*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0a0b0f;--bg2:#11131a;--card:#161922;--card2:#1a1e28;--border:#232733;--border2:#2d3340;--text:#e8eaf0;--dim:#7a8190;--accent:#00d4aa;--hover:#00f5c8;--green:#2ecc71;--red:#ff3b3b;--blue:#4f8cff;--r:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.7;overflow-x:hidden}
.navbar{display:flex;justify-content:space-between;align-items:center;padding:.75rem 2rem;border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(10,11,15,.92);backdrop-filter:blur(12px);z-index:50}
.navbar .brand{font-weight:800;color:var(--text);text-decoration:none;font-size:1.05rem;display:flex;align-items:center;gap:.4rem}
.navbar .nav-links{display:flex;gap:1rem}
.navbar .nav-links a{color:var(--dim);text-decoration:none;font-size:.82rem;transition:color .2s;min-height:44px;display:inline-flex;align-items:center}
.navbar .nav-links a:hover,.navbar .nav-links a.active{color:var(--hover)}
main{max-width:760px;margin:0 auto;padding:2.5rem 2rem 3rem}
h1{font-size:2.2rem;margin-bottom:.4rem;background:linear-gradient(135deg,#00d4aa,#4f8cff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.subtitle{color:var(--dim);font-size:1rem;margin-bottom:1.5rem}
h2{font-size:1.15rem;margin:1.5rem 0 .6rem;color:var(--hover)}
p{margin-bottom:.75rem}a{color:var(--hover)}

.tool-card{background:var(--card);border:1px solid var(--border2);border-radius:var(--r);padding:1.5rem;margin-bottom:1.5rem}
.card-title{font-size:.78rem;color:var(--dim);text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-bottom:1rem}
.control-group{margin-bottom:1rem}
.control-group label{display:block;font-size:.78rem;color:var(--dim);margin-bottom:.4rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.control-group input{width:100%;background:var(--bg2);border:1px solid var(--border2);border-radius:10px;padding:.75rem .9rem;color:var(--text);font-size:1.1rem;font-family:"SF Mono",Monaco,"Courier New",monospace}
.control-group input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,212,170,.15)}
.btn{background:linear-gradient(135deg,var(--accent),#00a884);color:#000;border:none;border-radius:10px;padding:.6rem 1.2rem;font-size:.85rem;font-weight:600;cursor:pointer;font-family:inherit;min-height:40px;transition:transform .1s}
.btn:hover{box-shadow:0 4px 14px rgba(0,212,170,.4)}
.btn:active{transform:scale(.97)}
.btn-secondary{background:var(--bg2);border:1px solid var(--border2);color:var(--text)}
.btn-row{display:flex;gap:.5rem;flex-wrap:wrap}

.result-list{display:grid;gap:.6rem;margin-top:.75rem}
.result-item{background:var(--bg2);border:1px solid var(--border2);border-radius:10px;padding:.8rem 1rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:all .15s}
.result-item:hover{border-color:var(--accent)}
.result-item .label{font-size:.78rem;color:var(--dim);text-transform:uppercase;letter-spacing:.04em}
.result-item .value{font-size:.95rem;color:var(--text);font-family:"SF Mono",Monaco,monospace;font-weight:600}
.result-item .copy-icon{opacity:0;transition:opacity .15s;color:var(--accent);font-size:.8rem}
.result-item:hover .copy-icon{opacity:1}

.now-display{text-align:center;background:var(--bg2);border:1px solid var(--border2);border-radius:10px;padding:1rem;margin-bottom:1rem}
.now-display .now-label{font-size:.75rem;color:var(--dim);text-transform:uppercase;letter-spacing:.05em}
.now-display .now-value{font-size:2rem;font-weight:800;color:var(--accent);font-family:"SF Mono",Monaco,monospace;font-variant-numeric:tabular-nums}
.now-display .now-date{font-size:.85rem;color:var(--dim);margin-top:.25rem}

.preset-btns{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.5rem}
.preset-btn{background:var(--bg2);border:1px solid var(--border2);border-radius:8px;padding:.4rem .7rem;font-size:.78rem;color:var(--dim);cursor:pointer;transition:all .15s;font-family:inherit}
.preset-btn:hover{border-color:var(--accent);color:var(--text)}

.stats-footer{text-align:center;margin:1.5rem 0;font-size:.78rem;color:var(--dim)}
.stats-footer strong{color:var(--hover);font-variant-numeric:tabular-nums}
.stat-divider{margin:0 .6rem;opacity:.4}
footer{text-align:center;padding:1.5rem 2rem;color:var(--dim);font-size:.75rem;border-top:1px solid var(--border)}
footer a{color:var(--hover);text-decoration:none}
.seo-section{color:var(--dim);font-size:.88rem;margin-top:2.5rem;line-height:1.8}
.seo-section h2{color:var(--text)}
.seo-section table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.82rem}
.seo-section td{padding:.4rem .6rem;border-bottom:1px solid var(--border2)}
.seo-section td:first-child{font-weight:600;color:var(--hover);width:120px;font-family:monospace}

@keyframes fade{0%{opacity:0}100%{opacity:1}}
@media(max-width:760px){main{padding:2rem 1rem 3rem}h1{font-size:1.6rem}.navbar{padding:.75rem 1rem}.navbar .nav-links{gap:.6rem}}