*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#07071a;--surface:#0f0f2a;--surface2:#16163a;--surface3:#1e1e50;
  --border:rgba(120,100,255,0.15);--border2:rgba(255,255,255,0.07);
  --accent1:#7c5cff;--accent2:#33c3ff;--accent3:#ff7a45;--accent4:#2ad88a;--accent5:#ff4fa3;
  --text:#f0f0ff;--text2:#9da8c7;--text3:#6b7494;--radius:20px;
  --glow:0 0 40px rgba(124,92,255,0.25);
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;min-height:100vh;overflow-x:hidden}
a{color:inherit;text-decoration:none}
/* Animated BG */
body::before{content:'';position:fixed;inset:0;
  background:radial-gradient(ellipse 120% 80% at 20% -10%,rgba(124,92,255,0.12) 0%,transparent 60%),
             radial-gradient(ellipse 80% 60% at 80% 110%,rgba(51,195,255,0.08) 0%,transparent 60%);
  pointer-events:none;z-index:0}
.page-wrap{position:relative;z-index:1}
/* NAV */
.nav{position:sticky;top:0;z-index:200;background:rgba(7,7,26,0.8);backdrop-filter:blur(24px);
  border-bottom:1px solid var(--border);padding:0 32px}
.nav-inner{max-width:1300px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800}
.nav-logo-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent1),var(--accent2));display:flex;align-items:center;justify-content:center;font-size:18px}
.nav-logo-text{background:linear-gradient(135deg,var(--accent1),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-back{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text2);padding:9px 18px;border-radius:999px;border:1px solid var(--border);transition:.2s}
.nav-back:hover{color:var(--text);border-color:var(--accent1);background:rgba(124,92,255,0.08)}
/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:12px;border:none;font-family:'Inter',sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:.2s;position:relative;overflow:hidden}
.btn::after{content:'';position:absolute;inset:0;background:rgba(255,255,255,0);transition:.2s}
.btn:hover::after{background:rgba(255,255,255,0.07)}
.btn-primary{background:linear-gradient(135deg,var(--accent1),var(--accent2));color:#fff;box-shadow:0 8px 24px rgba(124,92,255,0.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(124,92,255,0.4)}
.btn-ghost{background:rgba(255,255,255,0.05);color:var(--text2);border:1px solid var(--border2)}
.btn-ghost:hover{color:var(--text);background:rgba(255,255,255,0.09);border-color:var(--accent1)}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:10px}
.btn-xs{padding:5px 12px;font-size:12px;border-radius:8px}
/* FORM */
textarea,input[type=text],input[type=number],select{
  width:100%;background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:12px;
  color:var(--text);font-family:'Inter',sans-serif;font-size:14px;padding:12px 16px;outline:none;transition:.2s;resize:vertical}
textarea:focus,input[type=text]:focus,input[type=number]:focus,select:focus{border-color:var(--accent1);box-shadow:0 0 0 3px rgba(124,92,255,0.12);background:rgba(124,92,255,0.04)}
input[type=range]{width:100%;accent-color:var(--accent1);cursor:pointer;height:4px}
input[type=color]{width:100%;height:50px;padding:4px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,0.04);cursor:pointer}
input[type=file]{width:100%;background:rgba(255,255,255,0.04);border:1px dashed var(--border);border-radius:12px;padding:14px;color:var(--text2);font-size:13px;cursor:pointer;transition:.2s}
input[type=file]:hover{border-color:var(--accent1);background:rgba(124,92,255,0.05)}
.label{font-size:12px;font-weight:700;color:var(--text2);margin-bottom:6px;display:block;letter-spacing:.06em;text-transform:uppercase}
.output-box{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:12px;padding:14px 16px;font-size:14px;min-height:60px;white-space:pre-wrap;word-break:break-all;color:var(--text2);font-family:'JetBrains Mono',monospace;line-height:1.6;transition:.3s}
.output-box.good{color:var(--accent4);border-color:rgba(42,216,138,0.25);background:rgba(42,216,138,0.04)}
.output-box.error-text{color:#ff6b6b;border-color:rgba(255,107,107,0.25);background:rgba(255,107,107,0.04)}
.output-box.info{color:var(--accent2);border-color:rgba(51,195,255,0.2);background:rgba(51,195,255,0.04)}
/* LAYOUT */
.container{max-width:900px;margin:0 auto;padding:0 24px}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}
.check-group{display:flex;flex-wrap:wrap;gap:12px}
.check-label{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:500;cursor:pointer;color:var(--text2);padding:6px 12px;border-radius:8px;border:1px solid var(--border);transition:.2s}
.check-label:hover{color:var(--text);border-color:var(--accent1);background:rgba(124,92,255,0.07)}
.check-label input{accent-color:var(--accent1);width:14px;height:14px;cursor:pointer}
/* TOOL PAGE HERO */
.tool-hero{padding:48px 0 36px;text-align:center}
.tool-hero-icon{width:80px;height:80px;border-radius:24px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;font-size:40px;position:relative}
.tool-hero-icon::after{content:'';position:absolute;inset:-2px;border-radius:26px;background:inherit;opacity:.3;filter:blur(16px);z-index:-1}
.tool-hero h1{font-size:clamp(28px,5vw,44px);font-weight:800;margin-bottom:10px}
.tool-hero p{font-size:16px;color:var(--text2);max-width:500px;margin:0 auto;line-height:1.7}
/* TOOL CARD */
.tool-panel{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:28px;margin-bottom:20px;position:relative;overflow:hidden}
.tool-panel::before{content:'';position:absolute;inset:0;border-radius:24px;background:linear-gradient(135deg,rgba(124,92,255,0.03),transparent);pointer-events:none}
/* STRENGTH */
.strength-bar{display:flex;gap:5px;margin-top:8px}
.strength-seg{height:5px;flex:1;border-radius:99px;background:rgba(255,255,255,0.07);transition:.35s}
/* SWATCH */
.swatch-row{display:flex;gap:10px;flex-wrap:wrap}
.swatch{border-radius:14px;cursor:pointer;transition:.18s;border:2px solid transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:visible;position:relative}
.swatch:hover{transform:scale(1.1) translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,0.4)}
/* SCROLLBAR */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.12);border-radius:99px}
/* BACK LINK */
.back-bar{padding:16px 0;border-bottom:1px solid var(--border2);margin-bottom:0}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text2);padding:7px 14px;border-radius:10px;background:rgba(255,255,255,0.04);border:1px solid var(--border2);transition:.18s}
.back-link:hover{color:var(--text);border-color:var(--accent1);background:rgba(124,92,255,0.08)}
/* GRID STATS */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:12px}
.stat-box{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:14px;padding:14px;text-align:center}
.stat-val{font-size:24px;font-weight:800}
.stat-lbl{font-size:11px;color:var(--text2);margin-top:3px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}
/* BADGE */
.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em}
.badge-purple{background:rgba(124,92,255,0.14);color:#c5b8ff;border:1px solid rgba(124,92,255,0.2)}
.badge-green{background:rgba(42,216,138,0.1);color:#70f0b8;border:1px solid rgba(42,216,138,0.2)}
.badge-blue{background:rgba(51,195,255,0.1);color:#89e0ff;border:1px solid rgba(51,195,255,0.2)}
.badge-orange{background:rgba(255,122,69,0.1);color:#ffb080;border:1px solid rgba(255,122,69,0.2)}
/* FOOTER */
.tool-footer{text-align:center;padding:40px 24px;color:var(--text3);font-size:13px;border-top:1px solid var(--border2);margin-top:40px}
.tool-footer a{color:var(--accent2);font-weight:600}