/* ============================================================
   CLASSIFIEDS BY DEADLY WEB – Main Stylesheet
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:      #2563eb;
  --primary-dark: #1d4ed8;
  --secondary:    #7c3aed;
  --accent:       #f59e0b;
  --success:      #16a34a;
  --danger:       #dc2626;
  --warning:      #d97706;
  --info:         #0284c7;
  --text:         #1e293b;
  --text-muted:   #64748b;
  --border:       #e2e8f0;
  --bg:           #f8fafc;
  --card:         #ffffff;
  --radius:       0.5rem;
  --shadow:       0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:    0 4px 6px -1px rgba(0,0,0,.1);
  --shadow-lg:    0 10px 15px -3px rgba(0,0,0,.1);
  --transition:   all .2s ease;
}

body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6; font-size: 15px; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .55rem 1.2rem;
  border-radius: var(--radius); font-size: .9rem; font-weight: 500; cursor: pointer;
  border: 2px solid transparent; transition: var(--transition); text-decoration: none; white-space: nowrap; }
.btn-primary  { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); text-decoration: none; color: #fff; }
.btn-outline  { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; text-decoration: none; }
.btn-ghost    { background: transparent; color: var(--text-muted); border-color: var(--border); }
.btn-ghost:hover { background: var(--border); color: var(--text); text-decoration: none; }
.btn-success  { background: var(--success); color: #fff; border-color: var(--success); }
.btn-danger   { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-warning  { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-sm { padding: .35rem .85rem; font-size: .82rem; }
.btn-lg { padding: .75rem 1.75rem; font-size: 1rem; }
.btn-block { display: flex; width: 100%; justify-content: center; }
.btn-xs { padding: .2rem .5rem; font-size: .75rem; }

/* ── Alerts ── */
.alert { padding: .85rem 1.1rem; border-radius: var(--radius); margin: .75rem 0;
  border-left: 4px solid; display: flex; align-items: flex-start; gap: .5rem; font-size: .9rem; }
.alert ul { margin: .3rem 0 0 1rem; }
.alert-success { background: #dcfce7; border-color: var(--success); color: #14532d; }
.alert-error   { background: #fee2e2; border-color: var(--danger);  color: #7f1d1d; }
.alert-info    { background: #dbeafe; border-color: var(--info);    color: #1e3a8a; }

/* ── Forms ── */
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-weight: 500; font-size: .88rem; margin-bottom: .35rem; color: var(--text); }
.form-control { width: 100%; padding: .6rem .85rem; border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: .93rem; transition: var(--transition); background: #fff; color: var(--text); }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.form-control[readonly] { background: var(--bg); }
textarea.form-control { resize: vertical; }
.form-error { display: block; color: var(--danger); font-size: .8rem; margin-top: .25rem; }
.form-forgot { float: right; font-size: .82rem; color: var(--primary); }
.req { color: var(--danger); }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.25rem; }
.form-grid-2 .col-2 { grid-column: span 2; }
.form-card { background: var(--card); padding: 2rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.form-actions { display: flex; gap: .75rem; margin-top: 1.5rem; flex-wrap: wrap; }

/* ── Header ── */
.site-header { background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.08); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; gap: 1rem; padding: .85rem 0; }
.site-logo { text-decoration: none; }
.logo-text { font-size: 1.4rem; font-weight: 700; color: var(--primary); }
.main-nav { flex: 1; }
.main-nav ul { display: flex; list-style: none; gap: .15rem; }
.main-nav a { padding: .45rem .85rem; border-radius: var(--radius); color: var(--text); font-size: .9rem; font-weight: 500; }
.main-nav a:hover { background: var(--bg); text-decoration: none; color: var(--primary); }
.header-actions { display: flex; gap: .5rem; align-items: center; }
.mobile-menu-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 1.3rem; color: var(--text); }

/* ── Footer ── */
.site-footer { background: #1e293b; color: #94a3b8; margin-top: 3rem; padding: 3rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; padding-bottom: 2rem; }
.footer-col h3, .footer-col h4 { color: #f1f5f9; margin-bottom: .75rem; font-size: .95rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: .4rem; }
.footer-col ul a { color: #94a3b8; font-size: .87rem; }
.footer-col ul a:hover { color: #fff; text-decoration: none; }
.footer-bottom { border-top: 1px solid #334155; padding: 1.25rem 0; font-size: .83rem; text-align: center; }

/* ── Hero ── */
.hero-section { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); color: #fff; padding: 4rem 0; }
.hero-content { text-align: center; }
.hero-content h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: .5rem; }
.hero-content p  { font-size: 1.1rem; opacity: .9; margin-bottom: 2rem; }
.hero-search { max-width: 700px; margin: 0 auto; }
.hero-search-inner { display: flex; gap: .5rem; background: #fff; border-radius: 50px; padding: .4rem; box-shadow: var(--shadow-lg); }
.hero-input  { flex: 1; border: none; outline: none; padding: .5rem 1rem; border-radius: 50px; font-size: .95rem; color: var(--text); }
.hero-select { border: none; outline: none; padding: .5rem; color: var(--text); background: transparent; font-size: .87rem; }
.hero-btn    { border-radius: 50px !important; }

/* ── Sections ── */
.section { padding: 3rem 0; }
.bg-light { background: #f1f5f9; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.section-header h2 { font-size: 1.4rem; font-weight: 700; }
.see-all { font-size: .87rem; color: var(--primary); }

/* ── Ad Cards ── */
.ads-grid { display: grid; gap: 1.1rem; }
.ads-grid-4 { grid-template-columns: repeat(4, 1fr); }
.ads-grid-3 { grid-template-columns: repeat(3, 1fr); }
.ad-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: var(--transition); position: relative; }
.ad-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.ad-card.featured { border: 2px solid var(--accent); }
.ad-card a { text-decoration: none; color: inherit; }
.ad-card-img { aspect-ratio: 16/10; overflow: hidden; background: #f1f5f9; }
.ad-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.ad-card:hover .ad-card-img img { transform: scale(1.04); }
.ad-no-img { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--border); font-size: 2rem; }
.ad-card-body { padding: .85rem; }
.ad-card-title { font-size: .95rem; font-weight: 600; margin-bottom: .4rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ad-card-meta { display: flex; flex-wrap: wrap; gap: .4rem; font-size: .78rem; color: var(--text-muted); }
.ad-card-date { font-size: .75rem; color: var(--text-muted); margin-top: .4rem; }
.badge-featured { position: absolute; top: .5rem; left: .5rem; background: var(--accent); color: #fff; font-size: .72rem;
  padding: .2rem .55rem; border-radius: 20px; font-weight: 600; }

/* ── Categories Grid ── */
.categories-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1rem; }
.category-card { background: var(--card); border-radius: var(--radius); padding: 1.25rem 1rem; text-align: center;
  box-shadow: var(--shadow); transition: var(--transition); text-decoration: none; color: var(--text); border: 2px solid transparent; }
.category-card:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; transform: translateY(-2px); }
.cat-icon { font-size: 1.75rem; color: var(--primary); margin-bottom: .5rem; }
.cat-name { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .2rem; }
.cat-count { font-size: .77rem; color: var(--text-muted); }

/* ── Locations Grid ── */
.locations-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .75rem; }
.location-card { background: var(--card); border-radius: var(--radius); padding: .9rem 1rem; display: flex; align-items: center;
  gap: .5rem; box-shadow: var(--shadow); transition: var(--transition); color: var(--text); text-decoration: none; font-size: .88rem; font-weight: 500; }
.location-card:hover { background: var(--primary); color: #fff; text-decoration: none; transform: translateY(-1px); }

/* ── Blog Grid ── */
.blog-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.blog-card { background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.blog-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.blog-card-body { padding: 1rem; }
.blog-card-body h3 { font-size: 1rem; font-weight: 600; margin: .4rem 0; }
.blog-card-body h3 a { color: var(--text); }
.blog-card-body h3 a:hover { color: var(--primary); text-decoration: none; }
.blog-card-body p { font-size: .87rem; color: var(--text-muted); }
.blog-card-body time { font-size: .78rem; color: var(--text-muted); }
.blog-cat { font-size: .75rem; font-weight: 600; color: var(--primary); text-transform: uppercase; letter-spacing: .05em; }

/* ── CTA Section ── */
.cta-section { background: linear-gradient(135deg, var(--accent) 0%, #f97316 100%); padding: 3.5rem 0; }
.cta-inner { text-align: center; color: #fff; }
.cta-inner h2 { font-size: 2rem; font-weight: 800; margin-bottom: .5rem; }
.cta-inner p { font-size: 1.05rem; opacity: .9; margin-bottom: 1.5rem; }
.cta-inner .btn-primary { background: #fff; color: var(--accent); border-color: #fff; }
.cta-inner .btn-primary:hover { background: #fff3; color: #fff; border-color: #fff; }

/* ── Auth ── */
.auth-page { min-height: 80vh; display: flex; align-items: center; justify-content: center; padding: 2rem 1rem; }
.auth-card { background: var(--card); padding: 2.5rem; border-radius: var(--radius); box-shadow: var(--shadow-lg); width: 100%; max-width: 440px; }
.auth-card h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 1.5rem; text-align: center; }
.auth-switch { text-align: center; margin-top: 1.25rem; font-size: .9rem; color: var(--text-muted); }
.pwd-strength { height: 4px; border-radius: 2px; margin-top: .3rem; background: var(--border); transition: var(--transition); }

/* ── Dashboard ── */
.dashboard-page { padding: 2rem 0; }
.dashboard-layout { display: grid; grid-template-columns: 240px 1fr; gap: 1.5rem; }
.dashboard-sidebar { background: var(--card); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); height: fit-content; }
.user-card { text-align: center; padding-bottom: 1.25rem; border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.avatar-placeholder { width: 60px; height: 60px; border-radius: 50%; background: var(--primary); color: #fff; display: flex;
  align-items: center; justify-content: center; font-size: 1.5rem; margin: 0 auto .75rem; }
.user-card img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; margin-bottom: .75rem; }
.user-info strong { display: block; font-weight: 600; font-size: .95rem; }
.user-info span { font-size: .82rem; color: var(--text-muted); }
.dash-nav { display: flex; flex-direction: column; gap: .2rem; }
.dash-link { padding: .6rem .85rem; border-radius: var(--radius); color: var(--text); font-size: .88rem; display: flex; align-items: center; gap: .6rem; }
.dash-link:hover, .dash-link.active { background: var(--primary); color: #fff; text-decoration: none; }
.dash-card { background: var(--card); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); margin-bottom: 1.25rem; }
.dash-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.dash-card h3 { font-size: 1.05rem; font-weight: 700; }
.ad-preview { display: flex; gap: 1rem; margin-bottom: 1rem; }
.ad-preview-img { width: 120px; height: 90px; border-radius: var(--radius); overflow: hidden; flex-shrink: 0; background: var(--bg); }
.ad-preview-img img { width: 100%; height: 100%; object-fit: cover; }
.ad-preview-info h4 { font-size: .95rem; font-weight: 600; margin-bottom: .3rem; }
.ad-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.ad-meta { display: flex; flex-wrap: wrap; gap: .5rem; font-size: .8rem; color: var(--text-muted); margin-top: .3rem; }
.featured-info { background: linear-gradient(90deg, #fef3c7, #fde68a); color: #92400e; font-weight: 500; }

/* ── Status Badges ── */
.status-badge { display: inline-block; padding: .2rem .65rem; border-radius: 20px; font-size: .75rem; font-weight: 600; }
.status-pending  { background: #fef3c7; color: #92400e; }
.status-approved { background: #dcfce7; color: #14532d; }
.status-rejected { background: #fee2e2; color: #7f1d1d; }
.status-expired  { background: #f1f5f9; color: #64748b; }
.status-draft    { background: #ede9fe; color: #4c1d95; }
.status-active   { background: #dcfce7; color: #14532d; }
.status-inactive { background: #f1f5f9; color: #64748b; }
.status-banned   { background: #fee2e2; color: #7f1d1d; }
.status-completed{ background: #dcfce7; color: #14532d; }
.badge-featured-lg { display: inline-block; background: var(--accent); color: #fff; padding: .3rem .9rem; border-radius: 20px; font-size: .82rem; font-weight: 600; margin-bottom: .75rem; }

/* ── Ad Detail ── */
.ad-detail-page { padding: 2rem 0; }
.ad-detail-layout { display: grid; grid-template-columns: 1fr 300px; gap: 1.5rem; margin-top: 1.25rem; }
.ad-gallery { margin-bottom: 1.5rem; }
.gallery-main img { width: 100%; border-radius: var(--radius); max-height: 420px; object-fit: cover; }
.gallery-thumbs { display: flex; gap: .5rem; margin-top: .5rem; }
.gallery-thumb { width: 80px; height: 60px; object-fit: cover; border-radius: calc(var(--radius)/2);
  cursor: pointer; border: 2px solid transparent; transition: var(--transition); }
.gallery-thumb.active, .gallery-thumb:hover { border-color: var(--primary); }
.ad-title { font-size: 1.6rem; font-weight: 700; margin-bottom: .75rem; }
.ad-description { background: var(--card); padding: 1.25rem; border-radius: var(--radius); margin-bottom: 1.25rem; box-shadow: var(--shadow); }
.ad-details-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .75rem; }
.detail-item { background: var(--card); padding: .85rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.detail-item span { display: block; font-size: .77rem; color: var(--text-muted); margin-bottom: .2rem; }
.detail-item strong { font-size: .9rem; }
.contact-card { background: var(--card); padding: 1.25rem; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 1rem; }
.contact-card h3 { margin-bottom: 1rem; font-size: 1rem; }
.seller-name { margin-bottom: .75rem; font-size: .88rem; }
.contact-btn { margin-bottom: .5rem; }
.safety-tips { background: #fffbeb; padding: 1rem; border-radius: var(--radius); border: 1px solid #fde68a; }
.safety-tips h4 { font-size: .88rem; margin-bottom: .5rem; color: #92400e; }
.safety-tips ul { padding-left: 1rem; font-size: .82rem; color: #92400e; }

/* ── Search ── */
.search-page { padding: 2rem 0; }
.search-layout { display: grid; grid-template-columns: 260px 1fr; gap: 1.5rem; }
.filter-card { background: var(--card); padding: 1.25rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.filter-card h3 { margin-bottom: 1rem; font-size: 1rem; font-weight: 600; }
.results-header h2 { font-size: 1.1rem; margin-bottom: 1rem; }
.empty-state { text-align: center; padding: 3rem; color: var(--text-muted); }
.empty-state h3 { margin: 1rem 0 .5rem; font-size: 1.2rem; }
.empty-ad-card { text-align: center; padding: 3rem; }

/* ── Image Upload ── */
.image-upload-area { border: 2px dashed var(--border); border-radius: var(--radius); padding: 2rem; text-align: center;
  cursor: pointer; transition: var(--transition); }
.image-upload-area:hover { border-color: var(--primary); background: #eff6ff; }
.upload-placeholder i { color: var(--text-muted); margin-bottom: .75rem; }
.upload-placeholder p { font-weight: 500; margin-bottom: .25rem; }
.upload-placeholder small { color: var(--text-muted); }
.image-previews { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .75rem; }
.preview-img-wrap { position: relative; }
.preview-img-wrap img { width: 90px; height: 70px; object-fit: cover; border-radius: var(--radius); }
.preview-remove { position: absolute; top: -5px; right: -5px; background: var(--danger); color: #fff;
  width: 18px; height: 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: .7rem; cursor: pointer; border: none; }
.existing-images { margin-top: 1rem; }
.image-thumbs { display: flex; flex-wrap: wrap; gap: .5rem; }
.img-thumb img { width: 80px; height: 65px; object-fit: cover; border-radius: var(--radius); }

/* ── Manage Ad ── */
.manage-ad-page { padding: 2rem 0; }
.manage-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.manage-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: .75rem; }
.manage-header h3 { font-size: 1.15rem; font-weight: 700; flex: 1; }
.manage-images { display: flex; gap: .5rem; padding: 1rem 1.5rem; }
.manage-thumb { width: 110px; height: 85px; object-fit: cover; border-radius: var(--radius); }
.manage-body { padding: 1rem 1.5rem; }
.info-list { list-style: none; margin-top: .75rem; display: flex; flex-direction: column; gap: .4rem; font-size: .9rem; }
.info-list i { width: 16px; color: var(--primary); margin-right: .3rem; }
.manage-actions { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: .5rem; }

/* ── Upgrade Page ── */
.upgrade-page { padding: 2rem 0; display: flex; align-items: center; justify-content: center; min-height: 70vh; }
.upgrade-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 2.5rem; max-width: 480px; width: 100%; text-align: center; }
.upgrade-header h2 { font-size: 1.7rem; font-weight: 700; margin: .75rem 0 .5rem; }
.upgrade-icon { font-size: 3rem; color: var(--accent); }
.upgrade-benefits { text-align: left; margin: 1.25rem 0; display: flex; flex-direction: column; gap: .5rem; }
.benefit { display: flex; align-items: center; gap: .6rem; font-size: .92rem; }
.benefit i { color: var(--success); font-size: .9rem; }
.upgrade-price { margin: 1.5rem 0; }
.upgrade-price .price { font-size: 2.5rem; font-weight: 800; color: var(--primary); }
.upgrade-price .period { font-size: .9rem; color: var(--text-muted); margin-left: .3rem; }
.upgrade-ad-info { background: var(--bg); padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1.25rem; font-size: .9rem; }

/* ── Breadcrumb ── */
.breadcrumb { font-size: .82rem; color: var(--text-muted); margin-bottom: 1rem; display: flex; align-items: center; flex-wrap: wrap; gap: .3rem; }
.breadcrumb a { color: var(--primary); }
.breadcrumb span { color: var(--text-muted); }

/* ── Pagination ── */
.pagination { display: flex; gap: .35rem; justify-content: center; margin-top: 2rem; flex-wrap: wrap; }
.page-link { padding: .4rem .8rem; border-radius: var(--radius); border: 1px solid var(--border); color: var(--text); font-size: .87rem; }
.page-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-link:hover { background: var(--bg); text-decoration: none; }

/* ── Blog ── */
.blog-page { padding: 2rem 0; }
.blog-layout { display: grid; grid-template-columns: 1fr 260px; gap: 1.5rem; }
.blog-grid { display: grid; gap: 1.5rem; }
.blog-article { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; max-width: 860px; }
.blog-hero-img { width: 100%; max-height: 400px; object-fit: cover; }
.blog-article-header { padding: 1.5rem; border-bottom: 1px solid var(--border); }
.blog-article-header h1 { font-size: 1.75rem; font-weight: 700; margin: .5rem 0; }
.blog-content { padding: 1.5rem; line-height: 1.8; }
.blog-content h2,h3,h4 { margin: 1.5rem 0 .75rem; }
.blog-content p { margin-bottom: 1rem; }
.blog-meta { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; margin-top: .5rem; font-size: .85rem; color: var(--text-muted); }
.blog-cat-badge { background: #eff6ff; color: var(--primary); padding: .2rem .65rem; border-radius: 20px; font-size: .75rem; font-weight: 600; }
.ai-badge { background: #ede9fe; color: #7c3aed; padding: .2rem .5rem; border-radius: 20px; font-size: .74rem; }
.blog-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .75rem; }
.tag { background: var(--bg); border: 1px solid var(--border); padding: .2rem .6rem; border-radius: 20px; font-size: .78rem; }
.sidebar-widget { background: var(--card); padding: 1rem; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 1rem; }
.sidebar-widget h4 { margin-bottom: .75rem; font-size: .95rem; }
.sidebar-widget ul { list-style: none; }
.sidebar-widget li { padding: .35rem 0; border-bottom: 1px solid var(--border); font-size: .88rem; }
.sidebar-widget li a { color: var(--text); }
.sidebar-widget li a:hover,.sidebar-widget li a.active { color: var(--primary); }
.read-more { font-size: .85rem; color: var(--primary); font-weight: 500; }

/* ── Error Pages ── */
.error-page { min-height: 70vh; display: flex; align-items: center; justify-content: center; }
.error-content { text-align: center; }
.error-content h1 { font-size: 5rem; font-weight: 900; color: var(--primary); line-height: 1; }
.error-content h2 { font-size: 1.5rem; margin: .5rem 0 1rem; }
.error-content p { color: var(--text-muted); margin-bottom: 1.5rem; }

/* ── Data Table ── */
.data-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.data-table th { background: var(--bg); padding: .7rem 1rem; text-align: left; font-weight: 600; font-size: .8rem;
  text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); border-bottom: 2px solid var(--border); }
.data-table td { padding: .75rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tr:hover td { background: #f8fafc; }
.actions { display: flex; gap: .3rem; flex-wrap: wrap; }

/* ── Modal ── */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 9999; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal-box { background: var(--card); border-radius: var(--radius); padding: 1.75rem; width: 100%; max-width: 500px; box-shadow: var(--shadow-lg); }
.modal-box h3 { margin-bottom: 1.25rem; font-size: 1.1rem; font-weight: 700; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .ads-grid-4 { grid-template-columns: repeat(3,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ad-detail-layout { grid-template-columns: 1fr; }
  .blog-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .ads-grid-4,.ads-grid-3 { grid-template-columns: repeat(2,1fr); }
  .blog-grid-3 { grid-template-columns: 1fr; }
  .form-grid-2,.form-grid-2 .col-2 { grid-template-columns: 1fr; grid-column: span 1; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; box-shadow: var(--shadow-md); padding: 1rem; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; }
  .mobile-menu-toggle { display: block; }
  .dashboard-layout,.search-layout { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 1.7rem; }
  .hero-search-inner { flex-direction: column; border-radius: var(--radius); padding: .75rem; }
  .hero-btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .ad-details-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .ads-grid-4,.ads-grid-3 { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(3,1fr); }
}