/* /assets/style.css */
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background-color: #f4f7f6; margin: 0; padding: 0; }
.container { max-width: 800px; margin: 30px auto; padding: 25px; background: #fff; border-radius: 10px; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.login-container { max-width: 400px; margin: 100px auto; padding: 30px; background: #fff; border-radius: 10px; box-shadow: 0 4px 12px rgba(0,0,0,0.05); text-align: center; }
.container h1, .login-container h1 { color: #333; }
div.form-group { margin-bottom: 20px; }
label { display: block; margin-bottom: 8px; font-weight: 600; color: #555; text-align: left; }
input[type="text"], input[type="password"], input[type="date"], select, textarea {
    width: 100%; padding: 12px; box-sizing: border-box; border: 1px solid #ddd; border-radius: 6px; font-size: 16px;
}
textarea { min-height: 120px; }
button, .btn {
    padding: 12px 20px; background-color: #007bff; color: white; border: none; border-radius: 6px; cursor: pointer; font-size: 16px; font-weight: 600; text-decoration: none; display: inline-block;
}
.btn-secondary { background-color: #6c757d; }
.btn-danger { background-color: #dc3545; }
.header-nav { display: flex; justify-content: space-between; align-items: center; padding: 10px 20px; background-color: #fff; border-bottom: 1px solid #eee; }
.alert-danger { background-color: #f8d7da; border: 1px solid #f5c6cb; color: #721c24; padding: 10px 15px; border-radius: 6px; margin-bottom: 20px; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { padding: 12px; border: 1px solid #ddd; text-align: left; }
th { background-color: #f9f9f9; }
tr:nth-child(even) { background-color: #fdfdfd; }