:root {
  --primary_color:   #667eea;
  --secondary_color: #764ba2;
  --accent_color:    #f39c12;
  --bg_color:        #f4f6f9;
  --text_color:      #333;
  --font_family:     Inter, system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font_family); background: var(--bg_color); color: var(--text_color); line-height: 1.6; }
a { color: var(--primary_color); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ──────────────────────────────────────────────────────────── */
.navbar { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.08); padding: 0 20px; position: sticky; top:0; z-index:100; }
.navbar-container { max-width:1200px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; height:60px; }
.navbar-brand { font-size:20px; font-weight:800; background:linear-gradient(135deg,var(--primary_color),var(--secondary_color)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.navbar-menu { list-style:none; display:flex; gap:5px; align-items:center; }
.navbar-menu a { padding:7px 14px; border-radius:6px; font-size:14px; font-weight:500; color:#555; transition:all .15s; }
.navbar-menu a:hover { background:#f0f0f0; color:#333; text-decoration:none; }
.logout-btn { background:linear-gradient(135deg,var(--primary_color),var(--secondary_color)) !important; color:#fff !important; -webkit-text-fill-color:#fff !important; }
.logout-btn:hover { opacity:.9; }

/* ── Layout ──────────────────────────────────────────────────────────── */
.container { max-width:1100px; margin:0 auto; padding:30px 20px; }
.page-header { margin-bottom:30px; }
.page-header h1 { font-size:26px; font-weight:800; color:#1a1a2e; }
.page-header p { color:#888; margin-top:5px; }

/* ── Cards ───────────────────────────────────────────────────────────── */
.card { background:#fff; border-radius:10px; padding:25px; box-shadow:0 2px 12px rgba(0,0,0,.06); margin-bottom:20px; }
.form-card { background:#fff; border-radius:10px; padding:30px; box-shadow:0 2px 12px rgba(0,0,0,.06); max-width:700px; }
.dashboard-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:20px; margin-bottom:30px; }
.stat-card { background:#fff; border-radius:10px; padding:22px; box-shadow:0 2px 12px rgba(0,0,0,.06); border-top:4px solid var(--primary_color); }
.stat-card h3 { font-size:13px; color:#999; text-transform:uppercase; letter-spacing:.5px; margin-bottom:8px; }
.stat-card .value { font-size:34px; font-weight:800; color:#1a1a2e; }

/* ── Forms ───────────────────────────────────────────────────────────── */
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:13px; font-weight:600; color:#555; margin-bottom:6px; }
.form-group input, .form-group select, .form-group textarea { width:100%; padding:11px 14px; border:1px solid #ddd; border-radius:7px; font-size:14px; font-family:inherit; transition:border-color .15s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline:none; border-color:var(--primary_color); box-shadow:0 0 0 3px rgba(102,126,234,.15); }
.form-group textarea { resize:vertical; }
.form-group small { display:block; font-size:12px; color:#999; margin-top:4px; }
.error-message { color:#d32f2f; font-size:12px; margin-top:4px; }
.info-text { font-size:12px; color:#999; margin-top:4px; }
.form-section { background:#fff; border-radius:10px; padding:25px; box-shadow:0 2px 12px rgba(0,0,0,.06); margin-bottom:20px; }
.form-section h2 { font-size:17px; font-weight:700; margin-bottom:18px; padding-bottom:12px; border-bottom:1px solid #eee; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-row.full { grid-template-columns:1fr; }
.form-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:18px; }

/* ── Buttons ─────────────────────────────────────────────────────────── */
button[type=submit], .btn-primary {
  display:inline-block; background:linear-gradient(135deg,var(--primary_color),var(--secondary_color));
  color:#fff; padding:12px 28px; border:none; border-radius:7px;
  font-size:15px; font-weight:700; cursor:pointer; font-family:inherit;
  transition:opacity .15s; text-decoration:none;
}
button[type=submit]:hover, .btn-primary:hover { opacity:.9; text-decoration:none; }

/* ── Alerts ──────────────────────────────────────────────────────────── */
.alert-box   { background:#f8d7da; border:1px solid #f5c6cb; color:#721c24; padding:12px 18px; border-radius:8px; margin-bottom:18px; }
.success-box { background:#d4edda; border:1px solid #c3e6cb; color:#155724; padding:12px 18px; border-radius:8px; margin-bottom:18px; }
.info-box    { background:#cce5ff; border:1px solid #b8daff; color:#004085; padding:12px 18px; border-radius:8px; margin-bottom:18px; }

/* ── Tables ──────────────────────────────────────────────────────────── */
table { width:100%; border-collapse:collapse; }
thead th { background:#f8f9fa; padding:10px 14px; font-size:12px; font-weight:700; color:#888; text-transform:uppercase; letter-spacing:.5px; text-align:left; border-bottom:2px solid #eee; }
td { padding:12px 14px; border-bottom:1px solid #f0f0f0; font-size:14px; color:#555; vertical-align:middle; }
tr:last-child td { border-bottom:none; }

/* ── Login / Register pages ──────────────────────────────────────────── */
.login-container, .register-container, .verify-container {
  max-width:440px; margin:60px auto; background:#fff;
  border-radius:12px; padding:40px; box-shadow:0 4px 30px rgba(0,0,0,.1);
}
.login-container h1, .register-container h1, .verify-container h1 { font-size:26px; font-weight:800; margin-bottom:25px; color:#1a1a2e; }
.login-links { display:flex; justify-content:space-between; margin-top:18px; font-size:13px; }
.checkbox-group { display:flex; align-items:center; gap:8px; margin-bottom:18px; font-size:14px; }
.checkbox-group input { width:auto; }

/* ── Ads grid (My Ads page) ──────────────────────────────────────────── */
.ads-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:20px; }
.ad-card { background:#fff; border-radius:10px; padding:22px; box-shadow:0 2px 12px rgba(0,0,0,.06); }
.ad-type-badge { display:inline-block; background:var(--primary_color); color:#fff; font-size:11px; font-weight:700; padding:2px 8px; border-radius:3px; letter-spacing:.5px; }

/* ── Admin: stat cards ───────────────────────────────────────────────── */
.admin-stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:18px; margin-bottom:25px; }
.admin-stat { background:#fff; border-radius:10px; padding:20px; box-shadow:0 2px 12px rgba(0,0,0,.06); border-top:4px solid #ddd; }
.admin-stat.success { border-top-color:#27ae60; }
.admin-stat.warning { border-top-color:#f39c12; }
.admin-stat.danger  { border-top-color:#d32f2f; }
.admin-stat h3 { font-size:12px; color:#999; text-transform:uppercase; letter-spacing:.5px; margin-bottom:8px; }
.admin-stat .val { font-size:30px; font-weight:800; color:#1a1a2e; }

/* ── Admin: card ─────────────────────────────────────────────────────── */
.admin-card { background:#fff; border-radius:10px; padding:22px; box-shadow:0 2px 12px rgba(0,0,0,.06); margin-bottom:20px; }
.admin-card h2 { font-size:16px; font-weight:700; margin-bottom:15px; }

/* ── Admin: small action buttons ─────────────────────────────────────── */
.btn-sm { display:inline-block; padding:5px 12px; border-radius:5px; font-size:12px; font-weight:600; cursor:pointer; border:none; text-decoration:none; font-family:inherit; }
.btn-view    { background:#667eea; color:#fff; }
.btn-approve { background:#27ae60; color:#fff; }
.btn-suspend { background:#f39c12; color:#fff; }
.btn-delete  { background:#d32f2f; color:#fff; }
.btn-sm:hover { opacity:.85; text-decoration:none; }

/* ── Badges ──────────────────────────────────────────────────────────── */
.badge { display:inline-block; padding:3px 9px; border-radius:12px; font-size:11px; font-weight:700; letter-spacing:.3px; }
.badge-free       { background:#bdc3c7; color:#555; }
.badge-silver     { background:#95a5a6; color:#fff; }
.badge-gold       { background:#f39c12; color:#fff; }
.badge-platinum   { background:#9b59b6; color:#fff; }
.badge-active     { background:#27ae60; color:#fff; }
.badge-unverified { background:#f39c12; color:#fff; }
.badge-suspended  { background:#d32f2f; color:#fff; }
.badge-pending    { background:#f39c12; color:#fff; }
.badge-approved   { background:#27ae60; color:#fff; }
.badge-rejected   { background:#d32f2f; color:#fff; }

/* ── Pagination ──────────────────────────────────────────────────────── */
.pagination { display:flex; gap:6px; flex-wrap:wrap; }
.pagination a { display:inline-block; padding:6px 12px; border-radius:5px; background:#fff; border:1px solid #ddd; font-size:13px; color:#555; text-decoration:none; }
.pagination a.current { background:var(--primary_color); color:#fff; border-color:var(--primary_color); }
.pagination a:hover { border-color:var(--primary_color); color:var(--primary_color); text-decoration:none; }

/* ── Text ad preview ─────────────────────────────────────────────────── */
.text-ad-preview { background:#f8f8ff; border:1px solid #e0e4ff; border-radius:8px; padding:15px; }
.text-ad-preview .ad-title { font-size:16px; color:#1a1a2e; display:block; margin-bottom:5px; }
.text-ad-preview .ad-desc  { font-size:13px; color:#555; margin-bottom:8px; }
.text-ad-preview .ad-link  { font-size:12px; color:var(--primary_color); }

/* ── Footer ──────────────────────────────────────────────────────────── */
.footer { background:#1a1a2e; color:rgba(255,255,255,.5); text-align:center; padding:20px; font-size:13px; }
.footer a { color:rgba(255,255,255,.6); }