-strong); border-top-color: var(--color-primary); }

/* ===== Scroll reveal (progressive enhancement only) =====
   Content is visible by default. Only once html.js is set (confirming JS ran) AND
   IntersectionObserver is supported does main.js arm the hidden starting state via
   .reveal-armed — so a JS failure or slow connection never hides real content. */
html.js .reveal.reveal-armed{ opacity:0; transform: translateY(14px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
html.js .reveal.reveal-armed.is-visible{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal.reveal-armed{ opacity:1 !important; transform:none !important; } }

/* ===== Microphone Test ===== */
.mic{ padding: 28px; }
.mic-head{ display:flex; justify-content:space-between; align-items:flex-start; gap:16px; margin-bottom:18px; }
.mic-state{ display:inline-flex; align-items:center; gap:8px; font-family: var(--font-display); font-weight:700; font-size:1.05rem; color: var(--color-text); }
.mic-dot{ width:8px; height:8px; border-radius:50%; background: var(--color-text-faint); flex:none; }
.mic-state[data-state="wait"] .mic-dot{ background:#d97706; }
.mic-state[data-state="live"] .mic-dot{ background: var(--color-primary); animation: mic-pulse 1.6s ease-in-out infinite; }
.mic-state[data-state="ok"] .mic-dot{ background: var(--color-success); animation: mic-pulse 1.6s ease-in-out infinite; }
.mic-state[data-state="error"] .mic-dot{ background: var(--color-error); }
@keyframes mic-pulse{ 0%,100%{ opacity:1 } 50%{ opacity:.35 } }
.mic-device{ margin:4px 0 0; font-size:.88rem; color: var(--color-text-muted); overflow-wrap:anywhere; }
.mic-readout{ text-align:right; white-space:nowrap; font-variant-numeric: tabular-nums; }
.mic-readout-value{ font-family: var(--font-display); font-weight:700; font-size:1.9rem; line-height:1; color: var(--color-text); letter-spacing:-.02em; }
.mic-readout-unit{ margin-left:4px; font-size:.78rem; font-weight:600; color: var(--color-text-faint); text-transform:uppercase; letter-spacing:.05em; }
.mic-scope{ position:relative; border:1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg-subtle); overflow:hidden; }
.mic-canvas{ display:block; width:100%; height:180px; }
.mic-idle{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-size:.85rem; color: var(--color-text-faint); pointer-events:none; padding-top:44px; }
.mic-idle[hidden]{ display:none; }
.mic-meter-wrap{ margin-top:20px; }
.mic-meter-label{ display:flex; justify-content:space-between; font-size:.76rem; font-weight:600; letter-spacing:.04em; text-transform:uppercase; color: var(--color-text-faint); margin-bottom:8px; font-variant-numeric: tabular-nums; }
.mic-meter{ position:relative; height:10px; border-radius:999px; background: var(--color-bg-subtle); border:1px solid var(--color-border); overflow:hidden; }
.mic-meter-fill{ position:absolute; inset:0; transform-origin:left center; transform:scaleX(0); background: var(--color-primary); border-radius:inherit; }
.mic-meter-peak{ position:absolute; top:0; bottom:0; left:0; width:2px; background: var(--color-text); opacity:.7; }
.mic-ticks{ display:flex; justify-content:space-between; margin-top:6px; font-size:.72rem; color: var(--color-text-faint); font-variant-numeric: tabular-nums; }
.mic-message{ margin-top:18px; padding:12px 14px; border-radius: var(--radius-sm); font-size:.9rem; line-height:1.5; border:1px solid var(--color-border); background: var(--color-bg-subtle); color: var(--color-text-muted); }
.mic-message strong{ color: var(--color-text); }
.mic-message-error{ background: var(--color-error-bg); border-color: color-mix(in srgb, var(--color-error) 30%, transparent); color: var(--color-error); }
.mic-message-error strong{ color: inherit; }
.mic-actions{ display:flex; gap:10px; margin-top:22px; }
.mic-actions .btn{ min-height:48px; min-width:140px; }
.mic-actions .btn[hidden]{ display:none; }
.mic-actions .btn:disabled{ opacity:.55; cursor:not-allowed; transform:none; }
.mic-privacy{ margin:16px 0 0; font-size:.82rem; color: var(--color-text-faint); }
@media (max-width:640px){
  .mic{ padding:18px; }
  .mic-canvas{ height:140px; }
  .mic-readout-value{ font-size:1.5rem; }
  .mic-actions .btn{ flex:1; }
}
@media (prefers-reduced-motion: reduce){ .mic-dot{ animation:none !important; } }


/* utoline launch polish: brand, search results, benefits, related tools and ad stability */
.logo-mark{background:#29265f!important;background-image:none!important;border-radius:10px;box-shadow:none;color:#fff}
.logo-mark svg{display:block}
.home-search-results{position:relative;z-index:4;max-width:580px;margin:-12px auto 24px;border:1px solid var(--color-border);border-radius:18px;background:var(--color-surface);box-shadow:var(--shadow-lg);overflow:hidden;text-align:left}
.home-search-results[hidden]{display:none}
.home-search-list{padding:7px;max-height:360px;overflow:auto}
.home-search-result{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 14px;border-radius:10px;color:var(--color-text);text-decoration:none}
.home-search-result:hover,.home-search-result.active{background:var(--color-primary-light);text-decoration:none}
.home-search-result span:first-child{display:flex;flex-direction:column;gap:2px;min-width:0}
.home-search-result strong{font-size:.94rem}
.home-search-result small{color:var(--color-text-muted);font-size:.8rem}
.home-search-empty{padding:20px;color:var(--color-text-muted);font-size:.92rem}
.benefit-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:24px}
.benefit-card{min-width:0;padding:24px 22px;border:1px solid var(--color-border);border-radius:16px;background:var(--color-surface);box-shadow:var(--shadow-xs);transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease)}
.benefit-card:hover{transform:translateY(-3px);border-color:var(--color-border-strong);box-shadow:var(--shadow-sm)}
.benefit-icon{display:grid;place-items:center;width:42px;height:42px;margin-bottom:20px;border:1px solid var(--color-border);border-radius:12px;background:var(--color-bg-subtle);color:var(--color-primary);font-size:1.35rem;font-weight:700}
.benefit-card h3{font-size:1.05rem;letter-spacing:-.015em}
.benefit-card p{margin:0;color:var(--color-text-muted);font-size:.92rem;line-height:1.65}
.related-section{max-width:var(--max-width);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.related-section h2{margin-bottom:22px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:stretch}
.related-grid .tool-card{height:100%;min-height:210px;display:flex;flex-direction:column;align-items:flex-start}
.related-grid .tool-card h3{margin-top:14px}
.related-grid .tool-card p{flex:1}
.ad-slot{width:min(100% - 32px,970px);min-height:0;padding:8px 0}
.ad-slot:has(ins.adsbygoogle){min-height:100px}
.ad-slot ins.adsbygoogle{min-height:90px}
@media(max-width:900px){.benefit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.benefit-grid,.related-grid{grid-template-columns:1fr}.benefit-card{padding:20px}.related-section{padding-left:16px;padding-right:16px}.home-search-results{margin-left:0;margin-right:0}.related-grid .tool-card{min-height:0}}

/* Shared truthful tool completion state */
.tool-completion{margin:0 0 32px;padding:22px;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-sm)}
.tool-completion[hidden]{display:none!important}
.tool-completion[data-state="success"]{border-color:#16a34a;background:color-mix(in srgb,#16a34a 5%,var(--color-surface))}
.tool-completion[data-state="error"]{border-color:var(--color-error);background:var(--color-error-bg)}
.tool-completion-heading{display:flex;align-items:center;gap:10px}
.tool-completion-heading h2{font-size:1.15rem;margin:0}
.tool-completion-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#16a34a;color:white;font-weight:800;flex:none}
.tool-completion[data-state="error"] .tool-completion-mark{background:var(--color-error)}
.tool-completion-result{white-space:pre-wrap;overflow-wrap:anywhere;max-height:360px;overflow:auto;padding:14px;margin-top:12px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-subtle);font-family:var(--font-mono);font-size:.9rem;line-height:1.55}
.tool-completion-result:empty{display:none}
.tool-completion-conclusion{font-weight:650;margin:14px 0 0}
@media(max-width:640px){.tool-completion{padding:16px}.tool-completion-result{font-size:.82rem}}
.tool-completion[data-state="loading"]{border-color:var(--color-primary);background:color-mix(in srgb,var(--color-primary) 4%,var(--color-surface))}
.tool-completion[data-state="loading"] .tool-completion-mark{background:var(--color-primary);animation:utoline-pulse 1.2s ease-in-out infinite}
.tool-completion[data-state="error"] .tool-completion-mark{color:#fff}
.tool-completion[data-state="error"] [data-completion-conclusion]{display:none}
.tool-completion[data-state="error"] [data-completion-result]:empty{display:none}
@keyframes utoline-pulse{50%{opacity:.55;transform:scale(.96)}}
@media(prefers-reduced-motion:reduce){.tool-completion[data-state="loading"] .tool-completion-mark{animation:none}}

.tool-completion[data-state="warning"]{border-color:#d97706;background:color-mix(in srgb,#d97706 6%,var(--color-surface))}
.tool-completion[data-state="warning"] .tool-completion-mark{background:#d97706;color:#fff}

/* Utoline image wordmark */
.site-header .logo img,.footer-brand .logo img{display:block;width:136px;height:34px;object-fit:contain}
@media (max-width:420px){.site-header .logo img{width:118px;height:30px}}