:root{--bg: #f7f9fb;--card: #ffffff;--muted: #6b7280;--accent: #2563eb;--text: #111}body[data-theme=dark]{--bg: #0f172a;--card: #1e293b;--muted: #94a3b8;--accent: #60a5fa;--text: #f8fafc}*{box-sizing:border-box;transition:background .3s,color .3s}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:var(--text)}.container{max-width:1000px;margin:0 auto;padding:20px}.topbar{background:var(--card);border-bottom:1px solid #e6eef7}.topbar .container{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}.logo{font-weight:700;color:var(--accent);text-decoration:none}.topbar nav a{margin-left:14px;color:var(--text);text-decoration:none}.footer{padding:20px;text-align:center;color:var(--muted);font-size:13px}.list-header{display:flex;align-items:center;justify-content:space-between;margin:18px 0}.list-header h1{margin:0}.search{display:flex;gap:10px;align-items:center}.search input{padding:8px 10px;border:1px solid #d1d5db;border-radius:8px;width:240px;background:var(--card);color:var(--text)}.btn{background:var(--accent);color:#fff;padding:8px 12px;border-radius:8px;border:none;text-decoration:none;cursor:pointer}.btn.small{padding:6px 10px;font-size:13px;margin-left:12px}.center{text-align:center;padding:24px;color:var(--muted)}.error{color:#b91c1c}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.card{background:var(--card);padding:16px;border-radius:12px;box-shadow:0 1px 3px #1018280a}.card h3{margin:0 0 6px}.muted{color:var(--muted);font-size:14px;margin:6px 0}.details{display:inline-block;margin-top:12px;color:var(--accent);text-decoration:none}.details-wrap{padding:10px}.details-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:14px}.full{grid-column:1/-1}.form-wrap{max-width:600px;background:var(--card);padding:18px;border-radius:10px}form label{display:block;margin-bottom:12px}form input{width:100%;padding:8px;border:1px solid #e6eef7;border-radius:8px;background:var(--bg);color:var(--text)}.field-error{color:#b91c1c;font-size:13px;margin-top:6px}.form-actions{margin-top:12px}@media(max-width:600px){.search input{width:140px}.topbar .container{padding:10px}}