:root{
  --bg:#fafaf9; --surface:#ffffff; --ink:#0a0a0b; --ink2:#3f3f46; --muted:#71717a;
  --line:#e7e7ea; --line2:#f0f0f2; --accent:#ff5b2e; --accent2:#6d5efc; --ok:#16a34a; --warn:#f59e0b;
  --sans:"Geist",system-ui,-apple-system,sans-serif; --mono:"Geist Mono",ui-monospace,monospace;
  --ease:cubic-bezier(.22,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent2);outline-offset:2px;border-radius:8px}
.wrap{width:min(1100px,92%);margin:0 auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:999px;font-weight:600;font-size:.94rem;border:1px solid transparent;cursor:pointer;transition:transform .3s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s;text-decoration:none;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:scale(.97)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.1) inset,0 6px 20px -6px rgba(10,10,11,.4)}
.btn-dark:hover{background:#27272a}
.btn-line{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-line:hover{border-color:#cfcfd6;background:#fcfcfc}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 24px -8px rgba(255,91,46,.6)}
.btn-accent:hover{background:#f04e22}
.btn-violet{background:var(--accent2);color:#fff;box-shadow:0 8px 24px -8px rgba(109,94,252,.6)}
.btn-violet:hover{background:#5a49eb}
.btn-sm{height:36px;padding:0 16px;font-size:.86rem}
.btn-lg{height:50px;padding:0 26px;font-size:1.02rem}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important}

/* Header */
header.site{position:sticky;top:0;z-index:40;background:rgba(250,250,249,.85);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line);transition:background .3s}
.nav{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:-.02em;font-size:1.02rem}
.logo{width:26px;height:26px;border-radius:8px;background:var(--ink);display:grid;place-items:center}
.logo i{width:11px;height:11px;border-radius:3px;background:var(--accent);transform:rotate(45deg);display:block}
.navlinks{display:flex;gap:4px;font-size:.9rem;color:var(--muted)}
.navlinks a{padding:7px 12px;border-radius:999px;transition:all .2s}
.navlinks a:hover{color:var(--ink);background:var(--line2)}
.menu-btn{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--surface);cursor:pointer;font-size:1.1rem;place-items:center}

/* Page Layout */
main.page{flex:1;padding:32px 0 80px}
.crumbs{font-size:.86rem;color:var(--muted);margin-bottom:20px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.crumbs a:hover{color:var(--ink)}
.crumbs span{color:var(--ink2);font-weight:500}
.page-head{margin-bottom:32px}
.page-head h1{font-size:clamp(1.9rem,4vw,2.7rem);letter-spacing:-.035em;line-height:1.1;font-weight:700}
.page-head p{color:var(--muted);margin-top:10px;max-width:62ch;font-size:1.04rem}

/* Cards & Grid */
.tool-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:22px;align-items:start}
.tool-grid.wide-left{grid-template-columns:1.2fr 0.9fr}
.card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.card h2{font-size:.8rem;font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600;margin-bottom:18px;display:flex;align-items:center;justify-content:space-between}
.card-sub{font-size:.85rem;color:var(--muted);margin-top:-10px;margin-bottom:18px}

/* Forms & Fields */
.form{display:grid;gap:18px}
.field label{display:block;font-size:.84rem;font-weight:600;color:var(--ink2);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;height:46px;border-radius:12px;border:1px solid var(--line);background:#fff;padding:0 14px;font-size:.96rem;transition:border-color .2s,box-shadow .2s}
.field textarea{height:auto;padding:12px 14px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px rgba(109,94,252,.12)}
.field input[type=number]{font-family:var(--mono)}
.field .hint{font-size:.78rem;color:var(--muted);margin-top:6px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* Segmented Buttons */
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{height:34px;padding:0 13px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-family:var(--mono);font-size:.8rem;cursor:pointer;color:var(--ink2);transition:all .2s}
.seg button:hover{border-color:var(--ink)}
.seg button.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* File Drop Zone */
.dropzone{border:1.8px dashed #d4d4d8;border-radius:18px;padding:36px 20px;text-align:center;cursor:pointer;transition:all .25s var(--ease);background:linear-gradient(180deg,#fff,#fcfcfd);position:relative}
.dropzone:hover,.dropzone.over{border-color:var(--accent);background:#fff6f3}
.dropzone-icon{width:48px;height:48px;border-radius:14px;background:var(--line2);display:grid;place-items:center;margin:0 auto 14px;color:var(--ink)}
.dropzone-icon svg{width:24px;height:24px}
.dropzone strong{display:block;font-size:1.02rem;color:var(--ink);margin-bottom:4px}
.dropzone small{color:var(--muted);font-size:.85rem}

/* File Thumb / Selected State */
.file-badge{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;margin-top:14px}
.file-badge .thumb-box{width:46px;height:46px;border-radius:10px;background:var(--line2);display:grid;place-items:center;overflow:hidden;flex-shrink:0}
.file-badge .thumb-box img{width:100%;height:100%;object-fit:cover}
.file-badge .file-meta{flex:1;min-width:0}
.file-badge .file-name{display:block;font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-badge .file-size{font-family:var(--mono);font-size:.76rem;color:var(--muted)}
.file-badge .change-btn{font-size:.78rem;font-weight:600;color:var(--accent);background:none;border:none;cursor:pointer;padding:4px 8px;border-radius:6px}
.file-badge .change-btn:hover{background:#fff1ec}

/* Comparison & Stats Panel */
.stat-pill{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-radius:14px;background:var(--bg);border:1px solid var(--line2);margin-bottom:10px}
.stat-pill span{font-size:.88rem;color:var(--ink2)}
.stat-pill strong{font-family:var(--mono);font-size:.95rem}
.stat-pill.highlight{background:var(--ink);border-color:var(--ink);color:#fff;padding:16px 18px}
.stat-pill.highlight span{color:#d4d4d8}
.stat-pill.highlight strong{color:#fff;font-size:1.35rem}
.stat-badge{display:inline-block;padding:2px 8px;border-radius:6px;font-size:.75rem;font-family:var(--mono);font-weight:600}
.stat-badge.saved{background:#dcfce7;color:#15803d}

/* Live Preview Box */
.preview-box{border:1px solid var(--line);border-radius:16px;background:repeating-conic-gradient(#f7f7f8 0% 25%, #fff 0% 50%) 50% / 16px 16px;overflow:hidden;min-height:220px;max-height:380px;display:grid;place-items:center;position:relative;margin-bottom:18px}
.preview-box img,.preview-box canvas{max-width:100%;max-height:360px;object-fit:contain;border-radius:8px}
.preview-box .placeholder-hint{color:var(--muted);font-size:.88rem;text-align:center;padding:20px}

/* Progress Bar */
.prog{height:6px;border-radius:6px;background:var(--line2);overflow:hidden;margin:14px 0;display:none}
.prog.show{display:block}
.prog-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .2s linear}

/* Actions Row */
.actions{margin-top:22px;display:flex;gap:10px;justify-content:flex-end;align-items:center}
.actions.split{justify-content:space-between}

/* Messages */
.msg{min-height:1.3em;font-size:.9rem;color:var(--muted);margin-bottom:10px}
.msg.err{color:#dc2626}
.msg.ok{color:var(--ok)}

/* Calculator Results */
#results{display:grid;gap:10px}
.res{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;border-radius:14px;background:var(--bg);border:1px solid var(--line2);animation:fadeUp .5s var(--ease) backwards}
.res span{color:var(--ink2);font-size:.92rem}
.res strong{font-family:var(--mono);font-weight:500;font-size:1rem;text-align:right}
.res.text strong{font-family:var(--sans);font-weight:600}
.res.big{background:var(--ink);border-color:var(--ink);padding:20px 18px}
.res.big span{color:#d4d4d8}
.res.big strong{color:#fff;font-size:1.5rem;letter-spacing:-.02em}
.notes{margin-top:18px;font-size:.84rem;color:var(--muted);display:grid;gap:6px}

/* QR Code Specific */
.qr-preview-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:26px;background:var(--bg);border-radius:18px;border:1px solid var(--line2);margin-bottom:18px}
.qr-canvas-holder{padding:14px;background:#fff;border-radius:14px;border:1px solid var(--line);box-shadow:0 10px 30px -15px rgba(0,0,0,.15);display:inline-block}
.qr-canvas-holder canvas,.qr-canvas-holder img{display:block;max-width:100%;height:auto}
.color-picker-row{display:flex;align-items:center;gap:10px}
.color-picker-row input[type=color]{width:44px;height:44px;padding:2px;border-radius:10px;border:1px solid var(--line);cursor:pointer;background:#fff}

/* Coming Soon Specific UI */
.coming-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:48px 36px;text-align:center;overflow:hidden;box-shadow:0 30px 60px -30px rgba(10,10,11,.15);max-width:780px;margin:20px auto 40px}
.coming-glow{position:absolute;left:50%;top:-100px;transform:translateX(-50%);width:500px;height:240px;background:radial-gradient(closest-side,rgba(255,91,46,.15),transparent 70%);pointer-events:none}
.coming-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:#fff1ec;color:var(--accent);font-family:var(--mono);font-size:.76rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:20px}
.coming-badge.violet{background:#f1efff;color:var(--accent2)}
.coming-badge span.dot{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}
.coming-card h2{font-size:clamp(1.8rem,4vw,2.4rem);letter-spacing:-.03em;margin-bottom:12px;font-weight:700}
.coming-card p.lead{font-size:1.06rem;color:var(--muted);max-width:54ch;margin:0 auto 28px}
.coming-notify{display:flex;gap:8px;max-width:440px;margin:0 auto 36px}
.coming-notify input{flex:1;height:48px;border-radius:999px;border:1px solid var(--line);padding:0 20px;font-size:.95rem;background:#fff}
.coming-notify input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px rgba(255,91,46,.12)}
.features-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;text-align:left;border-top:1px solid var(--line2);padding-top:32px;margin-top:10px}
.feat-item{background:var(--bg);border:1px solid var(--line2);border-radius:16px;padding:18px}
.feat-item h4{font-size:.92rem;font-weight:600;margin-bottom:4px}
.feat-item p{font-size:.82rem;color:var(--muted);line-height:1.4}

/* Available Tools Section in Tool Pages */
.alt-tools{margin-top:60px;padding-top:40px;border-top:1px solid var(--line)}
.alt-tools h3{font-size:1.2rem;letter-spacing:-.02em;margin-bottom:18px;font-weight:600}
.alt-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.alt-tool{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:10px;transition:all .25s var(--ease);text-decoration:none}
.alt-tool:hover{transform:translateY(-2px);border-color:#cfcfd6;box-shadow:0 12px 24px -16px rgba(0,0,0,.15)}
.alt-tool-top{display:flex;align-items:center;gap:10px}
.alt-tool .alt-ic{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:var(--line2)}
.alt-tool .alt-ic svg{width:16px;height:16px}
.alt-tool h4{font-size:.94rem;font-weight:600}
.alt-tool p{font-size:.84rem;color:var(--muted);margin-top:-4px}

/* Footer */
footer.site{border-top:1px solid var(--line);padding:36px 0;color:var(--muted);font-size:.88rem;margin-top:auto}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;align-items:center}
.foot a:hover{color:var(--ink)}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}}

/* Responsive */
@media (max-width:860px){
  .tool-grid,.tool-grid.wide-left{grid-template-columns:1fr}
  .navlinks{display:none}
  .menu-btn{display:grid}
  .navlinks.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--bg);padding:14px 4%;border-bottom:1px solid var(--line);box-shadow:0 10px 25px rgba(0,0,0,.05)}
  .features-mini{grid-template-columns:1fr}
  .coming-card{padding:36px 20px}
  .coming-notify{flex-direction:column}
  .coming-notify .btn{height:46px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}