/* ============================================================
   ZXH WEB EXTRACTOR — MAIN STYLESHEET
   ============================================================ */

:root{
  --bg:#f4f6f8;
  --bg-soft:#e9edf1;
  --surface:rgba(255,255,255,.78);
  --surface-solid:#fff;
  --surface-2:#f8fafb;
  --text:#101418;
  --muted:#69727d;
  --line:rgba(16,20,24,.10);
  --line-strong:rgba(16,20,24,.17);

  --accent:#111827;
  --accent-soft:#eef1f4;
  --blue:#2563eb;
  --green:#16a34a;
  --red:#dc2626;
  --orange:#d97706;

  --shadow:0 25px 70px rgba(15,23,42,.09);
  --shadow-heavy:0 40px 110px rgba(15,23,42,.14);

  --radius-xl:38px;
  --radius-lg:28px;
  --radius-md:20px;

  color-scheme:light;
}

html[data-theme="dark"]{
  --bg:#0b0d10;
  --bg-soft:#12161b;
  --surface:rgba(20,24,29,.82);
  --surface-solid:#14181d;
  --surface-2:#101419;
  --text:#f4f6f8;
  --muted:#929ba7;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);

  --accent:#f4f6f8;
  --accent-soft:#1d232a;

  --shadow:0 25px 80px rgba(0,0,0,.30);
  --shadow-heavy:0 45px 120px rgba(0,0,0,.42);

  color-scheme:dark;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  min-height:100vh;
  overflow-x:hidden;
  font-family:"Inter",sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 8% 5%,rgba(255,255,255,.95),transparent 28%),
    radial-gradient(circle at 92% 18%,rgba(210,218,226,.48),transparent 28%),
    linear-gradient(180deg,var(--bg),var(--bg-soft));
  transition:.4s ease;
}

html[data-theme="dark"] body{
  background:
    radial-gradient(circle at 8% 5%,rgba(255,255,255,.045),transparent 30%),
    radial-gradient(circle at 92% 18%,rgba(255,255,255,.025),transparent 30%),
    linear-gradient(180deg,#0b0d10,#0f1317);
}

body:before{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.35;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:70px 70px;
  mask-image:linear-gradient(to bottom,black,transparent 75%);
}

button,input,select,textarea{font:inherit;}
button{cursor:pointer;}
a{color:inherit;}

/* ================= NAV ================= */
.nav{
  position:sticky;top:0;z-index:100;min-height:78px;
  display:flex;align-items:center;justify-content:space-between;gap:25px;
  padding:14px clamp(20px,5vw,80px);
  border-bottom:1px solid var(--line);
  background:var(--surface);
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
}

.brand{display:flex;align-items:center;gap:14px;text-decoration:none;}

.brand-mark{
  width:48px;height:48px;flex:0 0 48px;
  display:grid;place-items:center;border-radius:16px;
  background:var(--accent);color:var(--surface-solid);
  box-shadow:0 12px 28px rgba(0,0,0,.14);
  transform:perspective(500px) rotateX(8deg) rotateY(-8deg);
}

.brand-name{font-family:"Space Grotesk",sans-serif;font-size:1.08rem;font-weight:700;letter-spacing:-.4px;}

.brand-name small{
  display:block;margin-top:3px;font-size:.62rem;letter-spacing:2px;
  text-transform:uppercase;color:var(--muted);
}

.nav-right{display:flex;align-items:center;gap:10px;}

.icon-btn{
  width:46px;height:46px;border:1px solid var(--line);border-radius:50%;
  display:grid;place-items:center;background:var(--surface-solid);
  color:var(--text);transition:.25s ease;
}

.icon-btn:hover{transform:translateY(-2px) rotate(5deg);box-shadow:var(--shadow);}

.channel-btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 20px;border-radius:999px;text-decoration:none;
  color:#fff;background:#111;font-size:.84rem;font-weight:700;transition:.25s ease;
}

.channel-btn:hover{transform:translateY(-2px);box-shadow:0 15px 35px rgba(0,0,0,.18);}
html[data-theme="dark"] .channel-btn{background:#fff;color:#111;}

.sun{display:none;}
html[data-theme="dark"] .moon{display:none;}
html[data-theme="dark"] .sun{display:block;}

/* ================= HERO ================= */
.hero{
  position:relative;min-height:720px;
  display:flex;align-items:center;justify-content:center;
  padding:100px 5vw 80px;overflow:hidden;
}

.hero-orb{
  position:absolute;width:520px;height:520px;border-radius:50%;
  border:1px solid var(--line);opacity:.65;transform:translate(35%,-10%);
}

.hero-orb:before,.hero-orb:after{
  content:"";position:absolute;inset:60px;border:1px solid var(--line);border-radius:50%;
}
.hero-orb:after{inset:125px;}

.hero-content{position:relative;z-index:2;width:min(1250px,100%);text-align:center;}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 17px;border:1px solid var(--line);border-radius:999px;
  background:var(--surface);backdrop-filter:blur(16px);
  color:var(--muted);font-size:.76rem;font-weight:700;
  letter-spacing:1.5px;text-transform:uppercase;box-shadow:var(--shadow);
}

.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(22,163,74,.10);}

.hero h1{
  max-width:1150px;margin:30px auto 0;
  font-family:"Space Grotesk",sans-serif;
  font-size:clamp(4rem,10vw,9.5rem);line-height:.86;
  letter-spacing:-.075em;font-weight:700;
}

.hero h1 span{display:block;}
.hero h1 .outline{color:transparent;-webkit-text-stroke:1.5px var(--text);opacity:.38;}

.hero-description{
  max-width:720px;margin:38px auto 0;color:var(--muted);
  font-size:clamp(1rem,1.8vw,1.25rem);line-height:1.75;
}

.hero-stats{
  width:min(900px,100%);margin:55px auto 0;
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}

.hero-stat{padding:22px 15px;border-right:1px solid var(--line);}
.hero-stat:last-child{border-right:0;}
.hero-stat strong{display:block;font-family:"Space Grotesk";font-size:1.6rem;}
.hero-stat span{display:block;margin-top:5px;color:var(--muted);font-size:.7rem;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;}

/* ================= EXTRACTOR ================= */
.extract-section{position:relative;padding:40px 5vw 110px;}

.extract-shell{
  width:min(1400px,100%);margin:auto;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-heavy);overflow:hidden;backdrop-filter:blur(22px);
}

.extract-top{
  display:grid;grid-template-columns:1fr 1.5fr;gap:40px;
  padding:clamp(30px,6vw,75px);border-bottom:1px solid var(--line);
}

.extract-intro h2{
  font-family:"Space Grotesk";
  font-size:clamp(2.4rem,5vw,5rem);line-height:.95;letter-spacing:-.06em;
}

.extract-intro p{max-width:470px;margin-top:25px;color:var(--muted);line-height:1.75;}

.engine-label{
  display:inline-block;margin-bottom:20px;color:var(--muted);
  font-size:.68rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;
}

.extract-form{align-self:center;}

.url-box{
  display:flex;align-items:center;gap:13px;padding:8px;
  border:1px solid var(--line-strong);border-radius:22px;
  background:var(--surface-solid);box-shadow:0 20px 50px rgba(0,0,0,.05);
}

.url-icon{width:48px;height:48px;flex:0 0 48px;display:grid;place-items:center;border-radius:15px;background:var(--accent-soft);}

.url-box input{
  min-width:0;flex:1;border:0;outline:0;background:transparent;
  color:var(--text);font-size:1rem;
}
.url-box input::placeholder{color:var(--muted);}

.extract-btn{
  min-height:52px;padding:0 24px;border:0;border-radius:16px;
  background:var(--accent);color:var(--surface-solid);
  font-weight:800;white-space:nowrap;transition:.25s ease;
}
.extract-btn:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(0,0,0,.18);}

.history{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px;}

.history button{
  border:1px solid var(--line);border-radius:999px;
  background:var(--surface-2);color:var(--muted);padding:8px 13px;font-size:.72rem;
}

/* ================= LOADER ================= */
.loader{
  display:none;align-items:center;gap:18px;
  padding:25px clamp(25px,5vw,60px);border-bottom:1px solid var(--line);
}
.loader.show{display:flex;}

.loader-bars{display:flex;align-items:flex-end;gap:4px;height:32px;}
.loader-bars i{width:4px;height:8px;border-radius:4px;background:var(--text);animation:bar 1s infinite ease-in-out;}
.loader-bars i:nth-child(2){animation-delay:.1s}
.loader-bars i:nth-child(3){animation-delay:.2s}
.loader-bars i:nth-child(4){animation-delay:.3s}
.loader-bars i:nth-child(5){animation-delay:.4s}
@keyframes bar{50%{height:32px}}

.loader-copy strong{display:block;font-size:.9rem;}
.loader-copy span{display:block;margin-top:3px;color:var(--muted);font-size:.75rem;}

/* ================= STATUS ================= */
.status{
  min-height:24px;padding:0 30px 20px;color:var(--muted);
  text-align:center;font-size:.82rem;font-weight:700;
}
.status.ok{color:var(--green);}
.status.err{color:var(--red);}
.status.warn{color:var(--orange);}

/* ================= RESULTS ================= */
.results{display:none;}
.results.show{display:block;}

.result-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:30px;
  padding:55px clamp(30px,6vw,75px) 30px;
}
.result-head h2{font-family:"Space Grotesk";font-size:clamp(2rem,4vw,4rem);letter-spacing:-.055em;}
.result-head p{color:var(--muted);margin-top:8px;}
.result-actions{display:flex;flex-wrap:wrap;gap:9px;}

.btn{
  min-height:44px;padding:0 17px;border-radius:13px;
  border:1px solid var(--line);background:var(--surface-solid);
  color:var(--text);font-size:.78rem;font-weight:800;transition:.22s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow);}
.btn.green{background:var(--green);color:#fff;border-color:var(--green);}

.summary{
  display:grid;grid-template-columns:repeat(6,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{min-height:130px;padding:28px 20px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat strong{display:block;font-family:"Space Grotesk";font-size:2rem;}
.stat span{display:block;margin-top:7px;color:var(--muted);font-size:.66rem;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;}

/* ================= DATA ================= */
.data-area{padding:45px clamp(25px,6vw,75px) 75px;}
.filters{display:flex;gap:10px;margin-bottom:40px;}
.search{flex:1;}

.search input,.filters select{
  width:100%;height:50px;border:1px solid var(--line);border-radius:14px;
  outline:0;background:var(--surface-solid);color:var(--text);padding:0 16px;
}
.filters select{width:180px;}

.section{margin-top:50px;}
.section:first-child{margin-top:0;}

.section-heading{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:17px;padding-bottom:15px;border-bottom:1px solid var(--line);
}
.section-heading h3{font-family:"Space Grotesk";font-size:1.35rem;}
.section-heading span{color:var(--muted);font-size:.7rem;font-weight:800;letter-spacing:1px;text-transform:uppercase;}

.file-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}

.file{
  padding:17px;border:1px solid var(--line);border-radius:18px;
  background:var(--surface-2);transition:.25s ease;
}
.file:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow);}

.file-head{display:flex;align-items:center;gap:12px;}
.file-dot{width:9px;height:9px;flex:0 0 9px;border-radius:50%;background:var(--text);}
.file-url{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-family:"JetBrains Mono";font-size:.78rem;}
.file-size{color:var(--muted);font-size:.65rem;}

.file-tools{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px;}
.file-tools .btn{min-height:36px;padding:0 12px;font-size:.68rem;}

/* ================= META ================= */
.meta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}

.meta{padding:18px;border:1px solid var(--line);border-radius:18px;background:var(--surface-2);}
.meta b{display:block;color:var(--muted);font-size:.62rem;letter-spacing:1.5px;text-transform:uppercase;}
.meta code{display:block;margin-top:8px;color:var(--text);font-family:"JetBrains Mono";font-size:.77rem;line-height:1.5;word-break:break-word;}

/* ================= FEATURES ================= */
.features-section{padding:110px 5vw;}
.features-wrap{width:min(1400px,100%);margin:auto;}

.section-intro{max-width:800px;margin-bottom:65px;}
.section-intro small{color:var(--muted);font-size:.7rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;}
.section-intro h2{margin-top:16px;font-family:"Space Grotesk";font-size:clamp(3rem,7vw,7rem);line-height:.9;letter-spacing:-.07em;}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.feature{min-height:330px;padding:42px;background:var(--surface);transition:.3s ease;}
.feature:hover{background:var(--surface-solid);}
.feature-number{color:var(--muted);font-family:"JetBrains Mono";font-size:.72rem;}
.feature h3{margin-top:90px;font-family:"Space Grotesk";font-size:1.7rem;letter-spacing:-.04em;}
.feature p{margin-top:13px;color:var(--muted);line-height:1.7;font-size:.9rem;}

/* ================= FOOTER ================= */
.footer{position:relative;padding:100px 5vw 40px;border-top:1px solid var(--line);overflow:hidden;}
.footer-wrap{width:min(1450px,100%);margin:auto;}

.footer-big{font-family:"Space Grotesk";font-size:clamp(4rem,12vw,12rem);line-height:.78;letter-spacing:-.085em;font-weight:700;}
.footer-big span{display:block;}
.footer-big .ghost{color:transparent;-webkit-text-stroke:1px var(--text);opacity:.2;}

.footer-bottom{display:flex;justify-content:space-between;gap:25px;align-items:flex-end;margin-top:100px;padding-top:25px;border-top:1px solid var(--line);}
.footer-credit{font-family:"Space Grotesk";font-size:1rem;font-weight:700;letter-spacing:.3px;}
.footer-credit strong{display:block;margin-top:7px;font-size:.78rem;letter-spacing:2px;text-transform:uppercase;color:var(--muted);}
.footer-bottom p{color:var(--muted);font-size:.72rem;}

/* ================= MODALS ================= */
.modal{
  display:none;position:fixed;inset:0;z-index:300;padding:25px;overflow:auto;
  background:rgba(0,0,0,.55);backdrop-filter:blur(15px);
}
.modal.show{display:flex;justify-content:center;align-items:flex-start;}

.modal-box{
  width:min(1100px,100%);margin:30px 0;overflow:hidden;
  border:1px solid var(--line);border-radius:28px;background:var(--surface-solid);
  box-shadow:0 50px 120px rgba(0,0,0,.35);
}

.modal-head{
  position:sticky;top:0;z-index:2;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 25px;border-bottom:1px solid var(--line);background:var(--surface-solid);
}
.modal-head h3{font-family:"Space Grotesk";}

.close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:50%;
  background:var(--surface-2);color:var(--text);
}

.modal-body{padding:25px;}
.codebox{overflow:auto;max-height:70vh;border-radius:18px;background:#080b0f;color:#dce3ea;}
.codebox pre{margin:0;padding:22px;white-space:pre-wrap;word-break:break-word;font:500 .8rem/1.65 "JetBrains Mono";}

.editor{
  width:100%;min-height:65vh;resize:vertical;padding:20px;
  border:1px solid var(--line);border-radius:18px;outline:0;
  background:#080b0f;color:#e4e9ee;font:500 .82rem/1.65 "JetBrains Mono";
}

.preview{width:100%;height:70vh;border:0;border-radius:18px;background:#fff;}
.modal-actions{display:flex;gap:10px;margin-top:15px;}

/* ================= TOAST ================= */
.toast{
  position:fixed;left:50%;bottom:25px;z-index:500;
  transform:translate(-50%,30px);opacity:0;pointer-events:none;
  padding:13px 20px;border-radius:999px;
  background:var(--accent);color:var(--surface-solid);
  font-size:.8rem;font-weight:800;transition:.3s ease;
  box-shadow:0 20px 50px rgba(0,0,0,.2);
}
.toast.show{transform:translate(-50%,0);opacity:1;}

/* ================= INSTALL POPUP ================= */
.popup-overlay{
  display:none;position:fixed;inset:0;z-index:9999;
  background:rgba(0,0,0,.6);backdrop-filter:blur(8px);
  justify-content:center;align-items:center;padding:20px;
  opacity:0;transition:opacity .35s ease;
}
.popup-overlay.show{display:flex;opacity:1;}

.popup-content{
  position:relative;width:min(420px,100%);
  padding:36px 28px 28px;text-align:center;
  background:var(--surface-solid);color:var(--text);
  border:1px solid var(--line);border-radius:26px;
  box-shadow:0 40px 100px rgba(0,0,0,.35);
  animation:popIn .4s cubic-bezier(.2,.9,.4,1.2);
}

@keyframes popIn{
  from{opacity:0;transform:translateY(30px) scale(.9);}
  to{opacity:1;transform:translateY(0) scale(1);}
}

.popup-close-btn{
  position:absolute;top:12px;right:12px;
  width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface-2);
  color:var(--text);font-size:18px;line-height:1;
  display:grid;place-items:center;cursor:pointer;
  transition:.2s ease;
}
.popup-close-btn:hover{background:var(--red);color:#fff;border-color:var(--red);}

.popup-icon{
  width:88px;height:88px;margin:0 auto 18px;
  border-radius:22px;display:block;
  box-shadow:0 14px 30px rgba(0,0,0,.18);
}

.popup-content h2{
  font-family:"Space Grotesk";font-size:1.25rem;font-weight:700;
  margin-bottom:12px;line-height:1.3;letter-spacing:-.02em;
}

.popup-content p{
  color:var(--muted);font-size:.9rem;line-height:1.6;margin-bottom:22px;
}

.install-btn{
  width:100%;min-height:52px;border:0;border-radius:14px;
  background:var(--accent);color:var(--surface-solid);
  font-weight:800;font-size:.95rem;cursor:pointer;
  transition:.25s ease;margin-bottom:10px;
}
.install-btn:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(0,0,0,.2);}

.not-now-btn{
  width:100%;min-height:46px;border:1px solid var(--line);
  border-radius:14px;background:transparent;color:var(--muted);
  font-weight:700;font-size:.85rem;cursor:pointer;transition:.2s ease;
}
.not-now-btn:hover{background:var(--surface-2);color:var(--text);}

/* ================= RESPONSIVE ================= */
@media(max-width:1000px){
  .extract-top{grid-template-columns:1fr;}
  .summary{grid-template-columns:repeat(3,1fr);}
  .summary .stat:nth-child(3){border-right:0;}
  .file-list{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
}

@media(max-width:650px){
  .nav{min-height:68px;padding:10px 15px;}
  .brand-mark{width:42px;height:42px;flex-basis:42px;}
  .brand-name{font-size:.92rem;}
  .channel-btn{padding:11px 14px;font-size:.7rem;}
  .channel-btn span{display:none;}

  .hero{min-height:auto;padding:85px 18px 65px;}
  .hero h1{font-size:clamp(3.4rem,17vw,6rem);}
  .hero-description{font-size:.95rem;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stat{border-right:0;border-bottom:1px solid var(--line);}
  .hero-stat:last-child{border-bottom:0;}

  .extract-section{padding:20px 12px 70px;}
  .extract-shell{border-radius:26px;}
  .extract-top{padding:30px 20px;}
  .url-box{flex-wrap:wrap;border-radius:19px;}
  .url-box input{width:calc(100% - 65px);}
  .extract-btn{width:100%;}

  .result-head{padding:35px 20px 25px;align-items:flex-start;flex-direction:column;}
  .summary{grid-template-columns:repeat(2,1fr);}
  .summary .stat{border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
  .summary .stat:nth-child(2n){border-right:0;}

  .data-area{padding:30px 18px 55px;}
  .filters{flex-direction:column;}
  .filters select{width:100%;}
  .meta-grid{grid-template-columns:1fr;}

  .features-section{padding:75px 18px;}
  .feature{min-height:280px;padding:30px;}
  .feature h3{margin-top:70px;}

  .footer{padding:75px 18px 30px;}
  .footer-bottom{margin-top:60px;flex-direction:column;align-items:flex-start;}

  .modal{padding:10px;}
  .modal-box{margin:10px 0;border-radius:22px;}
  .modal-body{padding:15px;}
  .modal-actions{flex-direction:column;}
  .modal-actions .btn{width:100%;}
}