:root { --pad: 16px; --radius: 16px; }
* { box-sizing: border-box; }
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; margin: 0; background: #fafafa; color: #222; }
header { display:flex; justify-content: space-between; align-items: center; padding: var(--pad); background: #B30006; color: #fff; }
header a { color: #fff; text-decoration: underline; }
.container { padding: var(--pad); max-width: 1000px; margin: 0 auto; }
.card-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--pad); padding: 0; }
.card { background: #fff; border-radius: var(--radius); padding: var(--pad); box-shadow: 0 6px 20px rgba(0,0,0,.06); }
.btn { display:inline-block; padding: 10px 14px; border-radius: 12px; border: none; background: #FF6B00; color: #fff; text-decoration: none; }
footer { padding: var(--pad); text-align: center; color: #666; }
.toolbar { display:flex; gap: 8px; margin-bottom: 12px; }
.toolbar input { flex:1; padding: 10px; border-radius: 10px; border: 1px solid #ddd; }
.alert { background: #ffe6e6; color: #900; padding: 10px; border-radius: 10px; margin-bottom: 12px; }
.grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--pad); }
table { width: 100%; border-collapse: collapse; margin-top: 8px; }
td { padding: 6px 8px; border-bottom: 1px solid #eee; }
h1, h2, h3 { margin: 0 0 8px; }
.meta { color:#555; margin-bottom: 8px; font-size: 0.9rem; }
label { display:block; margin: 8px 0; }
input[type="file"], input[type="text"], input[type="password"] { width: 100%; padding: 10px; border-radius: 10px; border: 1px solid #ddd; }