:root{
  --bg:#f5f7fb;--surface:#fff;--text:#0f172a;--muted:#64748b;--primary:#4f46e5;--primary-dark:#3730a3;--border:#dbe3ef;--soft:#eef2ff;--danger:#dc2626;--shadow:0 24px 70px rgba(15,23,42,.08);--radius:28px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top left,#eef2ff,transparent 34rem),linear-gradient(180deg,#f8fafc,#eef4fb);color:var(--text)}a{color:inherit}.skip-link{position:fixed;left:16px;top:12px;z-index:2000;transform:translateY(-150%);padding:12px 16px;border-radius:999px;background:#0f172a;color:#fff;font-weight:900;text-decoration:none}.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,227,239,.86)}.nav-container{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:13px 0;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}.brand img{width:44px;height:44px;border-radius:14px;flex:0 0 44px}.brand strong{display:block;font-size:1.22rem;line-height:1;color:#0f172a;letter-spacing:-.035em}.brand small{display:block;margin-top:4px;color:var(--muted);font-weight:780;font-size:.86rem;white-space:nowrap}.site-nav{display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap}.site-nav a{min-height:44px;padding:12px 15px;border-radius:999px;text-decoration:none;font-weight:880;color:#334155;line-height:1}.site-nav a:hover,.site-nav a:focus-visible{background:#eef2ff;color:#312e81;outline:none}.site-nav .nav-cta{background:#fff;border:1px solid var(--border);box-shadow:0 10px 28px -24px rgba(15,23,42,.5)}main{width:min(1180px,calc(100% - 32px));margin:0 auto}.hero{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-top:28px;padding:34px 38px;border:1px solid var(--border);border-radius:34px;background:linear-gradient(135deg,#fff,#f8fbff);box-shadow:var(--shadow);overflow:hidden}.hero h1{font-size:clamp(2.15rem,5vw,4.7rem);line-height:.96;letter-spacing:-.065em;margin:0 0 18px}.hero p{max-width:740px;color:#52637a;font-size:1.08rem;line-height:1.65;font-weight:720;margin:0}.eyebrow{margin:0 0 10px!important;text-transform:uppercase;letter-spacing:.12em;color:var(--primary);font-weight:950;font-size:.78rem}.hero-actions,.hero-mini-grid{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.hero-mini-grid span{border:1px solid #dbe3ef;background:#fff;border-radius:999px;padding:9px 12px;color:#334155;font-weight:850;font-size:.9rem}.button{appearance:none;border:1px solid var(--border);background:#fff;color:#172033;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;border-radius:999px;padding:13px 18px;font:inherit;font-weight:900;text-decoration:none;cursor:pointer;transition:.15s ease;white-space:nowrap}.button:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(15,23,42,.08)}.button:disabled{opacity:.52;cursor:not-allowed;transform:none;box-shadow:none}.button.primary{background:linear-gradient(135deg,var(--primary),#2563eb);color:#fff;border-color:#3730a3}.button.secondary{background:#fff;color:#312e81;border-color:#c7d2fe}.button.danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border-color:#b91c1c}.privacy-card{min-width:250px;border:1px solid #c7d2fe;border-radius:26px;background:#fff;padding:20px;box-shadow:0 18px 45px rgba(79,70,229,.08)}.privacy-card strong{display:block;font-size:1.1rem}.privacy-card span{display:block;margin-top:6px;color:var(--muted);font-weight:760}.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:24px 0 70px}.tool-card{display:grid;gap:10px;min-height:220px;text-decoration:none;background:#fff;border:1px solid var(--border);border-radius:28px;padding:26px;box-shadow:0 16px 42px rgba(15,23,42,.06)}.tool-card span,.promo-box span{color:var(--primary);text-transform:uppercase;letter-spacing:.11em;font-size:.75rem;font-weight:950}.tool-card h2{font-size:1.55rem;margin:0}.tool-card p{margin:0;color:var(--muted);line-height:1.55;font-weight:700}.tool-card strong{margin-top:auto;color:var(--primary-dark)}
.recorder-shell{margin:22px 0 70px;padding:24px;border:1px solid var(--border);border-radius:34px;background:rgba(255,255,255,.9);box-shadow:var(--shadow)}.recorder-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.status-row{display:flex;align-items:center;gap:12px;min-width:0}.status-row strong{display:block;font-weight:950}.status-row small{display:block;margin-top:2px;color:#64748b;font-weight:750;line-height:1.3}.status-dot{width:13px;height:13px;border-radius:999px;background:#22c55e;box-shadow:0 0 0 6px rgba(34,197,94,.12);flex:0 0 13px}.status-dot.is-recording{background:#ef4444;box-shadow:0 0 0 6px rgba(239,68,68,.14);animation:pulse 1.2s infinite}.duration-pill{border:1px solid #dbe3ef;border-radius:999px;background:#fff;padding:10px 13px;font-weight:950;color:#0f172a;white-space:nowrap}.control-panel{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:18px}.control-panel .button{width:100%}.wave-card{position:relative;border:1px solid #dbe3ef;border-radius:26px;background:linear-gradient(180deg,#f8fafc,#fff);overflow:hidden}.wave-card canvas{display:block;width:100%;height:280px;touch-action:none}.selection-help{position:absolute;left:16px;bottom:14px;border:1px solid #dbe3ef;border-radius:999px;background:rgba(255,255,255,.9);padding:8px 12px;color:#64748b;font-size:.86rem;font-weight:800}.edit-card{display:grid;grid-template-columns:minmax(110px,140px) minmax(110px,140px) minmax(220px,1fr) auto;gap:12px;margin-top:16px;align-items:end}.edit-card label{display:grid;gap:7px;color:#334155;font-weight:900}.input{width:100%;height:48px;border:1px solid var(--border);border-radius:16px;padding:0 14px;font:inherit;font-weight:800;background:#fff}.two-column-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}.import-card,.download-card,.promo-box{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--border);border-radius:24px;background:#f8fafc;padding:18px;min-width:0}.import-card p,.download-card p,.promo-box p{margin:4px 0 0;color:var(--muted);font-weight:720;line-height:1.45}.file-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 18px;border-radius:999px;border:1px solid #c7d2fe;background:#fff;color:#312e81;font-weight:900;cursor:pointer;white-space:nowrap}#fileInput{position:absolute;inline-size:1px;block-size:1px;opacity:0;pointer-events:none}.download-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.promo-box{margin-top:16px;background:linear-gradient(135deg,#eef2ff,#fff)}.promo-box strong{display:block;margin-top:5px;font-size:1.1rem}.site-footer{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:28px 0 40px;color:var(--muted);font-weight:750;text-align:center}@keyframes pulse{50%{box-shadow:0 0 0 11px rgba(239,68,68,.05)}}
@media(max-width:980px){.nav-container{align-items:flex-start;flex-direction:column}.site-nav{width:100%;justify-content:flex-start}.hero{display:grid;padding:28px}.control-panel{grid-template-columns:repeat(2,minmax(0,1fr))}.edit-card{grid-template-columns:1fr 1fr}.edit-card .button{width:100%}.two-column-row{grid-template-columns:1fr}.download-row{justify-content:flex-start}.privacy-card{min-width:0}}@media(max-width:620px){main,.nav-container,.site-footer{width:calc(100% - 20px)}.brand small{white-space:normal}.site-nav{display:grid;grid-template-columns:1fr;gap:8px}.site-nav a{width:100%;text-align:center;display:flex;align-items:center;justify-content:center}.hero{padding:22px;border-radius:26px}.hero h1{font-size:clamp(2rem,12vw,3.1rem)}.recorder-shell{padding:16px;border-radius:26px}.recorder-topbar{align-items:flex-start;flex-direction:column}.duration-pill{align-self:flex-start}.control-panel,.edit-card{grid-template-columns:1fr}.wave-card canvas{height:220px}.selection-help{position:static;border-radius:0;border-left:0;border-right:0;border-bottom:0}.import-card,.download-card,.promo-box{align-items:stretch;flex-direction:column}.file-button,.download-row .button,.promo-box .button{width:100%}.download-row{width:100%}}


/* v3 live recording waveform */
.status-dot.is-recording + div strong{color:#991b1b}.wave-card:has(.selection-help){isolation:isolate}.is-busy .wave-card{opacity:.92}.recorder-shell:has(.status-dot.is-recording) .wave-card{border-color:#fecaca;box-shadow:0 20px 50px rgba(239,68,68,.08)}

/* v5 calculator suite + calmer live waveform */
.tool-hero h1{max-width:980px}.calculator-shell{margin:22px 0 70px;padding:24px;border:1px solid var(--border);border-radius:34px;background:rgba(255,255,255,.92);box-shadow:var(--shadow);display:grid;gap:18px}.calculator-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.calculator-grid label{display:grid;gap:8px;color:#334155;font-weight:900;min-width:0}.calculator-grid .input{height:56px;border-radius:18px;background:#fff}.result-card{border:1px solid #dbe3ef;border-radius:26px;background:linear-gradient(135deg,#eef2ff,#fff);padding:22px;box-shadow:0 18px 44px rgba(79,70,229,.08)}.result-card span{display:block;color:var(--primary);text-transform:uppercase;letter-spacing:.11em;font-size:.76rem;font-weight:950;margin-bottom:8px}.result-card strong{display:block;font-size:clamp(1.9rem,4vw,3.2rem);line-height:1;letter-spacing:-.05em;color:#0f172a;overflow-wrap:anywhere}.result-card p{margin:12px 0 0;color:#52637a;font-weight:780;line-height:1.5}.result-card-wide strong{font-size:clamp(1rem,2.2vw,1.55rem);line-height:1.3}.tool-note{margin:0;border:1px solid #fde68a;border-radius:18px;background:#fff7ed;color:#92400e;padding:14px 16px;font-weight:780;line-height:1.45}.break-anywhere{overflow-wrap:anywhere;word-break:break-word}.tool-card:hover,.tool-card:focus-visible{transform:translateY(-2px);border-color:#c7d2fe;box-shadow:0 24px 54px rgba(79,70,229,.10);outline:none}.recorder-shell:has(.status-dot.is-recording) .selection-help{color:#991b1b;background:rgba(255,255,255,.94);border-color:#fecaca}@media(max-width:980px){.calculator-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.calculator-shell{padding:16px;border-radius:26px}.calculator-grid{grid-template-columns:1fr}.result-card{border-radius:22px;padding:18px}}


/* v6 SEO landing blocks for indexable one-page tools */
.tool-grid-large{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.seo-text-card,.tool-info-grid article,.faq-section{border:1px solid var(--border);border-radius:28px;background:rgba(255,255,255,.92);box-shadow:0 16px 42px rgba(15,23,42,.055);padding:24px;margin-bottom:24px}.seo-text-card h2,.tool-info-grid h2,.faq-section h2{margin:0 0 10px;font-size:clamp(1.35rem,2.4vw,2rem);letter-spacing:-.035em}.seo-text-card p,.tool-info-grid p{margin:0;color:#52637a;font-weight:740;line-height:1.65}.tool-info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.faq-section{display:grid;gap:12px}.faq-list{display:grid;gap:10px}.faq-list details{border:1px solid #dbe3ef;border-radius:18px;background:#fff;overflow:hidden}.faq-list summary{cursor:pointer;padding:15px 17px;font-weight:950;color:#0f172a;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:'+';float:right;color:var(--primary);font-weight:950}.faq-list details[open] summary::after{content:'−'}.faq-list details p{margin:0;padding:0 17px 16px;color:#64748b;line-height:1.55;font-weight:740}@media(max-width:820px){.tool-info-grid{grid-template-columns:1fr}}

/* v7 ShareSecret */
.sharesecret-hero .hero-mini-grid span{background:#fff;border-color:#c7d2fe;color:#312e81}.sharesecret-shell{margin:22px 0 70px;display:grid;gap:18px}.sharesecret-card{border:1px solid var(--border);border-radius:34px;background:rgba(255,255,255,.94);box-shadow:var(--shadow);padding:26px}.main-share-card{display:grid;gap:18px}.sharesecret-head{display:flex;align-items:center;justify-content:space-between;gap:18px}.sharesecret-head h2,.reveal-card h1{font-size:clamp(1.8rem,4vw,3.2rem);line-height:1;letter-spacing:-.055em;margin:0}.mode-switch{position:relative;display:grid;grid-template-columns:1fr 1.45fr;gap:0;border:1px solid #c7d2fe;border-radius:999px;background:#eef2ff;padding:5px;min-width:320px;box-shadow:inset 0 1px 0 rgba(255,255,255,.75)}.mode-btn{position:relative;z-index:2;border:0;background:transparent;min-height:42px;border-radius:999px;font:inherit;font-weight:950;color:#475569;cursor:pointer;padding:0 16px;white-space:nowrap}.mode-btn.is-active{color:#fff}.mode-pill{position:absolute;z-index:1;left:5px;top:5px;bottom:5px;width:calc((100% - 10px) / 2.45);border-radius:999px;background:linear-gradient(135deg,var(--primary),#2563eb);box-shadow:0 10px 26px rgba(79,70,229,.22);transition:transform .22s ease,width .22s ease}.is-text-mode .mode-pill{width:calc((100% - 10px) * 1.45 / 2.45);transform:translateX(calc((100% - 10px) / 2.45))}.mode-copy{border:1px solid #dbe3ef;background:linear-gradient(135deg,#f8fafc,#fff);border-radius:22px;padding:16px 18px;color:#52637a;font-weight:780;line-height:1.55}.share-label{display:grid;gap:9px;font-weight:950;color:#172033}.share-textarea{width:100%;min-height:180px;resize:vertical;border:1px solid var(--border);border-radius:24px;background:#fff;padding:16px 18px;font:inherit;font-weight:760;line-height:1.55;box-sizing:border-box}.share-textarea:focus,.input:focus{outline:3px solid rgba(79,70,229,.15);border-color:#818cf8}.share-meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#64748b;font-weight:830;font-size:.92rem}.share-meta-row .is-over{color:#dc2626}.share-options-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.share-options-grid label{display:grid;gap:8px;color:#334155;font-weight:950}.share-action-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.share-status{color:#52637a;font-weight:840;line-height:1.35}.share-result{border:1px solid #bbf7d0;border-radius:24px;background:linear-gradient(135deg,#f0fdf4,#fff);padding:18px}.share-result strong{display:block;font-size:1.1rem;color:#166534}.share-result p{margin:6px 0 14px;color:#64748b;font-weight:760;line-height:1.45}.copy-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.trust-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.trust-grid article{border:1px solid #dbe3ef;border-radius:24px;background:#fff;padding:20px;box-shadow:0 16px 42px rgba(15,23,42,.055)}.trust-grid strong{display:block;color:#0f172a;font-size:1.05rem;margin-bottom:7px}.trust-grid p{margin:0;color:#64748b;font-weight:750;line-height:1.55}.share-faq{margin-top:0}.view-shell{max-width:980px}.reveal-card{display:grid;gap:18px}.reveal-copy{margin:0;color:#52637a;font-weight:780;line-height:1.6;max-width:780px}.masked-secret{border:1px solid #c7d2fe;border-radius:24px;background:linear-gradient(135deg,#eef2ff,#fff);padding:28px;font-size:clamp(1.5rem,4vw,2.8rem);letter-spacing:.08em;color:#312e81;font-weight:950;text-align:center;filter:blur(.2px);user-select:none}.revealed-secret{border:1px solid #bbf7d0;border-radius:24px;background:#f0fdf4;overflow:hidden}.reveal-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid #bbf7d0;background:#fff}.revealed-secret pre{margin:0;padding:18px;white-space:pre-wrap;word-break:break-word;color:#0f172a;font:inherit;font-weight:780;line-height:1.6;max-height:520px;overflow:auto}.compact-trust article{box-shadow:none}.site-nav a[href="/sharesecret"]{color:#312e81;background:#eef2ff;border-color:#c7d2fe}@media(max-width:860px){.sharesecret-head{align-items:stretch;flex-direction:column}.mode-switch{min-width:0;width:100%}.share-options-grid,.trust-grid{grid-template-columns:1fr}.copy-row{grid-template-columns:1fr}.copy-row .button{width:100%}}@media(max-width:620px){.sharesecret-card{padding:18px;border-radius:26px}.share-textarea{min-height:150px;border-radius:20px}.share-meta-row{align-items:flex-start;flex-direction:column}.mode-btn{padding:0 10px;font-size:.92rem}.masked-secret{padding:20px;font-size:1.35rem}.trust-grid article{border-radius:20px}}