* { box-sizing: border-box; }
body { font-family: system-ui, Arial, sans-serif; margin: 0; background: #f4f6f9; color: #222; }
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: #0b1c33; }
.login-card { background: #fff; padding: 2rem; border-radius: 10px; width: 360px; box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.login-card h1 { margin: 0 0 .25rem; color: #0b1c33; font-size: 1.4rem; }
.login-card .sub { margin: 0 0 1rem; color: #666; font-size: .9rem; }
.login-card label { display: block; margin-bottom: .8rem; font-size: .9rem; }
.login-card input { width: 100%; padding: .55rem; border: 1px solid #ccc; border-radius: 6px; }
.login-card button { width: 100%; padding: .7rem; background: #0b1c33; color: #fff; border: 0; border-radius: 6px; cursor: pointer; }
.topnav { background: #0b1c33; color: #fff; display: flex; align-items: center; padding: 0 1rem; }
.topnav .brand { font-weight: 700; margin-right: 2rem; padding: .8rem 0; }
.topnav ul { list-style: none; display: flex; margin: 0; padding: 0; flex: 1; }
.topnav li { padding: .8rem 1rem; }
.topnav a { color: #fff; text-decoration: none; }
.topnav li.right { margin-left: auto; display: flex; gap: .8rem; align-items: center; }
.container { max-width: 1100px; margin: 2rem auto; padding: 0 1rem; }
.cards { display: flex; gap: 1rem; margin-bottom: 1.5rem; }
.card { flex: 1; background: #fff; border-radius: 8px; padding: 1.2rem; box-shadow: 0 2px 6px rgba(0,0,0,.06); }
.card span { font-size: 2rem; font-weight: 700; color: #0b1c33; }
.card p { margin: .3rem 0 0; color: #555; }
.tabla { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 6px rgba(0,0,0,.06); }
.tabla th, .tabla td { padding: .6rem .8rem; text-align: left; border-bottom: 1px solid #eee; font-size: .9rem; }
.tabla th { background: #eef2f7; }
.btn-sm { display: inline-block; padding: .3rem .7rem; background: #0b1c33; color: #fff; border-radius: 4px; text-decoration: none; font-size: .8rem; }
.alert { padding: .8rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.alert.ok    { background: #e3f7e8; color: #1d6b35; }
.alert.error { background: #fde8e8; color: #a02020; }
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: center; justify-content: center; }
.modal { background: #fff; padding: 1.5rem; border-radius: 10px; width: 420px; }
.modal label { display: block; margin-bottom: .7rem; font-size: .9rem; }
.modal input { width: 100%; padding: .5rem; border: 1px solid #ccc; border-radius: 6px; }
.modal-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: 1rem; }
.btn-cancel { padding: .55rem .9rem; background: #eee; border-radius: 6px; text-decoration: none; color: #333; }
.hint { color: #666; font-size: .85rem; }
.form-card { background: #fff; padding: 1.2rem; border-radius: 8px; box-shadow: 0 2px 6px rgba(0,0,0,.06); display: flex; gap: .8rem; align-items: center; }
.form-card button { padding: .6rem 1rem; background: #0b1c33; color: #fff; border: 0; border-radius: 6px; cursor: pointer; }