/* Use Case Hub Pages — Shared Styles */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#000;--bg2:#0a0a0a;--card:rgba(255,255,255,.04);--card-h:rgba(255,255,255,.07);
  --brd:rgba(255,255,255,.08);--brd-h:rgba(255,255,255,.15);
  --t1:#f5f5f7;--t2:rgba(245,245,247,.65);--t3:rgba(245,245,247,.4);
  --radius:16px;--font:'Inter',system-ui,sans-serif
}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);background:var(--bg);color:var(--t1);line-height:1.6;min-height:100vh}
a{color:inherit;text-decoration:none}

/* NAV */
.nav{position:sticky;top:0;z-index:100;background:rgba(0,0,0,.8);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--brd);padding:0 32px;height:64px;display:flex;align-items:center}
.nav-inner{max-width:1200px;width:100%;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:6px;font-weight:700;font-size:16px}
.nav-logo img{height:24px;display:block}
.accent{color:#a855f7}
.nav-links{display:flex;gap:28px;align-items:center;font-size:14px;color:var(--t2)}
.nav-links a:hover{color:var(--t1)}

/* HERO */
.uc-hero{padding:80px 24px 60px;text-align:center;position:relative;overflow:hidden}
.uc-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 50% at 50% 0%,var(--accent-glow,rgba(99,102,241,.15)),transparent 70%);pointer-events:none}
.uc-breadcrumb{font-size:13px;color:var(--t3);margin-bottom:24px}
.uc-breadcrumb a{color:var(--accent-color,#6366f1);transition:.2s}
.uc-breadcrumb a:hover{opacity:.8}
.uc-icon-wrap{width:80px;height:80px;border-radius:24px;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;background:var(--accent-bg,#6366f1)}
.uc-hero h1{font-size:clamp(36px,6vw,64px);font-weight:900;letter-spacing:-.04em;line-height:1.05;margin-bottom:16px}
.uc-hero h1 span{background:var(--accent-gradient,linear-gradient(135deg,#6366f1,#8b5cf6));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.uc-hero p{font-size:18px;color:var(--t2);max-width:600px;margin:0 auto 32px}
.uc-hero-tags{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.uc-hero-tags span{padding:6px 16px;border-radius:100px;font-size:13px;font-weight:500;background:rgba(255,255,255,.06);border:1px solid var(--brd);color:var(--t2)}

/* MAIN CONTENT */
.uc-main{max-width:1400px;margin:0 auto;padding:0 24px 80px;display:grid;grid-template-columns:1fr 1fr;gap:32px}
@media(max-width:900px){.uc-main{grid-template-columns:1fr}}

/* PANELS */
.uc-panel{background:var(--card);border:1px solid var(--brd);border-radius:var(--radius);overflow:hidden}
.uc-panel-header{padding:24px 28px 20px;border-bottom:1px solid var(--brd)}
.uc-panel-header h2{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px}
.uc-panel-header h2 svg{opacity:.7}
.uc-panel-header p{font-size:14px;color:var(--t2);margin-top:6px}
.uc-panel-body{padding:12px 8px}

/* COOKBOOK LIST */
.cb-list{list-style:none}
.cb-item{display:flex;align-items:center;gap:14px;padding:14px 20px;border-radius:10px;transition:.2s;cursor:pointer}
.cb-item:hover{background:var(--card-h)}
.cb-item a{display:flex;align-items:center;gap:14px;width:100%;color:inherit;text-decoration:none}
.cb-num{font-size:22px;font-weight:900;letter-spacing:-.04em;min-width:32px;background:var(--accent-gradient,linear-gradient(135deg,#6366f1,#8b5cf6));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.cb-info h4{font-size:14px;font-weight:600;margin-bottom:2px}
.cb-info p{font-size:12px;color:var(--t3)}
.cb-badges{display:flex;gap:6px;margin-top:4px}
.cb-badge{font-size:10px;font-weight:600;padding:2px 8px;border-radius:100px}
.cb-badge.easy{background:rgba(16,185,129,.15);color:#10b981}
.cb-badge.medium{background:rgba(245,158,11,.15);color:#f59e0b}
.cb-badge.hard{background:rgba(239,68,68,.15);color:#ef4444}
.cb-badge.time{background:rgba(255,255,255,.07);color:var(--t3)}

/* DEMO PANEL */
.demo-frame{width:100%;height:100%;min-height:650px;border:none;border-radius:0 0 16px 16px;background:var(--bg2)}
.demo-placeholder{padding:40px;text-align:center}
.demo-placeholder svg{opacity:.3;margin-bottom:16px}
.demo-placeholder h3{font-size:18px;font-weight:700;margin-bottom:8px}
.demo-placeholder p{font-size:14px;color:var(--t2);margin-bottom:24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:100px;font-size:14px;font-weight:600;transition:.2s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--accent-color,#6366f1),var(--accent-color2,#8b5cf6));color:#fff}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px rgba(99,102,241,.3)}
.btn-outline{background:transparent;color:var(--t1);border:1px solid var(--brd)}
.btn-outline:hover{background:var(--card-h)}

/* COMING SOON */
.coming-soon-hero{padding:40px 24px 60px;text-align:center}
.coming-soon-hero .uc-icon-wrap{opacity:.6}
.cs-grid{max-width:1200px;margin:0 auto;padding:0 24px 80px;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.cs-card{background:var(--card);border:1px solid var(--brd);border-radius:var(--radius);padding:28px}
.cs-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.cs-card p{font-size:14px;color:var(--t2)}
.cs-tag{display:inline-block;padding:4px 12px;border-radius:100px;font-size:11px;font-weight:600;background:rgba(168,85,247,.15);color:#a855f7;margin-bottom:16px}

/* NOTIFY FORM */
.notify-section{max-width:480px;margin:0 auto 60px;padding:0 24px;text-align:center}
.notify-section h3{font-size:20px;font-weight:700;margin-bottom:8px}
.notify-section p{font-size:14px;color:var(--t2);margin-bottom:20px}
.notify-form{display:flex;gap:8px}
.notify-form input{flex:1;padding:12px 16px;border-radius:100px;background:var(--card);border:1px solid var(--brd);color:var(--t1);font-size:14px;font-family:var(--font);outline:none}
.notify-form input:focus{border-color:var(--accent-color,#6366f1)}
.notify-form input::placeholder{color:var(--t3)}

/* GH SECTION */
.uc-github{max-width:1400px;margin:0 auto;padding:0 24px 80px}
.uc-github-card{background:linear-gradient(135deg,rgba(99,102,241,.1),rgba(168,85,247,.1));border:1px solid rgba(99,102,241,.2);border-radius:var(--radius);padding:36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.uc-github-card h3{font-size:22px;font-weight:800;margin-bottom:6px}
.uc-github-card p{font-size:14px;color:var(--t2)}
.uc-github-card-actions{display:flex;gap:12px;flex-wrap:wrap}

@media(max-width:600px){
  .nav-links{display:none}
  .uc-hero h1{font-size:32px}
  .notify-form{flex-direction:column}
}