:root{
  --bg:#F7F8FB;
  --surface:#FFFFFF;
  --surface-2:#F1F3F8;
  --border:#E4E7EF;
  --text:#1F2430;
  --muted:#6B7280;
  --accent:#0B8457;
  --accent-2:#06C167;
  --accent-soft:#E4F7EE;
  --danger:#D64545;
  --shadow:0 2px 10px rgba(20,30,25,0.06);
}
[data-theme="dark"]{
  --bg:#12151B;
  --surface:#191D25;
  --surface-2:#20242D;
  --border:#2B303B;
  --text:#EDEFF4;
  --muted:#9AA1AF;
  --accent:#22C67D;
  --accent-2:#3FE39A;
  --accent-soft:#193227;
  --shadow:0 2px 14px rgba(0,0,0,0.35);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:16px;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',sans-serif;
  min-height:100vh;
  transition:background .2s ease, color .2s ease;
  position:relative;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
button,select,input,textarea{font:inherit;}
:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}

#bgCanvas{
  position:fixed;top:0;left:0;width:100%;height:340px;
  z-index:0;opacity:.5;pointer-events:none;
}

.wrap{max-width:1140px;margin:0 auto;padding:0 24px 64px;position:relative;z-index:1;}

nav{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;
  padding:20px 0;position:relative;z-index:2;
}
.logo{display:flex;align-items:center;gap:9px;font-family:'Poppins',sans-serif;font-weight:700;font-size:19px;cursor:pointer;white-space:nowrap;}
.logo-mark{
  width:30px;height:30px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:700;
}
.nav-right{display:flex;align-items:center;gap:14px;}

.theme-toggle-group {
  display: inline-flex;
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}
.theme-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .15s ease;
}
.theme-btn.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  font-weight: 600;
}
.theme-btn svg { width: 14px; height: 14px; }

.hero{text-align:center;padding:28px 0 8px;}
.eyebrow{
  display:inline-block;font-family:'Inter',sans-serif;font-weight:600;font-size:12.5px;
  color:var(--accent);background:var(--accent-soft);padding:5px 14px;border-radius:999px;margin-bottom:16px;
}
h1{
  font-family:'Poppins',sans-serif;font-weight:700;font-size:clamp(1.7rem, 4vw, 2.4rem);line-height:1.18;
  margin:0 0 12px;letter-spacing:-0.01em;
}
h1 .grad{background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.sub{color:var(--muted);font-size:16px;max-width:58ch;margin:0 auto 24px;line-height:1.6;}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--shadow);overflow:hidden;
  margin-bottom: 32px;
}
.options-bar{
  display:flex;gap:16px 20px;flex-wrap:wrap;align-items:center;
  padding:14px 22px;border-bottom:1px solid var(--border);background:var(--surface-2);
}
.options-bar:empty,
.options-bar[hidden]{display:none;}
.opt{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);font-weight:500;white-space:nowrap;}
select, input[type="text"]{
  background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:8px;
  padding:7px 10px;font-family:'Inter',sans-serif;font-size:13px;cursor:pointer;outline:none;
  min-height:34px;
}
input[type="text"]{cursor:text;}

.columns{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;}
@media (max-width:820px){.columns{grid-template-columns:1fr;}}
.col{display:flex;flex-direction:column;border-right:1px solid var(--border);min-width:0;min-height:0;}
.col:last-child{border-right:none;}
@media (max-width:820px){
  .col{border-right:none;border-bottom:1px solid var(--border);}
  .col:last-child{border-bottom:none;}
}
.col-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:48px;
  padding:12px 20px;font-family:'Poppins',sans-serif;font-weight:600;font-size:13.5px;color:var(--text);
}
.col-head span:first-child{line-height:1.35;}
.col-head .count{font-family:'Inter',sans-serif;font-weight:500;font-size:12px;color:var(--muted);white-space:nowrap;flex-shrink:0;}
.col-head .count.error{color:var(--danger);font-weight:600;}
textarea, .output-area{
  width:100%;height:400px;border:0;outline:0;resize:none;background:transparent;
  color:var(--text);font-family:'JetBrains Mono',monospace;font-size:13px;line-height:1.6;
  padding:6px 20px 20px;overflow:auto;
}
textarea:focus, .output-area:focus{outline:none;box-shadow:inset 0 0 0 2px var(--accent-soft);}
textarea::placeholder{color:var(--muted);}
@media (max-width:820px){
  textarea, .output-area{height:280px;}
}

.actions-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  padding:16px 22px;border-top:1px solid var(--border);background:var(--surface-2);
}
.btn-group{display:flex;gap:10px;flex-wrap:wrap;}
.btn{
  font-family:'Inter',sans-serif;font-weight:600;font-size:13px;
  padding:9px 16px;border-radius:9px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);cursor:pointer;transition:all .15s ease;
}
.btn:hover{border-color:var(--accent);color:var(--accent);}
.btn.primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;border:none;box-shadow:0 3px 10px rgba(11,132,87,0.25);
}
.btn.primary:hover{opacity:.92;color:#fff;}
.btn:disabled{
  opacity:.45;cursor:not-allowed;box-shadow:none;
}
.btn:disabled:hover{border-color:var(--border);color:var(--text);}
.btn.primary:disabled:hover{color:#fff;opacity:.45;}
input[type=file]{display:none;}
.stat{font-family:'Inter',sans-serif;font-size:12.5px;color:var(--muted);font-weight:500;}

.tool-nav{
  display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin: 24px 0 32px 0;
}
.chip{
  font-family:'Inter',sans-serif;font-size:13px;font-weight:500;
  padding:8px 16px;border-radius:999px;border:1px solid var(--border);
  background:var(--surface);color:var(--muted);cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;transition:all .15s ease;
  text-decoration:none;
}
.chip:hover{border-color:var(--accent);color:var(--accent);}
.chip.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600;}

.foot-note{
  display:flex;align-items:center;gap:8px;justify-content:center;
  margin-top:24px;color:var(--muted);font-size:13px;
}
.foot-note svg{width:15px;height:15px;color:var(--accent);flex-shrink:0;}

.seo-content {
  margin-top: 48px;
  padding: 32px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.seo-content h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  margin: 0 0 12px 0;
  color: var(--text);
}
.seo-content h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  margin: 24px 0 8px 0;
  color: var(--text);
}
.seo-content p {
  color: var(--muted);
  line-height: 1.7;
  margin: 8px 0;
}
.seo-content ul {
  color: var(--muted);
  line-height: 1.7;
  padding-left: 24px;
  margin: 8px 0;
}
.seo-content li { margin: 4px 0; }
.seo-content code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--surface-2);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent);
}
.related-tools {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.related-tools h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  margin: 0 0 12px 0;
}
.related-tools ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.related-tools a {
  font-size: 13px;
  color: var(--accent);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: all .15s ease;
}
.related-tools a:hover { border-color: var(--accent); background: var(--accent-soft); }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-item h4 {
  margin: 0 0 6px 0;
  font-size: 1rem;
  color: var(--text);
}
.faq-item p {
  margin: 0;
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .wrap { padding: 0 16px 40px; }
  .theme-btn { padding: 6px 10px; }
  .theme-btn span, .theme-btn { font-size: 12px; }
  .actions-bar { padding: 14px 16px; }
  .col-head { padding: 12px 16px; }
  textarea, .output-area { padding: 6px 16px 16px; }
  .seo-content { padding: 24px 18px; }
}

.legal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 36px 40px 40px;
  max-width: 820px;
  margin: 0 auto 24px;
}
.legal-card .updated {
  color: var(--muted);
  font-size: 13px;
  margin: -4px 0 24px;
}
.legal-card h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  margin: 28px 0 10px;
  color: var(--text);
}
.legal-card h2:first-of-type { margin-top: 0; }
.legal-card h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.05rem;
  margin: 20px 0 8px;
  color: var(--text);
}
.legal-card p,
.legal-card li {
  color: var(--muted);
  line-height: 1.75;
  font-size: 15px;
}
.legal-card p { margin: 0 0 12px; }
.legal-card ul {
  margin: 0 0 12px;
  padding-left: 22px;
}
.legal-card li { margin: 6px 0; }
.legal-card a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.legal-card a:hover { color: var(--accent-2); }
.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 8px 0 28px;
}
.contact-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-top: 8px;
}
.contact-box p { margin: 0 0 8px; }
.contact-box p:last-child { margin: 0; }

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  background: var(--surface);
  margin-top: 24px;
}
.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 22px 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
  flex-wrap: wrap;
}
.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  max-width: 52ch;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 4px;
  align-items: center;
}
.footer-links a {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 12px;
  border-radius: 8px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.footer-links a:hover,
.footer-links a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
}

@media (max-width: 640px) {
  .legal-card { padding: 24px 18px 28px; }
  .footer-inner {
    padding: 18px 16px 24px;
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .footer-inner p { max-width: none; }
  .footer-links { justify-content: center; }
}

.nav-menu-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
}
.nav-menu-btn:hover,
.nav-menu-btn[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.nav-menu-btn svg { width: 16px; height: 16px; }

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 18, 24, 0.45);
  z-index: 20;
}
.tools-drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(360px, 92vw);
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 21;
  padding: 20px 18px 32px;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
body.drawer-open { overflow: hidden; }
.tools-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.tools-drawer-head h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  margin: 0;
}
.tools-drawer-close {
  border: 0;
  background: var(--surface-2);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}
.tools-drawer-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 16px 4px 8px;
}
.tools-drawer a {
  display: block;
  padding: 12px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  min-height: 44px;
}
.tools-drawer a:hover,
.tools-drawer a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent);
}

.tool-nav { margin: 0 0 16px; }
.how-to {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.how-to li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  box-shadow: var(--shadow);
}
.how-to li strong {
  display: block;
  color: var(--text);
  font-size: 12px;
  margin-bottom: 4px;
  font-family: 'Poppins', sans-serif;
}
.how-to code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  color: var(--accent);
}
@media (max-width: 820px) {
  .how-to { grid-template-columns: 1fr; }
}

.tool-card {
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}

.ad-slot {
  position: relative;
  z-index: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 12px 12px 16px;
  background: var(--surface-2);
  border: 1px dashed var(--border);
  border-radius: 12px;
  pointer-events: auto;
}
.ad-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.ad-frame {
  width: 100%;
  max-width: 728px;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}
.ad-slot-bottom { margin: 8px 0 24px; }
@media (max-width: 640px) {
  .ad-frame {
    max-width: 320px;
    min-height: 100px;
  }
}