:root {
  --bg: #f8fafc; --card: #ffffff; --primary: #0f172a; --secondary: #334155;
  --accent: #0ea5e9; --accent-hover: #0284c7; --success: #10b981;
  --warning: #f59e0b; --danger: #ef4444; --border: #e2e8f0;
  --text: #1e293b; --muted: #64748b; --radius: 10px;
  --shadow: 0 4px 12px rgba(0,0,0,0.04); --shadow-hover: 0 6px 16px rgba(0,0,0,0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: var(--accent); transition: 0.2s; }
a:hover { color: var(--accent-hover); }
.container { max-width: 1080px; margin: 0 auto; padding: 24px; }
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; margin-bottom: 24px; border: 1px solid var(--border); transition: box-shadow 0.2s; }
.card:hover { box-shadow: var(--shadow-hover); }
h1, h2, h3 { color: var(--primary); font-weight: 600; margin-bottom: 16px; letter-spacing: -0.02em; }
.header-admin { display: flex; justify-content: space-between; align-items: center; background: var(--primary); color: white; padding: 18px 24px; border-radius: var(--radius); margin-bottom: 24px; }
.header-admin h1 { color: white; margin: 0; font-size: 1.2rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 18px; border-radius: 8px; font-weight: 500; cursor: pointer; border: none; font-size: 0.9rem; transition: all 0.2s; }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary { background: var(--secondary); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--secondary); font-size: 0.9rem; }
.form-control { width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 0.95rem; transition: 0.2s; background: #fff; }
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(14,165,233,0.12); }
.row { display: flex; gap: 18px; flex-wrap: wrap; }
.col { flex: 1; min-width: 220px; }
.table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.table th, .table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.table th { background: #f8fafc; color: var(--secondary); font-weight: 600; }
.alert { padding: 14px 16px; border-radius: 8px; margin-bottom: 18px; font-size: 0.9rem; border: 1px solid transparent; }
.alert-success { background: #f0fdf4; color: #166534; border-color: #bbf7d0; }
.alert-error { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.alert-info { background: #eff6ff; color: #1e40af; border-color: #bfdbfe; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.badge-accepted { background: #dcfce7; color: #166534; }
.hero { text-align: center; padding: 50px 20px; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); color: white; border-radius: var(--radius); margin-bottom: 28px; position: relative; overflow: hidden; }
.hero h1 { color: white; font-size: 1.9rem; margin-bottom: 10px; }
.hero p { color: #cbd5e1; font-size: 1.05rem; max-width: 600px; margin: 0 auto; }
.search-box { display: flex; gap: 10px; max-width: 620px; margin: 0 auto 24px; }
.search-box input { flex: 1; padding: 14px 16px; border-radius: 10px; border: none; font-size: 1rem; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.search-box button { padding: 14px 24px; background: var(--accent); color: white; border: none; border-radius: 10px; font-weight: 600; cursor: pointer; transition: 0.2s; }
.search-box button:hover { background: var(--accent-hover); }
.result-card { background: white; padding: 22px; border-radius: 10px; border-left: 4px solid var(--accent); box-shadow: var(--shadow); margin-bottom: 16px; transition: 0.2s; }
.result-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.result-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.info-box { background: #f8fafc; border: 1px dashed var(--border); padding: 18px; border-radius: 10px; margin-bottom: 24px; font-size: 0.9rem; color: var(--secondary); }
.info-box ul { margin: 10px 0 0 20px; }
.info-box li { margin-bottom: 6px; }
footer { text-align: center; padding: 30px 20px; color: var(--muted); font-size: 0.85rem; margin-top: 40px; border-top: 1px solid var(--border); }
@media(max-width: 768px){ 
  .row { flex-direction: column; gap: 12px; } 
  .header-admin { flex-direction: column; gap: 12px; text-align: center; } 
  .search-box { flex-direction: column; }
}