/* ═══════════════════════════════════════════
   PaycheckCalc — Google Material Design System
   Clean · Trustworthy · Professional
   ═══════════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

:root{
  --white:#ffffff;--bg:#f8f9fa;--surface:#f1f3f4;--surface-alt:#e8eaed;
  --border:#dadce0;--border-dark:#bdc1c6;
  --text:#202124;--text-secondary:#5f6368;--text-tertiary:#80868b;
  --blue:#1a73e8;--blue-hover:#1765cc;--blue-bg:#e8f0fe;
  --green:#1e8e3e;--green-bg:#e6f4ea;
  --red:#d93025;--red-bg:#fce8e6;
  --yellow:#f9ab00;--yellow-bg:#fef7e0;
  --google-blue:#4285F4;--google-red:#EA4335;--google-yellow:#FBBC05;--google-green:#34A853;
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono','Courier New',monospace;
  --shadow-1:0 1px 2px 0 rgba(60,64,67,.3),0 1px 3px 1px rgba(60,64,67,.15);
  --shadow-2:0 1px 3px 0 rgba(60,64,67,.3),0 4px 8px 3px rgba(60,64,67,.15);
  --shadow-3:0 4px 8px 0 rgba(60,64,67,.3),0 8px 16px 4px rgba(60,64,67,.15);
  --radius:8px;--radius-lg:12px;--radius-xl:16px;
  --transition:.2s cubic-bezier(.4,0,.2,1);
  --max-w:1100px;
}

html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--white);line-height:1.6;font-size:14px;-webkit-font-smoothing:antialiased}

/* ── TYPOGRAPHY ── */
h1,h2,h3{font-family:var(--font);color:var(--text);font-weight:600;line-height:1.3;letter-spacing:-.01em}
h1{font-size:1.75rem;margin-bottom:8px}
h2{font-size:1.25rem;margin-bottom:6px}
h3{font-size:1rem;margin-bottom:4px}
p{margin-bottom:12px}
a{color:var(--blue);text-decoration:none;transition:color var(--transition)}
a:hover{text-decoration:underline}

.num{font-family:var(--mono);font-weight:600;letter-spacing:-.02em}
.num-lg{font-family:var(--mono);font-size:2.2rem;font-weight:700;color:var(--text)}
.num-green{color:var(--green)}
.num-red{color:var(--red)}
.num-yellow{color:var(--yellow)}

/* ═══ NAV — Google Style ═══ */
.nav{
  background:var(--white);border-bottom:1px solid var(--border);
  padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:100;
  backdrop-filter:blur(8px);background:rgba(255,255,255,.95);
}
.nav-logo{
  font-size:1.15rem;font-weight:700;color:var(--text);text-decoration:none;
  display:flex;align-items:center;gap:10px;letter-spacing:-.02em;
}
.nav-logo img,.nav-logo svg{width:28px;height:28px;transition:transform .3s ease}
.nav-logo:hover svg{transform:scale(1.08)}
.nav-logo .brand-profit{color:var(--google-blue)}
.nav-logo .brand-calc{color:var(--text-secondary)}
.nav-links{display:flex;gap:4px}
.nav-links a{
  color:var(--text-secondary);padding:8px 16px;border-radius:20px;
  font-size:.84rem;font-weight:500;text-decoration:none;transition:all var(--transition);
}
.nav-links a:hover{background:var(--surface);color:var(--text);text-decoration:none}
.nav-links a.active{background:var(--blue-bg);color:var(--blue)}

/* Mobile hamburger */
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px;border-radius:50%;transition:background .2s}
.hamburger:hover{background:var(--surface)}
.hamburger svg{width:24px;height:24px;stroke:var(--text-secondary)}

/* Mobile menu overlay */
.mobile-menu{
  display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:200;
  background:rgba(32,33,36,.4);backdrop-filter:blur(4px);
  opacity:0;transition:opacity .25s ease;pointer-events:none;
}
.mobile-menu.open{opacity:1;pointer-events:all}
.mobile-menu-panel{
  position:absolute;right:0;top:0;bottom:0;width:280px;background:var(--white);
  box-shadow:var(--shadow-3);transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:24px 16px;
}
.mobile-menu.open .mobile-menu-panel{transform:translateX(0)}
.mobile-menu-close{display:flex;justify-content:flex-end;margin-bottom:16px}
.mobile-menu-close button{background:none;border:none;cursor:pointer;padding:8px;border-radius:50%;transition:background .2s}
.mobile-menu-close button:hover{background:var(--surface)}
.mobile-menu a{
  display:block;padding:12px 16px;border-radius:var(--radius);font-size:.92rem;font-weight:500;
  color:var(--text-secondary);text-decoration:none;transition:all var(--transition);margin-bottom:2px;
}
.mobile-menu a:hover{background:var(--surface);color:var(--text);text-decoration:none}
.mobile-menu a.active{background:var(--blue-bg);color:var(--blue)}

/* ═══ LAYOUT ═══ */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.calc-layout{display:grid;grid-template-columns:380px 1fr;gap:24px;margin-top:24px;margin-bottom:40px}
@media(max-width:860px){.calc-layout{grid-template-columns:1fr}}

/* ═══ PAGE HEADER — Google Clean ═══ */
.page-header{padding:32px 0 24px;border-bottom:1px solid var(--border)}
.page-header h1{margin-bottom:4px}
.page-header p{color:var(--text-secondary);font-size:.92rem;margin:0;max-width:640px}
.breadcrumb{font-size:.78rem;color:var(--text-tertiary);margin-bottom:6px}
.breadcrumb a{color:var(--text-secondary)}

/* ═══ QUICK PRESETS ═══ */
.presets{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 4px}
.preset-chip{
  padding:4px 12px;border-radius:14px;font-size:.72rem;font-weight:500;
  border:1px solid var(--border);background:var(--white);color:var(--text-secondary);
  cursor:pointer;transition:all var(--transition);white-space:nowrap;
}
.preset-chip:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-bg)}
.preset-chip:active{transform:scale(.96)}

/* ═══ INPUT PANEL — Google Card ═══ */
.input-panel{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-1);position:sticky;top:80px;
  max-height:calc(100vh - 96px);overflow-y:auto;scrollbar-width:thin;
}
.input-panel::-webkit-scrollbar{width:4px}
.input-panel::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
.input-panel-header{
  padding:16px 20px;font-weight:600;font-size:.95rem;color:var(--text);
  border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px;
}
.input-panel-header svg{width:20px;height:20px}
.input-group{padding:14px 20px;border-bottom:1px solid var(--surface);transition:background var(--transition)}
.input-group:hover{background:rgba(26,115,232,.02)}
.input-group:last-child{border-bottom:none}
.input-label{
  display:flex;justify-content:space-between;align-items:center;
  font-size:.82rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px;
}
.input-label .hint{font-weight:400;color:var(--text-tertiary);font-size:.72rem}

.input-field{
  width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:4px;
  font-family:var(--mono);font-size:.9rem;color:var(--text);
  background:var(--white);transition:all var(--transition);
}
.input-field:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 2px rgba(26,115,232,.2);background:#fafbff}
.input-row{display:flex;gap:8px;align-items:center}
.input-prefix,.input-suffix{font-family:var(--mono);font-size:.85rem;color:var(--text-tertiary);white-space:nowrap;transition:color .2s}
.input-row:focus-within .input-prefix,.input-row:focus-within .input-suffix{color:var(--blue)}

/* Range slider — Google style */
.input-range{
  width:100%;height:4px;border-radius:4px;-webkit-appearance:none;appearance:none;
  background:var(--surface);margin-top:8px;cursor:pointer;outline:none;
}
.input-range::-webkit-slider-thumb{
  -webkit-appearance:none;width:16px;height:16px;border-radius:50%;
  background:var(--blue);border:2px solid var(--white);box-shadow:0 1px 3px rgba(0,0,0,.2);
  cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;
}
.input-range::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 0 6px rgba(26,115,232,.1)}
.input-range::-webkit-slider-thumb:active{transform:scale(1.3);box-shadow:0 0 0 10px rgba(26,115,232,.15)}

.select-field{
  width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:4px;
  font-family:var(--font);font-size:.85rem;color:var(--text);background:var(--white);
  cursor:pointer;transition:all var(--transition);appearance:auto;
}
.select-field:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 2px rgba(26,115,232,.2)}

/* ═══ RESULT CARDS — Google ═══ */
.results-panel{min-width:0}
.result-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-1);margin-bottom:20px;overflow:hidden;
  transition:box-shadow var(--transition),transform var(--transition);
  animation:fadeUp .4s ease-out both;
}
.result-card:nth-child(2){animation-delay:.05s}
.result-card:nth-child(3){animation-delay:.1s}
.result-card:nth-child(4){animation-delay:.15s}
.result-card:nth-child(5){animation-delay:.2s}
.result-card:nth-child(6){animation-delay:.25s}
.result-card:nth-child(7){animation-delay:.3s}
.result-card:nth-child(8){animation-delay:.35s}
.result-card:hover{box-shadow:var(--shadow-2)}
.result-card-header{
  padding:14px 20px;font-weight:600;font-size:.82rem;color:var(--text-secondary);
  border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px;
  text-transform:uppercase;letter-spacing:.03em;
}
.result-card-body{padding:20px}

/* Hero result — the big number */
.hero-result{
  text-align:center;padding:32px 24px;
  background:linear-gradient(135deg,#f8f9fa 0%,#e8f0fe 100%);
  border-bottom:1px solid var(--border);
}
.hero-result .label{font-size:.88rem;color:var(--text-secondary);margin-bottom:4px;font-weight:500}
.hero-result .amount{
  font-family:var(--mono);font-size:3rem;font-weight:700;color:var(--text);letter-spacing:-.03em;
  transition:color .3s ease;
}
.hero-result .sub{font-size:.82rem;color:var(--text-tertiary);margin-top:6px;transition:all .3s}
.hero-result .verdict{
  font-size:.88rem;font-weight:500;margin-top:10px;padding:5px 16px;border-radius:16px;
  display:inline-block;transition:all .3s ease;
}
.verdict-great{background:var(--green-bg);color:var(--green)}
.verdict-good{background:var(--blue-bg);color:var(--blue)}
.verdict-ok{background:var(--yellow-bg);color:#b06000}
.verdict-bad{background:var(--red-bg);color:var(--red)}

/* Breakdown table */
.breakdown-table{width:100%;border-collapse:collapse}
.breakdown-table td{padding:11px 16px;font-size:.85rem;border-bottom:1px solid var(--surface);transition:background var(--transition)}
.breakdown-table tr:hover td{background:rgba(26,115,232,.015)}
.breakdown-table tr:last-child td{border-bottom:none}
.breakdown-table td:first-child{color:var(--text-secondary)}
.breakdown-table td:last-child{text-align:right;font-family:var(--mono);font-weight:600}
.breakdown-table .dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:10px}
.breakdown-table tr.total{font-weight:700}
.breakdown-table tr.total td{border-top:2px solid var(--border);color:var(--text);padding:13px 16px}

/* Metric cards — 3-column */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}
@media(max-width:600px){.metric-grid{grid-template-columns:1fr 1fr}}
.metric-card{
  background:var(--bg);border-radius:var(--radius);padding:16px;text-align:center;
  border:1px solid var(--surface);transition:all .2s ease;cursor:default;
}
.metric-card:hover{border-color:var(--border);transform:translateY(-1px);box-shadow:0 2px 4px rgba(60,64,67,.1)}
.metric-card .metric-label{font-size:.72rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.04em;margin-bottom:2px}
.metric-card .metric-value{font-family:var(--mono);font-size:1.6rem;font-weight:700;transition:color .3s}
.metric-card .metric-sub{font-size:.7rem;color:var(--text-tertiary);margin-top:2px}

/* Info boxes */
.info-box{
  background:var(--blue-bg);border-radius:var(--radius);padding:14px 18px;margin:14px 0;
  font-size:.84rem;color:var(--blue);line-height:1.6;transition:all .3s ease;
}
.info-box.green{background:var(--green-bg);color:var(--green)}
.info-box.yellow{background:var(--yellow-bg);color:#8a6d00}
.info-box.red{background:var(--red-bg);color:var(--red)}

/* Chart */
.chart-container{position:relative;width:100%}
.chart-container canvas{width:100%!important;transition:opacity .3s}

/* Compare grid */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.compare-grid{grid-template-columns:1fr}}

/* ═══ BUTTONS — Google Material ═══ */
.btn{
  padding:9px 22px;border:1.5px solid var(--border);border-radius:4px;
  background:var(--white);font-size:.84rem;font-weight:500;cursor:pointer;
  transition:all var(--transition);font-family:var(--font);color:var(--text-secondary);
  position:relative;overflow:hidden;
}
.btn:hover{background:var(--surface);border-color:var(--border-dark);box-shadow:var(--shadow-1)}
.btn:active{transform:scale(.98)}
.btn-primary{
  background:var(--blue);color:var(--white);border-color:var(--blue);
  box-shadow:0 1px 2px rgba(26,115,232,.3);
}
.btn-primary:hover{background:var(--blue-hover);box-shadow:var(--shadow-1)}
.btn-primary:active{background:#1557b0}
/* Ripple effect */
.btn::after{
  content:'';position:absolute;top:50%;left:50%;width:0;height:0;
  background:rgba(255,255,255,.3);border-radius:50%;transform:translate(-50%,-50%);
  transition:width .4s ease,height .4s ease,opacity .4s ease;opacity:0;
}
.btn:active::after{width:200px;height:200px;opacity:1;transition:0s}
.btn-sm{padding:5px 14px;font-size:.75rem}
.btn-group{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}

/* Google pill tabs */
.tab-group{display:flex;gap:0;border:1px solid var(--border);border-radius:20px;overflow:hidden;margin:12px 0}
.tab-btn{
  flex:1;padding:8px 16px;font-size:.82rem;font-weight:500;
  border:none;background:var(--white);color:var(--text-secondary);
  cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);font-family:var(--font);
}
.tab-btn:hover{background:var(--surface)}
.tab-btn.active{background:var(--blue);color:var(--white)}

/* ═══ AD SLOTS ═══ */
.ad-slot{
  background:var(--bg);border:1px dashed var(--border);text-align:center;
  padding:24px;color:var(--text-tertiary);font-size:.72rem;margin:20px 0;
  border-radius:var(--radius);text-transform:uppercase;letter-spacing:.06em;
}

/* ═══ RELATED ═══ */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:16px 0}
.related-card{
  display:block;padding:16px;border:1px solid var(--border);border-radius:var(--radius);
  text-decoration:none;color:var(--text);transition:all .25s ease;background:var(--white);
}
.related-card:hover{border-color:var(--blue);box-shadow:var(--shadow-1);text-decoration:none;transform:translateY(-2px)}
.related-card:active{transform:translateY(0)}
.related-card h2{font-size:.88rem;margin-bottom:3px;color:var(--text)}
.related-card p{font-size:.76rem;color:var(--text-secondary);margin:0;line-height:1.4}

/* ═══ FAQ — Google Accordion ═══ */
.faq-item{border-bottom:1px solid var(--surface)}
.faq-item:last-child{border-bottom:none}
.faq-question{
  display:flex;justify-content:space-between;align-items:center;padding:16px 0;
  cursor:pointer;font-weight:500;font-size:.92rem;color:var(--text);transition:color .2s;
  user-select:none;
}
.faq-question:hover{color:var(--blue)}
.faq-icon{
  font-size:1.2rem;color:var(--blue);width:28px;height:28px;text-align:center;flex-shrink:0;
  transition:transform .3s cubic-bezier(.4,0,.2,1);line-height:28px;border-radius:50%;
}
.faq-question:hover .faq-icon{background:var(--blue-bg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.4,0,.2,1),padding .3s ease;font-size:.85rem;color:var(--text-secondary);line-height:1.7;padding:0}
.faq-answer.open{max-height:500px;padding:0 0 16px 0}

/* ═══ INDUSTRY BENCHMARK BAR ═══ */
.benchmark-bar{height:8px;background:var(--surface);border-radius:4px;position:relative;margin:8px 0}
.benchmark-fill{height:100%;border-radius:4px;transition:width .6s ease-out}
.benchmark-marker{position:absolute;top:-6px;width:2px;height:20px;background:var(--text);border-radius:1px}
.benchmark-label{font-size:.72rem;color:var(--text-tertiary);margin-top:4px}

/* ═══ TOOLTIP ═══ */
.tooltip{
  position:relative;cursor:help;
  border-bottom:1px dotted var(--border-dark);
}
.tooltip::after{
  content:attr(data-tip);position:absolute;bottom:calc(100% + 6px);left:50%;
  transform:translateX(-50%) scale(.9);padding:6px 10px;border-radius:4px;
  background:var(--text);color:var(--white);font-size:.72rem;font-weight:400;
  white-space:nowrap;pointer-events:none;opacity:0;transition:all .2s ease;z-index:10;
}
.tooltip:hover::after{opacity:1;transform:translateX(-50%) scale(1)}

/* ═══ TOAST NOTIFICATION ═══ */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);
  background:var(--text);color:var(--white);padding:10px 24px;border-radius:24px;
  font-size:.84rem;font-weight:500;z-index:1000;box-shadow:var(--shadow-3);
  transition:transform .3s cubic-bezier(.4,0,.2,1),opacity .3s;opacity:0;pointer-events:none;
}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}

/* ═══ FOOTER — Google Clean ═══ */
.footer{
  background:var(--bg);border-top:1px solid var(--border);
  color:var(--text-secondary);padding:32px 24px;margin-top:48px;
  font-size:.82rem;text-align:center;
}
.footer a{color:var(--text-tertiary);transition:color var(--transition)}
.footer a:hover{color:var(--blue);text-decoration:none}
.footer-links{margin-top:8px}
.footer-links a{margin:0 12px}
.footer-tagline{font-size:.72rem;color:var(--text-tertiary);margin-top:10px;font-style:italic}

/* ═══ PRINT ═══ */
@media print{
  .nav,.ad-slot,.btn-group,.related-grid,.footer,.tab-group,.presets,.mobile-menu,.hamburger,.toast{display:none!important}
  .input-panel{position:static}.calc-layout{display:block}
  body{font-size:12px;background:#fff}
  .result-card{box-shadow:none;border:1px solid #ccc;animation:none}
}

/* ═══ MOBILE ═══ */
@media(max-width:860px){
  .nav-links{display:none}
  .hamburger{display:block}
  .mobile-menu{display:block}
  .nav{padding:0 16px;height:56px}
  h1{font-size:1.4rem}
  .hero-result .amount{font-size:2.2rem}
  .input-panel{position:static;max-height:none}
  .container{padding:0 16px}.calc-layout{gap:16px;margin-top:16px}
  .result-card-body{padding:14px}.page-header{padding:20px 0 16px}
  .metric-grid{grid-template-columns:1fr 1fr}
}

/* ═══ ANIMATIONS ═══ */
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}
@keyframes countUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* Stagger animations for metric cards */
.metric-card{animation:fadeUp .35s ease-out both}
.metric-card:nth-child(1){animation-delay:.08s}
.metric-card:nth-child(2){animation-delay:.14s}
.metric-card:nth-child(3){animation-delay:.2s}

/* Number transition */
.num-animate{animation:countUp .3s ease-out}

/* ═══ ACCESSIBILITY ═══ */
a:not(.nav-logo):not(.nav-links a):not(.btn):not(.footer-links a):not(.related-card):not(.mobile-menu a){
  text-decoration:underline;text-decoration-color:rgba(26,115,232,.3);text-underline-offset:2px;
}
a:not(.nav-logo):not(.nav-links a):not(.btn):not(.footer-links a):not(.related-card):not(.mobile-menu a):hover{
  text-decoration-color:rgba(26,115,232,.8);
}

/* Focus visible for keyboard nav */
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:2px}
button:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* ═══ SELECTION ═══ */
::selection{background:var(--blue-bg);color:var(--blue)}

/* ═══ PAYCHECKCALC SPECIFIC ═══ */
.calculator-grid{display:grid;grid-template-columns:400px 1fr;gap:24px;margin-top:24px;margin-bottom:40px}
@media(max-width:860px){.calculator-grid{grid-template-columns:1fr}}
.input-column{position:sticky;top:80px;align-self:start}
@media(max-width:860px){.input-column{position:static}}
.result-hero{background:linear-gradient(135deg,#f8f9fa 0%,#e8f0fe 100%)}
.stub-table{width:100%;border-collapse:collapse}
.stub-table th,.stub-table td{padding:10px 16px;font-size:.84rem;border-bottom:1px solid var(--surface)}
.stub-table th{background:var(--bg);font-weight:600;color:var(--text-secondary);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em}
.stub-table tr:last-child td{border-bottom:none}
.stub-table tr:hover td{background:rgba(26,115,232,.015)}
tr.stub-gross td{font-weight:700;border-bottom:2px solid var(--border)}
tr.stub-net td{font-weight:700;background:var(--green-bg);color:var(--green);border-top:2px solid var(--border)}
tr.stub-tax td:nth-child(2),tr.stub-tax td:nth-child(3){color:var(--red)}
tr.stub-ded td:nth-child(2),tr.stub-ded td:nth-child(3){color:var(--text-secondary)}
.toggle-group{display:flex;border:1px solid var(--border);border-radius:20px;overflow:hidden}
.toggle-btn{flex:1;padding:8px 16px;font-size:.82rem;font-weight:500;border:none;background:var(--white);color:var(--text-secondary);cursor:pointer;transition:all .2s;font-family:var(--font)}
.toggle-btn.active{background:var(--blue);color:var(--white)}
.toggle-btn:hover:not(.active){background:var(--surface)}
.preset-btn{padding:6px 14px;border-radius:16px;font-size:.75rem;font-weight:500;border:1px solid var(--border);background:var(--white);color:var(--text-secondary);cursor:pointer;transition:all .2s;font-family:var(--font)}
.preset-btn:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-bg)}
.preset-btn:active{transform:scale(.96)}
.input-with-prefix{display:flex;align-items:center;border:1.5px solid var(--border);border-radius:4px;transition:all .2s;background:var(--white)}
.input-with-prefix:focus-within{border-color:var(--blue);box-shadow:0 0 0 2px rgba(26,115,232,.2)}
.input-with-prefix .input-prefix{padding:0 0 0 12px;font-family:var(--mono);font-size:.85rem;color:var(--text-tertiary)}
.input-with-prefix input{border:none;outline:none;padding:10px;font-family:var(--mono);font-size:.9rem;color:var(--text);width:100%;background:transparent}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.link-card{display:flex;flex-direction:column;gap:4px;padding:16px;border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;color:var(--text);transition:all .25s;background:var(--white)}
.link-card:hover{border-color:var(--blue);box-shadow:var(--shadow-1);text-decoration:none;transform:translateY(-2px)}
.link-card strong{font-size:.88rem}
.link-card span{font-size:.76rem;color:var(--text-secondary)}
.faq-section .faq-item{border-bottom:1px solid var(--surface);cursor:pointer;user-select:none}
.faq-section .faq-q{padding:16px 0;font-weight:500;font-size:.92rem;color:var(--text);display:flex;justify-content:space-between;align-items:center}
.faq-section .faq-q::after{content:'+';font-size:1.2rem;color:var(--blue);transition:transform .3s}
.faq-section .faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-section .faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s;font-size:.85rem;color:var(--text-secondary);line-height:1.7;padding:0}
.faq-section .faq-item.open .faq-a{max-height:300px;padding-bottom:16px}
.compare-table{width:100%;border-collapse:collapse}
.compare-table th,.compare-table td{padding:8px 12px;font-size:.82rem;border-bottom:1px solid var(--surface);text-align:left}
.compare-table th{background:var(--bg);font-weight:600;color:var(--text-secondary);position:sticky;top:0}
.compare-table tr:hover td{background:rgba(26,115,232,.015)}
.compare-table td:nth-child(n+2){text-align:right;font-family:var(--mono)}
.rank-badge{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;font-size:.7rem;font-weight:700}
.rank-1{background:var(--green-bg);color:var(--green)}
.rank-2{background:var(--blue-bg);color:var(--blue)}
.rank-3{background:var(--yellow-bg);color:#b06000}