*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0a0a0f;--surface:#12121a;--surface2:#1a1a26;--surface3:#22222f;
  --border:#2a2a3a;--text:#e8e8f0;--text2:#9898aa;
  --accent:#6c5ce7;--accent2:#a29bfe;--accent3:#fd79a8;
  --green:#00b894;--orange:#fdcb6e;--red:#e17055;
  --radius:14px;--shadow:0 8px 32px rgba(0,0,0,.4);
}
html{scroll-behavior:smooth}
body{font-family:'Outfit',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}

/* Skip Link (Accessibility) */
.skip-link{position:absolute;top:-100px;left:16px;background:var(--accent);color:#fff;padding:10px 20px;border-radius:8px;
  font-size:.85rem;font-weight:600;z-index:9999;text-decoration:none;transition:top .2s}
.skip-link:focus{top:16px}

/* Keyboard Focus */
*:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
body::after{content:'';position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

header>nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 40px;
  display:flex;align-items:center;justify-content:space-between;
  background:rgba(10,10,15,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.logo{font-weight:900;font-size:1.5rem;letter-spacing:-1px;text-decoration:none;color:var(--text)}
.logo span{color:var(--accent)}
.nav-search{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:8px 16px;
  color:var(--text);font-family:'Outfit',sans-serif;font-size:.85rem;width:240px;outline:none;transition:.2s}
.nav-search:focus{border-color:var(--accent);width:300px}

.hero{padding:140px 40px 60px;text-align:center;position:relative}
.hero::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:800px;height:600px;
  background:radial-gradient(ellipse,rgba(108,92,231,.12) 0%,transparent 70%);pointer-events:none}
.hero h1{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:900;letter-spacing:-2px;line-height:1.1;margin-bottom:20px}
.hero h1 .gradient{background:linear-gradient(135deg,var(--accent),var(--accent3));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{color:var(--text2);font-size:1.1rem;max-width:560px;margin:0 auto 40px;line-height:1.7}
.hero-stats{display:flex;gap:48px;justify-content:center}
.hero-stats div{text-align:center}
.hero-stats strong{display:block;font-size:2rem;font-weight:800;color:var(--accent2)}
.hero-stats span{font-size:.8rem;color:var(--text2);text-transform:uppercase;letter-spacing:1px}

.tools-section{padding:20px 40px 80px;max-width:1400px;margin:0 auto}
.cat-title{font-size:1.4rem;font-weight:800;letter-spacing:-1px;margin:40px 0 20px;padding-left:4px;
  border-left:4px solid var(--accent);padding-left:16px}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}

.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;
  cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}
.tool-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 12px 40px rgba(108,92,231,.15)}
.tool-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent3));opacity:0;transition:.3s}
.tool-card:hover::before{opacity:1}
.tool-card.hidden{display:none}
.category.hidden{display:none}
.tool-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;margin-bottom:12px;background:var(--surface2)}
.tool-card h3{font-size:.95rem;font-weight:700;margin-bottom:6px}
.tool-card p{font-size:.78rem;color:var(--text2);line-height:1.5}

.modal-overlay{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.7);backdrop-filter:blur(8px);
  display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.active{display:flex}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:18px;
  width:100%;max-width:750px;max-height:90vh;overflow-y:auto;padding:36px;position:relative;
  animation:modalIn .35s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(30px) scale(.96)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface2);color:var(--text);font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.modal-close:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.modal h2{font-size:1.4rem;font-weight:800;margin-bottom:6px}
.modal .modal-desc{color:var(--text2);font-size:.85rem;margin-bottom:24px}

textarea,.input-field{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:10px;
  padding:12px 14px;color:var(--text);font-family:'Outfit',sans-serif;font-size:.9rem;resize:vertical;
  transition:.2s;outline:none}
textarea:focus,.input-field:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(108,92,231,.15)}
textarea{min-height:110px}
label{display:block;font-size:.8rem;font-weight:600;color:var(--text2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.form-group{margin-bottom:16px}

.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:10px;border:none;
  font-family:'Outfit',sans-serif;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .25s}
.btn-primary{background:linear-gradient(135deg,var(--accent),#8b7cf7);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(108,92,231,.35)}
.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent2)}
.btn-group{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}

.result-box{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:16px;
  margin-top:16px;font-family:'JetBrains Mono',monospace;font-size:.85rem;line-height:1.7;
  white-space:pre-wrap;word-break:break-all;min-height:50px;position:relative;display:none}
.result-box.visible{display:block;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.copy-btn{position:absolute;top:8px;right:8px;padding:5px 10px;border-radius:8px;border:1px solid var(--border);
  background:var(--surface3);color:var(--text2);font-size:.73rem;font-family:'Outfit',sans-serif;cursor:pointer;transition:.2s}
.copy-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}

select{appearance:none;background:var(--surface2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239898aa' fill='none' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 14px center;
  border:1px solid var(--border);border-radius:10px;padding:10px 40px 10px 14px;color:var(--text);
  font-family:'Outfit',sans-serif;font-size:.88rem;cursor:pointer;outline:none;width:100%;transition:.2s}
select:focus{border-color:var(--accent)}

.file-drop{border:2px dashed var(--border);border-radius:14px;padding:40px 20px;text-align:center;
  cursor:pointer;transition:all .3s;position:relative}
.file-drop:hover{border-color:var(--accent);background:rgba(108,92,231,.05)}
.file-drop input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer}
.file-drop .drop-icon{font-size:2rem;margin-bottom:10px;display:block}
.file-drop .drop-text{font-size:.85rem;color:var(--text2)}
.file-drop .drop-text strong{color:var(--accent2)}

.progress-bar{width:100%;height:6px;background:var(--surface2);border-radius:3px;overflow:hidden;margin-top:12px;display:none}
.progress-bar.visible{display:block}
.progress-bar .fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent3));border-radius:3px;transition:width .3s;width:0}

.download-area{margin-top:14px;display:none;flex-wrap:wrap;gap:10px}
.download-area.visible{display:flex}

.canvas-preview{max-width:100%;border-radius:10px;margin-top:12px;display:none}

.diff-add{background:rgba(0,184,148,.15);color:var(--green)}
.diff-del{background:rgba(225,112,85,.15);color:var(--red);text-decoration:line-through}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin-top:14px}
.stat-box{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:14px;text-align:center}
.stat-box strong{display:block;font-size:1.5rem;font-weight:800;color:var(--accent2)}
.stat-box span{font-size:.75rem;color:var(--text2);text-transform:uppercase}

.color-swatch{width:100%;height:60px;border-radius:10px;margin-bottom:8px;cursor:pointer;border:1px solid var(--border)}
.palette-row{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.palette-color{width:60px;height:60px;border-radius:10px;cursor:pointer;border:1px solid var(--border);position:relative}
.palette-color:hover::after{content:attr(data-color);position:absolute;bottom:-20px;left:50%;transform:translateX(-50%);
  font-size:.65rem;color:var(--text2);white-space:nowrap}

.range-wrap{display:flex;align-items:center;gap:12px}
.range-wrap input[type="range"]{flex:1;accent-color:var(--accent)}

.preview-card{background:var(--surface2);border:1px solid var(--border);border-radius:14px;padding:20px;margin-top:14px}

/* FAQ */
.faq-section{max-width:900px;margin:0 auto;padding:40px 40px 60px}
.faq-grid{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.faq-item summary{padding:16px 20px;cursor:pointer;font-weight:600;font-size:.95rem;list-style:none;display:flex;align-items:center;justify-content:space-between}
.faq-item summary::after{content:'+';font-size:1.2rem;color:var(--accent2);font-weight:300;transition:.3s}
.faq-item[open] summary::after{content:'-';transform:rotate(180deg)}
.faq-item p{padding:0 20px 16px;color:var(--text2);font-size:.88rem;line-height:1.7}
.faq-item summary::-webkit-details-marker{display:none}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:60px 40px 30px;color:var(--text2);font-size:.82rem}
.footer-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;gap:40px;margin-bottom:40px}
.footer-col{flex:1;min-width:0}
.footer-col:first-child{flex:2}
.footer-col h3{font-size:.95rem;font-weight:700;color:var(--text);margin-bottom:12px}
.footer-col p{line-height:1.7}
.footer-col nav{display:flex;flex-direction:column;gap:8px}
.footer-col nav a{color:var(--text2);text-decoration:none;font-size:.82rem;transition:.2s;display:block}
.footer-col nav a:hover{color:var(--accent2)}
.footer-copy{text-align:center;padding-top:20px;border-top:1px solid var(--border)}
header nav .nav-links a{color:var(--text2);text-decoration:none;font-size:.85rem;font-weight:500;transition:.2s}
header nav .nav-links a:hover{color:var(--accent2)}
header nav .nav-links{display:flex;gap:20px;align-items:center}

::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--surface3);border-radius:3px}

@media(max-width:768px){
  header>nav{padding:12px 16px;flex-wrap:wrap;gap:8px}
  .nav-search{width:100%;order:2}
  .hero{padding:120px 20px 40px}
  .tools-section{padding:10px 16px 60px}
  .modal{padding:20px;margin:8px}
  .hero-stats{gap:20px}
  .tools-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
  .footer-content{flex-direction:column;gap:24px}
  .faq-section{padding:20px 16px 40px}
}