/* Visual improvements: Google Font + refined UI */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');
:root{--primary:#0B5FFF;--accent:#FFB020;--cta:#0BCF7E;--bg:#FFFFFF;--text:#000000;--muted:rgba(0,0,0,0.72);--card:#FFFFFF}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial, sans-serif;
  background:var(--bg);
  color:var(--text);min-height:100vh;padding:0; -webkit-font-smoothing:antialiased;
}

/* Layout helpers */
.container{max-width:1200px;margin:0 auto;padding:18px}
.header-inner{display:flex;align-items:center;gap:20px}

/* Main nav inside header */
.main-nav{display:flex;gap:14px;margin-right:12px}
.main-nav a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px;display:inline-flex;align-items:center;gap:8px}
.main-nav a svg{width:16px;height:16px;opacity:0.9}
.main-nav a:hover{background:rgba(11,95,255,0.06)}

/* Header */
.site-header{background:transparent;border-bottom:1px solid rgba(15,23,42,0.06)}
.logo{font-weight:700;color:var(--primary);text-decoration:none;font-size:20px;display:flex;align-items:center;gap:10px}
.logo svg{width:36px;height:36px;flex:0 0 36px}
.search{display:flex;flex:1;gap:8px;align-items:center;min-width:200px}
.search input[type=search]{flex:1;padding:10px 12px;border-radius:10px;border:1px solid rgba(15,23,42,0.06);background:#fff;color:var(--text)}
.search select{padding:10px;border-radius:10px;border:1px solid rgba(15,23,42,0.06);background:#fff;color:var(--text)}
.btn-primary{background:var(--primary);border:none;padding:10px 14px;border-radius:10px;color:white;box-shadow:0 8px 24px rgba(11,95,255,0.08)}
.btn-primary:hover{filter:brightness(1.03);transform:translateY(-1px)}
.header-actions{display:flex;gap:10px;align-items:center}
.btn-ghost{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px}
.btn-accent{background:rgba(124,58,237,0.12);color:var(--accent);padding:8px 12px;border-radius:8px;text-decoration:none}

/* Breadcrumbs */
.breadcrumbs{font-size:14px;color:var(--muted);margin:12px 0}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.breadcrumbs a:hover{text-decoration:underline}

/* Main grid */
.main-grid{display:grid;grid-template-columns:260px 1fr;gap:28px;padding:28px 18px}
.sidebar{background:transparent;border-radius:12px}
.sidebar h3{margin:0 0 16px;color:var(--text);font-size:18px;font-weight:600;letter-spacing:-0.3px}
.categories{list-style:none;padding:0;margin:0 0 24px}
.categories li{margin-bottom:8px}
.categories a{
  text-decoration:none;color:var(--text);padding:10px 12px;border-radius:8px;display:block;transition:all 0.2s ease;
  border-left:3px solid transparent;position:relative;
}
.categories a:hover{background:rgba(11,95,255,0.06);border-left-color:var(--primary);padding-left:14px}
.filter-card{
  background:#fff;padding:20px;border-radius:12px;border:1px solid rgba(15,23,42,0.04);box-shadow:0 2px 8px rgba(15,23,42,0.04);
}
.filter-card h4{margin:0 0 16px;color:var(--text);font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;color:var(--muted)}
.filter-card label{margin:0 0 14px;display:block;font-size:13px;font-weight:500}
.filter-card input[type=number]{
  width:100%;padding:10px 12px;border-radius:8px;border:2px solid rgba(15,23,42,0.06);
  background:#f8f9fb;color:var(--text);font-size:14px;transition:all 0.2s ease;margin-bottom:0
}
.filter-card input[type=number]:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(11,95,255,0.1)}
.filter-card button{width:100%;margin-top:4px;font-weight:600;letter-spacing:0.2px}

/* Listings */
.listings-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid rgba(15,23,42,0.04)}
.listings-header h2{margin:0;font-size:22px;font-weight:600}
.listings .meta{color:var(--muted);font-size:14px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card-listing{background:var(--card);border-radius:12px;overflow:hidden;border:1px solid rgba(15,23,42,0.06);box-shadow:0 8px 20px rgba(15,23,42,0.06);display:flex;flex-direction:column;position:relative}
.card-listing img{width:100%;height:220px;object-fit:cover;object-position:center top}
.tag{position:absolute;left:12px;top:12px;background:rgba(15,23,42,0.06);padding:6px 10px;border-radius:999px;font-size:12px;color:var(--muted)}
.price-badge{position:absolute;right:12px;top:12px;background:linear-gradient(90deg,var(--primary),var(--accent));color:#ffffff;padding:8px 12px;border-radius:10px;font-weight:700}
.card-body{padding:12px 14px}
.card-body h3{margin:0 0 8px;font-size:16px;color:var(--text)}
.price{font-weight:700;color:var(--text);margin-bottom:6px}
.card-body .meta{color:var(--muted);font-size:13px}

.card-link{display:flex;flex-direction:column;color:inherit;text-decoration:none;height:100%}
.card-link img{display:block}

.card-listing{transition:transform .18s ease,box-shadow .18s ease}
.card-listing:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(15,23,42,0.12)}

.pagination{display:flex;gap:8px;justify-content:center;margin-top:20px}
.page{background:transparent;border:1px solid rgba(15,23,42,0.06);color:var(--text);padding:8px 10px;border-radius:8px;text-decoration:none}
.page.active{background:var(--primary);color:white;border:none}

/* Flash messages */
.flash{padding:12px;border-radius:8px;border:1px solid rgba(0,0,0,0.06);background:rgba(0,0,0,0.02);color:var(--text);}
.flash.success{background:rgba(11,207,126,0.08);border-color:rgba(11,207,126,0.14);color:var(--text)}
.flash.error{background:rgba(255,48,79,0.06);border-color:rgba(255,48,79,0.12);color:var(--text)}

/* Forms and utility */
label{display:block;margin-bottom:8px;font-weight:500;color:var(--text);font-size:14px}
input[type=text], input[type=number], input[type=email], input[type=password], input[type=search], input[type=tel], textarea, select {
  width:100%;
  padding:12px 14px;
  border-radius:10px;
  border:2px solid rgba(15,23,42,0.06);
  background:#fff;
  color:var(--text);
  font-family:inherit;
  font-size:15px;
  transition:all 0.3s ease;
  margin-bottom:14px;
}
select {
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%230B5FFF' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
  padding-right:36px;
}
input[type=text]:focus, input[type=number]:focus, input[type=email]:focus, input[type=password]:focus, input[type=search]:focus, input[type=tel]:focus, textarea:focus, select:focus {
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(11,95,255,0.1);
}
textarea{resize:vertical;min-height:120px;font-family:inherit}
input[type=file]{display:block;padding:8px 0;color:var(--muted);font-size:13px}
.form-card{background:#fff;padding:28px;border-radius:12px;border:1px solid rgba(15,23,42,0.04);box-shadow:0 2px 8px rgba(15,23,42,0.04)}
.form-card h2{margin:0 0 24px;font-size:24px;color:var(--text)}
.errors{background:rgba(255,48,79,0.06);border:1px solid rgba(255,48,79,0.14);padding:14px;border-radius:10px;margin-bottom:16px;color:rgba(255,48,79,0.8)}
.errors ul{margin:0;padding:0 0 0 20px;list-style:disc}
.errors li{margin-bottom:6px;font-size:14px}
.btn-ghost{border:1px solid rgba(15,23,42,0.06);padding:8px 12px;border-radius:8px;transition:all 0.2s ease}
.btn-ghost:hover{background:rgba(15,23,42,0.04);border-color:rgba(15,23,42,0.12)}

/* Footer layout */
.site-footer{padding:20px 0;background:var(--primary);color:#fff;text-align:center;border-top:1px solid rgba(15,23,42,0.06);margin-top:30px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:12px}
.footer-nav{display:flex;gap:12px}
.footer-nav a{text-decoration:none;color:#fff}

@media(max-width:980px){.cards{grid-template-columns:repeat(2,1fr)}.main-grid{grid-template-columns:1fr 2fr}}
@media(max-width:680px){
  .header-inner{flex-direction:column;align-items:stretch}
  .main-nav{display:none}
  .mobile-menu-btn{display:block!important}
  .user-greet{display:none}
  .header-actions .btn-ghost{display:none}
  .search{width:100%}
  .main-grid{grid-template-columns:1fr;padding:18px}
  .cards{grid-template-columns:1fr}
  .sidebar{order:2}
}