/* ════════════ FREE TOOLS HUB — common.css ════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
:root{
  --bg:#07080F;--surface:rgba(255,255,255,0.04);--border:rgba(255,255,255,0.08);
  --text:#F1F5F9;--text2:#94A3B8;--text3:#475569;--muted:#334155;
  --p:#6C63FF;--s:#EC4899;--t:#F7971E;
  --green:#10B981;--blue:#3B82F6;--radius:20px;--nav-h:70px;
}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#1E293B;border-radius:99px}

@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-14px) rotate(2deg)}}
@keyframes gradShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes scanLine{0%{top:-2px}100%{top:100%}}
@keyframes countUp{from{opacity:0;transform:scale(0.7)}to{opacity:1;transform:scale(1)}}
@keyframes twinkle{0%,100%{opacity:0;transform:scale(0.3)}50%{opacity:1;transform:scale(1)}}
@keyframes spin{to{transform:rotate(360deg)}}

.fade-up{animation:fadeUp 0.7s cubic-bezier(0.16,1,0.3,1) both}
.grad{background:linear-gradient(135deg,var(--p),var(--s),var(--t));background-size:300% 300%;animation:gradShift 4s ease infinite;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.grad2{background:linear-gradient(90deg,var(--p),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* NAV */
#nav{position:fixed;top:0;left:0;right:0;z-index:500;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;padding:0 40px;background:rgba(7,8,15,0.88);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid rgba(255,255,255,0.07)}
.nav-brand{display:flex;align-items:center;gap:12px;text-decoration:none;cursor:pointer}
.nav-brand-text{display:flex;flex-direction:column}
.nav-title{font-family:'Syne',sans-serif;font-weight:800;font-size:17px;color:#F1F5F9;letter-spacing:-0.3px}
.nav-sub{font-size:9px;color:var(--muted);letter-spacing:1.5px;text-transform:uppercase}
.nav-pills{display:flex;align-items:center;gap:8px}
.nav-hub-link{font-size:12px;font-weight:700;color:var(--text2);text-decoration:none;padding:7px 16px;border-radius:99px;border:1px solid rgba(255,255,255,0.1);transition:all .2s}
.nav-hub-link:hover{color:var(--text);background:rgba(255,255,255,0.06)}
.pill{display:inline-flex;align-items:center;gap:5px;padding:5px 13px;border-radius:99px;font-size:11px;font-weight:700;letter-spacing:0.4px}
.pill-purple{background:rgba(108,99,255,0.15);color:#A78BFA;border:1px solid rgba(108,99,255,0.25)}
.pill-green{background:rgba(16,185,129,0.12);color:#34D399;border:1px solid rgba(16,185,129,0.25)}
.pill-orange{background:rgba(247,151,30,0.12);color:#FCD34D;border:1px solid rgba(247,151,30,0.25)}

/* HERO */
.hero{min-height:86vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:90px 20px 50px;position:relative;overflow:hidden}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(108,99,255,0.05) 1px,transparent 1px),linear-gradient(90deg,rgba(108,99,255,0.05) 1px,transparent 1px);background-size:80px 80px;-webkit-mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);pointer-events:none}
.hero-orb{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none}
.orb1{width:560px;height:560px;background:radial-gradient(circle,rgba(108,99,255,0.22),transparent 65%);top:-80px;left:-130px}
.orb2{width:440px;height:440px;background:radial-gradient(circle,rgba(236,72,153,0.16),transparent 65%);top:100px;right:-80px}
.orb3{width:360px;height:360px;background:radial-gradient(circle,rgba(247,151,30,0.1),transparent 65%);bottom:0;left:35%}
.scanline{position:absolute;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,rgba(108,99,255,0.5),transparent);animation:scanLine 7s linear infinite;pointer-events:none}
#particles{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-content{position:relative;z-index:2;max-width:800px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;padding:7px 20px;border-radius:99px;background:rgba(108,99,255,0.18);color:#A78BFA;border:1px solid rgba(108,99,255,0.3);font-size:12px;font-weight:700;letter-spacing:0.4px;margin-bottom:28px}
.hero-h1{font-family:'Syne',sans-serif;font-size:clamp(34px,6.5vw,70px);font-weight:800;line-height:1.05;letter-spacing:-2.5px;margin-bottom:20px}
.hero-sub{font-size:clamp(15px,2.2vw,18px);color:var(--text3);max-width:540px;margin:0 auto 36px;line-height:1.75}
.hero-sub strong{color:var(--text2)}
.search-wrap{position:relative;max-width:480px;margin:0 auto 48px}
.search-glow{position:absolute;inset:-1px;border-radius:60px;background:linear-gradient(135deg,var(--p),var(--s),var(--t));background-size:200%;animation:gradShift 4s ease infinite;z-index:-1;filter:blur(9px);opacity:0.5}
.search-inner{position:relative;background:rgba(13,15,26,0.95);border-radius:60px;border:1px solid rgba(255,255,255,0.1);display:flex;align-items:center}
.search-icon{position:absolute;left:20px;font-size:17px;color:var(--text3);pointer-events:none}
#searchInput{width:100%;padding:16px 22px 16px 52px;border-radius:60px;border:none;font-size:15px;color:var(--text);outline:none;background:transparent;font-family:inherit}
#searchInput::placeholder{color:var(--text3)}
.stats-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.stat-card{display:flex;flex-direction:column;align-items:center;padding:18px 24px;border-radius:18px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);animation:countUp 0.5s cubic-bezier(0.34,1.56,0.64,1) both}
.stat-num{font-family:'Syne',sans-serif;font-size:24px;font-weight:800;margin-bottom:3px}
.stat-label{font-size:11px;color:var(--muted);font-weight:600;letter-spacing:0.3px}

/* TOOLS GRID */
.tools-section{padding:60px 24px 90px;max-width:1140px;margin:0 auto}
.section-intro{text-align:center;margin-bottom:46px}
.sec-label{display:block;font-size:10px;font-weight:800;letter-spacing:3px;text-transform:uppercase;color:var(--p);margin-bottom:12px}
.section-h2{font-family:'Syne',sans-serif;font-size:clamp(24px,3.6vw,40px);font-weight:800;color:var(--text);letter-spacing:-1.3px;line-height:1.1}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px}
.cat-header{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.cat-line{flex:1;height:1px;background:linear-gradient(90deg,rgba(108,99,255,0.22),transparent)}
.cat-icon{font-size:16px}
.cat-label{font-size:10px;font-weight:800;letter-spacing:3px;text-transform:uppercase;color:var(--p)}
.cat-section{margin-bottom:44px}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.tool-card{border-radius:18px;padding:23px 20px;cursor:pointer;text-align:left;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,0.07);background:rgba(255,255,255,0.03);color:var(--text);width:100%;transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s,border-color .3s;font-family:inherit}
.tool-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--tc,#6C63FF),transparent 65%);opacity:0;transition:opacity .3s}
.tool-card:hover{transform:translateY(-5px);border-color:var(--tc,#6C63FF);box-shadow:0 20px 50px rgba(0,0,0,0.5),0 0 0 1px var(--tc,#6C63FF),0 0 32px var(--tc,#6C63FF)}
.tool-card:hover::before{opacity:.08}
.tc-blob1{position:absolute;top:-26px;right:-26px;width:96px;height:96px;border-radius:50%;pointer-events:none}
.tc-icon{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:21px;margin-bottom:13px}
.tc-cat{font-size:9px;font-weight:800;letter-spacing:1.8px;text-transform:uppercase;margin-bottom:5px}
.tc-title{font-family:'Syne',sans-serif;font-weight:700;font-size:14px;color:var(--text);margin-bottom:6px;line-height:1.3}
.tc-desc{font-size:11.5px;color:var(--text3);line-height:1.6;margin-bottom:15px}
.tc-cta{display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700}
.tc-arrow{width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9px}
.no-results{text-align:center;color:var(--text3);font-size:15px;padding:60px 0}

/* PANEL */
.panel-section{padding-top:var(--nav-h)}
.panel-inner{max-width:640px;margin:0 auto;padding:40px 24px 90px}
.back-btn{display:inline-flex;align-items:center;gap:8px;background:none;border:1px solid rgba(255,255,255,0.1);cursor:pointer;color:var(--text2);font-weight:600;font-size:14px;padding:10px 20px;border-radius:99px;font-family:inherit;transition:all .2s;margin-bottom:30px}
.back-btn:hover{color:var(--text);border-color:rgba(255,255,255,0.22);background:rgba(255,255,255,0.05)}
.tool-header{border-radius:22px;padding:28px;margin-bottom:28px;position:relative;overflow:hidden}
.tool-header-glow{position:absolute;top:-40px;right:-40px;width:150px;height:150px;border-radius:50%;pointer-events:none}
.tool-header-body{display:flex;align-items:center;gap:18px;position:relative}
.tool-header-icon{width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:30px;flex-shrink:0}
.tool-header-cat{font-size:9px;font-weight:800;letter-spacing:2px;text-transform:uppercase;display:block;margin-bottom:6px}
.tool-header-title{font-family:'Syne',sans-serif;font-size:21px;font-weight:800;color:var(--text);line-height:1.15}
.tool-header-desc{font-size:13px;color:var(--text3);margin-top:5px}

/* FORM ELEMENTS */
.setting-block{margin-bottom:20px}
.setting-label{display:block;font-weight:700;font-size:13px;color:var(--text2);margin-bottom:8px}
.inp,.ta,select.inp{width:100%;padding:13px 16px;border-radius:12px;border:1.5px solid rgba(255,255,255,0.09);background:rgba(255,255,255,0.04);color:var(--text);font-size:14px;outline:none;font-family:inherit;transition:border-color .2s,box-shadow .2s}
.inp:focus,.ta:focus{border-color:var(--p);box-shadow:0 0 0 3px rgba(108,99,255,0.15)}
.inp::placeholder,.ta::placeholder{color:var(--text3)}
.ta{resize:vertical;min-height:90px;line-height:1.6}
.ta.mono{font-family:'SF Mono',Consolas,monospace;font-size:13px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
@media(max-width:480px){.row2,.row3{grid-template-columns:1fr}}

.choice-row{display:flex;gap:10px;flex-wrap:wrap}
.ch{flex:1;min-width:80px;padding:11px 6px;border-radius:12px;border:1.5px solid rgba(255,255,255,0.1);background:rgba(255,255,255,0.03);color:#64748B;font-weight:700;font-size:13px;cursor:pointer;font-family:inherit;transition:all .2s}
.ch.active{color:var(--p);background:rgba(108,99,255,0.15);border-color:var(--p)}

input[type=range]{-webkit-appearance:none;appearance:none;height:5px;border-radius:99px;background:#1E293B;outline:none;cursor:pointer;width:100%}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,var(--p),var(--s));cursor:pointer;box-shadow:0 0 0 4px rgba(108,99,255,0.2),0 4px 12px rgba(108,99,255,0.5)}
input[type=color]{width:48px;height:38px;border:1.5px solid rgba(255,255,255,0.1);border-radius:9px;padding:2px;cursor:pointer;background:transparent}

.run-btn{width:100%;padding:16px;border-radius:14px;border:none;color:#fff;font-weight:800;font-size:16px;cursor:pointer;font-family:inherit;transition:all .25s;margin-top:6px}
.run-btn:disabled{background:#1E293B!important;color:#475569;cursor:not-allowed;box-shadow:none!important}
.btn-sm{padding:9px 18px;border-radius:10px;border:1.5px solid rgba(255,255,255,0.1);background:rgba(255,255,255,0.04);color:var(--text2);font-weight:700;font-size:12.5px;cursor:pointer;font-family:inherit;transition:all .2s}
.btn-sm:hover{color:var(--text);background:rgba(255,255,255,0.08)}

.msg{margin-top:15px;padding:13px 18px;border-radius:12px;font-weight:600;font-size:13.5px;line-height:1.5}
.msg a{color:inherit;text-decoration:underline}
.msg-ok{background:rgba(16,185,129,0.1);border:1px solid rgba(16,185,129,0.25);color:#34D399}
.msg-err{background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.25);color:#F87171}
.msg-info{background:rgba(108,99,255,0.1);border:1px solid rgba(108,99,255,0.25);color:#A78BFA}

.out-block{margin-top:18px}
.out-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.out-label{font-weight:700;font-size:13px;color:var(--text2)}
.out-copy{padding:7px 16px;border-radius:8px;border:none;background:linear-gradient(135deg,var(--p),var(--s));color:#fff;font-weight:700;font-size:12px;cursor:pointer;font-family:inherit}

/* chips */
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{display:flex;align-items:center;gap:8px;padding:7px 13px;border-radius:99px;font-size:12px;font-weight:600}
.chip-name{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip-size{font-size:10px;color:var(--text3)}
.chip-rm{border:none;background:none;cursor:pointer;color:var(--text3);font-size:13px;padding:0;line-height:1}

/* dropzone */
.dropzone{border:2px dashed rgba(255,255,255,0.14);border-radius:18px;padding:40px 24px;text-align:center;cursor:pointer;background:rgba(255,255,255,0.02);transition:all .3s;position:relative;overflow:hidden}
.dropzone.drag{background:rgba(108,99,255,0.08);border-color:var(--p)}
.dropzone-icon{font-size:46px;margin-bottom:12px;display:block}
.dropzone-title{font-weight:700;font-size:15px;color:var(--text);margin-bottom:6px}
.dropzone-sub{font-size:12px;color:var(--text3);margin-bottom:18px}
.dropzone-btn{display:inline-block;padding:10px 26px;border-radius:99px;border:none;color:#fff;font-weight:700;font-size:13px;cursor:pointer;font-family:inherit}

/* result tables / cards */
.res-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:8px}
.res-table th,.res-table td{text-align:left;padding:9px 12px;border-bottom:1px solid rgba(255,255,255,0.07)}
.res-table th{color:var(--text2);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:0.5px}
.res-table td{color:var(--text)}
.kv-grid{display:grid;gap:10px}
.kv-row{display:flex;justify-content:space-between;padding:10px 14px;border-radius:10px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);font-size:13px}
.kv-row b{color:var(--text)}
.img-result{border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,0.08);margin-bottom:14px;position:relative}
.img-result img,.img-result canvas{width:100%;display:block}
.img-dl{position:absolute;top:12px;right:12px;padding:8px 18px;border-radius:10px;background:rgba(0,0,0,0.72);color:#fff;font-weight:700;font-size:12px;text-decoration:none;backdrop-filter:blur(8px);border:none;cursor:pointer;font-family:inherit}
.canvas-wrap{border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,0.08);background:repeating-conic-gradient(#1a1d29 0% 25%,#15171f 0% 50%) 50%/16px 16px}
.canvas-wrap canvas{max-width:100%;display:block;margin:0 auto}

/* TRUST STRIP */
.trust-strip{border-top:1px solid rgba(255,255,255,0.05);border-bottom:1px solid rgba(255,255,255,0.05);padding:36px 20px;background:rgba(255,255,255,0.01)}
.trust-inner{max-width:980px;margin:0 auto;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.badge-item{display:flex;align-items:center;gap:9px;padding:11px 16px;border-radius:12px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.07);font-size:12px;font-weight:600;color:var(--text3)}
.badge-item span:first-child{font-size:17px}

/* FOOTER */
.site-footer{background:#050609;border-top:1px solid rgba(255,255,255,0.06);padding:60px 40px 32px}
.footer-inner{max-width:1140px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,0.06)}
.footer-logo-wrap{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.footer-brand-name{font-family:'Syne',sans-serif;font-weight:800;font-size:18px;color:var(--text)}
.footer-brand-sub{font-size:10px;color:var(--muted);letter-spacing:.5px}
.footer-desc{font-size:12px;color:var(--muted);line-height:1.8;max-width:230px}
.footer-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.ftag{padding:4px 11px;border-radius:99px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);font-size:10px;font-weight:700;color:var(--text3)}
.footer-col-title{font-weight:800;font-size:10px;letter-spacing:2px;text-transform:uppercase;margin-bottom:16px}
.footer-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-list li{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted);cursor:pointer;transition:color .2s}
.footer-list li:hover{color:var(--text2)}
.ficon{width:25px;height:25px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0}
.footer-bottom{padding-top:24px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.footer-copy{font-size:12px;color:#1E293B}
.footer-brand-grad{background:linear-gradient(90deg,var(--p),var(--s));-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:12px;color:#1E293B;text-decoration:none;font-weight:500;transition:color .2s}
.footer-links a:hover{color:var(--p)}

/* hub category cards (index.html) */
.hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;max-width:1140px;margin:0 auto;padding:0 24px 100px}
.hub-card{display:block;text-decoration:none;border-radius:24px;padding:32px 28px;border:1.5px solid rgba(255,255,255,0.08);background:rgba(255,255,255,0.03);position:relative;overflow:hidden;transition:all .3s cubic-bezier(.16,1,.3,1)}
.hub-card:hover{transform:translateY(-6px);box-shadow:0 24px 60px rgba(0,0,0,0.5)}
.hub-card-icon{width:60px;height:60px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:18px}
.hub-card-title{font-family:'Syne',sans-serif;font-size:20px;font-weight:800;color:var(--text);margin-bottom:8px}
.hub-card-desc{font-size:13px;color:var(--text3);line-height:1.6;margin-bottom:16px}
.hub-card-count{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:5px 14px;border-radius:99px}

/* loading spinner */
.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,0.2);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle;margin-right:8px}

@media(max-width:768px){
  #nav{padding:0 16px}
  .pill-orange{display:none}
  .nav-hub-link{display:none}
  .hero{padding:80px 16px 40px}
  .tools-section{padding:50px 16px 70px}
  .site-footer{padding:44px 18px 24px}
  .footer-grid{gap:30px}
}