@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ═══ DESIGN TOKENS ═════════════════════════════════════════════════════ */
:root {
  /* Light liquid glass base */
  --bg:          #f0f4ff;
  --bg2:         #ffffff;
  --bg3:         #f7f9ff;
  --bg4:         #eef1fb;
  --bg5:         #e4e9f8;

  /* Glass layers */
  --glass:        rgba(255,255,255,0.72);
  --glass2:       rgba(255,255,255,0.88);
  --glass-border: rgba(255,255,255,0.9);
  --glass-shadow: rgba(100,120,200,0.12);

  /* Borders */
  --bdr:   rgba(0,0,0,0.07);
  --bdr2:  rgba(0,0,0,0.12);
  --bdr3:  rgba(0,0,0,0.18);

  /* Accent palette */
  --blue:    #2563eb;
  --blue2:   #3b82f6;
  --cyan:    #0ea5e9;
  --purple:  #7c3aed;
  --green:   #16a34a;
  --amber:   #d97706;
  --red:     #dc2626;
  --pink:    #db2777;

  /* Text */
  --t1:  #0f172a;
  --t2:  #475569;
  --t3:  #94a3b8;
  --t4:  #cbd5e1;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;

  /* Radii */
  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-2xl: 36px;
  --r-3xl: 48px;
  --r-pill:9999px;

  /* Shadows */
  --s0: 0 1px 3px rgba(0,0,0,.06);
  --s1: 0 4px 16px rgba(100,120,200,.1), 0 1px 4px rgba(0,0,0,.04);
  --s2: 0 8px 32px rgba(100,120,200,.14), 0 2px 8px rgba(0,0,0,.05);
  --s3: 0 20px 60px rgba(100,120,200,.18), 0 4px 16px rgba(0,0,0,.06);

  /* Glows */
  --glow-blue:  0 0 0 3px rgba(37,99,235,.15);
  --glow-cyan:  0 0 0 3px rgba(14,165,233,.15);

  /* Nav */
  --nav-h: 62px;

  /* Transitions */
  --tf: 150ms cubic-bezier(.25,.46,.45,.94);
  --t:  250ms cubic-bezier(.25,.46,.45,.94);
}

/* ── DARK MODE ───────────────────────────────────────────────────────── */
.dark {
  --bg:   #080c14;
  --bg2:  #0e1420;
  --bg3:  #131c2c;
  --bg4:  #1a2438;
  --bg5:  #1f2d44;
  --glass:        rgba(14,20,32,0.72);
  --glass2:       rgba(14,20,32,0.88);
  --glass-border: rgba(255,255,255,0.08);
  --glass-shadow: rgba(0,0,0,0.4);
  --bdr:  rgba(255,255,255,0.07);
  --bdr2: rgba(255,255,255,0.12);
  --bdr3: rgba(255,255,255,0.2);
  --t1:  #f0f6ff;
  --t2:  #8fa5c8;
  --t3:  #4a6080;
  --t4:  #2a3c54;
  --s0: 0 1px 4px rgba(0,0,0,.4);
  --s1: 0 4px 16px rgba(0,0,0,.3);
  --s2: 0 8px 32px rgba(0,0,0,.4);
  --s3: 0 20px 60px rgba(0,0,0,.5);
}

/* ── RESET ───────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
body{
  font-family:var(--font);background:var(--bg);color:var(--t1);
  min-height:100dvh;display:flex;flex-direction:column;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
  padding-left:env(safe-area-inset-left);
  padding-right:env(safe-area-inset-right);
  transition:background .3s,color .3s;
}
a{color:var(--blue);text-decoration:none}
ul{list-style:none}
img,svg{display:block;max-width:100%}
button,input,select,textarea{font-family:var(--font);-webkit-tap-highlight-color:transparent;touch-action:manipulation;border:none;background:none}
button{cursor:pointer;color:inherit}
main{flex:1}

/* ── LAYOUT ──────────────────────────────────────────────────────────── */
.container   {max-width:1100px;margin:0 auto;padding:0 1.5rem}
.container-sm{max-width:740px; margin:0 auto;padding:0 1.5rem}

/* ── LIQUID GLASS CARD ───────────────────────────────────────────────── */
.glass-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:saturate(200%) blur(24px);
  -webkit-backdrop-filter:saturate(200%) blur(24px);
  box-shadow:var(--s1),inset 0 1px 0 rgba(255,255,255,.6);
}
.dark .glass-card{box-shadow:var(--s1),inset 0 1px 0 rgba(255,255,255,.04)}

.card{
  background:var(--bg2);
  border:1px solid var(--bdr);
  border-radius:var(--r-xl);
  box-shadow:var(--s0);
}

/* ── NAVBAR ──────────────────────────────────────────────────────────── */
.navbar{
  position:sticky;top:0;z-index:900;
  height:var(--nav-h);
  background:rgba(240,244,255,.85);
  backdrop-filter:saturate(180%) blur(28px);
  -webkit-backdrop-filter:saturate(180%) blur(28px);
  border-bottom:1px solid rgba(0,0,0,.06);
  box-shadow:0 1px 0 rgba(255,255,255,.8),var(--s0);
}
.dark .navbar{
  background:rgba(8,12,20,.82);
  border-bottom-color:rgba(255,255,255,.07);
  box-shadow:0 1px 0 rgba(255,255,255,.03);
}
.navbar .inner{height:100%;display:flex;align-items:center;gap:.5rem;max-width:1100px;margin:0 auto;padding:0 1.5rem}

/* Logo */
.logo{display:flex;align-items:center;gap:.5rem;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(145deg,#2563eb,#0ea5e9);
  display:grid;place-items:center;flex-shrink:0;
  box-shadow:0 2px 8px rgba(37,99,235,.35);
}
.logo-mark svg{width:18px;height:18px}
.logo-name{font-size:1.05rem;font-weight:700;letter-spacing:-.025em;color:var(--t1)}
.logo-tag{
  font-size:.55rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  background:rgba(37,99,235,.1);border:1px solid rgba(37,99,235,.2);
  color:var(--blue);border-radius:var(--r-pill);padding:.1rem .4rem;
}

/* Nav links */
.nav-links{display:flex;align-items:center;gap:.1rem;margin-left:auto}
.nav-a{
  display:block;padding:.38rem .85rem;border-radius:var(--r-pill);
  color:var(--t2);font-size:.8rem;font-weight:500;
  transition:all var(--tf);white-space:nowrap
}
.nav-a:hover{color:var(--t1);background:rgba(0,0,0,.05)}
.dark .nav-a:hover{background:rgba(255,255,255,.08)}
.nav-a.active{color:var(--blue);background:rgba(37,99,235,.08);font-weight:600}

.nav-actions{display:flex;align-items:center;gap:.4rem;margin-left:.5rem}
.icon-btn{
  width:36px;height:36px;border-radius:var(--r-pill);
  background:rgba(0,0,0,.04);border:1px solid var(--bdr);
  display:grid;place-items:center;color:var(--t2);
  transition:all var(--tf);flex-shrink:0;cursor:pointer
}
.icon-btn:hover{color:var(--t1);background:rgba(0,0,0,.07);border-color:var(--bdr2)}
.dark .icon-btn{background:rgba(255,255,255,.06)}
.dark .icon-btn:hover{background:rgba(255,255,255,.1)}
.icon-btn svg{width:16px;height:16px}

/* Burger */
.burger{
  display:none;flex-direction:column;gap:5px;
  width:36px;height:36px;border-radius:var(--r-sm);
  background:rgba(0,0,0,.04);border:1px solid var(--bdr);
  align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;
  transition:all var(--tf)
}
.burger span{display:block;width:16px;height:1.5px;background:var(--t2);border-radius:2px;transition:all var(--tf);transform-origin:center}
.burger.open span:nth-child(1){transform:rotate(45deg) translate(4.5px,4.5px)}
.burger.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.burger.open span:nth-child(3){transform:rotate(-45deg) translate(4.5px,-4.5px)}

@media(max-width:768px){
  .burger{display:flex}
  .nav-links{
    position:fixed;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:var(--bg2);border-bottom:1px solid var(--bdr);
    padding:.75rem 1rem 1rem;gap:.2rem;
    transform:translateY(-110%);opacity:0;
    transition:transform var(--t),opacity var(--t);z-index:899;
    box-shadow:var(--s2)
  }
  .nav-links.open{transform:translateY(0);opacity:1}
  .nav-a{padding:.75rem 1rem;border-radius:var(--r-md);font-size:.9rem}
}

/* ── BUTTONS ─────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.6rem 1.4rem;border-radius:var(--r-pill);
  font-size:.875rem;font-weight:600;letter-spacing:-.01em;
  transition:all var(--tf);white-space:nowrap;cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,#2563eb,#0ea5e9);
  color:#fff;border:none;
  box-shadow:0 2px 8px rgba(37,99,235,.35),0 1px 2px rgba(0,0,0,.1);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(37,99,235,.45),0 2px 4px rgba(0,0,0,.1)}
.btn-primary:active{transform:scale(.97)}
.btn-ghost{
  background:var(--bg2);border:1px solid var(--bdr2);color:var(--t2);
  box-shadow:var(--s0)
}
.btn-ghost:hover{color:var(--t1);border-color:var(--bdr3);background:var(--bg3)}
.btn-sm{padding:.4rem 1rem;font-size:.8rem}
.btn-lg{padding:.8rem 2rem;font-size:1rem}
.btn-xl{padding:1rem 2.5rem;font-size:1.1rem;border-radius:var(--r-xl)}

/* ── METRIC CARD ─────────────────────────────────────────────────────── */
.metric-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-radius:var(--r-lg);padding:1.1rem 1.25rem;
  box-shadow:var(--s0),inset 0 1px 0 rgba(255,255,255,.5);
  transition:all var(--t);
}
.dark .metric-card{box-shadow:var(--s0),inset 0 1px 0 rgba(255,255,255,.04)}
.metric-card.active{border-color:rgba(37,99,235,.35);box-shadow:0 0 0 3px rgba(37,99,235,.1),var(--s1)}
.metric-card.done{border-color:rgba(22,163,74,.35);box-shadow:0 0 0 3px rgba(22,163,74,.1),var(--s1)}
.metric-label{font-size:.65rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--t3);margin-bottom:.45rem}
.metric-val{font-size:1.9rem;font-weight:800;letter-spacing:-.05em;color:var(--t1);font-variant-numeric:tabular-nums;line-height:1;font-family:var(--mono)}
.metric-unit{font-size:.68rem;color:var(--t3);margin-top:.2rem;font-weight:500}

/* ── GAUGE ───────────────────────────────────────────────────────────── */
.gauge-wrap{display:flex;flex-direction:column;align-items:center;padding:1rem 0}
.gauge-svg{width:220px;height:220px;overflow:visible;contain:layout style}
.gauge-track{fill:none;stroke:var(--bg5);stroke-width:14}
.dark .gauge-track{stroke:var(--bg4)}
.gauge-arc{
  fill:none;stroke:#2563eb;stroke-width:14;stroke-linecap:round;
  stroke-dasharray:565.49;stroke-dashoffset:565.49;
  transform:rotate(-90deg);transform-origin:50% 50%;
  will-change:stroke-dashoffset;
  filter:drop-shadow(0 0 8px #2563eb);
}
.gauge-val{font-size:2.8rem;font-weight:800;fill:var(--t1);text-anchor:middle;dominant-baseline:middle;font-family:var(--mono);letter-spacing:-.05em;font-variant-numeric:tabular-nums}
.gauge-unit{font-size:.8rem;fill:var(--t3);text-anchor:middle;dominant-baseline:middle;font-family:var(--font);letter-spacing:.05em;text-transform:uppercase}
/* Speed-bar marker — uses transform for GPU compositing instead of left */
.speed-bar-marker{position:absolute;top:50%;width:16px;height:16px;background:#fff;border:2px solid var(--blue);border-radius:50%;transform:translate(-50%,-50%) translateX(0%);box-shadow:0 2px 6px rgba(0,0,0,.2);will-change:transform;z-index:1}
.gauge-sub{font-size:.68rem;fill:var(--t3);text-anchor:middle;dominant-baseline:middle;font-family:var(--font);letter-spacing:.06em;text-transform:uppercase}

/* ── GO BUTTON ───────────────────────────────────────────────────────── */
.go-wrap{position:relative;display:inline-flex;align-items:center;justify-content:center}
.pulse-ring{
  position:absolute;width:96px;height:96px;border-radius:50%;
  border:2px solid #2563eb;opacity:0;pointer-events:none;
}
.go-wrap.running .pulse-ring{animation:pulse-out 1.8s ease-out infinite}
.pulse-ring.r2{animation-delay:.6s}
.pulse-ring.r3{animation-delay:1.2s}
@keyframes pulse-out{0%{transform:scale(.85);opacity:.55}100%{transform:scale(2.2);opacity:0}}
.go-btn{
  width:76px;height:76px;border-radius:50%;
  background:linear-gradient(145deg,#2563eb,#0ea5e9);
  color:#fff;font-size:.7rem;font-weight:800;letter-spacing:.15em;
  font-family:var(--font);cursor:pointer;position:relative;z-index:1;
  box-shadow:0 4px 20px rgba(37,99,235,.4),0 2px 8px rgba(0,0,0,.12),inset 0 1px 0 rgba(255,255,255,.25);
  transition:all var(--tf);
}
.go-btn:hover{transform:scale(1.06);box-shadow:0 8px 32px rgba(37,99,235,.5),0 4px 12px rgba(0,0,0,.15)}
.go-btn:active{transform:scale(.95)}
.go-btn.running{background:linear-gradient(145deg,#dc2626,#b91c1c);box-shadow:0 4px 20px rgba(220,38,38,.4)}

/* ── SPEED BAR ───────────────────────────────────────────────────────── */
.speed-bar{background:var(--bg5);border-radius:var(--r-pill);height:8px;position:relative;overflow:visible;margin:.75rem 0 .4rem}
.dark .speed-bar{background:var(--bg4)}
.speed-bar-fill{background:linear-gradient(90deg,#dc2626,#d97706,#16a34a,#0ea5e9,#2563eb);height:100%;border-radius:var(--r-pill)}
/* speed-bar-marker defined above — GPU-driven via transform */
.speed-bar-labels{display:flex;justify-content:space-between;font-size:.62rem;color:var(--t3);letter-spacing:.03em}

/* ── RATING BADGE ────────────────────────────────────────────────────── */
.rating-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .9rem;border-radius:var(--r-pill);font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.rating-badge.poor   {background:rgba(220,38,38,.1); color:#dc2626;border:1px solid rgba(220,38,38,.25)}
.rating-badge.fair   {background:rgba(217,119,6,.1); color:#d97706;border:1px solid rgba(217,119,6,.25)}
.rating-badge.good   {background:rgba(22,163,74,.1); color:#16a34a;border:1px solid rgba(22,163,74,.25)}
.rating-badge.fast   {background:rgba(14,165,233,.1);color:#0ea5e9;border:1px solid rgba(14,165,233,.25)}
.rating-badge.vfast  {background:rgba(37,99,235,.1); color:#2563eb;border:1px solid rgba(37,99,235,.25)}
.rating-badge.blazing{background:rgba(124,58,237,.1);color:#7c3aed;border:1px solid rgba(124,58,237,.25)}

/* ── SUGGESTION ITEMS ────────────────────────────────────────────────── */
.sugg{display:flex;align-items:flex-start;gap:.65rem;padding:.8rem 1rem;border-radius:var(--r-md);font-size:.84rem;line-height:1.55}
.sugg.tip  {background:rgba(14,165,233,.07);border:1px solid rgba(14,165,233,.18)}
.sugg.warn {background:rgba(217,119,6,.07); border:1px solid rgba(217,119,6,.18)}
.sugg.info {background:rgba(71,85,105,.07); border:1px solid rgba(71,85,105,.18)}
.sugg.great{background:rgba(22,163,74,.07); border:1px solid rgba(22,163,74,.18)}

/* ── INFO GRID ───────────────────────────────────────────────────────── */
.info-grid{display:grid;gap:1px;background:var(--bdr);border:1px solid var(--bdr);border-radius:var(--r-lg);overflow:hidden}
.info-grid.g2{grid-template-columns:1fr 1fr}
.info-grid.g3{grid-template-columns:repeat(3,1fr)}
.info-grid.ga{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
.info-item{background:var(--bg2);padding:.85rem 1.1rem}
.info-key{font-size:.65rem;color:var(--t3);text-transform:uppercase;letter-spacing:.09em;font-weight:700;margin-bottom:.25rem}
.info-val{font-size:.86rem;color:var(--t1);font-family:var(--mono);word-break:break-all}

/* ── INPUT ───────────────────────────────────────────────────────────── */
.input{
  width:100%;background:var(--bg2);border:1.5px solid var(--bdr2);
  border-radius:var(--r-md);padding:.68rem 1rem;
  color:var(--t1);font-size:.9rem;outline:none;
  transition:border-color var(--tf),box-shadow var(--tf);
  box-shadow:var(--s0);
}
.input:focus{border-color:var(--blue);box-shadow:var(--glow-blue)}
.input::placeholder{color:var(--t3)}

/* ── SEARCH BAR ──────────────────────────────────────────────────────── */
.search-wrap{position:relative}
.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--t3);pointer-events:none}
.search-input{
  width:100%;
  background:var(--glass2);
  border:1.5px solid var(--glass-border);
  border-radius:var(--r-pill);
  padding:.82rem 1.1rem .82rem 3rem;
  font-size:.92rem;color:var(--t1);font-family:var(--font);
  outline:none;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:var(--s1),inset 0 1px 0 rgba(255,255,255,.6);
  transition:border-color .15s,box-shadow .15s;
}
.dark .search-input{background:rgba(14,20,32,.8);border-color:rgba(255,255,255,.1);box-shadow:var(--s1)}
.search-input:focus{border-color:rgba(37,99,235,.5);box-shadow:var(--glow-blue),var(--s1)}
.search-input::placeholder{color:var(--t3)}
#searchResults{
  position:absolute;left:0;right:0;top:calc(100% + .5rem);
  background:var(--glass2);border:1px solid var(--bdr2);
  border-radius:var(--r-xl);box-shadow:var(--s3);
  z-index:300;overflow:hidden;display:none;
  backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px);
}
.sr-item{display:flex;align-items:center;gap:.75rem;padding:.7rem 1.1rem;cursor:pointer;text-decoration:none;color:var(--t1);transition:background var(--tf)}
.sr-item:hover{background:rgba(37,99,235,.06)}
.sr-icon{font-size:1.1rem;width:28px;text-align:center;flex-shrink:0}
.sr-name{font-size:.86rem;font-weight:600}
.sr-cat{font-size:.69rem;color:var(--t3)}

/* ── TOOL CARD ───────────────────────────────────────────────────────── */
.tc{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:var(--r-lg);padding:.9rem 1rem;
  display:flex;align-items:center;gap:.65rem;
  text-decoration:none;color:inherit;
  transition:all var(--tf);overflow:hidden;
  box-shadow:var(--s0),inset 0 1px 0 rgba(255,255,255,.5);
}
.dark .tc{box-shadow:var(--s0),inset 0 1px 0 rgba(255,255,255,.04)}
.tc:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:rgba(37,99,235,.25)}
.tc:hover .tc-arr{opacity:1;transform:translateX(0)}
.tc-em{width:38px;height:38px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex-shrink:0}
.tc-body{flex:1;min-width:0}
.tc-name{font-size:.83rem;font-weight:700;color:var(--t1);line-height:1.3}
.tc-desc{font-size:.69rem;color:var(--t2);margin-top:.1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tc-arr{opacity:0;transform:translateX(-5px);transition:all var(--tf);color:var(--t3);font-size:.85rem;flex-shrink:0}
.tc-tag{position:absolute;top:.38rem;right:.5rem;font-size:.55rem;font-weight:800;padding:.07rem .38rem;border-radius:var(--r-pill);text-transform:uppercase;letter-spacing:.05em}
.tag-hot  {background:rgba(220,38,38,.1); color:#dc2626;border:1px solid rgba(220,38,38,.2)}
.tag-new  {background:rgba(22,163,74,.1); color:#16a34a;border:1px solid rgba(22,163,74,.2)}
.tag-trend{background:rgba(217,119,6,.1); color:#d97706;border:1px solid rgba(217,119,6,.2)}
.tag-ai   {background:rgba(124,58,237,.1);color:#7c3aed;border:1px solid rgba(124,58,237,.2)}

/* ── CATEGORY BLOCK ──────────────────────────────────────────────────── */
.cat-block{margin-bottom:2.5rem}
.cat-head{display:flex;align-items:center;gap:.6rem;margin-bottom:1rem;padding-bottom:.55rem;border-bottom:1px solid var(--bdr)}
.cat-emoji{font-size:1.1rem}
.cat-name{font-size:.94rem;font-weight:800;letter-spacing:-.02em;color:var(--t1)}
.cat-n{font-size:.62rem;color:var(--t3);font-weight:700;background:var(--bg4);border:1px solid var(--bdr);border-radius:var(--r-pill);padding:.1rem .48rem}
.cat-see{margin-left:auto;font-size:.73rem;color:var(--blue);font-weight:600;text-decoration:none}
.cat-see:hover{opacity:.8}
.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:.6rem}
@media(max-width:500px){.tgrid{grid-template-columns:repeat(2,1fr);gap:.45rem}}

/* ── FILTER TABS ─────────────────────────────────────────────────────── */
.filter-bar{display:flex;gap:.4rem;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:.2rem;margin-bottom:2rem;-webkit-overflow-scrolling:touch}
.filter-bar::-webkit-scrollbar{display:none}
.ftab{
  padding:.38rem 1rem;border-radius:var(--r-pill);
  border:1.5px solid var(--bdr2);color:var(--t2);
  font-size:.78rem;font-weight:600;background:var(--glass);
  cursor:pointer;white-space:nowrap;transition:all .12s;font-family:var(--font);flex-shrink:0;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  box-shadow:var(--s0)
}
.ftab:hover{border-color:var(--blue);color:var(--blue)}
.ftab.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:700;box-shadow:0 2px 8px rgba(37,99,235,.35)}

/* ── FAQ ─────────────────────────────────────────────────────────────── */
.faq-item{border-bottom:1px solid var(--bdr)}
.faq-item:last-child{border-bottom:none}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:1rem 0;font-size:.9rem;font-weight:600;color:var(--t1);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:.75rem;font-family:var(--font);transition:color var(--tf)}
.faq-q:hover{color:var(--blue)}
.faq-q .arr{font-size:1rem;color:var(--t3);transition:transform .22s;flex-shrink:0}
.faq-item.open .arr{transform:rotate(90deg)}
.faq-item.open .faq-a{max-height:400px}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-ai{padding-bottom:1rem;color:var(--t2);font-size:.86rem;line-height:1.75}

/* ── AD SLOT ─────────────────────────────────────────────────────────── */
.ad-slot{background:var(--bg2);border:1px solid var(--bdr);border-radius:var(--r-md);padding:.6rem;text-align:center;min-height:90px;display:flex;align-items:center;justify-content:center;margin:1.5rem 0}
.ad-label{font-size:.56rem;color:var(--t3);text-transform:uppercase;letter-spacing:.09em;display:block;margin-bottom:.25rem}

/* ── FOOTER ──────────────────────────────────────────────────────────── */
.footer{background:var(--bg2);border-top:1px solid var(--bdr);padding:3rem 0 2rem;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
.footer-brand p{font-size:.83rem;color:var(--t2);line-height:1.65;margin-top:.6rem;max-width:240px}
.footer-col h4{font-size:.67rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--t3);margin-bottom:.8rem}
.footer-col ul{display:flex;flex-direction:column;gap:.42rem}
.footer-col a{font-size:.83rem;color:var(--t2);transition:color var(--tf)}
.footer-col a:hover{color:var(--t1)}
.footer-bottom{padding-top:1.5rem;border-top:1px solid var(--bdr);display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.footer-bottom p{font-size:.77rem;color:var(--t3)}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--t2)}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}

/* ── TOAST ───────────────────────────────────────────────────────────── */
#toasts{position:fixed;bottom:1.5rem;right:1.5rem;z-index:9999;display:flex;flex-direction:column;gap:.5rem;pointer-events:none}
.toast{display:flex;align-items:center;gap:.6rem;background:var(--bg2);border:1px solid var(--bdr2);border-radius:var(--r-lg);padding:.7rem 1rem;font-size:.84rem;box-shadow:var(--s3);transform:translateX(120%);opacity:0;transition:transform var(--t),opacity var(--t);pointer-events:auto;max-width:320px}
.toast.show{transform:translateX(0);opacity:1}
.toast.success{border-left:3px solid var(--green)}
.toast.error{border-left:3px solid var(--red)}
.toast.info{border-left:3px solid var(--blue)}

/* ── PROGRESS BAR ────────────────────────────────────────────────────── */
.prog-bar{height:4px;background:var(--bg4);border-radius:var(--r-pill);overflow:hidden}
.prog-fill{height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:var(--r-pill);transition:width .3s ease}

/* ── PING DOTS ───────────────────────────────────────────────────────── */
.ping-dots{display:flex;gap:4px;flex-wrap:wrap;margin-top:.5rem}
.ping-dot{width:9px;height:9px;border-radius:50%;background:var(--bg4);border:1px solid var(--bdr);transition:background var(--tf),transform var(--tf)}
.ping-dot.sent{background:var(--cyan);transform:scale(1.3)}
.ping-dot.good{background:var(--green)}
.ping-dot.warn{background:var(--amber)}
.ping-dot.bad {background:var(--red)}

/* ── HISTORY TABLE ───────────────────────────────────────────────────── */
.hist-table{width:100%;border-collapse:collapse;font-size:.83rem}
.hist-table th{text-align:left;padding:.55rem .75rem;color:var(--t3);font-size:.64rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--bdr)}
.hist-table td{padding:.6rem .75rem;border-bottom:1px solid var(--bdr);color:var(--t2)}
.hist-table td.num{font-family:var(--mono);color:var(--t1)}
.hist-table tr:last-child td{border-bottom:none}
.hist-table tr:hover td{background:rgba(37,99,235,.03)}

/* ── GRAPH WRAPPER ───────────────────────────────────────────────────── */
.graph-wrap{background:var(--bg3);border:1px solid var(--bdr);border-radius:var(--r-lg);overflow:hidden;position:relative}
.graph-wrap canvas{width:100%;height:110px;display:block}

/* ── PAGE HERO ───────────────────────────────────────────────────────── */
.page-hero{padding:4rem 0 3rem;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(37,99,235,.07) 0%,transparent 70%);pointer-events:none}
.page-hero h1{font-size:clamp(1.8rem,4.5vw,3rem);font-weight:800;letter-spacing:-.045em;line-height:1.1;margin-bottom:.7rem}
.page-hero .sub{font-size:1rem;color:var(--t2);max-width:480px;margin:0 auto;line-height:1.65}

/* ── SECTION LABEL ───────────────────────────────────────────────────── */
.sec-label{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--t3);margin-bottom:.85rem}

/* ── UTILS ───────────────────────────────────────────────────────────── */
.hidden{display:none!important}
.mono{font-family:var(--mono)}
.center{text-align:center}
.divider{height:1px;background:var(--bdr);margin:1.5rem 0}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.75rem}.mt-4{margin-top:2.5rem}
.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.75rem}
.text-blue{color:var(--blue)}.text-green{color:var(--green)}.text-red{color:var(--red)}.text-muted{color:var(--t2)}
.chip{display:inline-flex;align-items:center;gap:.3rem;padding:.22rem .62rem;border-radius:var(--r-pill);font-size:.69rem;font-weight:600;letter-spacing:.04em;background:rgba(0,0,0,.05);border:1px solid var(--bdr);color:var(--t2)}
.dark .chip{background:rgba(255,255,255,.07)}

/* ── SCROLLBAR ───────────────────────────────────────────────────────── */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--bg5);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--t3)}
::selection{background:rgba(37,99,235,.2);color:var(--t1)}

/* ── SKELETON ────────────────────────────────────────────────────────── */
.skeleton{background:linear-gradient(90deg,var(--bg3) 25%,var(--bg4) 50%,var(--bg3) 75%);background-size:200% 100%;animation:shimmer 1.6s infinite;border-radius:var(--r-sm)}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}

/* ── ANIMATIONS ──────────────────────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* ── MOBILE ──────────────────────────────────────────────────────────── */
@media(max-width:640px){
  .card{padding:1.25rem}
  .metric-val{font-size:1.6rem}
  .gauge-svg{width:180px;height:180px}
  .go-btn{width:66px;height:66px}
}

/* ── LEGACY VAR COMPAT (older sub-pages) ─────────────────────────────── */
:root{
  --accent:var(--blue);--accent2:var(--cyan);--accent3:var(--purple);
  --text:var(--t1);--text2:var(--t2);--text3:var(--t3);
  --bg-color:var(--bg);
  --border:var(--bdr);--border2:var(--bdr2);
  --green:var(--green);--red:var(--red);--yellow:var(--amber);--orange:var(--amber);
  --r-full:var(--r-pill);
  --t-fast:var(--tf);
  --glass2:var(--glass2);
  --bg-glass:var(--glass);
  --shadow-lg:var(--s3);
}

/* ═══ FULL LEGACY COMPATIBILITY ALIASES ══════════════════════════════ */
:root {
  /* Old var names → new */
  --accent:        #2563eb;
  --accent2:       #0ea5e9;
  --accent3:       #7c3aed;
  --text:          #0f172a;
  --text2:         #475569;
  --text3:         #94a3b8;
  --border2:       rgba(0,0,0,0.12);
  --border3:       rgba(0,0,0,0.18);
  --r-full:        9999px;
  --glass2:        rgba(255,255,255,0.88);
  --bg-glass:      rgba(255,255,255,0.72);
  --shadow-lg:     0 20px 60px rgba(100,120,200,.18);
  --shadow-sm:     0 1px 3px rgba(0,0,0,.06);
  --shadow:        0 4px 16px rgba(100,120,200,.1);
  --t-fast:        150ms cubic-bezier(.25,.46,.45,.94);
  --t-slow:        400ms cubic-bezier(.25,.46,.45,.94);
  --glow-accent:   0 0 0 3px rgba(37,99,235,.15);
  --glow-green:    0 0 0 3px rgba(22,163,74,.12);
  --yellow:        #d97706;
  --orange:        #d97706;
}
.dark {
  --accent:        #3b82f6;
  --accent2:       #0ea5e9;
  --accent3:       #7c3aed;
  --text:          #f0f6ff;
  --text2:         #8fa5c8;
  --text3:         #4a6080;
  --border2:       rgba(255,255,255,0.12);
  --border3:       rgba(255,255,255,0.2);
  --glass2:        rgba(14,20,32,0.88);
  --bg-glass:      rgba(14,20,32,0.72);
}
/* ── Legacy .btn override for old pages that hardcode btn styles ─── */
.box{background:var(--bg2);border:1px solid var(--bdr2);border-radius:var(--r-xl);padding:2rem;margin-bottom:2rem}
.metrics{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;margin-top:1.5rem}
.metric{background:var(--bg2);border:1px solid var(--bdr);border-radius:14px;padding:.85rem 1.25rem;text-align:center;min-width:80px}
.metric .v{font-size:1.5rem;font-weight:700;font-family:var(--mono)}
.metric .l{font-size:.65rem;color:var(--t3);text-transform:uppercase;letter-spacing:.08em;margin-top:.2rem}

/* ═══ PRIVACY TRUST SYSTEM ═══════════════════════════════════════════ */
.privacy-toast{
  position:fixed;bottom:1.25rem;left:50%;transform:translateX(-50%);
  z-index:9990;
  background:rgba(22,163,74,.97);
  backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-pill);
  padding:.65rem 1.25rem .65rem .9rem;
  display:flex;align-items:center;gap:.65rem;
  box-shadow:0 8px 28px rgba(22,163,74,.35),0 2px 8px rgba(0,0,0,.15);
  font-size:.82rem;font-weight:600;color:#fff;white-space:nowrap;
  animation:pt-in .4s cubic-bezier(.34,1.56,.64,1) forwards;
  cursor:pointer;
  max-width:90vw;overflow:hidden;text-overflow:ellipsis
}
@keyframes pt-in{from{opacity:0;transform:translateX(-50%) translateY(16px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
.privacy-toast.hide{animation:pt-out .3s forwards}
@keyframes pt-out{to{opacity:0;transform:translateX(-50%) translateY(20px)}}
.privacy-toast svg{width:16px;height:16px;flex-shrink:0}

/* Privacy Trust Badge (inline in pages) */
.trust-bar{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  gap:.5rem 1.5rem;padding:.75rem 1.25rem;
  background:rgba(22,163,74,.06);
  border:1px solid rgba(22,163,74,.18);
  border-radius:var(--r-lg);
  margin-bottom:1.5rem;
}
.trust-item{display:flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:600;color:var(--green)}
.trust-item svg{width:14px;height:14px;flex-shrink:0}

/* Privacy Shield (large, for privacy page) */
.privacy-shield{
  background:linear-gradient(135deg,rgba(22,163,74,.08),rgba(37,99,235,.06));
  border:2px solid rgba(22,163,74,.22);
  border-radius:var(--r-2xl);
  padding:2rem;
  text-align:center;
  margin-bottom:2.5rem;
}
.privacy-shield .shield-icon{font-size:3.5rem;line-height:1;margin-bottom:.75rem}
.privacy-shield h2{font-size:1.6rem;font-weight:800;letter-spacing:-.03em;margin-bottom:.5rem;color:var(--green)}
.privacy-shield p{font-size:.92rem;color:var(--t2);max-width:540px;margin:0 auto 1.25rem}
.privacy-proof-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem;text-align:left}
.proof-card{background:var(--bg2);border:1px solid var(--bdr);border-radius:var(--r-lg);padding:1.1rem}
.proof-card h4{font-size:.88rem;font-weight:700;margin-bottom:.4rem;display:flex;align-items:center;gap:.4rem}
.proof-card p{font-size:.8rem;color:var(--t2);line-height:1.6}
.proof-card .check{color:var(--green)}

/* Toast stacking */
#toasts{position:fixed;bottom:2rem;right:1rem;z-index:9999;display:flex;flex-direction:column;gap:.5rem}

/* Smooth speed-bar fill via clip-path for silky motion */
.speed-bar{background:var(--bg5);border-radius:var(--r-pill);height:8px;position:relative;overflow:visible;margin:.75rem 0 .4rem}
.dark .speed-bar{background:var(--bg4)}
.speed-bar-fill{background:linear-gradient(90deg,#dc2626,#d97706,#16a34a,#0ea5e9,#2563eb);height:100%;border-radius:var(--r-pill)}

/* ── COMPATIBILITY ALIASES (used by many pages) ─────────────────────── */
/* Maps legacy var names used across page templates to the design system */
:root {
  --accent:   #0dc7f0;   /* cyan accent used by inner pages */
  --accent2:  #7c3aed;   /* purple accent */
  --border:   rgba(0,0,0,0.07);   /* = --bdr */
  --border2:  rgba(0,0,0,0.12);   /* = --bdr2 */
  --border3:  rgba(0,0,0,0.18);   /* = --bdr3 */
  --r-full:   9999px;             /* = --r-pill */
  --r-xl:     28px;
  --ease:     cubic-bezier(.25,.46,.45,.94);
  --t-fast:   120ms;
}
.dark {
  --border:   rgba(255,255,255,0.07);
  --border2:  rgba(255,255,255,0.12);
  --border3:  rgba(255,255,255,0.20);
}

/* ── PERFORMANCE: GPU-hint for animated elements ─────────────────────── */
.tool, .navbar, .aurora i { will-change: transform; }

/* ── SCROLL PERFORMANCE ──────────────────────────────────────────────── */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}