/* ============================================================
   help.8ledger.app — Help Center Stylesheet
   ============================================================ */
:root{--gold:#C9A03D;--gold-light:#E8D48B;--gold-dark:#A07E2E;--blue:#1A3A4F;--blue-light:#2C5F8A;--jade:#4A8B71;--bg:#F5F6FA;--white:#FFFFFF;--text:#2D3748;--text-light:#718096;--text-muted:#A0AEC0;--border:#E2E8F0;}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{font-size:16px;scroll-behavior:smooth;}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;}
a{color:var(--gold);text-decoration:none;transition:color .2s;}
a:hover{color:var(--gold-dark);}

/* Navbar */
.navbar{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:1px solid var(--border);backdrop-filter:blur(8px);}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--blue);font-size:18px;}
.nav-brand-sub{font-weight:400;color:var(--text-light);font-size:14px;margin-left:4px;}
.nav-links{display:flex;align-items:center;gap:24px;font-size:14px;}
.nav-links a{color:var(--text-light);font-weight:500;}
.nav-links a:hover{color:var(--gold);}
.nav-btn{background:var(--gold)!important;color:#fff!important;padding:8px 18px;border-radius:8px;font-weight:600!important;}
.nav-btn:hover{background:var(--gold-dark)!important;}

/* Hero */
.help-hero{background:linear-gradient(135deg,#1A3A4F 0%,#0F2233 100%);color:#fff;padding:80px 24px 60px;text-align:center;}
.help-hero-inner{max-width:600px;margin:0 auto;}
.help-hero h1{font-family:'Poppins',sans-serif;font-size:36px;font-weight:700;margin-bottom:10px;}
.help-hero p{font-size:16px;color:rgba(255,255,255,0.7);margin-bottom:32px;}
.search-box{position:relative;max-width:520px;margin:0 auto;}
.search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--text-muted);}
.search-box input{width:100%;padding:16px 20px 16px 52px;border:none;border-radius:12px;font-size:16px;font-family:inherit;box-shadow:0 4px 24px rgba(0,0,0,0.15);outline:none;transition:box-shadow .2s;}
.search-box input:focus{box-shadow:0 4px 24px rgba(201,160,61,0.3);}
.search-box input::placeholder{color:var(--text-muted);}

/* Categories */
.help-categories{max-width:1100px;margin:-30px auto 0;padding:0 24px 60px;position:relative;z-index:2;}
.categories-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.category-card{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:28px;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;}
.category-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,0.08);border-color:var(--gold);}
.cat-icon{font-size:32px;margin-bottom:12px;}
.category-card h3{font-size:17px;font-weight:700;color:var(--blue);margin-bottom:6px;}
.category-card p{font-size:13px;color:var(--text-light);line-height:1.5;margin-bottom:10px;}
.cat-count{font-size:12px;color:var(--gold);font-weight:600;}

/* Articles */
.help-articles,.help-detail{max-width:800px;margin:0 auto;padding:40px 24px 60px;}
.back-btn{background:none;border:none;color:var(--gold);font-size:14px;font-weight:600;cursor:pointer;margin-bottom:20px;font-family:inherit;}
.back-btn:hover{color:var(--gold-dark);}
.articles-inner h2,.detail-inner h2{font-family:'Poppins',sans-serif;font-size:24px;color:var(--blue);margin-bottom:20px;}
.article-list{display:flex;flex-direction:column;gap:12px;}
.article-item{display:flex;align-items:center;gap:14px;padding:18px 20px;background:var(--white);border:1px solid var(--border);border-radius:10px;cursor:pointer;transition:border-color .2s,transform .15s;}
.article-item:hover{border-color:var(--gold);transform:translateX(4px);}
.article-item .art-icon{font-size:20px;flex-shrink:0;}
.article-item strong{font-size:15px;color:var(--text);display:block;}
.article-item span{font-size:13px;color:var(--text-light);}

/* Detail */
.detail-inner article{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:40px;line-height:1.8;}
.detail-inner article h1{font-family:'Poppins',sans-serif;font-size:28px;color:var(--blue);margin-bottom:24px;}
.detail-inner article h2{font-size:20px;color:var(--blue);margin:28px 0 12px;font-weight:700;}
.detail-inner article h3{font-size:17px;color:var(--blue);margin:20px 0 8px;}
.detail-inner article p{margin-bottom:14px;color:var(--text);}
.detail-inner article ul,.detail-inner article ol{margin:0 0 14px 24px;}
.detail-inner article li{margin-bottom:6px;}
.detail-inner article code{background:#EDF2F7;padding:2px 6px;border-radius:4px;font-size:14px;}
.detail-inner article .tip{background:#FEFCBF;border:1px solid #ECC94B;border-radius:8px;padding:14px 18px;margin:16px 0;font-size:14px;}
.detail-inner article .tip strong{color:#975A16;}

/* Popular */
.help-popular{max-width:1100px;margin:0 auto;padding:0 24px 60px;}
.popular-inner h2{font-family:'Poppins',sans-serif;font-size:24px;color:var(--blue);margin-bottom:24px;text-align:center;}
.popular-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.popular-item{display:flex;align-items:flex-start;gap:14px;padding:20px;background:var(--white);border:1px solid var(--border);border-radius:12px;transition:border-color .2s,transform .15s;color:var(--text);}
.popular-item:hover{border-color:var(--gold);transform:translateY(-2px);color:var(--text);}
.pop-icon{font-size:24px;flex-shrink:0;margin-top:2px;}
.popular-item strong{font-size:15px;display:block;margin-bottom:4px;color:var(--blue);}
.popular-item p{font-size:13px;color:var(--text-light);margin:0;line-height:1.5;}

/* Contact */
.help-contact{background:linear-gradient(135deg,#1A3A4F 0%,#0F2233 100%);color:#fff;padding:60px 24px;text-align:center;}
.contact-inner{max-width:500px;margin:0 auto;}
.contact-inner h2{font-family:'Poppins',sans-serif;font-size:26px;margin-bottom:10px;}
.contact-inner p{font-size:15px;color:rgba(255,255,255,0.7);margin-bottom:28px;}
.contact-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}
.contact-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:10px;font-size:15px;font-weight:600;transition:transform .15s,box-shadow .2s;}
.contact-btn.primary{background:var(--gold);color:#fff;}
.contact-btn.primary:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(201,160,61,0.3);color:#fff;}
.contact-btn.secondary{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,0.3);}
.contact-btn.secondary:hover{border-color:var(--gold);color:var(--gold);}

/* Footer */
.help-footer{background:var(--white);border-top:1px solid var(--border);padding:24px;}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-muted);}
.footer-links{display:flex;gap:20px;}
.footer-links a{color:var(--text-muted);font-weight:500;}
.footer-links a:hover{color:var(--gold);}

@media(max-width:768px){
  .categories-grid{grid-template-columns:1fr;}
  .popular-grid{grid-template-columns:1fr;}
  .help-hero h1{font-size:28px;}
  .nav-links{display:none;}
  .footer-inner{flex-direction:column;gap:12px;text-align:center;}
}